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Foster L B Co – ‘10-Q’ for 3/31/18 – ‘EX-101.LAB’

On:  Wednesday, 5/2/18, at 3:15pm ET   ·   For:  3/31/18   ·   Accession #:  352825-18-15   ·   File #:  0-10436

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  As Of               Filer                 Filing    For·On·As Docs:Size

 5/02/18  Foster L B Co                     10-Q        3/31/18   89:6.5M

Quarterly Report   —   Form 10-Q   —   Sect. 13 / 15(d) – SEA’34
Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 10-Q        Quarterly Report                                    HTML    487K 
 2: EX-10.3     Material Contract                                   HTML     69K 
 3: EX-10.4     Material Contract                                   HTML     50K 
 4: EX-10.5     Material Contract                                   HTML     72K 
 5: EX-10.6     Material Contract                                   HTML     26K 
 6: EX-10.7     Material Contract                                   HTML     58K 
 7: EX-10.8     Material Contract                                   HTML    145K 
 8: EX-31.1     Certification -- §302 - SOA'02                      HTML     32K 
 9: EX-31.2     Certification -- §302 - SOA'02                      HTML     32K 
10: EX-32.0     Certification -- §906 - SOA'02                      HTML     29K 
17: R1          Document and Entity Information                     HTML     44K 
18: R2          Condensed Consolidated Balance Sheets               HTML    109K 
19: R3          Condensed Consolidated Balance Sheets               HTML     35K 
                (Parenthetical)                                                  
20: R4          Condensed Consolidated Statements of Operations     HTML     78K 
21: R5          Condensed Consolidated Statements of Comprehensive  HTML     45K 
                Loss                                                             
22: R6          Condensed Consolidated Statements of Comprehensive  HTML     29K 
                Loss (Parenthetical)                                             
23: R7          Condensed Consolidated Statements of Cash Flows     HTML    110K 
24: R8          Financial Statements                                HTML     41K 
25: R9          Business Segments                                   HTML     74K 
26: R10         Revenue                                             HTML     92K 
27: R11         Goodwill and Other Intangible Assets                HTML    103K 
28: R12         Accounts Receivable                                 HTML     31K 
29: R13         Inventories                                         HTML     40K 
30: R14         Property, Plant and Equipment                       HTML     43K 
31: R15         Investments                                         HTML     47K 
32: R16         Long-Term Debt                                      HTML     53K 
33: R17         Fair Value Measurements                             HTML     60K 
34: R18         Earnings Per Common Share                           HTML     49K 
35: R19         Stock-Based Compensation                            HTML     53K 
36: R20         Retirement Plans                                    HTML     62K 
37: R21         Commitments and Contingent Liabilities              HTML     69K 
38: R22         Income Taxes                                        HTML     33K 
39: R23         Subsequent Events                                   HTML     26K 
40: R24         Financial Statements (Policies)                     HTML     53K 
41: R25         Business Segments (Tables)                          HTML     76K 
42: R26         Revenue (Tables)                                    HTML     73K 
43: R27         Goodwill and Other Intangible Assets (Tables)       HTML    105K 
44: R28         Inventories (Tables)                                HTML     41K 
45: R29         Property, Plant and Equipment (Tables)              HTML     41K 
46: R30         Investments (Tables)                                HTML     45K 
47: R31         Long-Term (Tables)                                  HTML     39K 
48: R32         Fair Value Measurements (Tables)                    HTML     53K 
49: R33         Earnings Per Common Share (Tables)                  HTML     48K 
50: R34         Stock-Based Compensation (Tables)                   HTML     46K 
51: R35         Retirement Plans (Tables)                           HTML     64K 
52: R36         Commitments and Contingent Liabilities (Tables)     HTML     38K 
53: R37         Financial Statements (Narratives) (Details)         HTML     28K 
54: R38         Business Segments (Reconciliation of Revenue from   HTML     37K 
                Segments to Consolidated) (Details)                              
55: R39         Business Segments (Reconciliation of Operating      HTML     52K 
                Profit (Loss) from Segments to Consolidated)                     
                (Details)                                                        
56: R40         Business Segments (Reconciliation of Assets from    HTML     36K 
                Segment to Consolidated) (Detail)                                
57: R41         Business Segments - Narratives (Details)            HTML     25K 
58: R42         Revenue (Narratives) (Details)                      HTML     64K 
59: R43         Revenue (Details)                                   HTML     47K 
60: R44         Revenue (Timing of Transfer) (Details)              HTML     44K 
61: R45         Goodwill and Other Intangible Assets (Narrative)    HTML     31K 
                (Details)                                                        
62: R46         Goodwill and Other Intangible Assets (Schedule of   HTML     36K 
                Goodwill) (Details)                                              
63: R47         Goodwill and Other Intangible Assets (Schedule of   HTML     29K 
                Gross Other Intangible Assets) (Details)                         
64: R48         Goodwill and Other Intangible Assets (Schedule of   HTML     54K 
                Intangible Assets) (Details)                                     
65: R49         Goodwill and Other Intangible Assets (Schedule of   HTML     40K 
                Expected Amortization Expense) (Details)                         
66: R50         Accounts Receivable (Details)                       HTML     30K 
67: R51         Inventories (Schedule of Inventory) (Details)       HTML     40K 
68: R52         Property, Plant and Equipment (Details)             HTML     50K 
69: R53         Investments (Narrative) (Details)                   HTML     69K 
70: R54         Investments (Schedule of Variable Interest          HTML     34K 
                Entities) (Details)                                              
71: R55         Investments (Schedule of Direct Financing Future    HTML     30K 
                Minimum Lease Payments for Capital Leases)                       
                (Details)                                                        
72: R56         Long-Term Debt (Schedule of Long-term Debt          HTML     38K 
                Instruments) (Details)                                           
73: R57         Long-Term (Narrative - United States) (Details)     HTML     81K 
74: R58         Long-Term Debt (Narrative - United Kingdom)         HTML     42K 
                (Details)                                                        
75: R59         Fair Value Measurements (Narrative) (Details)       HTML     31K 
76: R60         Fair Value Measurements (Schedule of Fair Value,    HTML     41K 
                Assets and Liabilities Measured on Recurring                     
                Basis) (Details)                                                 
77: R61         Earning Per Common Share (Schedule of Earnings Per  HTML     57K 
                Share, Basic and Diluted) (Details)                              
78: R62         Stock-Based Compensation (Narrative) (Details)      HTML     41K 
79: R63         Stock-Based Compensation (Restricted Stock and      HTML     62K 
                Performance Unit Awards) (Details)                               
80: R64         Retirement Plans (Narrative) (Details)              HTML     43K 
81: R65         Retirement Plans (Schedule Of Net Benefit Costs)    HTML     41K 
                (Details)                                                        
82: R66         Retirement Plans (Schedule of Costs of Retirement   HTML     33K 
                Plans) (Details)                                                 
83: R67         Commitments and Contingent Liabilities (Narrative)  HTML     67K 
                (Details)                                                        
84: R68         Commitments and Contingent Liabilities (Schedule    HTML     30K 
                of Product Warranty Liability) (Details)                         
85: R69         Commitments and Contingent Liabilities              HTML     31K 
                (Environmental Loss Contingencies) (Details)                     
86: R70         Income Taxes (Narrative) (Details)                  HTML     37K 
88: XML         IDEA XML File -- Filing Summary                      XML    156K 
87: EXCEL       IDEA Workbook of Financial Reports                  XLSX     85K 
11: EX-101.INS  XBRL Instance -- fstr-20180331                       XML   1.68M 
13: EX-101.CAL  XBRL Calculations -- fstr-20180331_cal               XML    221K 
14: EX-101.DEF  XBRL Definitions -- fstr-20180331_def                XML    552K 
15: EX-101.LAB  XBRL Labels -- fstr-20180331_lab                     XML   1.36M 
16: EX-101.PRE  XBRL Presentations -- fstr-20180331_pre              XML    868K 
12: EX-101.SCH  XBRL Schema -- fstr-20180331                         XSD    157K 
89: ZIP         XBRL Zipped Folder -- 0000352825-18-000015-xbrl      Zip    193K

‘EX-101.LAB’   —   XBRL Labels — fstr-20180331_lab

This Exhibit is an XBRL XML File.

                                                                                                                                                                                
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<link:label id="lab_fstr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdjustmentForIncentiveAwardsExpectedToVest_A9856AE820002DC4281AFE6F74344BC9_verboseLabel_en-US" xlink:label="lab_fstr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdjustmentForIncentiveAwardsExpectedToVest_A9856AE820002DC4281AFE6F74344BC9" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Adjustment for incentive awards expected to vest (shares) </link:label>
<link:label id="lab_fstr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdjustmentForIncentiveAwardsExpectedToVest_A9856AE820002DC4281AFE6F74344BC9_label_en-US" xlink:label="lab_fstr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdjustmentForIncentiveAwardsExpectedToVest_A9856AE820002DC4281AFE6F74344BC9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Adjustment for Incentive Awards Expected to Vest </link:label>
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<link:loc xlink:href="fstr-20180331.xsd#fstr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdjustmentForIncentiveAwardsExpectedToVest" xlink:label="loc_fstr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdjustmentForIncentiveAwardsExpectedToVest_A9856AE820002DC4281AFE6F74344BC9" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_AB8A2A5CE654FBF467C4FE6F7434FD82_negatedLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_AB8A2A5CE654FBF467C4FE6F7434FD82" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Canceled and forfeited (shares) </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_AB8A2A5CE654FBF467C4FE6F7434FD82_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_AB8A2A5CE654FBF467C4FE6F7434FD82" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period </link:label>
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<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_0A8F322CC147740783CFFE6F7434494C_periodEndLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_0A8F322CC147740783CFFE6F7434494C" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US"> Nonvested Shares, Outstanding, Ending Balance (shares) </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_0A8F322CC147740783CFFE6F7434494C" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_DF838DB9ACE0B7DBFB38FE6F7434D41E_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_DF838DB9ACE0B7DBFB38FE6F7434D41E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_DF838DB9ACE0B7DBFB38FE6F7434D41E_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_DF838DB9ACE0B7DBFB38FE6F7434D41E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] </link:label>
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<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_A17A82DAA54AFE7ED4C7FE6F74343655_periodStartLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_A17A82DAA54AFE7ED4C7FE6F74343655" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US"> Weighted average share price, beginning balance (usd per share) </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_A17A82DAA54AFE7ED4C7FE6F74343655_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_A17A82DAA54AFE7ED4C7FE6F74343655" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value </link:label>
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<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_9AF1E18F53D5B5A18812FE6F7434C04C_verboseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_9AF1E18F53D5B5A18812FE6F7434C04C" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Weighted average shares granted (usd per share) </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_9AF1E18F53D5B5A18812FE6F7434C04C_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_9AF1E18F53D5B5A18812FE6F7434C04C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value </link:label>
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<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_B785D410486FB4D5AB79FE6F743415BC_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_B785D410486FB4D5AB79FE6F743415BC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Weighted average shares vested (usd per share) </link:label>
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<link:label id="lab_fstr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdjustmentForIncentiveAwardsExpectedToVestWeightedAverageGrantDateFairValue_8D274B38D6C5D366CFC6FE6F7434FAAF_terseLabel_en-US" xlink:label="lab_fstr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdjustmentForIncentiveAwardsExpectedToVestWeightedAverageGrantDateFairValue_8D274B38D6C5D366CFC6FE6F7434FAAF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Weighted average shares adjustment for incentive awards expected to vest (usd per share) </link:label>
<link:label id="lab_fstr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdjustmentForIncentiveAwardsExpectedToVestWeightedAverageGrantDateFairValue_8D274B38D6C5D366CFC6FE6F7434FAAF_label_en-US" xlink:label="lab_fstr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdjustmentForIncentiveAwardsExpectedToVestWeightedAverageGrantDateFairValue_8D274B38D6C5D366CFC6FE6F7434FAAF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-Based Compensation Arrangement by Share-based Payment Award, Equity Instruments other than Options, Adjustment for Incentive Awards Expected to Vest, Weighted Average Grant Date Fair Value </link:label>
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<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_CB05B4ED2DA2AAE037BCFE6F74340D62_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_CB05B4ED2DA2AAE037BCFE6F74340D62" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Weighted average shares canceled and forfeited (usd per share) </link:label>
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<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_6EABDFC3354EA22A9924FE6F74341AB7_periodEndLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_6EABDFC3354EA22A9924FE6F74341AB7" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US"> Weighted average share price, ending balance (usd per share) </link:label>
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<link:label id="lab_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_4F09D22A8275D7FF5E64CEE3098002CE_label_en-US" xlink:label="lab_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_4F09D22A8275D7FF5E64CEE3098002CE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Goodwill and Intangible Assets Disclosure [Abstract] </link:label>
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<link:label id="lab_us-gaap_RangeAxis_E773A7446A2B59A5F561CEE309804FD7_terseLabel_en-US" xlink:label="lab_us-gaap_RangeAxis_E773A7446A2B59A5F561CEE309804FD7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Range [Axis] </link:label>
<link:label id="lab_us-gaap_RangeAxis_E773A7446A2B59A5F561CEE309804FD7_label_en-US" xlink:label="lab_us-gaap_RangeAxis_E773A7446A2B59A5F561CEE309804FD7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Range [Axis] </link:label>
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<link:label id="lab_us-gaap_RangeMember_1931035D13B10362B5D3CEE309802402_terseLabel_en-US" xlink:label="lab_us-gaap_RangeMember_1931035D13B10362B5D3CEE309802402" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Range [Domain] </link:label>
<link:label id="lab_us-gaap_RangeMember_1931035D13B10362B5D3CEE309802402_label_en-US" xlink:label="lab_us-gaap_RangeMember_1931035D13B10362B5D3CEE309802402" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Range [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_1931035D13B10362B5D3CEE309802402" xlink:type="locator"/>
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<link:label id="lab_us-gaap_MinimumMember_F1C4830DFC569B9503E8CEE309808878_terseLabel_en-US" xlink:label="lab_us-gaap_MinimumMember_F1C4830DFC569B9503E8CEE309808878" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Minimum </link:label>
<link:label id="lab_us-gaap_MinimumMember_F1C4830DFC569B9503E8CEE309808878_label_en-US" xlink:label="lab_us-gaap_MinimumMember_F1C4830DFC569B9503E8CEE309808878" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Minimum [Member] </link:label>
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<link:label id="lab_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_30BBE18C71FEAC88615B17CCB8B73313_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_30BBE18C71FEAC88615B17CCB8B73313" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Segment Reporting Information, by Segment [Table] </link:label>
<link:label id="lab_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_30BBE18C71FEAC88615B17CCB8B73313_label_en-US" xlink:label="lab_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_30BBE18C71FEAC88615B17CCB8B73313" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Segment Reporting Information, by Segment [Table] </link:label>
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<link:label id="lab_us-gaap_ConsolidationItemsAxis_104A7C844E9E8180B1B017CCB8B84D60_terseLabel_en-US" xlink:label="lab_us-gaap_ConsolidationItemsAxis_104A7C844E9E8180B1B017CCB8B84D60" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Consolidation Items [Axis] </link:label>
<link:label id="lab_us-gaap_ConsolidationItemsAxis_104A7C844E9E8180B1B017CCB8B84D60_label_en-US" xlink:label="lab_us-gaap_ConsolidationItemsAxis_104A7C844E9E8180B1B017CCB8B84D60" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Consolidation Items [Axis] </link:label>
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<link:label id="lab_us-gaap_ConsolidationItemsDomain_09F13E7CA8C0697774EA17CCB8B8CF5A_terseLabel_en-US" xlink:label="lab_us-gaap_ConsolidationItemsDomain_09F13E7CA8C0697774EA17CCB8B8CF5A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Consolidation Items [Domain] </link:label>
<link:label id="lab_us-gaap_ConsolidationItemsDomain_09F13E7CA8C0697774EA17CCB8B8CF5A_label_en-US" xlink:label="lab_us-gaap_ConsolidationItemsDomain_09F13E7CA8C0697774EA17CCB8B8CF5A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Consolidation Items [Domain] </link:label>
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<link:label id="lab_us-gaap_OperatingSegmentsMember_A3C11D678EF4D0C9A2A517CCB8B8283F_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingSegmentsMember_A3C11D678EF4D0C9A2A517CCB8B8283F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Operating Segments </link:label>
<link:label id="lab_us-gaap_OperatingSegmentsMember_A3C11D678EF4D0C9A2A517CCB8B8283F_label_en-US" xlink:label="lab_us-gaap_OperatingSegmentsMember_A3C11D678EF4D0C9A2A517CCB8B8283F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Segments [Member] </link:label>
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<link:label id="lab_us-gaap_MaterialReconcilingItemsMember_9492E5EC00AF538DD0CF17CDBB28D681_terseLabel_en-US" xlink:label="lab_us-gaap_MaterialReconcilingItemsMember_9492E5EC00AF538DD0CF17CDBB28D681" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Segment Reconciling Items </link:label>
<link:label id="lab_us-gaap_MaterialReconcilingItemsMember_9492E5EC00AF538DD0CF17CDBB28D681_label_en-US" xlink:label="lab_us-gaap_MaterialReconcilingItemsMember_9492E5EC00AF538DD0CF17CDBB28D681" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Segment Reconciling Items [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MaterialReconcilingItemsMember" xlink:label="loc_us-gaap_MaterialReconcilingItemsMember_9492E5EC00AF538DD0CF17CDBB28D681" xlink:type="locator"/>
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<link:label id="lab_us-gaap_CorporateNonSegmentMember_DCD307247B4AF1383A3017CCB8B90623_terseLabel_en-US" xlink:label="lab_us-gaap_CorporateNonSegmentMember_DCD307247B4AF1383A3017CCB8B90623" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Unallocated corporate assets </link:label>
<link:label id="lab_us-gaap_CorporateNonSegmentMember_DCD307247B4AF1383A3017CCB8B90623_label_en-US" xlink:label="lab_us-gaap_CorporateNonSegmentMember_DCD307247B4AF1383A3017CCB8B90623" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Corporate, Non-Segment [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CorporateNonSegmentMember" xlink:label="loc_us-gaap_CorporateNonSegmentMember_DCD307247B4AF1383A3017CCB8B90623" xlink:type="locator"/>
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<link:label id="lab_us-gaap_SegmentReportingInformationLineItems_E6C1ADA39129DB23F47A17CCB8B9B510_terseLabel_en-US" xlink:label="lab_us-gaap_SegmentReportingInformationLineItems_E6C1ADA39129DB23F47A17CCB8B9B510" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Segment Reporting Information </link:label>
<link:label id="lab_us-gaap_SegmentReportingInformationLineItems_E6C1ADA39129DB23F47A17CCB8B9B510_label_en-US" xlink:label="lab_us-gaap_SegmentReportingInformationLineItems_E6C1ADA39129DB23F47A17CCB8B9B510" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Segment Reporting Information [Line Items] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SegmentReportingInformationLineItems" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_E6C1ADA39129DB23F47A17CCB8B9B510" xlink:type="locator"/>
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<link:label id="lab_us-gaap_OperatingIncomeLoss_90DBDAD5999AB2D542EC17CCB8BE49B0_verboseLabel_en-US" xlink:label="lab_us-gaap_OperatingIncomeLoss_90DBDAD5999AB2D542EC17CCB8BE49B0" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Profit for reportable segments </link:label>
<link:label id="lab_us-gaap_OperatingIncomeLoss_90DBDAD5999AB2D542EC17CCB8BE49B0_label_en-US" xlink:label="lab_us-gaap_OperatingIncomeLoss_90DBDAD5999AB2D542EC17CCB8BE49B0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Income (Loss) </link:label>
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<link:label id="lab_us-gaap_InterestExpense_61CFE0AD97423546942417CCB8C1D14B_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_InterestExpense_61CFE0AD97423546942417CCB8C1D14B" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Interest expense </link:label>
<link:label id="lab_us-gaap_InterestExpense_61CFE0AD97423546942417CCB8C1D14B_label_en-US" xlink:label="lab_us-gaap_InterestExpense_61CFE0AD97423546942417CCB8C1D14B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Interest Expense </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InterestExpense" xlink:label="loc_us-gaap_InterestExpense_61CFE0AD97423546942417CCB8C1D14B" xlink:type="locator"/>
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<link:label id="lab_us-gaap_InvestmentIncomeInterest_D78C4AA2286A2AA0ABFE17CCB8C1C013_verboseLabel_en-US" xlink:label="lab_us-gaap_InvestmentIncomeInterest_D78C4AA2286A2AA0ABFE17CCB8C1C013" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Interest income </link:label>
<link:label id="lab_us-gaap_InvestmentIncomeInterest_D78C4AA2286A2AA0ABFE17CCB8C1C013_label_en-US" xlink:label="lab_us-gaap_InvestmentIncomeInterest_D78C4AA2286A2AA0ABFE17CCB8C1C013" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Investment Income, Interest </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InvestmentIncomeInterest" xlink:label="loc_us-gaap_InvestmentIncomeInterest_D78C4AA2286A2AA0ABFE17CCB8C1C013" xlink:type="locator"/>
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<link:label id="lab_us-gaap_OtherNonoperatingIncomeExpense_CF43E33ED15A268AA75417CCB8C19180_verboseLabel_en-US" xlink:label="lab_us-gaap_OtherNonoperatingIncomeExpense_CF43E33ED15A268AA75417CCB8C19180" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Other income (expense) </link:label>
<link:label id="lab_us-gaap_OtherNonoperatingIncomeExpense_CF43E33ED15A268AA75417CCB8C19180_label_en-US" xlink:label="lab_us-gaap_OtherNonoperatingIncomeExpense_CF43E33ED15A268AA75417CCB8C19180" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Nonoperating Income (Expense) </link:label>
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<link:label id="lab_us-gaap_InventoryLIFOReservePeriodCharge_FA9275E65AF7A94BEA9117CCB8C1000A_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_InventoryLIFOReservePeriodCharge_FA9275E65AF7A94BEA9117CCB8C1000A" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> LIFO (expense) income </link:label>
<link:label id="lab_us-gaap_InventoryLIFOReservePeriodCharge_FA9275E65AF7A94BEA9117CCB8C1000A_label_en-US" xlink:label="lab_us-gaap_InventoryLIFOReservePeriodCharge_FA9275E65AF7A94BEA9117CCB8C1000A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Inventory, LIFO Reserve, Period Charge </link:label>
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<link:label id="lab_us-gaap_IncomeLossFromEquityMethodInvestments_604C333E8AAAE973255417CCB8C168C1_verboseLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromEquityMethodInvestments_604C333E8AAAE973255417CCB8C168C1" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Equity in loss of nonconsolidated investments </link:label>
<link:label id="lab_us-gaap_IncomeLossFromEquityMethodInvestments_604C333E8AAAE973255417CCB8C168C1_label_en-US" xlink:label="lab_us-gaap_IncomeLossFromEquityMethodInvestments_604C333E8AAAE973255417CCB8C168C1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income (Loss) from Equity Method Investments </link:label>
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<link:label id="lab_fstr_CorporateExpenseAndOtherUnallocatedCharges_C08D5C6F5970506A36A117CCB8C11C51_negatedTerseLabel_en-US" xlink:label="lab_fstr_CorporateExpenseAndOtherUnallocatedCharges_C08D5C6F5970506A36A117CCB8C11C51" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Unallocated corporate expense and other unallocated charges </link:label>
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<link:label id="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_F2E405E5D7B2FC6E0EA017CCB8C1E425_totalLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_F2E405E5D7B2FC6E0EA017CCB8C1E425" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Loss before income taxes </link:label>
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<link:label id="lab_invest_InvestmentContractCounterpartyAxis_DB5993D537DB1665885A16AC55105D4C_terseLabel_en-US" xlink:label="lab_invest_InvestmentContractCounterpartyAxis_DB5993D537DB1665885A16AC55105D4C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Investment Contract Counterparty [Axis] </link:label>
<link:label id="lab_invest_InvestmentContractCounterpartyAxis_DB5993D537DB1665885A16AC55105D4C_label_en-US" xlink:label="lab_invest_InvestmentContractCounterpartyAxis_DB5993D537DB1665885A16AC55105D4C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Investment Contract Counterparty [Axis] </link:label>
<link:loc xlink:href="http://xbrl.sec.gov/invest/2013/invest-2013-01-31.xsd#invest_InvestmentContractCounterpartyAxis" xlink:label="loc_invest_InvestmentContractCounterpartyAxis_DB5993D537DB1665885A16AC55105D4C" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_invest_InvestmentContractCounterpartyAxis_DB5993D537DB1665885A16AC55105D4C" xlink:to="lab_invest_InvestmentContractCounterpartyAxis_DB5993D537DB1665885A16AC55105D4C" xlink:type="arc"/>
<link:label id="lab_invest_InvestmentContractCounterpartyDomain_A63EB11A17B14791332E16AC5510B63C_terseLabel_en-US" xlink:label="lab_invest_InvestmentContractCounterpartyDomain_A63EB11A17B14791332E16AC5510B63C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Investment Contract Counterparty [Domain] </link:label>
<link:label id="lab_invest_InvestmentContractCounterpartyDomain_A63EB11A17B14791332E16AC5510B63C_label_en-US" xlink:label="lab_invest_InvestmentContractCounterpartyDomain_A63EB11A17B14791332E16AC5510B63C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Investment Contract Counterparty [Domain] </link:label>
<link:loc xlink:href="http://xbrl.sec.gov/invest/2013/invest-2013-01-31.xsd#invest_InvestmentContractCounterpartyDomain" xlink:label="loc_invest_InvestmentContractCounterpartyDomain_A63EB11A17B14791332E16AC5510B63C" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_invest_InvestmentContractCounterpartyDomain_A63EB11A17B14791332E16AC5510B63C" xlink:to="lab_invest_InvestmentContractCounterpartyDomain_A63EB11A17B14791332E16AC5510B63C" xlink:type="arc"/>
<link:label id="lab_fstr_ThirdPartyMember_70BFF551A911A38E2B2C16AC55101F46_terseLabel_en-US" xlink:label="lab_fstr_ThirdPartyMember_70BFF551A911A38E2B2C16AC55101F46" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Third Party </link:label>
<link:label id="lab_fstr_ThirdPartyMember_70BFF551A911A38E2B2C16AC55101F46_label_en-US" xlink:label="lab_fstr_ThirdPartyMember_70BFF551A911A38E2B2C16AC55101F46" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Third Party [Member] </link:label>
<link:label id="lab_fstr_ThirdPartyMember_70BFF551A911A38E2B2C16AC55101F46_documentation_en-US" xlink:label="lab_fstr_ThirdPartyMember_70BFF551A911A38E2B2C16AC55101F46" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Third Party [Member] </link:label>
<link:loc xlink:href="fstr-20180331.xsd#fstr_ThirdPartyMember" xlink:label="loc_fstr_ThirdPartyMember_70BFF551A911A38E2B2C16AC55101F46" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fstr_ThirdPartyMember_70BFF551A911A38E2B2C16AC55101F46" xlink:to="lab_fstr_ThirdPartyMember_70BFF551A911A38E2B2C16AC55101F46" xlink:type="arc"/>
<link:label id="lab_us-gaap_StatementScenarioAxis_73C55EC263038D69FD8316AC5511F74E_terseLabel_en-US" xlink:label="lab_us-gaap_StatementScenarioAxis_73C55EC263038D69FD8316AC5511F74E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Scenario [Axis] </link:label>
<link:label id="lab_us-gaap_StatementScenarioAxis_73C55EC263038D69FD8316AC5511F74E_label_en-US" xlink:label="lab_us-gaap_StatementScenarioAxis_73C55EC263038D69FD8316AC5511F74E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Scenario [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="loc_us-gaap_StatementScenarioAxis_73C55EC263038D69FD8316AC5511F74E" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementScenarioAxis_73C55EC263038D69FD8316AC5511F74E" xlink:to="lab_us-gaap_StatementScenarioAxis_73C55EC263038D69FD8316AC5511F74E" xlink:type="arc"/>
<link:label id="lab_us-gaap_ScenarioUnspecifiedDomain_FB52ABD09486784DAF1216AC5511C63C_terseLabel_en-US" xlink:label="lab_us-gaap_ScenarioUnspecifiedDomain_FB52ABD09486784DAF1216AC5511C63C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Scenario, Unspecified [Domain] </link:label>
<link:label id="lab_us-gaap_ScenarioUnspecifiedDomain_FB52ABD09486784DAF1216AC5511C63C_label_en-US" xlink:label="lab_us-gaap_ScenarioUnspecifiedDomain_FB52ABD09486784DAF1216AC5511C63C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Scenario, Unspecified [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_FB52ABD09486784DAF1216AC5511C63C" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScenarioUnspecifiedDomain_FB52ABD09486784DAF1216AC5511C63C" xlink:to="lab_us-gaap_ScenarioUnspecifiedDomain_FB52ABD09486784DAF1216AC5511C63C" xlink:type="arc"/>
<link:label id="lab_us-gaap_ScenarioAdjustmentMember_7BF3904A580FCE30B2F016AC55114DDD_terseLabel_en-US" xlink:label="lab_us-gaap_ScenarioAdjustmentMember_7BF3904A580FCE30B2F016AC55114DDD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Reclassified </link:label>
<link:label id="lab_us-gaap_ScenarioAdjustmentMember_7BF3904A580FCE30B2F016AC55114DDD_label_en-US" xlink:label="lab_us-gaap_ScenarioAdjustmentMember_7BF3904A580FCE30B2F016AC55114DDD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Scenario, Adjustment [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScenarioAdjustmentMember" xlink:label="loc_us-gaap_ScenarioAdjustmentMember_7BF3904A580FCE30B2F016AC55114DDD" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScenarioAdjustmentMember_7BF3904A580FCE30B2F016AC55114DDD" xlink:to="lab_us-gaap_ScenarioAdjustmentMember_7BF3904A580FCE30B2F016AC55114DDD" xlink:type="arc"/>
<link:label id="lab_dei_LegalEntityAxis_FB442AAC2C6009716B1E16AC55114546_terseLabel_en-US" xlink:label="lab_dei_LegalEntityAxis_FB442AAC2C6009716B1E16AC55114546" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Legal Entity [Axis] </link:label>
<link:label id="lab_dei_LegalEntityAxis_FB442AAC2C6009716B1E16AC55114546_label_en-US" xlink:label="lab_dei_LegalEntityAxis_FB442AAC2C6009716B1E16AC55114546" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Legal Entity [Axis] </link:label>
<link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_dei_LegalEntityAxis_FB442AAC2C6009716B1E16AC55114546" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_LegalEntityAxis_FB442AAC2C6009716B1E16AC55114546" xlink:to="lab_dei_LegalEntityAxis_FB442AAC2C6009716B1E16AC55114546" xlink:type="arc"/>
<link:label id="lab_dei_EntityDomain_69311D83E6C4152528A016AC5511F021_terseLabel_en-US" xlink:label="lab_dei_EntityDomain_69311D83E6C4152528A016AC5511F021" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Entity [Domain] </link:label>
<link:label id="lab_dei_EntityDomain_69311D83E6C4152528A016AC5511F021_label_en-US" xlink:label="lab_dei_EntityDomain_69311D83E6C4152528A016AC5511F021" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity [Domain] </link:label>
<link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_69311D83E6C4152528A016AC5511F021" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityDomain_69311D83E6C4152528A016AC5511F021" xlink:to="lab_dei_EntityDomain_69311D83E6C4152528A016AC5511F021" xlink:type="arc"/>
<link:label id="lab_fstr_OtherJointVentureMemberMember_68A9D989569683C1ADB516AC55115CF1_terseLabel_en-US" xlink:label="lab_fstr_OtherJointVentureMemberMember_68A9D989569683C1ADB516AC55115CF1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other Joint Venture Member </link:label>
<link:label id="lab_fstr_OtherJointVentureMemberMember_68A9D989569683C1ADB516AC55115CF1_label_en-US" xlink:label="lab_fstr_OtherJointVentureMemberMember_68A9D989569683C1ADB516AC55115CF1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Joint Venture Member [Member] </link:label>
<link:label id="lab_fstr_OtherJointVentureMemberMember_68A9D989569683C1ADB516AC55115CF1_documentation_en-US" xlink:label="lab_fstr_OtherJointVentureMemberMember_68A9D989569683C1ADB516AC55115CF1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Other Joint Venture Member [Member] </link:label>
<link:loc xlink:href="fstr-20180331.xsd#fstr_OtherJointVentureMemberMember" xlink:label="loc_fstr_OtherJointVentureMemberMember_68A9D989569683C1ADB516AC55115CF1" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fstr_OtherJointVentureMemberMember_68A9D989569683C1ADB516AC55115CF1" xlink:to="lab_fstr_OtherJointVentureMemberMember_68A9D989569683C1ADB516AC55115CF1" xlink:type="arc"/>
<link:label id="lab_us-gaap_PropertyPlantAndEquipmentByTypeAxis_97E8EE20A0DC7CD94D8216AC55114F3B_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentByTypeAxis_97E8EE20A0DC7CD94D8216AC55114F3B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Property, Plant and Equipment, Type [Axis] </link:label>
<link:label id="lab_us-gaap_PropertyPlantAndEquipmentByTypeAxis_97E8EE20A0DC7CD94D8216AC55114F3B_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentByTypeAxis_97E8EE20A0DC7CD94D8216AC55114F3B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Property, Plant and Equipment, Type [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_97E8EE20A0DC7CD94D8216AC55114F3B" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_97E8EE20A0DC7CD94D8216AC55114F3B" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentByTypeAxis_97E8EE20A0DC7CD94D8216AC55114F3B" xlink:type="arc"/>
<link:label id="lab_us-gaap_PropertyPlantAndEquipmentTypeDomain_F7EF0B8EDC9967FF99D316AC55119443_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentTypeDomain_F7EF0B8EDC9967FF99D316AC55119443" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Property, Plant and Equipment, Type [Domain] </link:label>
<link:label id="lab_us-gaap_PropertyPlantAndEquipmentTypeDomain_F7EF0B8EDC9967FF99D316AC55119443_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentTypeDomain_F7EF0B8EDC9967FF99D316AC55119443" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Property, Plant and Equipment, Type [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_F7EF0B8EDC9967FF99D316AC55119443" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_F7EF0B8EDC9967FF99D316AC55119443" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentTypeDomain_F7EF0B8EDC9967FF99D316AC55119443" xlink:type="arc"/>
<link:label id="lab_fstr_CapitalLeasedLandMember_AB15B923A6D3BCBE840116AC5511A8C8_terseLabel_en-US" xlink:label="lab_fstr_CapitalLeasedLandMember_AB15B923A6D3BCBE840116AC5511A8C8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Capital Leased Land </link:label>
<link:label id="lab_fstr_CapitalLeasedLandMember_AB15B923A6D3BCBE840116AC5511A8C8_label_en-US" xlink:label="lab_fstr_CapitalLeasedLandMember_AB15B923A6D3BCBE840116AC5511A8C8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Capital Leased Land [Member] </link:label>
<link:label id="lab_fstr_CapitalLeasedLandMember_AB15B923A6D3BCBE840116AC5511A8C8_documentation_en-US" xlink:label="lab_fstr_CapitalLeasedLandMember_AB15B923A6D3BCBE840116AC5511A8C8" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Capital Leased Land </link:label>
<link:loc xlink:href="fstr-20180331.xsd#fstr_CapitalLeasedLandMember" xlink:label="loc_fstr_CapitalLeasedLandMember_AB15B923A6D3BCBE840116AC5511A8C8" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fstr_CapitalLeasedLandMember_AB15B923A6D3BCBE840116AC5511A8C8" xlink:to="lab_fstr_CapitalLeasedLandMember_AB15B923A6D3BCBE840116AC5511A8C8" xlink:type="arc"/>
<link:label id="lab_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_65F92421F2BABCD1EEEF16AC55115E2E_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_65F92421F2BABCD1EEEF16AC55115E2E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Equity Method Investments </link:label>
<link:label id="lab_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_65F92421F2BABCD1EEEF16AC55115E2E_label_en-US" xlink:label="lab_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_65F92421F2BABCD1EEEF16AC55115E2E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Equity Method Investments [Line Items] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentsLineItems" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_65F92421F2BABCD1EEEF16AC55115E2E" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_65F92421F2BABCD1EEEF16AC55115E2E" xlink:to="lab_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_65F92421F2BABCD1EEEF16AC55115E2E" xlink:type="arc"/>
<link:label id="lab_us-gaap_EquityMethodInvestmentOwnershipPercentage_B27D22D80BCFCE056D6116AC55114722_terseLabel_en-US" xlink:label="lab_us-gaap_EquityMethodInvestmentOwnershipPercentage_B27D22D80BCFCE056D6116AC55114722" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Equity method investment, ownership percentage </link:label>
<link:label id="lab_us-gaap_EquityMethodInvestmentOwnershipPercentage_B27D22D80BCFCE056D6116AC55114722_label_en-US" xlink:label="lab_us-gaap_EquityMethodInvestmentOwnershipPercentage_B27D22D80BCFCE056D6116AC55114722" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Equity Method Investment, Ownership Percentage </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EquityMethodInvestmentOwnershipPercentage" xlink:label="loc_us-gaap_EquityMethodInvestmentOwnershipPercentage_B27D22D80BCFCE056D6116AC55114722" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EquityMethodInvestmentOwnershipPercentage_B27D22D80BCFCE056D6116AC55114722" xlink:to="lab_us-gaap_EquityMethodInvestmentOwnershipPercentage_B27D22D80BCFCE056D6116AC55114722" xlink:type="arc"/>
<link:label id="lab_us-gaap_EquityMethodInvestments_9A96ADA347293A4D3DA916AC5511219F_verboseLabel_en-US" xlink:label="lab_us-gaap_EquityMethodInvestments_9A96ADA347293A4D3DA916AC5511219F" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Equity investments </link:label>
<link:label id="lab_us-gaap_EquityMethodInvestments_9A96ADA347293A4D3DA916AC5511219F_label_en-US" xlink:label="lab_us-gaap_EquityMethodInvestments_9A96ADA347293A4D3DA916AC5511219F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Equity Method Investments </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EquityMethodInvestments" xlink:label="loc_us-gaap_EquityMethodInvestments_9A96ADA347293A4D3DA916AC5511219F" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EquityMethodInvestments_9A96ADA347293A4D3DA916AC5511219F" xlink:to="lab_us-gaap_EquityMethodInvestments_9A96ADA347293A4D3DA916AC5511219F" xlink:type="arc"/>
<link:label id="lab_us-gaap_AssetsHeldForSaleNotPartOfDisposalGroupCurrent_D76AFA06D3466B3681EC16AC55117669_terseLabel_en-US" xlink:label="lab_us-gaap_AssetsHeldForSaleNotPartOfDisposalGroupCurrent_D76AFA06D3466B3681EC16AC55117669" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Assets held for sale </link:label>
<link:label id="lab_us-gaap_AssetsHeldForSaleNotPartOfDisposalGroupCurrent_D76AFA06D3466B3681EC16AC55117669_label_en-US" xlink:label="lab_us-gaap_AssetsHeldForSaleNotPartOfDisposalGroupCurrent_D76AFA06D3466B3681EC16AC55117669" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Assets Held-for-sale, Not Part of Disposal Group, Current </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AssetsHeldForSaleNotPartOfDisposalGroupCurrent" xlink:label="loc_us-gaap_AssetsHeldForSaleNotPartOfDisposalGroupCurrent_D76AFA06D3466B3681EC16AC55117669" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AssetsHeldForSaleNotPartOfDisposalGroupCurrent_D76AFA06D3466B3681EC16AC55117669" xlink:to="lab_us-gaap_AssetsHeldForSaleNotPartOfDisposalGroupCurrent_D76AFA06D3466B3681EC16AC55117669" xlink:type="arc"/>
<link:label id="lab_us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf_DCC8409F27EE8B46B8A016AC5511B033_terseLabel_en-US" xlink:label="lab_us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf_DCC8409F27EE8B46B8A016AC5511B033" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other than temporary impairment of equity method investment </link:label>
<link:label id="lab_us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf_DCC8409F27EE8B46B8A016AC5511B033_label_en-US" xlink:label="lab_us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf_DCC8409F27EE8B46B8A016AC5511B033" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Impairment of Long-Lived Assets to be Disposed of </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf" xlink:label="loc_us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf_DCC8409F27EE8B46B8A016AC5511B033" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf_DCC8409F27EE8B46B8A016AC5511B033" xlink:to="lab_us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf_DCC8409F27EE8B46B8A016AC5511B033" xlink:type="arc"/>
<link:label id="lab_us-gaap_IncomeLossFromEquityMethodInvestments_76BCDDC913E81845D64316AC5511579A_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromEquityMethodInvestments_76BCDDC913E81845D64316AC5511579A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Equity in income (loss) of nonconsolidated investments </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestments" xlink:label="loc_us-gaap_IncomeLossFromEquityMethodInvestments_76BCDDC913E81845D64316AC5511579A" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeLossFromEquityMethodInvestments_76BCDDC913E81845D64316AC5511579A" xlink:to="lab_us-gaap_IncomeLossFromEquityMethodInvestments_76BCDDC913E81845D64316AC5511579A" xlink:type="arc"/>
<link:label id="lab_fstr_LineOfCreditMaximumLendingCapacity_5A7BA1CD8F2D1DAD32B016AC55110DA1_terseLabel_en-US" xlink:label="lab_fstr_LineOfCreditMaximumLendingCapacity_5A7BA1CD8F2D1DAD32B016AC55110DA1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Line of credit, maximum lending capacity </link:label>
<link:label id="lab_fstr_LineOfCreditMaximumLendingCapacity_5A7BA1CD8F2D1DAD32B016AC55110DA1_label_en-US" xlink:label="lab_fstr_LineOfCreditMaximumLendingCapacity_5A7BA1CD8F2D1DAD32B016AC55110DA1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Line of credit, maximum lending capacity </link:label>
<link:label id="lab_fstr_LineOfCreditMaximumLendingCapacity_5A7BA1CD8F2D1DAD32B016AC55110DA1_documentation_en-US" xlink:label="lab_fstr_LineOfCreditMaximumLendingCapacity_5A7BA1CD8F2D1DAD32B016AC55110DA1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Maximum lending capacity under the credit facility without consideration of any current restrictions on the amount that could be lended or the amounts currently outstanding under the facility. </link:label>
<link:loc xlink:href="fstr-20180331.xsd#fstr_LineOfCreditMaximumLendingCapacity" xlink:label="loc_fstr_LineOfCreditMaximumLendingCapacity_5A7BA1CD8F2D1DAD32B016AC55110DA1" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fstr_LineOfCreditMaximumLendingCapacity_5A7BA1CD8F2D1DAD32B016AC55110DA1" xlink:to="lab_fstr_LineOfCreditMaximumLendingCapacity_5A7BA1CD8F2D1DAD32B016AC55110DA1" xlink:type="arc"/>
<link:label id="lab_us-gaap_DueFromJointVenturesCurrent_6527A347D2610C6934AC16AC55114C84_terseLabel_en-US" xlink:label="lab_us-gaap_DueFromJointVenturesCurrent_6527A347D2610C6934AC16AC55114C84" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Due from joint ventures, current </link:label>
<link:label id="lab_us-gaap_DueFromJointVenturesCurrent_6527A347D2610C6934AC16AC55114C84_label_en-US" xlink:label="lab_us-gaap_DueFromJointVenturesCurrent_6527A347D2610C6934AC16AC55114C84" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Due from Joint Ventures, Current </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DueFromJointVenturesCurrent" xlink:label="loc_us-gaap_DueFromJointVenturesCurrent_6527A347D2610C6934AC16AC55114C84" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DueFromJointVenturesCurrent_6527A347D2610C6934AC16AC55114C84" xlink:to="lab_us-gaap_DueFromJointVenturesCurrent_6527A347D2610C6934AC16AC55114C84" xlink:type="arc"/>
<link:label id="lab_us-gaap_AreaOfLand_8F611F5F39EFEF69088916AC551229AD_terseLabel_en-US" xlink:label="lab_us-gaap_AreaOfLand_8F611F5F39EFEF69088916AC551229AD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Area of land (in acres) </link:label>
<link:label id="lab_us-gaap_AreaOfLand_8F611F5F39EFEF69088916AC551229AD_label_en-US" xlink:label="lab_us-gaap_AreaOfLand_8F611F5F39EFEF69088916AC551229AD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Area of Land </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AreaOfLand" xlink:label="loc_us-gaap_AreaOfLand_8F611F5F39EFEF69088916AC551229AD" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AreaOfLand_8F611F5F39EFEF69088916AC551229AD" xlink:to="lab_us-gaap_AreaOfLand_8F611F5F39EFEF69088916AC551229AD" xlink:type="arc"/>
<link:label id="lab_us-gaap_CapitalLeasedAssetsNumberOfUnits_A0F79597C67D15B9434016AC55121265_terseLabel_en-US" xlink:label="lab_us-gaap_CapitalLeasedAssetsNumberOfUnits_A0F79597C67D15B9434016AC55121265" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Capital leased assets, number of units </link:label>
<link:label id="lab_us-gaap_CapitalLeasedAssetsNumberOfUnits_A0F79597C67D15B9434016AC55121265_label_en-US" xlink:label="lab_us-gaap_CapitalLeasedAssetsNumberOfUnits_A0F79597C67D15B9434016AC55121265" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Capital Leased Assets, Number of Units </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CapitalLeasedAssetsNumberOfUnits" xlink:label="loc_us-gaap_CapitalLeasedAssetsNumberOfUnits_A0F79597C67D15B9434016AC55121265" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CapitalLeasedAssetsNumberOfUnits_A0F79597C67D15B9434016AC55121265" xlink:to="lab_us-gaap_CapitalLeasedAssetsNumberOfUnits_A0F79597C67D15B9434016AC55121265" xlink:type="arc"/>
<link:label id="lab_fstr_CapitalLeaseLengthOfRenewalTerm_FDBEE338793938D64C7D16AC55129933_terseLabel_en-US" xlink:label="lab_fstr_CapitalLeaseLengthOfRenewalTerm_FDBEE338793938D64C7D16AC55129933" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Capital lease length of renewal term </link:label>
<link:label id="lab_fstr_CapitalLeaseLengthOfRenewalTerm_FDBEE338793938D64C7D16AC55129933_label_en-US" xlink:label="lab_fstr_CapitalLeaseLengthOfRenewalTerm_FDBEE338793938D64C7D16AC55129933" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Capital Lease Length Of Renewal Term </link:label>
<link:label id="lab_fstr_CapitalLeaseLengthOfRenewalTerm_FDBEE338793938D64C7D16AC55129933_documentation_en-US" xlink:label="lab_fstr_CapitalLeaseLengthOfRenewalTerm_FDBEE338793938D64C7D16AC55129933" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Length of a capital lease renewal period. </link:label>
<link:loc xlink:href="fstr-20180331.xsd#fstr_CapitalLeaseLengthOfRenewalTerm" xlink:label="loc_fstr_CapitalLeaseLengthOfRenewalTerm_FDBEE338793938D64C7D16AC55129933" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fstr_CapitalLeaseLengthOfRenewalTerm_FDBEE338793938D64C7D16AC55129933" xlink:to="lab_fstr_CapitalLeaseLengthOfRenewalTerm_FDBEE338793938D64C7D16AC55129933" xlink:type="arc"/>
<link:label id="lab_fstr_CapitalLeasesMonthlyRent_596E6E564CFDC2C41DFC16AC5512861C_terseLabel_en-US" xlink:label="lab_fstr_CapitalLeasesMonthlyRent_596E6E564CFDC2C41DFC16AC5512861C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Capital Leases, monthly rent </link:label>
<link:label id="lab_fstr_CapitalLeasesMonthlyRent_596E6E564CFDC2C41DFC16AC5512861C_label_en-US" xlink:label="lab_fstr_CapitalLeasesMonthlyRent_596E6E564CFDC2C41DFC16AC5512861C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Capital Leases, Monthly Rent </link:label>
<link:label id="lab_fstr_CapitalLeasesMonthlyRent_596E6E564CFDC2C41DFC16AC5512861C_documentation_en-US" xlink:label="lab_fstr_CapitalLeasesMonthlyRent_596E6E564CFDC2C41DFC16AC5512861C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Amount of current monthly capital lease payments. </link:label>
<link:loc xlink:href="fstr-20180331.xsd#fstr_CapitalLeasesMonthlyRent" xlink:label="loc_fstr_CapitalLeasesMonthlyRent_596E6E564CFDC2C41DFC16AC5512861C" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fstr_CapitalLeasesMonthlyRent_596E6E564CFDC2C41DFC16AC5512861C" xlink:to="lab_fstr_CapitalLeasesMonthlyRent_596E6E564CFDC2C41DFC16AC5512861C" xlink:type="arc"/>
<link:label id="lab_fstr_CapitalLeasesBalloonPaymentInDirectFinancingLeases_6C4F2EA215746095288A16AC551212C2_terseLabel_en-US" xlink:label="lab_fstr_CapitalLeasesBalloonPaymentInDirectFinancingLeases_6C4F2EA215746095288A16AC551212C2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Capital leases balloon payment in direct financing leases </link:label>
<link:label id="lab_fstr_CapitalLeasesBalloonPaymentInDirectFinancingLeases_6C4F2EA215746095288A16AC551212C2_label_en-US" xlink:label="lab_fstr_CapitalLeasesBalloonPaymentInDirectFinancingLeases_6C4F2EA215746095288A16AC551212C2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Capital Leases Balloon Payment In Direct Financing Leases </link:label>
<link:label id="lab_fstr_CapitalLeasesBalloonPaymentInDirectFinancingLeases_6C4F2EA215746095288A16AC551212C2_documentation_en-US" xlink:label="lab_fstr_CapitalLeasesBalloonPaymentInDirectFinancingLeases_6C4F2EA215746095288A16AC551212C2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Balloon payment related to a capital lease that is required to be paid either at the termination of the lease or during the initial term of the lease. </link:label>
<link:loc xlink:href="fstr-20180331.xsd#fstr_CapitalLeasesBalloonPaymentInDirectFinancingLeases" xlink:label="loc_fstr_CapitalLeasesBalloonPaymentInDirectFinancingLeases_6C4F2EA215746095288A16AC551212C2" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fstr_CapitalLeasesBalloonPaymentInDirectFinancingLeases_6C4F2EA215746095288A16AC551212C2" xlink:to="lab_fstr_CapitalLeasesBalloonPaymentInDirectFinancingLeases_6C4F2EA215746095288A16AC551212C2" xlink:type="arc"/>
<link:label id="lab_us-gaap_StatementBusinessSegmentsAxis_5DD8922E85496815169AB788CC36C56A_terseLabel_en-US" xlink:label="lab_us-gaap_StatementBusinessSegmentsAxis_5DD8922E85496815169AB788CC36C56A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Segments [Axis] </link:label>
<link:label id="lab_us-gaap_StatementBusinessSegmentsAxis_5DD8922E85496815169AB788CC36C56A_label_en-US" xlink:label="lab_us-gaap_StatementBusinessSegmentsAxis_5DD8922E85496815169AB788CC36C56A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Segments [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_5DD8922E85496815169AB788CC36C56A" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_5DD8922E85496815169AB788CC36C56A" xlink:to="lab_us-gaap_StatementBusinessSegmentsAxis_5DD8922E85496815169AB788CC36C56A" xlink:type="arc"/>
<link:label id="lab_us-gaap_SegmentDomain_2839767C3A4AE44399FCB788CC360CB7_terseLabel_en-US" xlink:label="lab_us-gaap_SegmentDomain_2839767C3A4AE44399FCB788CC360CB7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Segments [Domain] </link:label>
<link:label id="lab_us-gaap_SegmentDomain_2839767C3A4AE44399FCB788CC360CB7_label_en-US" xlink:label="lab_us-gaap_SegmentDomain_2839767C3A4AE44399FCB788CC360CB7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Segments [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_2839767C3A4AE44399FCB788CC360CB7" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SegmentDomain_2839767C3A4AE44399FCB788CC360CB7" xlink:to="lab_us-gaap_SegmentDomain_2839767C3A4AE44399FCB788CC360CB7" xlink:type="arc"/>
<link:label id="lab_fstr_RailProductsSegmentMember_40FDA099191B47132968B788CC367179_terseLabel_en-US" xlink:label="lab_fstr_RailProductsSegmentMember_40FDA099191B47132968B788CC367179" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Rail Products and Services </link:label>
<link:label id="lab_fstr_RailProductsSegmentMember_40FDA099191B47132968B788CC367179_label_en-US" xlink:label="lab_fstr_RailProductsSegmentMember_40FDA099191B47132968B788CC367179" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Rail Products Segment [Member] </link:label>
<link:label id="lab_fstr_RailProductsSegmentMember_40FDA099191B47132968B788CC367179_documentation_en-US" xlink:label="lab_fstr_RailProductsSegmentMember_40FDA099191B47132968B788CC367179" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Rail Products Segment [Member] </link:label>
<link:loc xlink:href="fstr-20180331.xsd#fstr_RailProductsSegmentMember" xlink:label="loc_fstr_RailProductsSegmentMember_40FDA099191B47132968B788CC367179" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fstr_RailProductsSegmentMember_40FDA099191B47132968B788CC367179" xlink:to="lab_fstr_RailProductsSegmentMember_40FDA099191B47132968B788CC367179" xlink:type="arc"/>
<link:label id="lab_fstr_ConstructionProductsSegmentMember_B4EABC0299FB348FB066B788CC369523_terseLabel_en-US" xlink:label="lab_fstr_ConstructionProductsSegmentMember_B4EABC0299FB348FB066B788CC369523" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Construction Products </link:label>
<link:label id="lab_fstr_ConstructionProductsSegmentMember_B4EABC0299FB348FB066B788CC369523_label_en-US" xlink:label="lab_fstr_ConstructionProductsSegmentMember_B4EABC0299FB348FB066B788CC369523" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Construction Products Segment [Member] </link:label>
<link:label id="lab_fstr_ConstructionProductsSegmentMember_B4EABC0299FB348FB066B788CC369523_documentation_en-US" xlink:label="lab_fstr_ConstructionProductsSegmentMember_B4EABC0299FB348FB066B788CC369523" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Construction Products Segment [Member] </link:label>
<link:loc xlink:href="fstr-20180331.xsd#fstr_ConstructionProductsSegmentMember" xlink:label="loc_fstr_ConstructionProductsSegmentMember_B4EABC0299FB348FB066B788CC369523" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fstr_ConstructionProductsSegmentMember_B4EABC0299FB348FB066B788CC369523" xlink:to="lab_fstr_ConstructionProductsSegmentMember_B4EABC0299FB348FB066B788CC369523" xlink:type="arc"/>
<link:label id="lab_fstr_TubularProductsSegmentsMember_9431DF99D80F300B3DCDB788CC369113_terseLabel_en-US" xlink:label="lab_fstr_TubularProductsSegmentsMember_9431DF99D80F300B3DCDB788CC369113" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Tubular and Energy Services </link:label>
<link:label id="lab_fstr_TubularProductsSegmentsMember_9431DF99D80F300B3DCDB788CC369113_label_en-US" xlink:label="lab_fstr_TubularProductsSegmentsMember_9431DF99D80F300B3DCDB788CC369113" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Tubular Products Segments [Member] </link:label>
<link:label id="lab_fstr_TubularProductsSegmentsMember_9431DF99D80F300B3DCDB788CC369113_documentation_en-US" xlink:label="lab_fstr_TubularProductsSegmentsMember_9431DF99D80F300B3DCDB788CC369113" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Tubular Products Segments </link:label>
<link:loc xlink:href="fstr-20180331.xsd#fstr_TubularProductsSegmentsMember" xlink:label="loc_fstr_TubularProductsSegmentsMember_9431DF99D80F300B3DCDB788CC369113" xlink:type="locator"/>
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<link:label id="lab_us-gaap_SegmentReportingInformationLineItems_495F8BE3F81691059B48B788CC36C241_verboseLabel_en-US" xlink:label="lab_us-gaap_SegmentReportingInformationLineItems_495F8BE3F81691059B48B788CC36C241" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Segment Reporting Information </link:label>
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<link:label id="lab_us-gaap_Assets_CA396B7ADEBDB854C7DAB788CC3690CD_terseLabel_en-US" xlink:label="lab_us-gaap_Assets_CA396B7ADEBDB854C7DAB788CC3690CD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Assets </link:label>
<link:label id="lab_us-gaap_Assets_CA396B7ADEBDB854C7DAB788CC3690CD_label_en-US" xlink:label="lab_us-gaap_Assets_CA396B7ADEBDB854C7DAB788CC3690CD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Assets </link:label>
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<link:label id="lab_us-gaap_ScheduleOfVariableInterestEntitiesTextBlock_505F32413BB74C82F8927AE3477AB1AF_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfVariableInterestEntitiesTextBlock_46219E79786D562AB6530A4168C3EF82" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Variable Interest Entities </link:label>
<link:label id="lab_us-gaap_ScheduleOfVariableInterestEntitiesTextBlock_505F32413BB74C82F8927AE3477AB1AF_label_en-US" xlink:label="lab_us-gaap_ScheduleOfVariableInterestEntitiesTextBlock_46219E79786D562AB6530A4168C3EF82" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Variable Interest Entities [Table Text Block] </link:label>
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<link:label id="lab_us-gaap_ScheduleOfFutureMinimumLeasePaymentsForCapitalLeasesTableTextBlock_EFDB5115FB4C6BA3D7397AE3477A3218_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfFutureMinimumLeasePaymentsForCapitalLeasesTableTextBlock_180BD74A553B5208BD0B5CCB1EB1D9A7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Direct Financing Future Minimum Lease Payments for Capital Leases </link:label>
<link:label id="lab_us-gaap_ScheduleOfFutureMinimumLeasePaymentsForCapitalLeasesTableTextBlock_EFDB5115FB4C6BA3D7397AE3477A3218_label_en-US" xlink:label="lab_us-gaap_ScheduleOfFutureMinimumLeasePaymentsForCapitalLeasesTableTextBlock_180BD74A553B5208BD0B5CCB1EB1D9A7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Future Minimum Lease Payments for Capital Leases [Table Text Block] </link:label>
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<link:label id="lab_us-gaap_QuarterlyFinancialDataAbstract_D4E167796685100FA62298A6A57D7826_label_en-US" xlink:label="lab_us-gaap_QuarterlyFinancialDataAbstract_45676648300B594681A7D90A52507650" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Quarterly Financial Data [Abstract] </link:label>
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<link:label id="lab_us-gaap_BasisOfAccountingPolicyPolicyTextBlock_5E650A8BCCDF439053E698A6A57D5AA8_terseLabel_en-US" xlink:label="lab_us-gaap_BasisOfAccountingPolicyPolicyTextBlock_4DCC3F65EA1C52638D2F557BEDDA55AA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Basis of presentation </link:label>
<link:label id="lab_us-gaap_BasisOfAccountingPolicyPolicyTextBlock_5E650A8BCCDF439053E698A6A57D5AA8_label_en-US" xlink:label="lab_us-gaap_BasisOfAccountingPolicyPolicyTextBlock_4DCC3F65EA1C52638D2F557BEDDA55AA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Basis of Accounting, Policy [Policy Text Block] </link:label>
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<link:label id="lab_us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock_F750C2CB3B7E2CEA28DF98A6A57D2DDF_terseLabel_en-US" xlink:label="lab_us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock_354BF37BB31A58749ED771C7C0C23B5E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Assets held for sale </link:label>
<link:label id="lab_us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock_F750C2CB3B7E2CEA28DF98A6A57D2DDF_label_en-US" xlink:label="lab_us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock_354BF37BB31A58749ED771C7C0C23B5E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock" xlink:label="loc_us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock_354BF37BB31A58749ED771C7C0C23B5E" xlink:type="locator"/>
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<link:label id="lab_us-gaap_DescriptionOfNewAccountingPronouncementsNotYetAdopted_8E706D0D8C2FD70413B098A6A57DB01B_terseLabel_en-US" xlink:label="lab_us-gaap_DescriptionOfNewAccountingPronouncementsNotYetAdopted_38C11BD151C9554A97140FCD33FC69F9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Recently issued accounting standards </link:label>
<link:label id="lab_us-gaap_DescriptionOfNewAccountingPronouncementsNotYetAdopted_8E706D0D8C2FD70413B098A6A57DB01B_label_en-US" xlink:label="lab_us-gaap_DescriptionOfNewAccountingPronouncementsNotYetAdopted_38C11BD151C9554A97140FCD33FC69F9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Description of New Accounting Pronouncements Not yet Adopted [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DescriptionOfNewAccountingPronouncementsNotYetAdopted" xlink:label="loc_us-gaap_DescriptionOfNewAccountingPronouncementsNotYetAdopted_38C11BD151C9554A97140FCD33FC69F9" xlink:type="locator"/>
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<link:label id="lab_us-gaap_InventoryPolicyTextBlock_6C51569D62EC013CC36D98A6A57D8465_terseLabel_en-US" xlink:label="lab_us-gaap_InventoryPolicyTextBlock_FB1A3C8C10B1587E8E48982D6C2CA4D1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Inventory </link:label>
<link:label id="lab_us-gaap_InventoryPolicyTextBlock_6C51569D62EC013CC36D98A6A57D8465_label_en-US" xlink:label="lab_us-gaap_InventoryPolicyTextBlock_FB1A3C8C10B1587E8E48982D6C2CA4D1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Inventory, Policy [Policy Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InventoryPolicyTextBlock" xlink:label="loc_us-gaap_InventoryPolicyTextBlock_FB1A3C8C10B1587E8E48982D6C2CA4D1" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy_0F560B605E8340873E3498A6A57DF363_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy_9F3CA9E8B568536EB34608B89C000D7B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Share based compensation </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy_0F560B605E8340873E3498A6A57DF363_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy_9F3CA9E8B568536EB34608B89C000D7B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation, Option and Incentive Plans Policy [Policy Text Block] </link:label>
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<link:label id="lab_us-gaap_InventoryDisclosureAbstract_280368DA23285567A8697AE347888D56_label_en-US" xlink:label="lab_us-gaap_InventoryDisclosureAbstract_CC3D276061B2576FB9139FE20CC32D8B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Inventory Disclosure [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InventoryDisclosureAbstract" xlink:label="loc_us-gaap_InventoryDisclosureAbstract_CC3D276061B2576FB9139FE20CC32D8B" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ScheduleOfInventoryCurrentTableTextBlock_0F7280EE05F4DF7B48987AE3478892AA_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfInventoryCurrentTableTextBlock_5B8D52512B4D54D282CC72BD95425E65" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Inventory </link:label>
<link:label id="lab_us-gaap_ScheduleOfInventoryCurrentTableTextBlock_0F7280EE05F4DF7B48987AE3478892AA_label_en-US" xlink:label="lab_us-gaap_ScheduleOfInventoryCurrentTableTextBlock_5B8D52512B4D54D282CC72BD95425E65" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Inventory, Current [Table Text Block] </link:label>
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<link:label id="lab_us-gaap_EmployeeRelatedLiabilitiesCurrentAndNoncurrentAbstract_4124A2EC714D2130AF3F7AE3473BFA90_label_en-US" xlink:label="lab_us-gaap_EmployeeRelatedLiabilitiesCurrentAndNoncurrentAbstract_149F6754095D5B8D886F925DDC6AF3E4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Employee-related Liabilities [Abstract] </link:label>
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<link:label id="lab_us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_6E5A3C85E89B801132A67AE3473B9539_terseLabel_en-US" xlink:label="lab_us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_5AA638B69DD65E7BA180186E23C7C23B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Retirement Plans </link:label>
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<link:label id="lab_us-gaap_EarningsPerShareAbstract_DE3AC1761BB7FB377DFEDEBE48A75B93_label_en-US" xlink:label="lab_us-gaap_EarningsPerShareAbstract_DE3AC1761BB7FB377DFEDEBE48A75B93" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Earnings Per Share [Abstract] </link:label>
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<link:label id="lab_us-gaap_NetIncomeLossAbstract_46C6531ACA0F170995DFDEBE48A7904C_terseLabel_en-US" xlink:label="lab_us-gaap_NetIncomeLossAbstract_46C6531ACA0F170995DFDEBE48A7904C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Numerator for basic and diluted loss per common share: </link:label>
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<link:label id="lab_us-gaap_WeightedAverageNumberOfSharesIssuedBasic_8E3A88E72A6911A291C9DEBE48A8C941_terseLabel_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesIssuedBasic_8E3A88E72A6911A291C9DEBE48A8C941" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Weighted average shares outstanding (shares) </link:label>
<link:label id="lab_us-gaap_WeightedAverageNumberOfSharesIssuedBasic_8E3A88E72A6911A291C9DEBE48A8C941_label_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesIssuedBasic_8E3A88E72A6911A291C9DEBE48A8C941" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Weighted Average Number of Shares Issued, Basic </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesIssuedBasic" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesIssuedBasic_8E3A88E72A6911A291C9DEBE48A8C941" xlink:type="locator"/>
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<link:label id="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_2A6BC4C57F5D893BC8D4DEBE48A8385A_totalLabel_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_2A6BC4C57F5D893BC8D4DEBE48A8385A" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Denominator for basic earnings per common share (shares) </link:label>
<link:label id="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_2A6BC4C57F5D893BC8D4DEBE48A8385A_label_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_2A6BC4C57F5D893BC8D4DEBE48A8385A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Weighted Average Number of Shares Outstanding, Basic </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_2A6BC4C57F5D893BC8D4DEBE48A8385A" xlink:type="locator"/>
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<link:label id="lab_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustmentAbstract_64EBAD6F712921C46DF2DEBE48A8581F_terseLabel_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustmentAbstract_64EBAD6F712921C46DF2DEBE48A8581F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Effect of dilutive securities: </link:label>
<link:label id="lab_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustmentAbstract_64EBAD6F712921C46DF2DEBE48A8581F_label_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustmentAbstract_64EBAD6F712921C46DF2DEBE48A8581F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Incremental Weighted Average Shares Attributable to Dilutive Effect [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustmentAbstract" xlink:label="loc_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustmentAbstract_64EBAD6F712921C46DF2DEBE48A8581F" xlink:type="locator"/>
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<link:label id="lab_us-gaap_IncrementalCommonSharesAttributableToNonvestedSharesWithForfeitableDividends_B990CB04ADD66BADCF84DEBE48A81F5F_terseLabel_en-US" xlink:label="lab_us-gaap_IncrementalCommonSharesAttributableToNonvestedSharesWithForfeitableDividends_B990CB04ADD66BADCF84DEBE48A81F5F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other stock compensation plans (shares) </link:label>
<link:label id="lab_us-gaap_IncrementalCommonSharesAttributableToNonvestedSharesWithForfeitableDividends_B990CB04ADD66BADCF84DEBE48A81F5F_label_en-US" xlink:label="lab_us-gaap_IncrementalCommonSharesAttributableToNonvestedSharesWithForfeitableDividends_B990CB04ADD66BADCF84DEBE48A81F5F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Incremental Common Shares Attributable to Dilutive Effect of Nonvested Shares with Forfeitable Dividends </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncrementalCommonSharesAttributableToNonvestedSharesWithForfeitableDividends" xlink:label="loc_us-gaap_IncrementalCommonSharesAttributableToNonvestedSharesWithForfeitableDividends_B990CB04ADD66BADCF84DEBE48A81F5F" xlink:type="locator"/>
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<link:label id="lab_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_B9728814CDCA744C6475DEBE48A82E9D_totalLabel_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_B9728814CDCA744C6475DEBE48A82E9D" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Dilutive potential common shares (shares) </link:label>
<link:label id="lab_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_B9728814CDCA744C6475DEBE48A82E9D_label_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_B9728814CDCA744C6475DEBE48A82E9D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Weighted Average Number Diluted Shares Outstanding Adjustment </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment" xlink:label="loc_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_B9728814CDCA744C6475DEBE48A82E9D" xlink:type="locator"/>
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<link:label id="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_94679A08B44950DF2C24DEBE48A893B7_totalLabel_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_94679A08B44950DF2C24DEBE48A893B7" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Denominator for diluted earnings per common share - adjusted weighted average shares outstanding and assumed conversions (shares) </link:label>
<link:label id="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_94679A08B44950DF2C24DEBE48A893B7_label_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_94679A08B44950DF2C24DEBE48A893B7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Weighted Average Number of Shares Outstanding, Diluted </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_94679A08B44950DF2C24DEBE48A893B7" xlink:type="locator"/>
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<link:label id="lab_us-gaap_EarningsPerShareBasic_FD4152F0F388CED02877DEBE48A88493_verboseLabel_en-US" xlink:label="lab_us-gaap_EarningsPerShareBasic_FD4152F0F388CED02877DEBE48A88493" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Basic loss per common share (usd per share) </link:label>
<link:label id="lab_us-gaap_EarningsPerShareBasic_FD4152F0F388CED02877DEBE48A88493_label_en-US" xlink:label="lab_us-gaap_EarningsPerShareBasic_FD4152F0F388CED02877DEBE48A88493" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Earnings Per Share, Basic </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EarningsPerShareBasic" xlink:label="loc_us-gaap_EarningsPerShareBasic_FD4152F0F388CED02877DEBE48A88493" xlink:type="locator"/>
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<link:label id="lab_us-gaap_EarningsPerShareDiluted_A15A6E222FDD13F61D50DEBE48A891B6_verboseLabel_en-US" xlink:label="lab_us-gaap_EarningsPerShareDiluted_A15A6E222FDD13F61D50DEBE48A891B6" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Diluted loss per common share (usd per share) </link:label>
<link:label id="lab_us-gaap_EarningsPerShareDiluted_A15A6E222FDD13F61D50DEBE48A891B6_label_en-US" xlink:label="lab_us-gaap_EarningsPerShareDiluted_A15A6E222FDD13F61D50DEBE48A891B6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Earnings Per Share, Diluted </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EarningsPerShareDiluted" xlink:label="loc_us-gaap_EarningsPerShareDiluted_A15A6E222FDD13F61D50DEBE48A891B6" xlink:type="locator"/>
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<link:label id="lab_us-gaap_CommonStockDividendsPerShareCashPaid_73102B9258610C527397DEBE48A87079_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockDividendsPerShareCashPaid_73102B9258610C527397DEBE48A87079" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Dividends paid per common share (usd per share) </link:label>
<link:label id="lab_us-gaap_CommonStockDividendsPerShareCashPaid_73102B9258610C527397DEBE48A87079_label_en-US" xlink:label="lab_us-gaap_CommonStockDividendsPerShareCashPaid_73102B9258610C527397DEBE48A87079" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Common Stock, Dividends, Per Share, Cash Paid </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommonStockDividendsPerShareCashPaid" xlink:label="loc_us-gaap_CommonStockDividendsPerShareCashPaid_73102B9258610C527397DEBE48A87079" xlink:type="locator"/>
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<link:label id="lab_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_A8E4AFE4F40CB12635B5DEBE48A8DE21_terseLabel_en-US" xlink:label="lab_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_A8E4AFE4F40CB12635B5DEBE48A8DE21" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Antidilutive shares excluded from computation of earnings per share (shares) </link:label>
<link:label id="lab_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_A8E4AFE4F40CB12635B5DEBE48A8DE21_label_en-US" xlink:label="lab_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_A8E4AFE4F40CB12635B5DEBE48A8DE21" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount </link:label>
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<link:label id="lab_us-gaap_DebtDisclosureAbstract_5902E9676F6F68DF94D41906CEBF0C08_label_en-US" xlink:label="lab_us-gaap_DebtDisclosureAbstract_5902E9676F6F68DF94D41906CEBF0C08" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Disclosure [Abstract] </link:label>
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<link:label id="lab_us-gaap_LineOfCreditFacilityTable_1C0F3BF95CE3546E28611906CEBFAF1E_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityTable_1C0F3BF95CE3546E28611906CEBFAF1E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Line of Credit Facility [Table] </link:label>
<link:label id="lab_us-gaap_LineOfCreditFacilityTable_1C0F3BF95CE3546E28611906CEBFAF1E_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityTable_1C0F3BF95CE3546E28611906CEBFAF1E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Line of Credit Facility [Table] </link:label>
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<link:label id="lab_us-gaap_CreditFacilityAxis_17A05D05883867C25F421906CEBFFD04_terseLabel_en-US" xlink:label="lab_us-gaap_CreditFacilityAxis_17A05D05883867C25F421906CEBFFD04" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Credit Facility [Axis] </link:label>
<link:label id="lab_us-gaap_CreditFacilityAxis_17A05D05883867C25F421906CEBFFD04_label_en-US" xlink:label="lab_us-gaap_CreditFacilityAxis_17A05D05883867C25F421906CEBFFD04" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Credit Facility [Axis] </link:label>
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<link:label id="lab_us-gaap_CreditFacilityDomain_DDAEFB2227C6CED991241906CEBF8540_terseLabel_en-US" xlink:label="lab_us-gaap_CreditFacilityDomain_DDAEFB2227C6CED991241906CEBF8540" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Credit Facility [Domain] </link:label>
<link:label id="lab_us-gaap_CreditFacilityDomain_DDAEFB2227C6CED991241906CEBF8540_label_en-US" xlink:label="lab_us-gaap_CreditFacilityDomain_DDAEFB2227C6CED991241906CEBF8540" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Credit Facility [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CreditFacilityDomain" xlink:label="loc_us-gaap_CreditFacilityDomain_DDAEFB2227C6CED991241906CEBF8540" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ForeignLineOfCreditMember_7EBE353C223E7DE707FE1906CEBF6566_terseLabel_en-US" xlink:label="lab_us-gaap_ForeignLineOfCreditMember_7EBE353C223E7DE707FE1906CEBF6566" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Foreign Line of Credit </link:label>
<link:label id="lab_us-gaap_ForeignLineOfCreditMember_7EBE353C223E7DE707FE1906CEBF6566_label_en-US" xlink:label="lab_us-gaap_ForeignLineOfCreditMember_7EBE353C223E7DE707FE1906CEBF6566" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Foreign Line of Credit [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ForeignLineOfCreditMember" xlink:label="loc_us-gaap_ForeignLineOfCreditMember_7EBE353C223E7DE707FE1906CEBF6566" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ForeignLineOfCreditMember_7EBE353C223E7DE707FE1906CEBF6566" xlink:to="lab_us-gaap_ForeignLineOfCreditMember_7EBE353C223E7DE707FE1906CEBF6566" xlink:type="arc"/>
<link:label id="lab_us-gaap_VariableRateAxis_3C985378E8A74192FEC61906CEBF305F_terseLabel_en-US" xlink:label="lab_us-gaap_VariableRateAxis_3C985378E8A74192FEC61906CEBF305F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Variable Rate [Axis] </link:label>
<link:label id="lab_us-gaap_VariableRateAxis_3C985378E8A74192FEC61906CEBF305F_label_en-US" xlink:label="lab_us-gaap_VariableRateAxis_3C985378E8A74192FEC61906CEBF305F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Variable Rate [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_VariableRateAxis" xlink:label="loc_us-gaap_VariableRateAxis_3C985378E8A74192FEC61906CEBF305F" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_VariableRateAxis_3C985378E8A74192FEC61906CEBF305F" xlink:to="lab_us-gaap_VariableRateAxis_3C985378E8A74192FEC61906CEBF305F" xlink:type="arc"/>
<link:label id="lab_us-gaap_VariableRateDomain_A159633BB50FCC31B3961906CEBF56FA_terseLabel_en-US" xlink:label="lab_us-gaap_VariableRateDomain_A159633BB50FCC31B3961906CEBF56FA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Variable Rate [Domain] </link:label>
<link:label id="lab_us-gaap_VariableRateDomain_A159633BB50FCC31B3961906CEBF56FA_label_en-US" xlink:label="lab_us-gaap_VariableRateDomain_A159633BB50FCC31B3961906CEBF56FA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Variable Rate [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_VariableRateDomain" xlink:label="loc_us-gaap_VariableRateDomain_A159633BB50FCC31B3961906CEBF56FA" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_VariableRateDomain_A159633BB50FCC31B3961906CEBF56FA" xlink:to="lab_us-gaap_VariableRateDomain_A159633BB50FCC31B3961906CEBF56FA" xlink:type="arc"/>
<link:label id="lab_us-gaap_BaseRateMember_879E69BE35F517BB054D1906CEBF8F3D_terseLabel_en-US" xlink:label="lab_us-gaap_BaseRateMember_879E69BE35F517BB054D1906CEBF8F3D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Base Rate </link:label>
<link:label id="lab_us-gaap_BaseRateMember_879E69BE35F517BB054D1906CEBF8F3D_label_en-US" xlink:label="lab_us-gaap_BaseRateMember_879E69BE35F517BB054D1906CEBF8F3D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Base Rate [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_BaseRateMember" xlink:label="loc_us-gaap_BaseRateMember_879E69BE35F517BB054D1906CEBF8F3D" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BaseRateMember_879E69BE35F517BB054D1906CEBF8F3D" xlink:to="lab_us-gaap_BaseRateMember_879E69BE35F517BB054D1906CEBF8F3D" xlink:type="arc"/>
<link:label id="lab_us-gaap_LineOfCreditFacilityAxis_51295ACD5D42585181971906CEBF2A84_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityAxis_51295ACD5D42585181971906CEBF2A84" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Lender Name [Axis] </link:label>
<link:label id="lab_us-gaap_LineOfCreditFacilityAxis_51295ACD5D42585181971906CEBF2A84_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityAxis_51295ACD5D42585181971906CEBF2A84" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Lender Name [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LineOfCreditFacilityAxis" xlink:label="loc_us-gaap_LineOfCreditFacilityAxis_51295ACD5D42585181971906CEBF2A84" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditFacilityAxis_51295ACD5D42585181971906CEBF2A84" xlink:to="lab_us-gaap_LineOfCreditFacilityAxis_51295ACD5D42585181971906CEBF2A84" xlink:type="arc"/>
<link:label id="lab_us-gaap_LineOfCreditFacilityLenderDomain_91614CDB96E2223A61C01906CEBF2B57_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityLenderDomain_91614CDB96E2223A61C01906CEBF2B57" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Line of Credit Facility, Lender [Domain] </link:label>
<link:label id="lab_us-gaap_LineOfCreditFacilityLenderDomain_91614CDB96E2223A61C01906CEBF2B57_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityLenderDomain_91614CDB96E2223A61C01906CEBF2B57" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Line of Credit Facility, Lender [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LineOfCreditFacilityLenderDomain" xlink:label="loc_us-gaap_LineOfCreditFacilityLenderDomain_91614CDB96E2223A61C01906CEBF2B57" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditFacilityLenderDomain_91614CDB96E2223A61C01906CEBF2B57" xlink:to="lab_us-gaap_LineOfCreditFacilityLenderDomain_91614CDB96E2223A61C01906CEBF2B57" xlink:type="arc"/>
<link:label id="lab_fstr_NatwestBankMember_86F015F2C2C5D25B87AC1906CEBF471F_terseLabel_en-US" xlink:label="lab_fstr_NatwestBankMember_86F015F2C2C5D25B87AC1906CEBF471F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> NatWest Bank </link:label>
<link:label id="lab_fstr_NatwestBankMember_86F015F2C2C5D25B87AC1906CEBF471F_label_en-US" xlink:label="lab_fstr_NatwestBankMember_86F015F2C2C5D25B87AC1906CEBF471F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Natwest Bank [Member] </link:label>
<link:label id="lab_fstr_NatwestBankMember_86F015F2C2C5D25B87AC1906CEBF471F_documentation_en-US" xlink:label="lab_fstr_NatwestBankMember_86F015F2C2C5D25B87AC1906CEBF471F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> NatWest Bank </link:label>
<link:loc xlink:href="fstr-20180331.xsd#fstr_NatwestBankMember" xlink:label="loc_fstr_NatwestBankMember_86F015F2C2C5D25B87AC1906CEBF471F" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fstr_NatwestBankMember_86F015F2C2C5D25B87AC1906CEBF471F" xlink:to="lab_fstr_NatwestBankMember_86F015F2C2C5D25B87AC1906CEBF471F" xlink:type="arc"/>
<link:label id="lab_fstr_NatwestBankOutstandingGuaranteesMember_982DC271D2A9F6CEA50D1906CEBF694E_terseLabel_en-US" xlink:label="lab_fstr_NatwestBankOutstandingGuaranteesMember_982DC271D2A9F6CEA50D1906CEBF694E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Natwest Bank Outstanding Guarantees </link:label>
<link:label id="lab_fstr_NatwestBankOutstandingGuaranteesMember_982DC271D2A9F6CEA50D1906CEBF694E_label_en-US" xlink:label="lab_fstr_NatwestBankOutstandingGuaranteesMember_982DC271D2A9F6CEA50D1906CEBF694E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Natwest Bank Outstanding Guarantees [Member] </link:label>
<link:label id="lab_fstr_NatwestBankOutstandingGuaranteesMember_982DC271D2A9F6CEA50D1906CEBF694E_documentation_en-US" xlink:label="lab_fstr_NatwestBankOutstandingGuaranteesMember_982DC271D2A9F6CEA50D1906CEBF694E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> NatWest Bank Outstanding Guarantees </link:label>
<link:loc xlink:href="fstr-20180331.xsd#fstr_NatwestBankOutstandingGuaranteesMember" xlink:label="loc_fstr_NatwestBankOutstandingGuaranteesMember_982DC271D2A9F6CEA50D1906CEBF694E" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fstr_NatwestBankOutstandingGuaranteesMember_982DC271D2A9F6CEA50D1906CEBF694E" xlink:to="lab_fstr_NatwestBankOutstandingGuaranteesMember_982DC271D2A9F6CEA50D1906CEBF694E" xlink:type="arc"/>
<link:label id="lab_us-gaap_LineOfCreditFacilityLineItems_1CEC8EF7597902F4B1271906CEBFA0B0_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityLineItems_1CEC8EF7597902F4B1271906CEBFA0B0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Line of Credit Facility </link:label>
<link:label id="lab_us-gaap_LineOfCreditFacilityLineItems_1CEC8EF7597902F4B1271906CEBFA0B0_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityLineItems_1CEC8EF7597902F4B1271906CEBFA0B0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Line of Credit Facility [Line Items] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LineOfCreditFacilityLineItems" xlink:label="loc_us-gaap_LineOfCreditFacilityLineItems_1CEC8EF7597902F4B1271906CEBFA0B0" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_1CEC8EF7597902F4B1271906CEBFA0B0" xlink:to="lab_us-gaap_LineOfCreditFacilityLineItems_1CEC8EF7597902F4B1271906CEBFA0B0" xlink:type="arc"/>
<link:label id="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_B3399F8898905B0A5E461906CEBFFE2B_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_B3399F8898905B0A5E461906CEBFFE2B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Line of credit facility, maximum borrowing capacity </link:label>
<link:label id="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_B3399F8898905B0A5E461906CEBFFE2B_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_B3399F8898905B0A5E461906CEBFFE2B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Line of Credit Facility, Maximum Borrowing Capacity </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_B3399F8898905B0A5E461906CEBFFE2B" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_B3399F8898905B0A5E461906CEBFFE2B" xlink:to="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_B3399F8898905B0A5E461906CEBFFE2B" xlink:type="arc"/>
<link:label id="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_18E93A63FD406ABA10F81906CEBF7B99_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_18E93A63FD406ABA10F81906CEBF7B99" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Debt instrument, basis spread on variable rate </link:label>
<link:label id="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_18E93A63FD406ABA10F81906CEBF7B99_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_18E93A63FD406ABA10F81906CEBF7B99" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Basis Spread on Variable Rate </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_18E93A63FD406ABA10F81906CEBF7B99" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_18E93A63FD406ABA10F81906CEBF7B99" xlink:to="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_18E93A63FD406ABA10F81906CEBF7B99" xlink:type="arc"/>
<link:label id="lab_us-gaap_LineOfCredit_F7590F6ECFDFF8E47A4E1906CEBF3F53_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCredit_F7590F6ECFDFF8E47A4E1906CEBF3F53" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Line of credit facility, amount outstanding </link:label>
<link:label id="lab_us-gaap_LineOfCredit_F7590F6ECFDFF8E47A4E1906CEBF3F53_label_en-US" xlink:label="lab_us-gaap_LineOfCredit_F7590F6ECFDFF8E47A4E1906CEBF3F53" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Line of Credit </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LineOfCredit" xlink:label="loc_us-gaap_LineOfCredit_F7590F6ECFDFF8E47A4E1906CEBF3F53" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCredit_F7590F6ECFDFF8E47A4E1906CEBF3F53" xlink:to="lab_us-gaap_LineOfCredit_F7590F6ECFDFF8E47A4E1906CEBF3F53" xlink:type="arc"/>
<link:label id="lab_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_B9BFBCF708A182D3BEE01906CEBFAB61_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_B9BFBCF708A182D3BEE01906CEBFAB61" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Line of credit facility, current borrowing capacity </link:label>
<link:label id="lab_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_B9BFBCF708A182D3BEE01906CEBFAB61_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_B9BFBCF708A182D3BEE01906CEBFAB61" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Line of Credit Facility, Current Borrowing Capacity </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity" xlink:label="loc_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_B9BFBCF708A182D3BEE01906CEBFAB61" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_B9BFBCF708A182D3BEE01906CEBFAB61" xlink:to="lab_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_B9BFBCF708A182D3BEE01906CEBFAB61" xlink:type="arc"/>
<link:label id="lab_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_3E2198405060F44A6C027AE3474E30DE_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_FE1582B0C7835889BB1C9C7FD2682C48" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Earnings Per Share, Basic and Diluted </link:label>
<link:label id="lab_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_3E2198405060F44A6C027AE3474E30DE_label_en-US" xlink:label="lab_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_FE1582B0C7835889BB1C9C7FD2682C48" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_FE1582B0C7835889BB1C9C7FD2682C48" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_FE1582B0C7835889BB1C9C7FD2682C48" xlink:to="lab_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_FE1582B0C7835889BB1C9C7FD2682C48" xlink:type="arc"/>
<link:label id="lab_us-gaap_FairValueDisclosuresAbstract_471D9F00362B9ED4D641D3E4AE6A60AC_label_en-US" xlink:label="lab_us-gaap_FairValueDisclosuresAbstract_471D9F00362B9ED4D641D3E4AE6A60AC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Fair Value Disclosures [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueDisclosuresAbstract" xlink:label="loc_us-gaap_FairValueDisclosuresAbstract_471D9F00362B9ED4D641D3E4AE6A60AC" xlink:type="locator"/>
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<link:label id="lab_us-gaap_FairValueByBalanceSheetGroupingTable_C50A831A6186966D9EFAD3E4AE6A489A_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueByBalanceSheetGroupingTable_C50A831A6186966D9EFAD3E4AE6A489A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Fair Value, by Balance Sheet Grouping [Table] </link:label>
<link:label id="lab_us-gaap_FairValueByBalanceSheetGroupingTable_C50A831A6186966D9EFAD3E4AE6A489A_label_en-US" xlink:label="lab_us-gaap_FairValueByBalanceSheetGroupingTable_C50A831A6186966D9EFAD3E4AE6A489A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Fair Value, by Balance Sheet Grouping [Table] </link:label>
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<link:label id="lab_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_6D0BF7AE27814F1469A1D3E4AE6A4FF9_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_6D0BF7AE27814F1469A1D3E4AE6A4FF9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Fair Value, Measurements, Fair Value Hierarchy [Domain] </link:label>
<link:label id="lab_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_6D0BF7AE27814F1469A1D3E4AE6A4FF9_label_en-US" xlink:label="lab_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_6D0BF7AE27814F1469A1D3E4AE6A4FF9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Fair Value Hierarchy [Domain] </link:label>
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<link:label id="lab_us-gaap_FairValueInputsLevel1Member_DE5466025263584B2E81D3E4AE6AD365_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueInputsLevel1Member_DE5466025263584B2E81D3E4AE6AD365" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Quoted Prices in Active Markets for Identical Assets (Level 1) </link:label>
<link:label id="lab_us-gaap_FairValueInputsLevel1Member_DE5466025263584B2E81D3E4AE6AD365_label_en-US" xlink:label="lab_us-gaap_FairValueInputsLevel1Member_DE5466025263584B2E81D3E4AE6AD365" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Fair Value, Inputs, Level 1 [Member] </link:label>
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<link:label id="lab_us-gaap_FairValueInputsLevel2Member_94A0BA6DB0668F954792D3E4AE6AEDE9_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueInputsLevel2Member_94A0BA6DB0668F954792D3E4AE6AEDE9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Significant Other Observable Inputs (Level 2) </link:label>
<link:label id="lab_us-gaap_FairValueInputsLevel2Member_94A0BA6DB0668F954792D3E4AE6AEDE9_label_en-US" xlink:label="lab_us-gaap_FairValueInputsLevel2Member_94A0BA6DB0668F954792D3E4AE6AEDE9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Fair Value, Inputs, Level 2 [Member] </link:label>
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<link:label id="lab_us-gaap_FairValueInputsLevel3Member_CAED85621DF658B63983D3E4AE6B467A_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueInputsLevel3Member_CAED85621DF658B63983D3E4AE6B467A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Significant Unobservable Inputs (Level 3) </link:label>
<link:label id="lab_us-gaap_FairValueInputsLevel3Member_CAED85621DF658B63983D3E4AE6B467A_label_en-US" xlink:label="lab_us-gaap_FairValueInputsLevel3Member_CAED85621DF658B63983D3E4AE6B467A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Fair Value, Inputs, Level 3 [Member] </link:label>
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<link:label id="lab_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_926E6FD866C32BA67712D3E4AE6BCDF2_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_926E6FD866C32BA67712D3E4AE6BCDF2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Fair Value, Balance Sheet Grouping, Financial Statement Captions </link:label>
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<link:label id="lab_us-gaap_CashAndCashEquivalentsFairValueDisclosure_3B376E68A3E8FD728EC5D3E4AE6B557E_netLabel_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsFairValueDisclosure_3B376E68A3E8FD728EC5D3E4AE6B557E" xlink:role="http://www.xbrl.org/2009/role/netLabel" xlink:type="resource" xml:lang="en-US"> Term deposits </link:label>
<link:label id="lab_us-gaap_CashAndCashEquivalentsFairValueDisclosure_3B376E68A3E8FD728EC5D3E4AE6B557E_label_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsFairValueDisclosure_3B376E68A3E8FD728EC5D3E4AE6B557E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cash and Cash Equivalents, Fair Value Disclosure </link:label>
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<link:label id="lab_us-gaap_DerivativeAssets_0168E9482E80ADF69829D3E4AE6BB48B_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeAssets_0168E9482E80ADF69829D3E4AE6BB48B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Interest rate swaps </link:label>
<link:label id="lab_us-gaap_DerivativeAssets_0168E9482E80ADF69829D3E4AE6BB48B_label_en-US" xlink:label="lab_us-gaap_DerivativeAssets_0168E9482E80ADF69829D3E4AE6BB48B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Derivative Asset </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeAssets" xlink:label="loc_us-gaap_DerivativeAssets_0168E9482E80ADF69829D3E4AE6BB48B" xlink:type="locator"/>
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<link:label id="lab_us-gaap_AssetsFairValueDisclosure_E5EDE5779AE4596A2F2BD3E4AE6BF538_totalLabel_en-US" xlink:label="lab_us-gaap_AssetsFairValueDisclosure_E5EDE5779AE4596A2F2BD3E4AE6BF538" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total assets </link:label>
<link:label id="lab_us-gaap_AssetsFairValueDisclosure_E5EDE5779AE4596A2F2BD3E4AE6BF538_label_en-US" xlink:label="lab_us-gaap_AssetsFairValueDisclosure_E5EDE5779AE4596A2F2BD3E4AE6BF538" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Assets, Fair Value Disclosure </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AssetsFairValueDisclosure" xlink:label="loc_us-gaap_AssetsFairValueDisclosure_E5EDE5779AE4596A2F2BD3E4AE6BF538" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_839C3CFD2A883C8DBCFCB7877E7656EA_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_839C3CFD2A883C8DBCFCB7877E7656EA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Defined Benefit Plans Disclosures [Table] </link:label>
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<link:label id="lab_us-gaap_RetirementPlanTypeAxis_3E9126EF30FE2198C9B1B7877E77BA1A_terseLabel_en-US" xlink:label="lab_us-gaap_RetirementPlanTypeAxis_3E9126EF30FE2198C9B1B7877E77BA1A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Retirement Plan Type [Axis] </link:label>
<link:label id="lab_us-gaap_RetirementPlanTypeAxis_3E9126EF30FE2198C9B1B7877E77BA1A_label_en-US" xlink:label="lab_us-gaap_RetirementPlanTypeAxis_3E9126EF30FE2198C9B1B7877E77BA1A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Retirement Plan Type [Axis] </link:label>
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<link:label id="lab_us-gaap_RetirementPlanTypeDomain_37D55415760EF7D362BFB7877E77E394_terseLabel_en-US" xlink:label="lab_us-gaap_RetirementPlanTypeDomain_37D55415760EF7D362BFB7877E77E394" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Retirement Plan Type [Domain] </link:label>
<link:label id="lab_us-gaap_RetirementPlanTypeDomain_37D55415760EF7D362BFB7877E77E394_label_en-US" xlink:label="lab_us-gaap_RetirementPlanTypeDomain_37D55415760EF7D362BFB7877E77E394" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Retirement Plan Type [Domain] </link:label>
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<link:label id="lab_us-gaap_PensionPlansDefinedBenefitMember_68812B26A8F6E2A73D5EB7877E776B82_terseLabel_en-US" xlink:label="lab_us-gaap_PensionPlansDefinedBenefitMember_68812B26A8F6E2A73D5EB7877E776B82" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Pension Plan </link:label>
<link:label id="lab_us-gaap_PensionPlansDefinedBenefitMember_68812B26A8F6E2A73D5EB7877E776B82_label_en-US" xlink:label="lab_us-gaap_PensionPlansDefinedBenefitMember_68812B26A8F6E2A73D5EB7877E776B82" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Pension Plan [Member] </link:label>
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<link:label id="lab_us-gaap_RetirementPlanSponsorLocationAxis_8F95BE853D566CE530B2B7877E78BDA2_terseLabel_en-US" xlink:label="lab_us-gaap_RetirementPlanSponsorLocationAxis_8F95BE853D566CE530B2B7877E78BDA2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Retirement Plan Sponsor Location [Axis] </link:label>
<link:label id="lab_us-gaap_RetirementPlanSponsorLocationAxis_8F95BE853D566CE530B2B7877E78BDA2_label_en-US" xlink:label="lab_us-gaap_RetirementPlanSponsorLocationAxis_8F95BE853D566CE530B2B7877E78BDA2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Retirement Plan Sponsor Location [Axis] </link:label>
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<link:label id="lab_us-gaap_RetirementPlanSponsorLocationDomain_DF41DBE6007AA61DF6ECB7877E78CA7E_terseLabel_en-US" xlink:label="lab_us-gaap_RetirementPlanSponsorLocationDomain_DF41DBE6007AA61DF6ECB7877E78CA7E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Retirement Plan Sponsor Location [Domain] </link:label>
<link:label id="lab_us-gaap_RetirementPlanSponsorLocationDomain_DF41DBE6007AA61DF6ECB7877E78CA7E_label_en-US" xlink:label="lab_us-gaap_RetirementPlanSponsorLocationDomain_DF41DBE6007AA61DF6ECB7877E78CA7E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Retirement Plan Sponsor Location [Domain] </link:label>
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<link:label id="lab_country_US_EFDF08E45D1A0FF1B9B7B7877E78CC07_terseLabel_en-US" xlink:label="lab_country_US_EFDF08E45D1A0FF1B9B7B7877E78CC07" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> United States </link:label>
<link:label id="lab_country_US_EFDF08E45D1A0FF1B9B7B7877E78CC07_label_en-US" xlink:label="lab_country_US_EFDF08E45D1A0FF1B9B7B7877E78CC07" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> UNITED STATES </link:label>
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<link:label id="lab_us-gaap_ForeignPlanMember_658EC3C54F207E62AACDB7877E79439F_terseLabel_en-US" xlink:label="lab_us-gaap_ForeignPlanMember_658EC3C54F207E62AACDB7877E79439F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Foreign Plan </link:label>
<link:label id="lab_us-gaap_ForeignPlanMember_658EC3C54F207E62AACDB7877E79439F_label_en-US" xlink:label="lab_us-gaap_ForeignPlanMember_658EC3C54F207E62AACDB7877E79439F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Foreign Plan [Member] </link:label>
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<link:label id="lab_us-gaap_DefinedBenefitPlanDisclosureLineItems_16C12530E723398A5AF7B7877E7984B4_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanDisclosureLineItems_16C12530E723398A5AF7B7877E7984B4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan Disclosure </link:label>
<link:label id="lab_us-gaap_DefinedBenefitPlanDisclosureLineItems_16C12530E723398A5AF7B7877E7984B4_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanDisclosureLineItems_16C12530E723398A5AF7B7877E7984B4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan Disclosure [Line Items] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DefinedBenefitPlanDisclosureLineItems" xlink:label="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_16C12530E723398A5AF7B7877E7984B4" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ScheduleOfNetBenefitCostsTableTextBlock_674484CA934CB1E4F459B7877E7AE52B_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfNetBenefitCostsTableTextBlock_674484CA934CB1E4F459B7877E7AE52B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Net Benefit Costs </link:label>
<link:label id="lab_us-gaap_ScheduleOfNetBenefitCostsTableTextBlock_674484CA934CB1E4F459B7877E7AE52B_label_en-US" xlink:label="lab_us-gaap_ScheduleOfNetBenefitCostsTableTextBlock_674484CA934CB1E4F459B7877E7AE52B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Net Benefit Costs [Table Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfNetBenefitCostsTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfNetBenefitCostsTableTextBlock_674484CA934CB1E4F459B7877E7AE52B" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ScheduleOfCostsOfRetirementPlansTableTextBlock_73B15D94B87B05452D68B7877E7B5287_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfCostsOfRetirementPlansTableTextBlock_73B15D94B87B05452D68B7877E7B5287" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Costs of Retirement Plans </link:label>
<link:label id="lab_us-gaap_ScheduleOfCostsOfRetirementPlansTableTextBlock_73B15D94B87B05452D68B7877E7B5287_label_en-US" xlink:label="lab_us-gaap_ScheduleOfCostsOfRetirementPlansTableTextBlock_73B15D94B87B05452D68B7877E7B5287" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Costs of Retirement Plans [Table Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfCostsOfRetirementPlansTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfCostsOfRetirementPlansTableTextBlock_73B15D94B87B05452D68B7877E7B5287" xlink:type="locator"/>
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<link:label id="lab_us-gaap_QuarterlyFinancialInformationDisclosureAbstract_71A4FEEA0298B6A4B9C4CEF1DA7DBC8D_label_en-US" xlink:label="lab_us-gaap_QuarterlyFinancialInformationDisclosureAbstract_71A4FEEA0298B6A4B9C4CEF1DA7DBC8D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Quarterly Financial Information Disclosure [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_QuarterlyFinancialInformationDisclosureAbstract" xlink:label="loc_us-gaap_QuarterlyFinancialInformationDisclosureAbstract_71A4FEEA0298B6A4B9C4CEF1DA7DBC8D" xlink:type="locator"/>
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<link:label id="lab_us-gaap_RestatementAdjustmentMember_6743D7ECE6E61054BFF5CEF33E0B0E32_terseLabel_en-US" xlink:label="lab_us-gaap_RestatementAdjustmentMember_6743D7ECE6E61054BFF5CEF33E0B0E32" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Adjustments </link:label>
<link:label id="lab_us-gaap_RestatementAdjustmentMember_6743D7ECE6E61054BFF5CEF33E0B0E32_label_en-US" xlink:label="lab_us-gaap_RestatementAdjustmentMember_6743D7ECE6E61054BFF5CEF33E0B0E32" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Restatement Adjustment [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RestatementAdjustmentMember" xlink:label="loc_us-gaap_RestatementAdjustmentMember_6743D7ECE6E61054BFF5CEF33E0B0E32" xlink:type="locator"/>
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<link:label id="lab_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_5AAED33286725004E482CEF29AE10917_terseLabel_en-US" xlink:label="lab_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_5AAED33286725004E482CEF29AE10917" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Adjustments for New Accounting Pronouncements [Axis] </link:label>
<link:label id="lab_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_5AAED33286725004E482CEF29AE10917_label_en-US" xlink:label="lab_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_5AAED33286725004E482CEF29AE10917" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Adjustments for New Accounting Pronouncements [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AdjustmentsForNewAccountingPronouncementsAxis" xlink:label="loc_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_5AAED33286725004E482CEF29AE10917" xlink:type="locator"/>
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<link:label id="lab_us-gaap_TypeOfAdoptionMember_3AAD8FFA04181491881DCEF4D6FB7936_terseLabel_en-US" xlink:label="lab_us-gaap_TypeOfAdoptionMember_3AAD8FFA04181491881DCEF4D6FB7936" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Type of Adoption [Domain] </link:label>
<link:label id="lab_us-gaap_TypeOfAdoptionMember_3AAD8FFA04181491881DCEF4D6FB7936_label_en-US" xlink:label="lab_us-gaap_TypeOfAdoptionMember_3AAD8FFA04181491881DCEF4D6FB7936" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Type of Adoption [Domain] </link:label>
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<link:label id="lab_us-gaap_AccountingStandardsUpdate201616Member_64CCEBF34F70A0080368CEF2CA7FD83C_terseLabel_en-US" xlink:label="lab_us-gaap_AccountingStandardsUpdate201616Member_64CCEBF34F70A0080368CEF2CA7FD83C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> ASU2016-16 </link:label>
<link:label id="lab_us-gaap_AccountingStandardsUpdate201616Member_64CCEBF34F70A0080368CEF2CA7FD83C_label_en-US" xlink:label="lab_us-gaap_AccountingStandardsUpdate201616Member_64CCEBF34F70A0080368CEF2CA7FD83C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accounting Standards Update 2016-16 [Member] </link:label>
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<link:label id="lab_us-gaap_RetainedEarningsAccumulatedDeficit_2E6B2C3A14E999D880CACEF1DF60A4B7_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_RetainedEarningsAccumulatedDeficit_2E6B2C3A14E999D880CACEF1DF60A4B7" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Reduction to retained earnings </link:label>
<link:label id="lab_us-gaap_RetainedEarningsAccumulatedDeficit_2E6B2C3A14E999D880CACEF1DF60A4B7_label_en-US" xlink:label="lab_us-gaap_RetainedEarningsAccumulatedDeficit_2E6B2C3A14E999D880CACEF1DF60A4B7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Retained Earnings (Accumulated Deficit) </link:label>
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<link:label id="lab_us-gaap_VestingAxis_966218806E1596AB10B2FE6F74395E22_terseLabel_en-US" xlink:label="lab_us-gaap_VestingAxis_966218806E1596AB10B2FE6F74395E22" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Vesting [Axis] </link:label>
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<link:label id="lab_us-gaap_VestingDomain_592AE99D6BEFA6FFD9F4FE6F74399AB1_terseLabel_en-US" xlink:label="lab_us-gaap_VestingDomain_592AE99D6BEFA6FFD9F4FE6F74399AB1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Vesting [Domain] </link:label>
<link:label id="lab_us-gaap_VestingDomain_592AE99D6BEFA6FFD9F4FE6F74399AB1_label_en-US" xlink:label="lab_us-gaap_VestingDomain_592AE99D6BEFA6FFD9F4FE6F74399AB1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Vesting [Domain] </link:label>
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<link:label id="lab_fstr_VestingPeriod1Member_54FC1512C2A2B87F1ADEFE6F7439F921_terseLabel_en-US" xlink:label="lab_fstr_VestingPeriod1Member_54FC1512C2A2B87F1ADEFE6F7439F921" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Vesting Period 1 </link:label>
<link:label id="lab_fstr_VestingPeriod1Member_54FC1512C2A2B87F1ADEFE6F7439F921_label_en-US" xlink:label="lab_fstr_VestingPeriod1Member_54FC1512C2A2B87F1ADEFE6F7439F921" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Vesting Period1 [Member] </link:label>
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<link:label id="lab_fstr_VestingPeriod2Member_831C713BA8401DC6C664FE6F7439597C_terseLabel_en-US" xlink:label="lab_fstr_VestingPeriod2Member_831C713BA8401DC6C664FE6F7439597C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Vesting Period 2 </link:label>
<link:label id="lab_fstr_VestingPeriod2Member_831C713BA8401DC6C664FE6F7439597C_label_en-US" xlink:label="lab_fstr_VestingPeriod2Member_831C713BA8401DC6C664FE6F7439597C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Vesting Period2 [Member] </link:label>
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<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_82D6609DE96FF61E9ABAFE6F743AC163_verboseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_82D6609DE96FF61E9ABAFE6F743AC163" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Vesting period </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_82D6609DE96FF61E9ABAFE6F743AC163_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_82D6609DE96FF61E9ABAFE6F743AC163" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_82D6609DE96FF61E9ABAFE6F743AC163" xlink:type="locator"/>
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<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_B2B91907BFF8A99A1292DEBE4899D6A4" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_D1867EDA2714B5D5485DCEE3095821EB_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_D1867EDA2714B5D5485DCEE3095821EB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Finite-Lived Intangible Assets [Table] </link:label>
<link:label id="lab_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_D1867EDA2714B5D5485DCEE3095821EB_label_en-US" xlink:label="lab_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_D1867EDA2714B5D5485DCEE3095821EB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Finite-Lived Intangible Assets [Table] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" xlink:label="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_D1867EDA2714B5D5485DCEE3095821EB" xlink:type="locator"/>
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<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_FF7E45786E21CCE471F7CEE3095892B7_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_FF7E45786E21CCE471F7CEE3095892B7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Assets by Major Class [Axis] </link:label>
<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_FF7E45786E21CCE471F7CEE3095892B7_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_FF7E45786E21CCE471F7CEE3095892B7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Assets by Major Class [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_FF7E45786E21CCE471F7CEE3095892B7" xlink:type="locator"/>
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<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_2244F387B74F4D042931CEE30958BD6B_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_2244F387B74F4D042931CEE30958BD6B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Assets, Major Class Name [Domain] </link:label>
<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_2244F387B74F4D042931CEE30958BD6B_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_2244F387B74F4D042931CEE30958BD6B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Assets, Major Class Name [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_2244F387B74F4D042931CEE30958BD6B" xlink:type="locator"/>
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<link:label id="lab_us-gaap_NoncompeteAgreementsMember_2C607D493AB1953BEB6ECEE3095800E3_terseLabel_en-US" xlink:label="lab_us-gaap_NoncompeteAgreementsMember_2C607D493AB1953BEB6ECEE3095800E3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Non-compete agreements </link:label>
<link:label id="lab_us-gaap_NoncompeteAgreementsMember_2C607D493AB1953BEB6ECEE3095800E3_label_en-US" xlink:label="lab_us-gaap_NoncompeteAgreementsMember_2C607D493AB1953BEB6ECEE3095800E3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Noncompete Agreements [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NoncompeteAgreementsMember" xlink:label="loc_us-gaap_NoncompeteAgreementsMember_2C607D493AB1953BEB6ECEE3095800E3" xlink:type="locator"/>
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<link:label id="lab_us-gaap_PatentsMember_DABA4EB42EF632DE6E6DCEE30958DECB_terseLabel_en-US" xlink:label="lab_us-gaap_PatentsMember_DABA4EB42EF632DE6E6DCEE30958DECB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Patents </link:label>
<link:label id="lab_us-gaap_PatentsMember_DABA4EB42EF632DE6E6DCEE30958DECB_label_en-US" xlink:label="lab_us-gaap_PatentsMember_DABA4EB42EF632DE6E6DCEE30958DECB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Patents [Member] </link:label>
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<link:label id="lab_us-gaap_CustomerRelationshipsMember_D19A82AEAA8C2EDBDE42CEE30959FBB7_terseLabel_en-US" xlink:label="lab_us-gaap_CustomerRelationshipsMember_D19A82AEAA8C2EDBDE42CEE30959FBB7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Customer relationships </link:label>
<link:label id="lab_us-gaap_CustomerRelationshipsMember_D19A82AEAA8C2EDBDE42CEE30959FBB7_label_en-US" xlink:label="lab_us-gaap_CustomerRelationshipsMember_D19A82AEAA8C2EDBDE42CEE30959FBB7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Customer Relationships [Member] </link:label>
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<link:label id="lab_us-gaap_TrademarksMember_9C63A6437F66E93B6058CEE30959608F_terseLabel_en-US" xlink:label="lab_us-gaap_TrademarksMember_9C63A6437F66E93B6058CEE30959608F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Trademarks and trade names </link:label>
<link:label id="lab_us-gaap_TrademarksMember_9C63A6437F66E93B6058CEE30959608F_label_en-US" xlink:label="lab_us-gaap_TrademarksMember_9C63A6437F66E93B6058CEE30959608F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Trademarks [Member] </link:label>
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<link:label id="lab_us-gaap_TechnologyBasedIntangibleAssetsMember_94C61F567C11329F9E77CEE3095E352B_terseLabel_en-US" xlink:label="lab_us-gaap_TechnologyBasedIntangibleAssetsMember_94C61F567C11329F9E77CEE3095E352B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Technology </link:label>
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<link:label id="lab_us-gaap_CapitalLeaseObligations_F8C326F1904A0EBEAA15DEBE49186EFA_terseLabel_en-US" xlink:label="lab_us-gaap_CapitalLeaseObligations_F8C326F1904A0EBEAA15DEBE49186EFA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Capital leases and financing agreements </link:label>
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<link:label id="lab_us-gaap_DebtAndCapitalLeaseObligations_B89FE2F203F1EADEDBD9DEBE49183A73_totalLabel_en-US" xlink:label="lab_us-gaap_DebtAndCapitalLeaseObligations_B89FE2F203F1EADEDBD9DEBE49183A73" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total </link:label>
<link:label id="lab_us-gaap_DebtAndCapitalLeaseObligations_B89FE2F203F1EADEDBD9DEBE49183A73_label_en-US" xlink:label="lab_us-gaap_DebtAndCapitalLeaseObligations_B89FE2F203F1EADEDBD9DEBE49183A73" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt and Capital Lease Obligations </link:label>
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<link:label id="lab_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_260CD75BF41DAFEB70DADEBE4918B910_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_260CD75BF41DAFEB70DADEBE4918B910" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Less current maturities </link:label>
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<link:label id="lab_us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock_C13EBBF49A6EE39C38237AE347585D75_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock_B59723007A1E5F35959815CFE1C564E7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis </link:label>
<link:label id="lab_us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock_C13EBBF49A6EE39C38237AE347585D75_label_en-US" xlink:label="lab_us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock_B59723007A1E5F35959815CFE1C564E7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] </link:label>
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<link:label id="lab_us-gaap_StatementOfCashFlowsAbstract_F012BD6EEDCA8DDCE381FE6F7528660C_label_en-US" xlink:label="lab_us-gaap_StatementOfCashFlowsAbstract_F012BD6EEDCA8DDCE381FE6F7528660C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Statement of Cash Flows [Abstract] </link:label>
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<link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_2A1C8BE33DA9FAFE2638FE6F75284F6E_terseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_2A1C8BE33DA9FAFE2638FE6F75284F6E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> CASH FLOWS FROM OPERATING ACTIVITIES: </link:label>
<link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_2A1C8BE33DA9FAFE2638FE6F75284F6E_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_2A1C8BE33DA9FAFE2638FE6F75284F6E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net Cash Provided by (Used in) Operating Activities [Abstract] </link:label>
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<link:label id="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_61DCAAEED460A2AF9D2BFE6F75281AAB_terseLabel_en-US" xlink:label="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_61DCAAEED460A2AF9D2BFE6F75281AAB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Adjustments to reconcile net loss to cash provided (used) by operating activities: </link:label>
<link:label id="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_61DCAAEED460A2AF9D2BFE6F75281AAB_label_en-US" xlink:label="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_61DCAAEED460A2AF9D2BFE6F75281AAB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] </link:label>
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<link:label id="lab_us-gaap_DeferredIncomeTaxExpenseBenefit_DCC283979CF78DA0827BFE6F7528A611_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredIncomeTaxExpenseBenefit_DCC283979CF78DA0827BFE6F7528A611" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Deferred income taxes </link:label>
<link:label id="lab_us-gaap_DeferredIncomeTaxExpenseBenefit_DCC283979CF78DA0827BFE6F7528A611_label_en-US" xlink:label="lab_us-gaap_DeferredIncomeTaxExpenseBenefit_DCC283979CF78DA0827BFE6F7528A611" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Deferred Income Tax Expense (Benefit) </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_DCC283979CF78DA0827BFE6F7528A611" xlink:type="locator"/>
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<link:label id="lab_us-gaap_Depreciation_14EA274624AE19029BA0FE6F75291051_label_en-US" xlink:label="lab_us-gaap_Depreciation_14EA274624AE19029BA0FE6F75291051" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Depreciation </link:label>
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<link:label id="lab_us-gaap_AdjustmentForAmortization_0BDB682A882B3EB41165FE6F75295788_terseLabel_en-US" xlink:label="lab_us-gaap_AdjustmentForAmortization_0BDB682A882B3EB41165FE6F75295788" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Amortization </link:label>
<link:label id="lab_us-gaap_AdjustmentForAmortization_0BDB682A882B3EB41165FE6F75295788_label_en-US" xlink:label="lab_us-gaap_AdjustmentForAmortization_0BDB682A882B3EB41165FE6F75295788" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Amortization </link:label>
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<link:label id="lab_us-gaap_IncomeLossFromEquityMethodInvestments_16641EAAE65B65042A0DFE6F752947EC_negatedLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromEquityMethodInvestments_16641EAAE65B65042A0DFE6F752947EC" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Equity in loss of nonconsolidated investments </link:label>
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<link:label id="lab_us-gaap_GainLossOnSaleOfPropertyPlantEquipment_4CAE4DB73C2CBC49428EFE6F75297929_negatedLabel_en-US" xlink:label="lab_us-gaap_GainLossOnSaleOfPropertyPlantEquipment_4CAE4DB73C2CBC49428EFE6F75297929" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Loss on sales and disposals of property, plant, and equipment </link:label>
<link:label id="lab_us-gaap_GainLossOnSaleOfPropertyPlantEquipment_4CAE4DB73C2CBC49428EFE6F75297929_label_en-US" xlink:label="lab_us-gaap_GainLossOnSaleOfPropertyPlantEquipment_4CAE4DB73C2CBC49428EFE6F75297929" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Gain (Loss) on Disposition of Property Plant Equipment </link:label>
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<link:label id="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_649C41013D61E25F18C6FE6F75295B51_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_649C41013D61E25F18C6FE6F75295B51" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Change in operating assets and liabilities </link:label>
<link:label id="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_649C41013D61E25F18C6FE6F75295B51_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_649C41013D61E25F18C6FE6F75295B51" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Increase (Decrease) in Operating Capital [Abstract] </link:label>
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<link:label id="lab_us-gaap_IncreaseDecreaseInAccountsAndOtherReceivables_D9881098E13893C2A6E3FE6F7529C683_negatedLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsAndOtherReceivables_D9881098E13893C2A6E3FE6F7529C683" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Accounts receivable </link:label>
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<link:label id="lab_us-gaap_IncreaseDecreaseInInventories_D540E170254D0473F78DFE6F7529636D_negatedLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInInventories_D540E170254D0473F78DFE6F7529636D" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Inventories </link:label>
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<link:label id="lab_us-gaap_IncreaseDecreaseInPrepaidTaxes_2B71A83CAB743CF5A2EAFE6F7529F6E3_negatedLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInPrepaidTaxes_2B71A83CAB743CF5A2EAFE6F7529F6E3" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Prepaid income tax </link:label>
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<link:label id="lab_us-gaap_IncreaseDecreaseInAccountsPayable_83775F9291C18864B0FBFE6F7529AFB9_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsPayable_83775F9291C18864B0FBFE6F7529AFB9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accounts payable </link:label>
<link:label id="lab_us-gaap_IncreaseDecreaseInAccountsPayable_83775F9291C18864B0FBFE6F7529AFB9_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsPayable_83775F9291C18864B0FBFE6F7529AFB9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Increase (Decrease) in Accounts Payable </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayable" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayable_83775F9291C18864B0FBFE6F7529AFB9" xlink:type="locator"/>
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<link:label id="lab_us-gaap_IncreaseDecreaseInDeferredRevenue_F65B6FE9BE07FB172825FE6F7529FC91_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInDeferredRevenue_F65B6FE9BE07FB172825FE6F7529FC91" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Deferred revenue </link:label>
<link:label id="lab_us-gaap_IncreaseDecreaseInDeferredRevenue_F65B6FE9BE07FB172825FE6F7529FC91_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInDeferredRevenue_F65B6FE9BE07FB172825FE6F7529FC91" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Increase (Decrease) in Deferred Revenue </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInDeferredRevenue" xlink:label="loc_us-gaap_IncreaseDecreaseInDeferredRevenue_F65B6FE9BE07FB172825FE6F7529FC91" xlink:type="locator"/>
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<link:label id="lab_us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities_9DDF96E45CB46F1ABD87FE6F75293A2C_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities_9DDF96E45CB46F1ABD87FE6F75293A2C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accrued payroll and employee benefits </link:label>
<link:label id="lab_us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities_9DDF96E45CB46F1ABD87FE6F75293A2C_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities_9DDF96E45CB46F1ABD87FE6F75293A2C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Increase (Decrease) in Employee Related Liabilities </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities" xlink:label="loc_us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities_9DDF96E45CB46F1ABD87FE6F75293A2C" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities_9DDF96E45CB46F1ABD87FE6F75293A2C" xlink:to="lab_us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities_9DDF96E45CB46F1ABD87FE6F75293A2C" xlink:type="arc"/>
<link:label id="lab_us-gaap_IncreaseDecreaseInOtherAccruedLiabilities_1F19FF3A81A275FEF363FE6F752A577E_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOtherAccruedLiabilities_1F19FF3A81A275FEF363FE6F752A577E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other current liabilities </link:label>
<link:label id="lab_us-gaap_IncreaseDecreaseInOtherAccruedLiabilities_1F19FF3A81A275FEF363FE6F752A577E_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOtherAccruedLiabilities_1F19FF3A81A275FEF363FE6F752A577E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Increase (Decrease) in Other Accrued Liabilities </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInOtherAccruedLiabilities" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherAccruedLiabilities_1F19FF3A81A275FEF363FE6F752A577E" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInOtherAccruedLiabilities_1F19FF3A81A275FEF363FE6F752A577E" xlink:to="lab_us-gaap_IncreaseDecreaseInOtherAccruedLiabilities_1F19FF3A81A275FEF363FE6F752A577E" xlink:type="arc"/>
<link:label id="lab_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_9B42916F19A840A41867FE6F752A41E1_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_9B42916F19A840A41867FE6F752A41E1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other liabilities </link:label>
<link:label id="lab_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_9B42916F19A840A41867FE6F752A41E1_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_9B42916F19A840A41867FE6F752A41E1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Increase (Decrease) in Other Operating Liabilities </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingLiabilities" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_9B42916F19A840A41867FE6F752A41E1" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_9B42916F19A840A41867FE6F752A41E1" xlink:to="lab_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_9B42916F19A840A41867FE6F752A41E1" xlink:type="arc"/>
<link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_FDD9CC4AE87FE75E6F0BFE6F752A5DD3_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_FDD9CC4AE87FE75E6F0BFE6F752A5DD3" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Net cash provided by operating activities </link:label>
<link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_FDD9CC4AE87FE75E6F0BFE6F752A5DD3_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_FDD9CC4AE87FE75E6F0BFE6F752A5DD3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net Cash Provided by (Used in) Operating Activities </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_FDD9CC4AE87FE75E6F0BFE6F752A5DD3" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_FDD9CC4AE87FE75E6F0BFE6F752A5DD3" xlink:to="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_FDD9CC4AE87FE75E6F0BFE6F752A5DD3" xlink:type="arc"/>
<link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_90A3A7487FF160E264BEFE6F752AEB88_terseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_90A3A7487FF160E264BEFE6F752AEB88" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> CASH FLOWS FROM INVESTING ACTIVITIES: </link:label>
<link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_90A3A7487FF160E264BEFE6F752AEB88_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_90A3A7487FF160E264BEFE6F752AEB88" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net Cash Provided by (Used in) Investing Activities [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_90A3A7487FF160E264BEFE6F752AEB88" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_90A3A7487FF160E264BEFE6F752AEB88" xlink:to="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_90A3A7487FF160E264BEFE6F752AEB88" xlink:type="arc"/>
<link:label id="lab_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_4CDACEED82FD3A27922DFE6F752A8A84_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_4CDACEED82FD3A27922DFE6F752A8A84" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Proceeds from the sale of property, plant, and equipment </link:label>
<link:label id="lab_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_4CDACEED82FD3A27922DFE6F752A8A84_label_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_4CDACEED82FD3A27922DFE6F752A8A84" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Proceeds from Sale of Property, Plant, and Equipment </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment" xlink:label="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_4CDACEED82FD3A27922DFE6F752A8A84" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_4CDACEED82FD3A27922DFE6F752A8A84" xlink:to="lab_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_4CDACEED82FD3A27922DFE6F752A8A84" xlink:type="arc"/>
<link:label id="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_6F74F5D31AA4889F3101FE6F752A8B66_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_6F74F5D31AA4889F3101FE6F752A8B66" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Capital expenditures on property, plant, and equipment </link:label>
<link:label id="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_6F74F5D31AA4889F3101FE6F752A8B66_label_en-US" xlink:label="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_6F74F5D31AA4889F3101FE6F752A8B66" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Payments to Acquire Property, Plant, and Equipment </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_6F74F5D31AA4889F3101FE6F752A8B66" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_6F74F5D31AA4889F3101FE6F752A8B66" xlink:to="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_6F74F5D31AA4889F3101FE6F752A8B66" xlink:type="arc"/>
<link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_80B30C11942E69C5CD85FE6F752AB64D_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_80B30C11942E69C5CD85FE6F752AB64D" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Net cash used by investing activities </link:label>
<link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_80B30C11942E69C5CD85FE6F752AB64D_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_80B30C11942E69C5CD85FE6F752AB64D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net Cash Provided by (Used in) Investing Activities </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_80B30C11942E69C5CD85FE6F752AB64D" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_80B30C11942E69C5CD85FE6F752AB64D" xlink:to="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_80B30C11942E69C5CD85FE6F752AB64D" xlink:type="arc"/>
<link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_E7281B1EC107D30DC5D7FE6F752AC6B8_terseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_E7281B1EC107D30DC5D7FE6F752AC6B8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> CASH FLOWS FROM FINANCING ACTIVITIES: </link:label>
<link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_E7281B1EC107D30DC5D7FE6F752AC6B8_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_E7281B1EC107D30DC5D7FE6F752AC6B8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net Cash Provided by (Used in) Financing Activities [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_E7281B1EC107D30DC5D7FE6F752AC6B8" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_E7281B1EC107D30DC5D7FE6F752AC6B8" xlink:to="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_E7281B1EC107D30DC5D7FE6F752AC6B8" xlink:type="arc"/>
<link:label id="lab_us-gaap_RepaymentsOfOtherLongTermDebt_43757AAC517037DDC438FE6F752ACABD_negatedLabel_en-US" xlink:label="lab_us-gaap_RepaymentsOfOtherLongTermDebt_43757AAC517037DDC438FE6F752ACABD" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Repayments of debt </link:label>
<link:label id="lab_us-gaap_RepaymentsOfOtherLongTermDebt_43757AAC517037DDC438FE6F752ACABD_label_en-US" xlink:label="lab_us-gaap_RepaymentsOfOtherLongTermDebt_43757AAC517037DDC438FE6F752ACABD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Repayments of Other Long-term Debt </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RepaymentsOfOtherLongTermDebt" xlink:label="loc_us-gaap_RepaymentsOfOtherLongTermDebt_43757AAC517037DDC438FE6F752ACABD" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RepaymentsOfOtherLongTermDebt_43757AAC517037DDC438FE6F752ACABD" xlink:to="lab_us-gaap_RepaymentsOfOtherLongTermDebt_43757AAC517037DDC438FE6F752ACABD" xlink:type="arc"/>
<link:label id="lab_us-gaap_ProceedsFromIssuanceOfOtherLongTermDebt_47265A77DE17B80DAE44FE6F752AEF8E_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromIssuanceOfOtherLongTermDebt_47265A77DE17B80DAE44FE6F752AEF8E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Proceeds from debt </link:label>
<link:label id="lab_us-gaap_ProceedsFromIssuanceOfOtherLongTermDebt_47265A77DE17B80DAE44FE6F752AEF8E_label_en-US" xlink:label="lab_us-gaap_ProceedsFromIssuanceOfOtherLongTermDebt_47265A77DE17B80DAE44FE6F752AEF8E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Proceeds from Issuance of Other Long-term Debt </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProceedsFromIssuanceOfOtherLongTermDebt" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfOtherLongTermDebt_47265A77DE17B80DAE44FE6F752AEF8E" xlink:type="locator"/>
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<link:label id="lab_us-gaap_PaymentsForRepurchaseOfCommonStock_15BEE19DBE7BDDA1E9EBFE6F752A5456_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsForRepurchaseOfCommonStock_15BEE19DBE7BDDA1E9EBFE6F752A5456" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Treasury stock acquisitions </link:label>
<link:label id="lab_us-gaap_PaymentsForRepurchaseOfCommonStock_15BEE19DBE7BDDA1E9EBFE6F752A5456_label_en-US" xlink:label="lab_us-gaap_PaymentsForRepurchaseOfCommonStock_15BEE19DBE7BDDA1E9EBFE6F752A5456" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Payments for Repurchase of Common Stock </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_15BEE19DBE7BDDA1E9EBFE6F752A5456" xlink:type="locator"/>
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<link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_E466AEB7E9828AD6CAC8FE6F752AD815_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_E466AEB7E9828AD6CAC8FE6F752AD815" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Net cash used by financing activities </link:label>
<link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_E466AEB7E9828AD6CAC8FE6F752AD815_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_E466AEB7E9828AD6CAC8FE6F752AD815" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net Cash Provided by (Used in) Financing Activities </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_E466AEB7E9828AD6CAC8FE6F752AD815" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_E466AEB7E9828AD6CAC8FE6F752AD815" xlink:to="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_E466AEB7E9828AD6CAC8FE6F752AD815" xlink:type="arc"/>
<link:label id="lab_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_FDE07307E2B4A3FFBA29FE6F752A0AEF_terseLabel_en-US" xlink:label="lab_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_FDE07307E2B4A3FFBA29FE6F752A0AEF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Effect of exchange rate changes on cash and cash equivalents </link:label>
<link:label id="lab_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_FDE07307E2B4A3FFBA29FE6F752A0AEF_label_en-US" xlink:label="lab_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_FDE07307E2B4A3FFBA29FE6F752A0AEF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Effect of Exchange Rate on Cash and Cash Equivalents </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_FDE07307E2B4A3FFBA29FE6F752A0AEF" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_FDE07307E2B4A3FFBA29FE6F752A0AEF" xlink:to="lab_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_FDE07307E2B4A3FFBA29FE6F752A0AEF" xlink:type="arc"/>
<link:label id="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_ED06B35351BFF293C567FE6F752AFD03_totalLabel_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_ED06B35351BFF293C567FE6F752AFD03" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Net (decrease) increase in cash and cash equivalents </link:label>
<link:label id="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_ED06B35351BFF293C567FE6F752AFD03_label_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_ED06B35351BFF293C567FE6F752AFD03" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cash and Cash Equivalents, Period Increase (Decrease) </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:label="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_ED06B35351BFF293C567FE6F752AFD03" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_ED06B35351BFF293C567FE6F752AFD03" xlink:to="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_ED06B35351BFF293C567FE6F752AFD03" xlink:type="arc"/>
<link:label id="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_191F6F2012852FAF688CFE6F752A0881_periodStartLabel_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_191F6F2012852FAF688CFE6F752A0881" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US"> Cash and cash equivalents at beginning of period </link:label>
<link:label id="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_191F6F2012852FAF688CFE6F752A0881_label_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_191F6F2012852FAF688CFE6F752A0881" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cash and Cash Equivalents, at Carrying Value </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_191F6F2012852FAF688CFE6F752A0881" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_191F6F2012852FAF688CFE6F752A0881" xlink:to="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_191F6F2012852FAF688CFE6F752A0881" xlink:type="arc"/>
<link:label id="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_6C8977F033FAE1C80299FE6F752B5EA8_periodEndLabel_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_6C8977F033FAE1C80299FE6F752B5EA8" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US"> Cash and cash equivalents at end of period </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_6C8977F033FAE1C80299FE6F752B5EA8" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_6C8977F033FAE1C80299FE6F752B5EA8" xlink:to="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_6C8977F033FAE1C80299FE6F752B5EA8" xlink:type="arc"/>
<link:label id="lab_us-gaap_SupplementalCashFlowInformationAbstract_F5939607896ADBF206B4FE6F752B1CB3_terseLabel_en-US" xlink:label="lab_us-gaap_SupplementalCashFlowInformationAbstract_F5939607896ADBF206B4FE6F752B1CB3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Supplemental disclosure of cash flow information: </link:label>
<link:label id="lab_us-gaap_SupplementalCashFlowInformationAbstract_F5939607896ADBF206B4FE6F752B1CB3_label_en-US" xlink:label="lab_us-gaap_SupplementalCashFlowInformationAbstract_F5939607896ADBF206B4FE6F752B1CB3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Supplemental Cash Flow Information [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SupplementalCashFlowInformationAbstract" xlink:label="loc_us-gaap_SupplementalCashFlowInformationAbstract_F5939607896ADBF206B4FE6F752B1CB3" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SupplementalCashFlowInformationAbstract_F5939607896ADBF206B4FE6F752B1CB3" xlink:to="lab_us-gaap_SupplementalCashFlowInformationAbstract_F5939607896ADBF206B4FE6F752B1CB3" xlink:type="arc"/>
<link:label id="lab_us-gaap_InterestPaid_449AF56A36E9A041AA48FE6F752BA5EB_terseLabel_en-US" xlink:label="lab_us-gaap_InterestPaid_449AF56A36E9A041AA48FE6F752BA5EB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Interest paid </link:label>
<link:label id="lab_us-gaap_InterestPaid_449AF56A36E9A041AA48FE6F752BA5EB_label_en-US" xlink:label="lab_us-gaap_InterestPaid_449AF56A36E9A041AA48FE6F752BA5EB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Interest Paid </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InterestPaid" xlink:label="loc_us-gaap_InterestPaid_449AF56A36E9A041AA48FE6F752BA5EB" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestPaid_449AF56A36E9A041AA48FE6F752BA5EB" xlink:to="lab_us-gaap_InterestPaid_449AF56A36E9A041AA48FE6F752BA5EB" xlink:type="arc"/>
<link:label id="lab_us-gaap_IncomeTaxesPaidNet_9D26263203C7D8CFF3F4FE6F752BF7A3_verboseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxesPaidNet_9D26263203C7D8CFF3F4FE6F752BF7A3" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Income taxes paid (received) </link:label>
<link:label id="lab_us-gaap_IncomeTaxesPaidNet_9D26263203C7D8CFF3F4FE6F752BF7A3_label_en-US" xlink:label="lab_us-gaap_IncomeTaxesPaidNet_9D26263203C7D8CFF3F4FE6F752BF7A3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income Taxes Paid, Net </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeTaxesPaidNet" xlink:label="loc_us-gaap_IncomeTaxesPaidNet_9D26263203C7D8CFF3F4FE6F752BF7A3" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeTaxesPaidNet_9D26263203C7D8CFF3F4FE6F752BF7A3" xlink:to="lab_us-gaap_IncomeTaxesPaidNet_9D26263203C7D8CFF3F4FE6F752BF7A3" xlink:type="arc"/>
<link:label id="lab_us-gaap_CapitalLeaseObligationsIncurred_60AB28C40F050432F996FE6F752B7C31_terseLabel_en-US" xlink:label="lab_us-gaap_CapitalLeaseObligationsIncurred_60AB28C40F050432F996FE6F752B7C31" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Capital expenditures funded through financing agreements </link:label>
<link:label id="lab_us-gaap_CapitalLeaseObligationsIncurred_60AB28C40F050432F996FE6F752B7C31_label_en-US" xlink:label="lab_us-gaap_CapitalLeaseObligationsIncurred_60AB28C40F050432F996FE6F752B7C31" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Capital Lease Obligations Incurred </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CapitalLeaseObligationsIncurred" xlink:label="loc_us-gaap_CapitalLeaseObligationsIncurred_60AB28C40F050432F996FE6F752B7C31" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CapitalLeaseObligationsIncurred_60AB28C40F050432F996FE6F752B7C31" xlink:to="lab_us-gaap_CapitalLeaseObligationsIncurred_60AB28C40F050432F996FE6F752B7C31" xlink:type="arc"/>
<link:label id="lab_us-gaap_InventoryFinishedGoods_9BA409F7F4AB947218002110172BAC30_terseLabel_en-US" xlink:label="lab_us-gaap_InventoryFinishedGoods_9BA409F7F4AB947218002110172BAC30" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Finished goods </link:label>
<link:label id="lab_us-gaap_InventoryFinishedGoods_9BA409F7F4AB947218002110172BAC30_label_en-US" xlink:label="lab_us-gaap_InventoryFinishedGoods_9BA409F7F4AB947218002110172BAC30" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Inventory, Finished Goods, Gross </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InventoryFinishedGoods" xlink:label="loc_us-gaap_InventoryFinishedGoods_9BA409F7F4AB947218002110172BAC30" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InventoryFinishedGoods_9BA409F7F4AB947218002110172BAC30" xlink:to="lab_us-gaap_InventoryFinishedGoods_9BA409F7F4AB947218002110172BAC30" xlink:type="arc"/>
<link:label id="lab_us-gaap_ContractWithCustomerAssetNet_F7ADEF2300FE2DA067E721101A431E8E_verboseLabel_en-US" xlink:label="lab_us-gaap_ContractWithCustomerAssetNet_F7ADEF2300FE2DA067E721101A431E8E" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Contract assets </link:label>
<link:label id="lab_us-gaap_ContractWithCustomerAssetNet_F7ADEF2300FE2DA067E721101A431E8E_label_en-US" xlink:label="lab_us-gaap_ContractWithCustomerAssetNet_F7ADEF2300FE2DA067E721101A431E8E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Contract with Customer, Asset, Net </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ContractWithCustomerAssetNet" xlink:label="loc_us-gaap_ContractWithCustomerAssetNet_F7ADEF2300FE2DA067E721101A431E8E" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ContractWithCustomerAssetNet_F7ADEF2300FE2DA067E721101A431E8E" xlink:to="lab_us-gaap_ContractWithCustomerAssetNet_F7ADEF2300FE2DA067E721101A431E8E" xlink:type="arc"/>
<link:label id="lab_us-gaap_InventoryWorkInProcess_A6367E2713F00E603F5E2110172BCD74_terseLabel_en-US" xlink:label="lab_us-gaap_InventoryWorkInProcess_A6367E2713F00E603F5E2110172BCD74" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Work-in-process </link:label>
<link:label id="lab_us-gaap_InventoryWorkInProcess_A6367E2713F00E603F5E2110172BCD74_label_en-US" xlink:label="lab_us-gaap_InventoryWorkInProcess_A6367E2713F00E603F5E2110172BCD74" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Inventory, Work in Process, Gross </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InventoryWorkInProcess" xlink:label="loc_us-gaap_InventoryWorkInProcess_A6367E2713F00E603F5E2110172BCD74" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InventoryWorkInProcess_A6367E2713F00E603F5E2110172BCD74" xlink:to="lab_us-gaap_InventoryWorkInProcess_A6367E2713F00E603F5E2110172BCD74" xlink:type="arc"/>
<link:label id="lab_us-gaap_InventoryRawMaterials_6210E8C8F95CFDA3F5F72110172B5F8F_terseLabel_en-US" xlink:label="lab_us-gaap_InventoryRawMaterials_6210E8C8F95CFDA3F5F72110172B5F8F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Raw materials </link:label>
<link:label id="lab_us-gaap_InventoryRawMaterials_6210E8C8F95CFDA3F5F72110172B5F8F_label_en-US" xlink:label="lab_us-gaap_InventoryRawMaterials_6210E8C8F95CFDA3F5F72110172B5F8F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Inventory, Raw Materials, Gross </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InventoryRawMaterials" xlink:label="loc_us-gaap_InventoryRawMaterials_6210E8C8F95CFDA3F5F72110172B5F8F" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InventoryRawMaterials_6210E8C8F95CFDA3F5F72110172B5F8F" xlink:to="lab_us-gaap_InventoryRawMaterials_6210E8C8F95CFDA3F5F72110172B5F8F" xlink:type="arc"/>
<link:label id="lab_us-gaap_InventoryGross_940DBBE6BF831182DA452110172B0117_totalLabel_en-US" xlink:label="lab_us-gaap_InventoryGross_940DBBE6BF831182DA452110172B0117" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total inventories at current costs </link:label>
<link:label id="lab_us-gaap_InventoryGross_940DBBE6BF831182DA452110172B0117_label_en-US" xlink:label="lab_us-gaap_InventoryGross_940DBBE6BF831182DA452110172B0117" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Inventory, Gross </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InventoryGross" xlink:label="loc_us-gaap_InventoryGross_940DBBE6BF831182DA452110172B0117" xlink:type="locator"/>
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<link:label id="lab_us-gaap_InventoryLIFOReserve_2A6A4CA86342F2CE5EAE2110172B98FB_negatedLabel_en-US" xlink:label="lab_us-gaap_InventoryLIFOReserve_2A6A4CA86342F2CE5EAE2110172B98FB" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Less: LIFO reserve </link:label>
<link:label id="lab_us-gaap_InventoryLIFOReserve_2A6A4CA86342F2CE5EAE2110172B98FB_label_en-US" xlink:label="lab_us-gaap_InventoryLIFOReserve_2A6A4CA86342F2CE5EAE2110172B98FB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Inventory, LIFO Reserve </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InventoryLIFOReserve" xlink:label="loc_us-gaap_InventoryLIFOReserve_2A6A4CA86342F2CE5EAE2110172B98FB" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InventoryLIFOReserve_2A6A4CA86342F2CE5EAE2110172B98FB" xlink:to="lab_us-gaap_InventoryLIFOReserve_2A6A4CA86342F2CE5EAE2110172B98FB" xlink:type="arc"/>
<link:label id="lab_us-gaap_InventoryNet_06E89D94D5E2609E0F6A2110172BCFA4_totalLabel_en-US" xlink:label="lab_us-gaap_InventoryNet_06E89D94D5E2609E0F6A2110172BCFA4" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Inventory </link:label>
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<link:label id="lab_us-gaap_InventoryNet_CFCE6681E0F614693F85CEE30A1B6CE1_terseLabel_en-US" xlink:label="lab_us-gaap_InventoryNet_CFCE6681E0F614693F85CEE30A1B6CE1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Inventories - net </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InventoryNet" xlink:label="loc_us-gaap_InventoryNet_CFCE6681E0F614693F85CEE30A1B6CE1" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InventoryNet_CFCE6681E0F614693F85CEE30A1B6CE1" xlink:to="lab_us-gaap_InventoryNet_CFCE6681E0F614693F85CEE30A1B6CE1" xlink:type="arc"/>
<link:label id="lab_us-gaap_PrepaidTaxes_4E2D23A1538FA49370FFCEE30A1B7097_terseLabel_en-US" xlink:label="lab_us-gaap_PrepaidTaxes_4E2D23A1538FA49370FFCEE30A1B7097" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Prepaid income tax </link:label>
<link:label id="lab_us-gaap_PrepaidTaxes_4E2D23A1538FA49370FFCEE30A1B7097_label_en-US" xlink:label="lab_us-gaap_PrepaidTaxes_4E2D23A1538FA49370FFCEE30A1B7097" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Prepaid Taxes </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PrepaidTaxes" xlink:label="loc_us-gaap_PrepaidTaxes_4E2D23A1538FA49370FFCEE30A1B7097" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PrepaidTaxes_4E2D23A1538FA49370FFCEE30A1B7097" xlink:to="lab_us-gaap_PrepaidTaxes_4E2D23A1538FA49370FFCEE30A1B7097" xlink:type="arc"/>
<link:label id="lab_us-gaap_OtherAssetsCurrent_A7FD2B0FB6EAD61C7B78CEE30A1B0154_terseLabel_en-US" xlink:label="lab_us-gaap_OtherAssetsCurrent_A7FD2B0FB6EAD61C7B78CEE30A1B0154" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other current assets </link:label>
<link:label id="lab_us-gaap_OtherAssetsCurrent_A7FD2B0FB6EAD61C7B78CEE30A1B0154_label_en-US" xlink:label="lab_us-gaap_OtherAssetsCurrent_A7FD2B0FB6EAD61C7B78CEE30A1B0154" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Assets, Current </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherAssetsCurrent" xlink:label="loc_us-gaap_OtherAssetsCurrent_A7FD2B0FB6EAD61C7B78CEE30A1B0154" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherAssetsCurrent_A7FD2B0FB6EAD61C7B78CEE30A1B0154" xlink:to="lab_us-gaap_OtherAssetsCurrent_A7FD2B0FB6EAD61C7B78CEE30A1B0154" xlink:type="arc"/>
<link:label id="lab_us-gaap_AssetsCurrent_B59E1760B46A5A81A60ECEE30A1C38D9_totalLabel_en-US" xlink:label="lab_us-gaap_AssetsCurrent_B59E1760B46A5A81A60ECEE30A1C38D9" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total current assets </link:label>
<link:label id="lab_us-gaap_AssetsCurrent_B59E1760B46A5A81A60ECEE30A1C38D9_label_en-US" xlink:label="lab_us-gaap_AssetsCurrent_B59E1760B46A5A81A60ECEE30A1C38D9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Assets, Current </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="loc_us-gaap_AssetsCurrent_B59E1760B46A5A81A60ECEE30A1C38D9" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AssetsCurrent_B59E1760B46A5A81A60ECEE30A1C38D9" xlink:to="lab_us-gaap_AssetsCurrent_B59E1760B46A5A81A60ECEE30A1C38D9" xlink:type="arc"/>
<link:label id="lab_us-gaap_PropertyPlantAndEquipmentNet_B84730A79BB2445FCE89CEE30A1CD329_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentNet_B84730A79BB2445FCE89CEE30A1CD329" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Property, plant, and equipment - net </link:label>
<link:label id="lab_us-gaap_PropertyPlantAndEquipmentNet_B84730A79BB2445FCE89CEE30A1CD329_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentNet_B84730A79BB2445FCE89CEE30A1CD329" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Property, Plant and Equipment, Net </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_B84730A79BB2445FCE89CEE30A1CD329" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentNet_B84730A79BB2445FCE89CEE30A1CD329" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentNet_B84730A79BB2445FCE89CEE30A1CD329" xlink:type="arc"/>
<link:label id="lab_us-gaap_OtherAssetsNoncurrentAbstract_D67B8FB04C41A4041A98CEE30A1CB038_terseLabel_en-US" xlink:label="lab_us-gaap_OtherAssetsNoncurrentAbstract_D67B8FB04C41A4041A98CEE30A1CB038" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other assets: </link:label>
<link:label id="lab_us-gaap_OtherAssetsNoncurrentAbstract_D67B8FB04C41A4041A98CEE30A1CB038_label_en-US" xlink:label="lab_us-gaap_OtherAssetsNoncurrentAbstract_D67B8FB04C41A4041A98CEE30A1CB038" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Assets, Noncurrent [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherAssetsNoncurrentAbstract" xlink:label="loc_us-gaap_OtherAssetsNoncurrentAbstract_D67B8FB04C41A4041A98CEE30A1CB038" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherAssetsNoncurrentAbstract_D67B8FB04C41A4041A98CEE30A1CB038" xlink:to="lab_us-gaap_OtherAssetsNoncurrentAbstract_D67B8FB04C41A4041A98CEE30A1CB038" xlink:type="arc"/>
<link:label id="lab_us-gaap_Goodwill_8C0782AF6CB32CFA124BCEE30A1C7BFA_terseLabel_en-US" xlink:label="lab_us-gaap_Goodwill_8C0782AF6CB32CFA124BCEE30A1C7BFA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Goodwill </link:label>
<link:label id="lab_us-gaap_Goodwill_8C0782AF6CB32CFA124BCEE30A1C7BFA_label_en-US" xlink:label="lab_us-gaap_Goodwill_8C0782AF6CB32CFA124BCEE30A1C7BFA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Goodwill </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_8C0782AF6CB32CFA124BCEE30A1C7BFA" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_Goodwill_8C0782AF6CB32CFA124BCEE30A1C7BFA" xlink:to="lab_us-gaap_Goodwill_8C0782AF6CB32CFA124BCEE30A1C7BFA" xlink:type="arc"/>
<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsNet_505386924C1B36317C86CEE30A1CE8FC_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsNet_505386924C1B36317C86CEE30A1CE8FC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other intangibles - net </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNet" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_505386924C1B36317C86CEE30A1CE8FC" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_505386924C1B36317C86CEE30A1CE8FC" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsNet_505386924C1B36317C86CEE30A1CE8FC" xlink:type="arc"/>
<link:label id="lab_us-gaap_EquityMethodInvestments_5D28B19D8D0020EFF483CEE30A1C84FC_terseLabel_en-US" xlink:label="lab_us-gaap_EquityMethodInvestments_5D28B19D8D0020EFF483CEE30A1C84FC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Investments </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EquityMethodInvestments" xlink:label="loc_us-gaap_EquityMethodInvestments_5D28B19D8D0020EFF483CEE30A1C84FC" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EquityMethodInvestments_5D28B19D8D0020EFF483CEE30A1C84FC" xlink:to="lab_us-gaap_EquityMethodInvestments_5D28B19D8D0020EFF483CEE30A1C84FC" xlink:type="arc"/>
<link:label id="lab_us-gaap_OtherAssetsNoncurrent_A3F03457201D05391E9CCEE30A1CFDF4_terseLabel_en-US" xlink:label="lab_us-gaap_OtherAssetsNoncurrent_A3F03457201D05391E9CCEE30A1CFDF4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other assets </link:label>
<link:label id="lab_us-gaap_OtherAssetsNoncurrent_A3F03457201D05391E9CCEE30A1CFDF4_label_en-US" xlink:label="lab_us-gaap_OtherAssetsNoncurrent_A3F03457201D05391E9CCEE30A1CFDF4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Assets, Noncurrent </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_A3F03457201D05391E9CCEE30A1CFDF4" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherAssetsNoncurrent_A3F03457201D05391E9CCEE30A1CFDF4" xlink:to="lab_us-gaap_OtherAssetsNoncurrent_A3F03457201D05391E9CCEE30A1CFDF4" xlink:type="arc"/>
<link:label id="lab_us-gaap_Assets_DBAAA37742B343A18B08CEE30A1CA340_totalLabel_en-US" xlink:label="lab_us-gaap_Assets_DBAAA37742B343A18B08CEE30A1CA340" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total assets </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Assets" xlink:label="loc_us-gaap_Assets_DBAAA37742B343A18B08CEE30A1CA340" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_Assets_DBAAA37742B343A18B08CEE30A1CA340" xlink:to="lab_us-gaap_Assets_DBAAA37742B343A18B08CEE30A1CA340" xlink:type="arc"/>
<link:label id="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract_212F33885F2DCB8B993CCEE30A1C7DB9_terseLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract_212F33885F2DCB8B993CCEE30A1C7DB9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> LIABILITIES AND STOCKHOLDERS' EQUITY </link:label>
<link:label id="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract_212F33885F2DCB8B993CCEE30A1C7DB9_label_en-US" xlink:label="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract_212F33885F2DCB8B993CCEE30A1C7DB9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Liabilities and Equity [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_212F33885F2DCB8B993CCEE30A1C7DB9" xlink:type="locator"/>
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<link:label id="lab_us-gaap_LiabilitiesCurrentAbstract_5407ACFBDCA2BEC25AAACEE30A1C25DD_terseLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesCurrentAbstract_5407ACFBDCA2BEC25AAACEE30A1C25DD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Current liabilities: </link:label>
<link:label id="lab_us-gaap_LiabilitiesCurrentAbstract_5407ACFBDCA2BEC25AAACEE30A1C25DD_label_en-US" xlink:label="lab_us-gaap_LiabilitiesCurrentAbstract_5407ACFBDCA2BEC25AAACEE30A1C25DD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Liabilities, Current [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LiabilitiesCurrentAbstract" xlink:label="loc_us-gaap_LiabilitiesCurrentAbstract_5407ACFBDCA2BEC25AAACEE30A1C25DD" xlink:type="locator"/>
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<link:label id="lab_us-gaap_AccountsPayableCurrent_8724D6AAA6A358634520CEE30A1C4E91_terseLabel_en-US" xlink:label="lab_us-gaap_AccountsPayableCurrent_8724D6AAA6A358634520CEE30A1C4E91" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accounts payable </link:label>
<link:label id="lab_us-gaap_AccountsPayableCurrent_8724D6AAA6A358634520CEE30A1C4E91_label_en-US" xlink:label="lab_us-gaap_AccountsPayableCurrent_8724D6AAA6A358634520CEE30A1C4E91" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accounts Payable, Current </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccountsPayableCurrent" xlink:label="loc_us-gaap_AccountsPayableCurrent_8724D6AAA6A358634520CEE30A1C4E91" xlink:type="locator"/>
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<link:label id="lab_us-gaap_DeferredRevenueCurrent_BAAB60A7D1440974C90ECEE30A1C6D0C_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredRevenueCurrent_BAAB60A7D1440974C90ECEE30A1C6D0C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Deferred revenue </link:label>
<link:label id="lab_us-gaap_DeferredRevenueCurrent_BAAB60A7D1440974C90ECEE30A1C6D0C_label_en-US" xlink:label="lab_us-gaap_DeferredRevenueCurrent_BAAB60A7D1440974C90ECEE30A1C6D0C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Deferred Revenue, Current </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredRevenueCurrent" xlink:label="loc_us-gaap_DeferredRevenueCurrent_BAAB60A7D1440974C90ECEE30A1C6D0C" xlink:type="locator"/>
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<link:label id="lab_us-gaap_EmployeeRelatedLiabilitiesCurrent_DDCF1E346C3E05D8D4D3CEE30A1CE11D_terseLabel_en-US" xlink:label="lab_us-gaap_EmployeeRelatedLiabilitiesCurrent_DDCF1E346C3E05D8D4D3CEE30A1CE11D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accrued payroll and employee benefits </link:label>
<link:label id="lab_us-gaap_EmployeeRelatedLiabilitiesCurrent_DDCF1E346C3E05D8D4D3CEE30A1CE11D_label_en-US" xlink:label="lab_us-gaap_EmployeeRelatedLiabilitiesCurrent_DDCF1E346C3E05D8D4D3CEE30A1CE11D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Employee-related Liabilities, Current </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EmployeeRelatedLiabilitiesCurrent" xlink:label="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_DDCF1E346C3E05D8D4D3CEE30A1CE11D" xlink:type="locator"/>
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<link:label id="lab_us-gaap_StandardProductWarrantyAccrual_25F1E8620F264BED3B43CEE30A1C7BF0_terseLabel_en-US" xlink:label="lab_us-gaap_StandardProductWarrantyAccrual_25F1E8620F264BED3B43CEE30A1C7BF0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accrued warranty </link:label>
<link:label id="lab_us-gaap_StandardProductWarrantyAccrual_25F1E8620F264BED3B43CEE30A1C7BF0_label_en-US" xlink:label="lab_us-gaap_StandardProductWarrantyAccrual_25F1E8620F264BED3B43CEE30A1C7BF0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Standard Product Warranty Accrual </link:label>
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<link:label id="lab_us-gaap_AccruedLiabilitiesCurrent_E19603AE3C3C67A3D6DCCEE30A1DCC0C_terseLabel_en-US" xlink:label="lab_us-gaap_AccruedLiabilitiesCurrent_E19603AE3C3C67A3D6DCCEE30A1DCC0C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other accrued liabilities </link:label>
<link:label id="lab_us-gaap_AccruedLiabilitiesCurrent_E19603AE3C3C67A3D6DCCEE30A1DCC0C_label_en-US" xlink:label="lab_us-gaap_AccruedLiabilitiesCurrent_E19603AE3C3C67A3D6DCCEE30A1DCC0C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accrued Liabilities, Current </link:label>
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<link:label id="lab_us-gaap_LiabilitiesCurrent_DA1D9F9D3B4C61AD5883CEE30A1DB1A0_totalLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesCurrent_DA1D9F9D3B4C61AD5883CEE30A1DB1A0" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total current liabilities </link:label>
<link:label id="lab_us-gaap_LiabilitiesCurrent_DA1D9F9D3B4C61AD5883CEE30A1DB1A0_label_en-US" xlink:label="lab_us-gaap_LiabilitiesCurrent_DA1D9F9D3B4C61AD5883CEE30A1DB1A0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Liabilities, Current </link:label>
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<link:label id="lab_us-gaap_DeferredTaxLiabilitiesNoncurrent_5D25960FAD52E7F467FFCEE30A1DEF1A_verboseLabel_en-US" xlink:label="lab_us-gaap_DeferredTaxLiabilitiesNoncurrent_5D25960FAD52E7F467FFCEE30A1DEF1A" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Deferred tax liabilities </link:label>
<link:label id="lab_us-gaap_DeferredTaxLiabilitiesNoncurrent_5D25960FAD52E7F467FFCEE30A1DEF1A_label_en-US" xlink:label="lab_us-gaap_DeferredTaxLiabilitiesNoncurrent_5D25960FAD52E7F467FFCEE30A1DEF1A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Deferred Tax Liabilities, Net, Noncurrent </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredTaxLiabilitiesNoncurrent" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesNoncurrent_5D25960FAD52E7F467FFCEE30A1DEF1A" xlink:type="locator"/>
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<link:label id="lab_us-gaap_OtherLiabilitiesNoncurrent_86E3D0D6EB6DEAEFC8DBCEE30A1D11AF_verboseLabel_en-US" xlink:label="lab_us-gaap_OtherLiabilitiesNoncurrent_86E3D0D6EB6DEAEFC8DBCEE30A1D11AF" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Other long-term liabilities </link:label>
<link:label id="lab_us-gaap_OtherLiabilitiesNoncurrent_86E3D0D6EB6DEAEFC8DBCEE30A1D11AF_label_en-US" xlink:label="lab_us-gaap_OtherLiabilitiesNoncurrent_86E3D0D6EB6DEAEFC8DBCEE30A1D11AF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Liabilities, Noncurrent </link:label>
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<link:label id="lab_us-gaap_StockholdersEquityAbstract_F81539B6BCDF012ACE49CEE30A1D4375_terseLabel_en-US" xlink:label="lab_us-gaap_StockholdersEquityAbstract_F81539B6BCDF012ACE49CEE30A1D4375" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Stockholders' equity: </link:label>
<link:label id="lab_us-gaap_StockholdersEquityAbstract_F81539B6BCDF012ACE49CEE30A1D4375_label_en-US" xlink:label="lab_us-gaap_StockholdersEquityAbstract_F81539B6BCDF012ACE49CEE30A1D4375" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Stockholders' Equity Attributable to Parent [Abstract] </link:label>
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<link:label id="lab_us-gaap_CommonStockValue_6BFFEBDB14DBC0833C97CEE30A1DC44D_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockValue_6BFFEBDB14DBC0833C97CEE30A1DC44D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Common stock, par value $0.01, authorized 20,000,000 shares; shares issued at March 31, 2018 and December 31, 2017, 11,115,779; shares outstanding at March 31, 2018 and December 31, 2017, 10,365,345 and 10,340,576, respectively </link:label>
<link:label id="lab_us-gaap_CommonStockValue_6BFFEBDB14DBC0833C97CEE30A1DC44D_label_en-US" xlink:label="lab_us-gaap_CommonStockValue_6BFFEBDB14DBC0833C97CEE30A1DC44D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Common Stock, Value, Issued </link:label>
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<link:label id="lab_us-gaap_AdditionalPaidInCapital_CC68B2BFA66B839D0ACACEE30A1DD199_terseLabel_en-US" xlink:label="lab_us-gaap_AdditionalPaidInCapital_CC68B2BFA66B839D0ACACEE30A1DD199" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Paid-in capital </link:label>
<link:label id="lab_us-gaap_AdditionalPaidInCapital_CC68B2BFA66B839D0ACACEE30A1DD199_label_en-US" xlink:label="lab_us-gaap_AdditionalPaidInCapital_CC68B2BFA66B839D0ACACEE30A1DD199" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Additional Paid in Capital </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AdditionalPaidInCapital" xlink:label="loc_us-gaap_AdditionalPaidInCapital_CC68B2BFA66B839D0ACACEE30A1DD199" xlink:type="locator"/>
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<link:label id="lab_us-gaap_RetainedEarningsAccumulatedDeficit_375560146C640B0B8868CEE30A1DA166_terseLabel_en-US" xlink:label="lab_us-gaap_RetainedEarningsAccumulatedDeficit_375560146C640B0B8868CEE30A1DA166" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Retained earnings </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_375560146C640B0B8868CEE30A1DA166" xlink:type="locator"/>
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<link:label id="lab_us-gaap_TreasuryStockValue_69FB5256A4F3152E48D5CEE30A1DA7E3_negatedLabel_en-US" xlink:label="lab_us-gaap_TreasuryStockValue_69FB5256A4F3152E48D5CEE30A1DA7E3" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Treasury stock - at cost, common stock, shares at March 31, 2018 and December 31, 2017, 750,434 and 775,203, respectively </link:label>
<link:label id="lab_us-gaap_TreasuryStockValue_69FB5256A4F3152E48D5CEE30A1DA7E3_label_en-US" xlink:label="lab_us-gaap_TreasuryStockValue_69FB5256A4F3152E48D5CEE30A1DA7E3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Treasury Stock, Value </link:label>
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<link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_7D8965B0378C293FDEFFCEE30A1D2E7F_terseLabel_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_7D8965B0378C293FDEFFCEE30A1D2E7F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accumulated other comprehensive loss </link:label>
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<link:label id="lab_us-gaap_StockholdersEquity_A7B552C835154994CA49CEE30A1D9D80_totalLabel_en-US" xlink:label="lab_us-gaap_StockholdersEquity_A7B552C835154994CA49CEE30A1D9D80" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total stockholders' equity </link:label>
<link:label id="lab_us-gaap_StockholdersEquity_A7B552C835154994CA49CEE30A1D9D80_label_en-US" xlink:label="lab_us-gaap_StockholdersEquity_A7B552C835154994CA49CEE30A1D9D80" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Stockholders' Equity Attributable to Parent </link:label>
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<link:label id="lab_us-gaap_TransferredAtPointInTimeMember_140F284C7E3038566445BA2FE8568EE6_label_en-US" xlink:label="lab_us-gaap_TransferredAtPointInTimeMember_140F284C7E3038566445BA2FE8568EE6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Transferred at Point in Time [Member] </link:label>
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<link:label id="lab_us-gaap_TransferredOverTimeMember_DAA29B46B6F6C0FDD2C4BA2FE8582064_terseLabel_en-US" xlink:label="lab_us-gaap_TransferredOverTimeMember_DAA29B46B6F6C0FDD2C4BA2FE8582064" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Over time </link:label>
<link:label id="lab_us-gaap_TransferredOverTimeMember_DAA29B46B6F6C0FDD2C4BA2FE8582064_label_en-US" xlink:label="lab_us-gaap_TransferredOverTimeMember_DAA29B46B6F6C0FDD2C4BA2FE8582064" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Transferred over Time [Member] </link:label>
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<link:label id="lab_us-gaap_DisaggregationOfRevenueLineItems_2E76980348530B113FA4BA2FE8585208_terseLabel_en-US" xlink:label="lab_us-gaap_DisaggregationOfRevenueLineItems_2E76980348530B113FA4BA2FE8585208" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Disaggregation of Revenue </link:label>
<link:label id="lab_us-gaap_DisaggregationOfRevenueLineItems_2E76980348530B113FA4BA2FE8585208_label_en-US" xlink:label="lab_us-gaap_DisaggregationOfRevenueLineItems_2E76980348530B113FA4BA2FE8585208" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disaggregation of Revenue [Line Items] </link:label>
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<link:label id="lab_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax_E53C72065E4B53DC92D8BA7614B880E7_verboseLabel_en-US" xlink:label="lab_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax_E53C72065E4B53DC92D8BA7614B880E7" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Total net sales </link:label>
<link:label id="lab_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax_E53C72065E4B53DC92D8BA7614B880E7_label_en-US" xlink:label="lab_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax_E53C72065E4B53DC92D8BA7614B880E7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Revenue from Contract with Customer, Including Assessed Tax </link:label>
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<link:label id="lab_us-gaap_ConcentrationRiskByTypeAxis_9A4CA3FE7E257B95EB5CFE6F74B056FC_terseLabel_en-US" xlink:label="lab_us-gaap_ConcentrationRiskByTypeAxis_9A4CA3FE7E257B95EB5CFE6F74B056FC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Concentration Risk Type [Axis] </link:label>
<link:label id="lab_us-gaap_ConcentrationRiskByTypeAxis_9A4CA3FE7E257B95EB5CFE6F74B056FC_label_en-US" xlink:label="lab_us-gaap_ConcentrationRiskByTypeAxis_9A4CA3FE7E257B95EB5CFE6F74B056FC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Concentration Risk Type [Axis] </link:label>
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<link:label id="lab_us-gaap_ConcentrationRiskTypeDomain_400BC9BA3DDFDA446130FE6F74B0170D_terseLabel_en-US" xlink:label="lab_us-gaap_ConcentrationRiskTypeDomain_400BC9BA3DDFDA446130FE6F74B0170D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Concentration Risk Type [Domain] </link:label>
<link:label id="lab_us-gaap_ConcentrationRiskTypeDomain_400BC9BA3DDFDA446130FE6F74B0170D_label_en-US" xlink:label="lab_us-gaap_ConcentrationRiskTypeDomain_400BC9BA3DDFDA446130FE6F74B0170D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Concentration Risk Type [Domain] </link:label>
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<link:label id="lab_fstr_LbPipeJvEquityMethodInvestmentMember_A06070A94E7798F9DB53FE6F74B0DC61_terseLabel_en-US" xlink:label="lab_fstr_LbPipeJvEquityMethodInvestmentMember_A06070A94E7798F9DB53FE6F74B0DC61" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> L B Pipe JV investment </link:label>
<link:label id="lab_fstr_LbPipeJvEquityMethodInvestmentMember_A06070A94E7798F9DB53FE6F74B0DC61_label_en-US" xlink:label="lab_fstr_LbPipeJvEquityMethodInvestmentMember_A06070A94E7798F9DB53FE6F74B0DC61" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Lb Pipe Jv Equity Method Investment [Member] </link:label>
<link:label id="lab_fstr_LbPipeJvEquityMethodInvestmentMember_A06070A94E7798F9DB53FE6F74B0DC61_documentation_en-US" xlink:label="lab_fstr_LbPipeJvEquityMethodInvestmentMember_A06070A94E7798F9DB53FE6F74B0DC61" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> LB Pipe JV equity method investment [Member] </link:label>
<link:loc xlink:href="fstr-20180331.xsd#fstr_LbPipeJvEquityMethodInvestmentMember" xlink:label="loc_fstr_LbPipeJvEquityMethodInvestmentMember_A06070A94E7798F9DB53FE6F74B0DC61" xlink:type="locator"/>
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<link:label id="lab_fstr_RevolvingLineOfCreditMember_BF87C78B4CD7B371F8C4FE6F74B08CAF_terseLabel_en-US" xlink:label="lab_fstr_RevolvingLineOfCreditMember_BF87C78B4CD7B371F8C4FE6F74B08CAF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Revolving line of credit </link:label>
<link:label id="lab_fstr_RevolvingLineOfCreditMember_BF87C78B4CD7B371F8C4FE6F74B08CAF_label_en-US" xlink:label="lab_fstr_RevolvingLineOfCreditMember_BF87C78B4CD7B371F8C4FE6F74B08CAF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Revolving Line Of Credit [Member] </link:label>
<link:label id="lab_fstr_RevolvingLineOfCreditMember_BF87C78B4CD7B371F8C4FE6F74B08CAF_documentation_en-US" xlink:label="lab_fstr_RevolvingLineOfCreditMember_BF87C78B4CD7B371F8C4FE6F74B08CAF" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Revolving line of credit [Member] </link:label>
<link:loc xlink:href="fstr-20180331.xsd#fstr_RevolvingLineOfCreditMember" xlink:label="loc_fstr_RevolvingLineOfCreditMember_BF87C78B4CD7B371F8C4FE6F74B08CAF" xlink:type="locator"/>
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<link:label id="lab_fstr_NetInvestmentInDirectFinancingLeaseMember_8FBF41A5E0B238F82063FE6F74B07CF6_terseLabel_en-US" xlink:label="lab_fstr_NetInvestmentInDirectFinancingLeaseMember_8FBF41A5E0B238F82063FE6F74B07CF6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Net investment in direct financing lease </link:label>
<link:label id="lab_fstr_NetInvestmentInDirectFinancingLeaseMember_8FBF41A5E0B238F82063FE6F74B07CF6_label_en-US" xlink:label="lab_fstr_NetInvestmentInDirectFinancingLeaseMember_8FBF41A5E0B238F82063FE6F74B07CF6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net Investment In Direct Financing Lease [Member] </link:label>
<link:label id="lab_fstr_NetInvestmentInDirectFinancingLeaseMember_8FBF41A5E0B238F82063FE6F74B07CF6_documentation_en-US" xlink:label="lab_fstr_NetInvestmentInDirectFinancingLeaseMember_8FBF41A5E0B238F82063FE6F74B07CF6" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Net investment in direct financing lease [Member] </link:label>
<link:loc xlink:href="fstr-20180331.xsd#fstr_NetInvestmentInDirectFinancingLeaseMember" xlink:label="loc_fstr_NetInvestmentInDirectFinancingLeaseMember_8FBF41A5E0B238F82063FE6F74B07CF6" xlink:type="locator"/>
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<link:label id="lab_us-gaap_VariableInterestEntityEntityMaximumLossExposureAmount_205679826C1597D134DCFE6F74B073AD_terseLabel_en-US" xlink:label="lab_us-gaap_VariableInterestEntityEntityMaximumLossExposureAmount_205679826C1597D134DCFE6F74B073AD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Maximum exposure to loss </link:label>
<link:label id="lab_us-gaap_VariableInterestEntityEntityMaximumLossExposureAmount_205679826C1597D134DCFE6F74B073AD_label_en-US" xlink:label="lab_us-gaap_VariableInterestEntityEntityMaximumLossExposureAmount_205679826C1597D134DCFE6F74B073AD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Amount </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_VariableInterestEntityEntityMaximumLossExposureAmount" xlink:label="loc_us-gaap_VariableInterestEntityEntityMaximumLossExposureAmount_205679826C1597D134DCFE6F74B073AD" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ScheduleOfDebtInstrumentsTextBlock_A6F110EEB06BA78D6DF9B665AC33A402_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfDebtInstrumentsTextBlock_A6F110EEB06BA78D6DF9B665AC33A402" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Long-term Debt Instruments </link:label>
<link:label id="lab_us-gaap_ScheduleOfDebtInstrumentsTextBlock_A6F110EEB06BA78D6DF9B665AC33A402_label_en-US" xlink:label="lab_us-gaap_ScheduleOfDebtInstrumentsTextBlock_A6F110EEB06BA78D6DF9B665AC33A402" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Long-term Debt Instruments [Table Text Block] </link:label>
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<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear_01B9EBEF89433AE8524FB665958F64FB_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear_01B9EBEF89433AE8524FB665958F64FB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2018 </link:label>
<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear_01B9EBEF89433AE8524FB665958F64FB_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear_01B9EBEF89433AE8524FB665958F64FB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Assets, Amortization Expense, Remainder of Fiscal Year </link:label>
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<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_2A3B4A683DD0DB6CF5C4B665958FC6A0_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_2A3B4A683DD0DB6CF5C4B665958FC6A0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2019 </link:label>
<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_2A3B4A683DD0DB6CF5C4B665958FC6A0_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_2A3B4A683DD0DB6CF5C4B665958FC6A0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Assets, Amortization Expense, Year Two </link:label>
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<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_9F7619AF4961AFE7DB2BB665958FA6D8_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_9F7619AF4961AFE7DB2BB665958FA6D8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2020 </link:label>
<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_9F7619AF4961AFE7DB2BB665958FA6D8_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_9F7619AF4961AFE7DB2BB665958FA6D8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Assets, Amortization Expense, Year Three </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_9F7619AF4961AFE7DB2BB665958FA6D8" xlink:type="locator"/>
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<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_73C4B7015BDE4BC7D7FEB665958F2563_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_73C4B7015BDE4BC7D7FEB665958F2563" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2021 </link:label>
<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_73C4B7015BDE4BC7D7FEB665958F2563_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_73C4B7015BDE4BC7D7FEB665958F2563" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Assets, Amortization Expense, Year Four </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_73C4B7015BDE4BC7D7FEB665958F2563" xlink:type="locator"/>
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<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_A5D167F0C69FA12393FBB665958F553A_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_A5D167F0C69FA12393FBB665958F553A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2022 </link:label>
<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_A5D167F0C69FA12393FBB665958F553A_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_A5D167F0C69FA12393FBB665958F553A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Assets, Amortization Expense, Year Five </link:label>
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<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_4C10A66B8C1507FAE97BB665958F0938_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_4C10A66B8C1507FAE97BB665958F0938" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2023 and thereafter </link:label>
<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_4C10A66B8C1507FAE97BB665958F0938_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_4C10A66B8C1507FAE97BB665958F0938" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Assets, Amortization Expense, after Year Five </link:label>
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<link:label id="lab_dei_EntityRegistrantName_EEC1929B8672D238B5DFB283CBF430C8_terseLabel_en-US" xlink:label="lab_dei_EntityRegistrantName_EEC1929B8672D238B5DFB283CBF430C8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Entity Registrant Name </link:label>
<link:label id="lab_dei_EntityRegistrantName_EEC1929B8672D238B5DFB283CBF430C8_label_en-US" xlink:label="lab_dei_EntityRegistrantName_EEC1929B8672D238B5DFB283CBF430C8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Registrant Name </link:label>
<link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityRegistrantName" xlink:label="loc_dei_EntityRegistrantName_EEC1929B8672D238B5DFB283CBF430C8" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityRegistrantName_EEC1929B8672D238B5DFB283CBF430C8" xlink:to="lab_dei_EntityRegistrantName_EEC1929B8672D238B5DFB283CBF430C8" xlink:type="arc"/>
<link:label id="lab_dei_EntityCentralIndexKey_AA7F6BAC10B41DA0CD5DB283CBF4C15B_terseLabel_en-US" xlink:label="lab_dei_EntityCentralIndexKey_AA7F6BAC10B41DA0CD5DB283CBF4C15B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Entity Central Index Key </link:label>
<link:label id="lab_dei_EntityCentralIndexKey_AA7F6BAC10B41DA0CD5DB283CBF4C15B_label_en-US" xlink:label="lab_dei_EntityCentralIndexKey_AA7F6BAC10B41DA0CD5DB283CBF4C15B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Central Index Key </link:label>
<link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityCentralIndexKey" xlink:label="loc_dei_EntityCentralIndexKey_AA7F6BAC10B41DA0CD5DB283CBF4C15B" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityCentralIndexKey_AA7F6BAC10B41DA0CD5DB283CBF4C15B" xlink:to="lab_dei_EntityCentralIndexKey_AA7F6BAC10B41DA0CD5DB283CBF4C15B" xlink:type="arc"/>
<link:label id="lab_dei_CurrentFiscalYearEndDate_F47FED997BCD91BF2C2FB283CBF4596C_terseLabel_en-US" xlink:label="lab_dei_CurrentFiscalYearEndDate_F47FED997BCD91BF2C2FB283CBF4596C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Current Fiscal Year End Date </link:label>
<link:label id="lab_dei_CurrentFiscalYearEndDate_F47FED997BCD91BF2C2FB283CBF4596C_label_en-US" xlink:label="lab_dei_CurrentFiscalYearEndDate_F47FED997BCD91BF2C2FB283CBF4596C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Current Fiscal Year End Date </link:label>
<link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_CurrentFiscalYearEndDate" xlink:label="loc_dei_CurrentFiscalYearEndDate_F47FED997BCD91BF2C2FB283CBF4596C" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_CurrentFiscalYearEndDate_F47FED997BCD91BF2C2FB283CBF4596C" xlink:to="lab_dei_CurrentFiscalYearEndDate_F47FED997BCD91BF2C2FB283CBF4596C" xlink:type="arc"/>
<link:label id="lab_dei_EntityFilerCategory_FDE6276FD8837563D491B283CBF4A68C_terseLabel_en-US" xlink:label="lab_dei_EntityFilerCategory_FDE6276FD8837563D491B283CBF4A68C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Entity Filer Category </link:label>
<link:label id="lab_dei_EntityFilerCategory_FDE6276FD8837563D491B283CBF4A68C_label_en-US" xlink:label="lab_dei_EntityFilerCategory_FDE6276FD8837563D491B283CBF4A68C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Filer Category </link:label>
<link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityFilerCategory" xlink:label="loc_dei_EntityFilerCategory_FDE6276FD8837563D491B283CBF4A68C" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityFilerCategory_FDE6276FD8837563D491B283CBF4A68C" xlink:to="lab_dei_EntityFilerCategory_FDE6276FD8837563D491B283CBF4A68C" xlink:type="arc"/>
<link:label id="lab_dei_EntityCommonStockSharesOutstanding_9365D614430439273E2AB283CBF4D2AA_terseLabel_en-US" xlink:label="lab_dei_EntityCommonStockSharesOutstanding_9365D614430439273E2AB283CBF4D2AA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Entity Common Stock, Shares Outstanding </link:label>
<link:label id="lab_dei_EntityCommonStockSharesOutstanding_9365D614430439273E2AB283CBF4D2AA_label_en-US" xlink:label="lab_dei_EntityCommonStockSharesOutstanding_9365D614430439273E2AB283CBF4D2AA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Common Stock, Shares Outstanding </link:label>
<link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityCommonStockSharesOutstanding" xlink:label="loc_dei_EntityCommonStockSharesOutstanding_9365D614430439273E2AB283CBF4D2AA" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityCommonStockSharesOutstanding_9365D614430439273E2AB283CBF4D2AA" xlink:to="lab_dei_EntityCommonStockSharesOutstanding_9365D614430439273E2AB283CBF4D2AA" xlink:type="arc"/>
<link:label id="lab_dei_TradingSymbol_6A16A6B5CED240AE81A2B283CBF4F855_terseLabel_en-US" xlink:label="lab_dei_TradingSymbol_6A16A6B5CED240AE81A2B283CBF4F855" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Trading Symbol </link:label>
<link:label id="lab_dei_TradingSymbol_6A16A6B5CED240AE81A2B283CBF4F855_label_en-US" xlink:label="lab_dei_TradingSymbol_6A16A6B5CED240AE81A2B283CBF4F855" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Trading Symbol </link:label>
<link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_TradingSymbol" xlink:label="loc_dei_TradingSymbol_6A16A6B5CED240AE81A2B283CBF4F855" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_TradingSymbol_6A16A6B5CED240AE81A2B283CBF4F855" xlink:to="lab_dei_TradingSymbol_6A16A6B5CED240AE81A2B283CBF4F855" xlink:type="arc"/>
<link:label id="lab_us-gaap_CommonStockParOrStatedValuePerShare_8A73668263191BAF06E9B29EB61678EA_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockParOrStatedValuePerShare_8A73668263191BAF06E9B29EB61678EA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Common stock, par value (per share) </link:label>
<link:label id="lab_us-gaap_CommonStockParOrStatedValuePerShare_8A73668263191BAF06E9B29EB61678EA_label_en-US" xlink:label="lab_us-gaap_CommonStockParOrStatedValuePerShare_8A73668263191BAF06E9B29EB61678EA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Common Stock, Par or Stated Value Per Share </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommonStockParOrStatedValuePerShare" xlink:label="loc_us-gaap_CommonStockParOrStatedValuePerShare_8A73668263191BAF06E9B29EB61678EA" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockParOrStatedValuePerShare_8A73668263191BAF06E9B29EB61678EA" xlink:to="lab_us-gaap_CommonStockParOrStatedValuePerShare_8A73668263191BAF06E9B29EB61678EA" xlink:type="arc"/>
<link:label id="lab_us-gaap_CommonStockSharesAuthorized_9F4619DDDD4157135188B29EB616CCA1_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockSharesAuthorized_9F4619DDDD4157135188B29EB616CCA1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Common stock, shares authorized (shares) </link:label>
<link:label id="lab_us-gaap_CommonStockSharesAuthorized_9F4619DDDD4157135188B29EB616CCA1_label_en-US" xlink:label="lab_us-gaap_CommonStockSharesAuthorized_9F4619DDDD4157135188B29EB616CCA1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Common Stock, Shares Authorized </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommonStockSharesAuthorized" xlink:label="loc_us-gaap_CommonStockSharesAuthorized_9F4619DDDD4157135188B29EB616CCA1" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockSharesAuthorized_9F4619DDDD4157135188B29EB616CCA1" xlink:to="lab_us-gaap_CommonStockSharesAuthorized_9F4619DDDD4157135188B29EB616CCA1" xlink:type="arc"/>
<link:label id="lab_us-gaap_CommonStockSharesIssued_5594BB9BD0573D3644CDB29EB617AD06_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockSharesIssued_5594BB9BD0573D3644CDB29EB617AD06" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Common stock, issued (shares) </link:label>
<link:label id="lab_us-gaap_CommonStockSharesIssued_5594BB9BD0573D3644CDB29EB617AD06_label_en-US" xlink:label="lab_us-gaap_CommonStockSharesIssued_5594BB9BD0573D3644CDB29EB617AD06" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Common Stock, Shares, Issued </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommonStockSharesIssued" xlink:label="loc_us-gaap_CommonStockSharesIssued_5594BB9BD0573D3644CDB29EB617AD06" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockSharesIssued_5594BB9BD0573D3644CDB29EB617AD06" xlink:to="lab_us-gaap_CommonStockSharesIssued_5594BB9BD0573D3644CDB29EB617AD06" xlink:type="arc"/>
<link:label id="lab_us-gaap_CommonStockSharesOutstanding_E5C66334A3097EB70448B29EB617A327_verboseLabel_en-US" xlink:label="lab_us-gaap_CommonStockSharesOutstanding_E5C66334A3097EB70448B29EB617A327" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Common stock, shares outstanding (shares) </link:label>
<link:label id="lab_us-gaap_CommonStockSharesOutstanding_E5C66334A3097EB70448B29EB617A327_label_en-US" xlink:label="lab_us-gaap_CommonStockSharesOutstanding_E5C66334A3097EB70448B29EB617A327" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Common Stock, Shares, Outstanding </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommonStockSharesOutstanding" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_E5C66334A3097EB70448B29EB617A327" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockSharesOutstanding_E5C66334A3097EB70448B29EB617A327" xlink:to="lab_us-gaap_CommonStockSharesOutstanding_E5C66334A3097EB70448B29EB617A327" xlink:type="arc"/>
<link:label id="lab_us-gaap_TreasuryStockShares_184D804B2715997C6309B29EB6175D3D_terseLabel_en-US" xlink:label="lab_us-gaap_TreasuryStockShares_184D804B2715997C6309B29EB6175D3D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Treasury stock shares - at cost, common stock (shares) </link:label>
<link:label id="lab_us-gaap_TreasuryStockShares_184D804B2715997C6309B29EB6175D3D_label_en-US" xlink:label="lab_us-gaap_TreasuryStockShares_184D804B2715997C6309B29EB6175D3D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Treasury Stock, Shares </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TreasuryStockShares" xlink:label="loc_us-gaap_TreasuryStockShares_184D804B2715997C6309B29EB6175D3D" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TreasuryStockShares_184D804B2715997C6309B29EB6175D3D" xlink:to="lab_us-gaap_TreasuryStockShares_184D804B2715997C6309B29EB6175D3D" xlink:type="arc"/>
<link:label id="lab_us-gaap_FairValueDisclosuresTextBlock_068C66B3E09E0B94ED3C7AE347599306_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueDisclosuresTextBlock_D8CBF99E59625A3FA7403B0AA17C3F77" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Fair Value Measurements </link:label>
<link:label id="lab_us-gaap_FairValueDisclosuresTextBlock_068C66B3E09E0B94ED3C7AE347599306_label_en-US" xlink:label="lab_us-gaap_FairValueDisclosuresTextBlock_D8CBF99E59625A3FA7403B0AA17C3F77" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Fair Value Disclosures [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueDisclosuresTextBlock" xlink:label="loc_us-gaap_FairValueDisclosuresTextBlock_D8CBF99E59625A3FA7403B0AA17C3F77" xlink:type="locator"/>
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<link:label id="lab_us-gaap_IncomeStatementAbstract_6E38006D8690AE78404BCEE30A0AFE4B_label_en-US" xlink:label="lab_us-gaap_IncomeStatementAbstract_6E38006D8690AE78404BCEE30A0AFE4B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income Statement [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeStatementAbstract" xlink:label="loc_us-gaap_IncomeStatementAbstract_6E38006D8690AE78404BCEE30A0AFE4B" xlink:type="locator"/>
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<link:label id="lab_us-gaap_SalesRevenueGoodsNet_96711766BED289F57F16CEE30A0AF7D9_verboseLabel_en-US" xlink:label="lab_us-gaap_SalesRevenueGoodsNet_96711766BED289F57F16CEE30A0AF7D9" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Sales of goods </link:label>
<link:label id="lab_us-gaap_SalesRevenueGoodsNet_96711766BED289F57F16CEE30A0AF7D9_label_en-US" xlink:label="lab_us-gaap_SalesRevenueGoodsNet_96711766BED289F57F16CEE30A0AF7D9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Sales Revenue, Goods, Net </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SalesRevenueGoodsNet" xlink:label="loc_us-gaap_SalesRevenueGoodsNet_96711766BED289F57F16CEE30A0AF7D9" xlink:type="locator"/>
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<link:label id="lab_us-gaap_SalesRevenueServicesNet_C2CA58786E6C4392666BCEE30A0AA5E8_verboseLabel_en-US" xlink:label="lab_us-gaap_SalesRevenueServicesNet_C2CA58786E6C4392666BCEE30A0AA5E8" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Sales of services </link:label>
<link:label id="lab_us-gaap_SalesRevenueServicesNet_C2CA58786E6C4392666BCEE30A0AA5E8_label_en-US" xlink:label="lab_us-gaap_SalesRevenueServicesNet_C2CA58786E6C4392666BCEE30A0AA5E8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Sales Revenue, Services, Net </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SalesRevenueServicesNet" xlink:label="loc_us-gaap_SalesRevenueServicesNet_C2CA58786E6C4392666BCEE30A0AA5E8" xlink:type="locator"/>
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<link:label id="lab_us-gaap_SalesRevenueNet_B1445F25022629E866D8CEE30A0AAEEB_totalLabel_en-US" xlink:label="lab_us-gaap_SalesRevenueNet_B1445F25022629E866D8CEE30A0AAEEB" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total net sales </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SalesRevenueNet" xlink:label="loc_us-gaap_SalesRevenueNet_B1445F25022629E866D8CEE30A0AAEEB" xlink:type="locator"/>
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<link:label id="lab_us-gaap_CostOfGoodsSold_2F3FE757B39A14036E0FCEE30A0A02AC_terseLabel_en-US" xlink:label="lab_us-gaap_CostOfGoodsSold_2F3FE757B39A14036E0FCEE30A0A02AC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Cost of goods sold </link:label>
<link:label id="lab_us-gaap_CostOfGoodsSold_2F3FE757B39A14036E0FCEE30A0A02AC_label_en-US" xlink:label="lab_us-gaap_CostOfGoodsSold_2F3FE757B39A14036E0FCEE30A0A02AC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cost of Goods Sold </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CostOfGoodsSold" xlink:label="loc_us-gaap_CostOfGoodsSold_2F3FE757B39A14036E0FCEE30A0A02AC" xlink:type="locator"/>
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<link:label id="lab_us-gaap_CostOfServices_1439102FCD97F12585C3CEE30A0A1182_verboseLabel_en-US" xlink:label="lab_us-gaap_CostOfServices_1439102FCD97F12585C3CEE30A0A1182" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Cost of services sold </link:label>
<link:label id="lab_us-gaap_CostOfServices_1439102FCD97F12585C3CEE30A0A1182_label_en-US" xlink:label="lab_us-gaap_CostOfServices_1439102FCD97F12585C3CEE30A0A1182" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cost of Services </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CostOfServices" xlink:label="loc_us-gaap_CostOfServices_1439102FCD97F12585C3CEE30A0A1182" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CostOfServices_1439102FCD97F12585C3CEE30A0A1182" xlink:to="lab_us-gaap_CostOfServices_1439102FCD97F12585C3CEE30A0A1182" xlink:type="arc"/>
<link:label id="lab_us-gaap_CostOfGoodsAndServicesSold_41AE9F878CFEAFE3CC64CEE30A0A9707_totalLabel_en-US" xlink:label="lab_us-gaap_CostOfGoodsAndServicesSold_41AE9F878CFEAFE3CC64CEE30A0A9707" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total cost of sales </link:label>
<link:label id="lab_us-gaap_CostOfGoodsAndServicesSold_41AE9F878CFEAFE3CC64CEE30A0A9707_label_en-US" xlink:label="lab_us-gaap_CostOfGoodsAndServicesSold_41AE9F878CFEAFE3CC64CEE30A0A9707" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cost of Goods and Services Sold </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CostOfGoodsAndServicesSold" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold_41AE9F878CFEAFE3CC64CEE30A0A9707" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CostOfGoodsAndServicesSold_41AE9F878CFEAFE3CC64CEE30A0A9707" xlink:to="lab_us-gaap_CostOfGoodsAndServicesSold_41AE9F878CFEAFE3CC64CEE30A0A9707" xlink:type="arc"/>
<link:label id="lab_us-gaap_GrossProfit_85CCF5E358E10F4E243ACEE30A0A7A72_totalLabel_en-US" xlink:label="lab_us-gaap_GrossProfit_85CCF5E358E10F4E243ACEE30A0A7A72" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Gross profit </link:label>
<link:label id="lab_us-gaap_GrossProfit_85CCF5E358E10F4E243ACEE30A0A7A72_label_en-US" xlink:label="lab_us-gaap_GrossProfit_85CCF5E358E10F4E243ACEE30A0A7A72" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Gross Profit </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GrossProfit" xlink:label="loc_us-gaap_GrossProfit_85CCF5E358E10F4E243ACEE30A0A7A72" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GrossProfit_85CCF5E358E10F4E243ACEE30A0A7A72" xlink:to="lab_us-gaap_GrossProfit_85CCF5E358E10F4E243ACEE30A0A7A72" xlink:type="arc"/>
<link:label id="lab_us-gaap_SellingGeneralAndAdministrativeExpense_E42956D4B99FA230E4CACEE30A0A86AF_terseLabel_en-US" xlink:label="lab_us-gaap_SellingGeneralAndAdministrativeExpense_E42956D4B99FA230E4CACEE30A0A86AF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Selling and administrative expenses </link:label>
<link:label id="lab_us-gaap_SellingGeneralAndAdministrativeExpense_E42956D4B99FA230E4CACEE30A0A86AF_label_en-US" xlink:label="lab_us-gaap_SellingGeneralAndAdministrativeExpense_E42956D4B99FA230E4CACEE30A0A86AF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Selling, General and Administrative Expense </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpense" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_E42956D4B99FA230E4CACEE30A0A86AF" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SellingGeneralAndAdministrativeExpense_E42956D4B99FA230E4CACEE30A0A86AF" xlink:to="lab_us-gaap_SellingGeneralAndAdministrativeExpense_E42956D4B99FA230E4CACEE30A0A86AF" xlink:type="arc"/>
<link:label id="lab_us-gaap_InterestExpense_7B2A63E09EA3F4CD53BDCEE30A0A556A_terseLabel_en-US" xlink:label="lab_us-gaap_InterestExpense_7B2A63E09EA3F4CD53BDCEE30A0A556A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Interest expense </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InterestExpense" xlink:label="loc_us-gaap_InterestExpense_7B2A63E09EA3F4CD53BDCEE30A0A556A" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestExpense_7B2A63E09EA3F4CD53BDCEE30A0A556A" xlink:to="lab_us-gaap_InterestExpense_7B2A63E09EA3F4CD53BDCEE30A0A556A" xlink:type="arc"/>
<link:label id="lab_us-gaap_InvestmentIncomeInterest_C425F842E7A30E2D344ECEE30A0A9891_negatedLabel_en-US" xlink:label="lab_us-gaap_InvestmentIncomeInterest_C425F842E7A30E2D344ECEE30A0A9891" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Interest income </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InvestmentIncomeInterest" xlink:label="loc_us-gaap_InvestmentIncomeInterest_C425F842E7A30E2D344ECEE30A0A9891" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InvestmentIncomeInterest_C425F842E7A30E2D344ECEE30A0A9891" xlink:to="lab_us-gaap_InvestmentIncomeInterest_C425F842E7A30E2D344ECEE30A0A9891" xlink:type="arc"/>
<link:label id="lab_us-gaap_IncomeLossFromEquityMethodInvestments_8BBDAEC394E6A82B169BCEE30A0B8746_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromEquityMethodInvestments_8BBDAEC394E6A82B169BCEE30A0B8746" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Equity in loss of nonconsolidated investments </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestments" xlink:label="loc_us-gaap_IncomeLossFromEquityMethodInvestments_8BBDAEC394E6A82B169BCEE30A0B8746" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeLossFromEquityMethodInvestments_8BBDAEC394E6A82B169BCEE30A0B8746" xlink:to="lab_us-gaap_IncomeLossFromEquityMethodInvestments_8BBDAEC394E6A82B169BCEE30A0B8746" xlink:type="arc"/>
<link:label id="lab_us-gaap_OtherNonoperatingIncomeExpense_4F7BB819E5C35B0C3EC6CEE30A0BC367_negatedLabel_en-US" xlink:label="lab_us-gaap_OtherNonoperatingIncomeExpense_4F7BB819E5C35B0C3EC6CEE30A0BC367" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Other (income) expense </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpense" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_4F7BB819E5C35B0C3EC6CEE30A0BC367" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherNonoperatingIncomeExpense_4F7BB819E5C35B0C3EC6CEE30A0BC367" xlink:to="lab_us-gaap_OtherNonoperatingIncomeExpense_4F7BB819E5C35B0C3EC6CEE30A0BC367" xlink:type="arc"/>
<link:label id="lab_fstr_TotalOperatingExpenses_B4E6FCAEB2AB50BCC1B0CEE30A0B2AE9_totalLabel_en-US" xlink:label="lab_fstr_TotalOperatingExpenses_B4E6FCAEB2AB50BCC1B0CEE30A0B2AE9" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total operating expenses </link:label>
<link:label id="lab_fstr_TotalOperatingExpenses_B4E6FCAEB2AB50BCC1B0CEE30A0B2AE9_label_en-US" xlink:label="lab_fstr_TotalOperatingExpenses_B4E6FCAEB2AB50BCC1B0CEE30A0B2AE9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Total Operating Expenses </link:label>
<link:label id="lab_fstr_TotalOperatingExpenses_B4E6FCAEB2AB50BCC1B0CEE30A0B2AE9_documentation_en-US" xlink:label="lab_fstr_TotalOperatingExpenses_B4E6FCAEB2AB50BCC1B0CEE30A0B2AE9" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Includes selling, general and administrative expense. This item also represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. Such amount typically reflects adjustments similar to those made in preparing consolidated statements, including adjustments to eliminate intercompany gains and losses, and to amortize, if appropriate, any difference between cost and underlying equity in net assets of the investee at the date of investment. </link:label>
<link:loc xlink:href="fstr-20180331.xsd#fstr_TotalOperatingExpenses" xlink:label="loc_fstr_TotalOperatingExpenses_B4E6FCAEB2AB50BCC1B0CEE30A0B2AE9" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fstr_TotalOperatingExpenses_B4E6FCAEB2AB50BCC1B0CEE30A0B2AE9" xlink:to="lab_fstr_TotalOperatingExpenses_B4E6FCAEB2AB50BCC1B0CEE30A0B2AE9" xlink:type="arc"/>
<link:label id="lab_us-gaap_IncomeTaxExpenseBenefit_50666E50567033423A77CEE30A0B91F0_netLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxExpenseBenefit_50666E50567033423A77CEE30A0B91F0" xlink:role="http://www.xbrl.org/2009/role/netLabel" xlink:type="resource" xml:lang="en-US"> Income tax expense </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_50666E50567033423A77CEE30A0B91F0" xlink:type="locator"/>
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<link:label id="lab_us-gaap_NetIncomeLoss_0D847D9CA21787161476CEE30A0BC7DA_totalLabel_en-US" xlink:label="lab_us-gaap_NetIncomeLoss_0D847D9CA21787161476CEE30A0BC7DA" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Net loss </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_0D847D9CA21787161476CEE30A0BC7DA" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetIncomeLoss_0D847D9CA21787161476CEE30A0BC7DA" xlink:to="lab_us-gaap_NetIncomeLoss_0D847D9CA21787161476CEE30A0BC7DA" xlink:type="arc"/>
<link:label id="lab_us-gaap_DefinedBenefitPlanInterestCost_696A8C620FC5CB76F13A1906CE605744_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanInterestCost_696A8C620FC5CB76F13A1906CE605744" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Interest cost </link:label>
<link:label id="lab_us-gaap_DefinedBenefitPlanInterestCost_696A8C620FC5CB76F13A1906CE605744_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanInterestCost_696A8C620FC5CB76F13A1906CE605744" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Interest Cost </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DefinedBenefitPlanInterestCost" xlink:label="loc_us-gaap_DefinedBenefitPlanInterestCost_696A8C620FC5CB76F13A1906CE605744" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanInterestCost_696A8C620FC5CB76F13A1906CE605744" xlink:to="lab_us-gaap_DefinedBenefitPlanInterestCost_696A8C620FC5CB76F13A1906CE605744" xlink:type="arc"/>
<link:label id="lab_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_050CDA895C7CA43F2ABA1906CE60D018_negatedLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_050CDA895C7CA43F2ABA1906CE60D018" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Expected return on plan assets </link:label>
<link:label id="lab_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_050CDA895C7CA43F2ABA1906CE60D018_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_050CDA895C7CA43F2ABA1906CE60D018" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Expected Return (Loss) on Plan Assets </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_050CDA895C7CA43F2ABA1906CE60D018" xlink:type="locator"/>
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<link:label id="lab_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_DFA8580157A73BFB51421906CE600D55_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_DFA8580157A73BFB51421906CE600D55" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Amortization of prior service costs and transition amount </link:label>
<link:label id="lab_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_DFA8580157A73BFB51421906CE600D55_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_DFA8580157A73BFB51421906CE600D55" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Amortization of Prior Service Cost (Credit) </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit" xlink:label="loc_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_DFA8580157A73BFB51421906CE600D55" xlink:type="locator"/>
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<link:label id="lab_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses_92F241FD79EA46766DE91906CE606DB0_negatedLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses_92F241FD79EA46766DE91906CE606DB0" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Recognized net actuarial loss </link:label>
<link:label id="lab_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses_92F241FD79EA46766DE91906CE606DB0_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses_92F241FD79EA46766DE91906CE606DB0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Amortization of Gain (Loss) </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses" xlink:label="loc_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses_92F241FD79EA46766DE91906CE606DB0" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses_92F241FD79EA46766DE91906CE606DB0" xlink:to="lab_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses_92F241FD79EA46766DE91906CE606DB0" xlink:type="arc"/>
<link:label id="lab_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_1948A260D864957996841906CE60CD6F_totalLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_1948A260D864957996841906CE60CD6F" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Net periodic pension (income) cost </link:label>
<link:label id="lab_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_1948A260D864957996841906CE60CD6F_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_1948A260D864957996841906CE60CD6F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Net Periodic Benefit Cost (Credit) </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost" xlink:label="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_1948A260D864957996841906CE60CD6F" xlink:type="locator"/>
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<link:label id="lab_us-gaap_DisaggregationOfRevenueTableTextBlock_D15123919F315FB591F7CEE3099CAE20_terseLabel_en-US" xlink:label="lab_us-gaap_DisaggregationOfRevenueTableTextBlock_D15123919F315FB591F7CEE3099CAE20" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Disaggregation of Revenue </link:label>
<link:label id="lab_us-gaap_DisaggregationOfRevenueTableTextBlock_D15123919F315FB591F7CEE3099CAE20_label_en-US" xlink:label="lab_us-gaap_DisaggregationOfRevenueTableTextBlock_D15123919F315FB591F7CEE3099CAE20" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disaggregation of Revenue [Table Text Block] </link:label>
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<link:label id="lab_us-gaap_ScheduleOfGoodwillTable_F491A476D1A1BEE0952BCEE30976E613_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfGoodwillTable_F491A476D1A1BEE0952BCEE30976E613" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Goodwill [Table] </link:label>
<link:label id="lab_us-gaap_ScheduleOfGoodwillTable_F491A476D1A1BEE0952BCEE30976E613_label_en-US" xlink:label="lab_us-gaap_ScheduleOfGoodwillTable_F491A476D1A1BEE0952BCEE30976E613" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Goodwill [Table] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfGoodwillTable" xlink:label="loc_us-gaap_ScheduleOfGoodwillTable_F491A476D1A1BEE0952BCEE30976E613" xlink:type="locator"/>
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<link:label id="lab_us-gaap_GoodwillLineItems_4DF8D52AF91FC03E86A8CEE3097D9E36_terseLabel_en-US" xlink:label="lab_us-gaap_GoodwillLineItems_4DF8D52AF91FC03E86A8CEE3097D9E36" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Goodwill [Line Items] </link:label>
<link:label id="lab_us-gaap_GoodwillLineItems_4DF8D52AF91FC03E86A8CEE3097D9E36_label_en-US" xlink:label="lab_us-gaap_GoodwillLineItems_4DF8D52AF91FC03E86A8CEE3097D9E36" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Goodwill [Line Items] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GoodwillLineItems" xlink:label="loc_us-gaap_GoodwillLineItems_4DF8D52AF91FC03E86A8CEE3097D9E36" xlink:type="locator"/>
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<link:label id="lab_us-gaap_GoodwillRollForward_A5B97EA9C3C5312AB3C1CEE3097D377C_terseLabel_en-US" xlink:label="lab_us-gaap_GoodwillRollForward_A5B97EA9C3C5312AB3C1CEE3097D377C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Goodwill </link:label>
<link:label id="lab_us-gaap_GoodwillRollForward_A5B97EA9C3C5312AB3C1CEE3097D377C_label_en-US" xlink:label="lab_us-gaap_GoodwillRollForward_A5B97EA9C3C5312AB3C1CEE3097D377C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Goodwill [Roll Forward] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GoodwillRollForward" xlink:label="loc_us-gaap_GoodwillRollForward_A5B97EA9C3C5312AB3C1CEE3097D377C" xlink:type="locator"/>
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<link:label id="lab_us-gaap_Goodwill_6B38D1EAA03ACCFF697BCEE3097D55EF_periodStartLabel_en-US" xlink:label="lab_us-gaap_Goodwill_6B38D1EAA03ACCFF697BCEE3097D55EF" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US"> Goodwill, beginning balance </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_6B38D1EAA03ACCFF697BCEE3097D55EF" xlink:type="locator"/>
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<link:label id="lab_us-gaap_GoodwillForeignCurrencyTranslationGainLoss_626CEFCD3B65660D6337CEE3097D70DE_terseLabel_en-US" xlink:label="lab_us-gaap_GoodwillForeignCurrencyTranslationGainLoss_626CEFCD3B65660D6337CEE3097D70DE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Foreign currency translation impact </link:label>
<link:label id="lab_us-gaap_GoodwillForeignCurrencyTranslationGainLoss_626CEFCD3B65660D6337CEE3097D70DE_label_en-US" xlink:label="lab_us-gaap_GoodwillForeignCurrencyTranslationGainLoss_626CEFCD3B65660D6337CEE3097D70DE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Goodwill, Foreign Currency Translation Gain (Loss) </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GoodwillForeignCurrencyTranslationGainLoss" xlink:label="loc_us-gaap_GoodwillForeignCurrencyTranslationGainLoss_626CEFCD3B65660D6337CEE3097D70DE" xlink:type="locator"/>
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<link:label id="lab_us-gaap_Goodwill_93F41A0DDF69E8D4BC49CEE3097D4541_periodEndLabel_en-US" xlink:label="lab_us-gaap_Goodwill_93F41A0DDF69E8D4BC49CEE3097D4541" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US"> Goodwill, ending balance </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_93F41A0DDF69E8D4BC49CEE3097D4541" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ProductLiabilityContingencyTable_B8866421BDABE57B4888172BC5109C6B_terseLabel_en-US" xlink:label="lab_us-gaap_ProductLiabilityContingencyTable_B8866421BDABE57B4888172BC5109C6B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Product Liability Contingency [Table] </link:label>
<link:label id="lab_us-gaap_ProductLiabilityContingencyTable_B8866421BDABE57B4888172BC5109C6B_label_en-US" xlink:label="lab_us-gaap_ProductLiabilityContingencyTable_B8866421BDABE57B4888172BC5109C6B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Product Liability Contingency [Table] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProductLiabilityContingencyTable" xlink:label="loc_us-gaap_ProductLiabilityContingencyTable_B8866421BDABE57B4888172BC5109C6B" xlink:type="locator"/>
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<link:label id="lab_us-gaap_MajorCustomersAxis_033D58FD6F26062B68F8172BC5106FA5_terseLabel_en-US" xlink:label="lab_us-gaap_MajorCustomersAxis_033D58FD6F26062B68F8172BC5106FA5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Customer [Axis] </link:label>
<link:label id="lab_us-gaap_MajorCustomersAxis_033D58FD6F26062B68F8172BC5106FA5_label_en-US" xlink:label="lab_us-gaap_MajorCustomersAxis_033D58FD6F26062B68F8172BC5106FA5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Customer [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MajorCustomersAxis" xlink:label="loc_us-gaap_MajorCustomersAxis_033D58FD6F26062B68F8172BC5106FA5" xlink:type="locator"/>
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<link:label id="lab_us-gaap_NameOfMajorCustomerDomain_52F877439A879BA38274172BC510DD54_terseLabel_en-US" xlink:label="lab_us-gaap_NameOfMajorCustomerDomain_52F877439A879BA38274172BC510DD54" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Customer [Domain] </link:label>
<link:label id="lab_us-gaap_NameOfMajorCustomerDomain_52F877439A879BA38274172BC510DD54_label_en-US" xlink:label="lab_us-gaap_NameOfMajorCustomerDomain_52F877439A879BA38274172BC510DD54" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Customer [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NameOfMajorCustomerDomain" xlink:label="loc_us-gaap_NameOfMajorCustomerDomain_52F877439A879BA38274172BC510DD54" xlink:type="locator"/>
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<link:label id="lab_fstr_UprrMember_2A072845B8929C182BE9172BC510F3E7_terseLabel_en-US" xlink:label="lab_fstr_UprrMember_2A072845B8929C182BE9172BC510F3E7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> The UPRR </link:label>
<link:label id="lab_fstr_UprrMember_2A072845B8929C182BE9172BC510F3E7_label_en-US" xlink:label="lab_fstr_UprrMember_2A072845B8929C182BE9172BC510F3E7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Uprr [Member] </link:label>
<link:label id="lab_fstr_UprrMember_2A072845B8929C182BE9172BC510F3E7_documentation_en-US" xlink:label="lab_fstr_UprrMember_2A072845B8929C182BE9172BC510F3E7" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The UPRR </link:label>
<link:loc xlink:href="fstr-20180331.xsd#fstr_UprrMember" xlink:label="loc_fstr_UprrMember_2A072845B8929C182BE9172BC510F3E7" xlink:type="locator"/>
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<link:label id="lab_us-gaap_LitigationCaseAxis_45A65C4E657530AE5B0F172BC510240E_terseLabel_en-US" xlink:label="lab_us-gaap_LitigationCaseAxis_45A65C4E657530AE5B0F172BC510240E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Litigation Case [Axis] </link:label>
<link:label id="lab_us-gaap_LitigationCaseAxis_45A65C4E657530AE5B0F172BC510240E_label_en-US" xlink:label="lab_us-gaap_LitigationCaseAxis_45A65C4E657530AE5B0F172BC510240E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Litigation Case [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LitigationCaseAxis" xlink:label="loc_us-gaap_LitigationCaseAxis_45A65C4E657530AE5B0F172BC510240E" xlink:type="locator"/>
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<link:label id="lab_us-gaap_LitigationCaseTypeDomain_8AB2621EB0D9CD84D398172BC510EB47_terseLabel_en-US" xlink:label="lab_us-gaap_LitigationCaseTypeDomain_8AB2621EB0D9CD84D398172BC510EB47" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Litigation Case [Domain] </link:label>
<link:label id="lab_us-gaap_LitigationCaseTypeDomain_8AB2621EB0D9CD84D398172BC510EB47_label_en-US" xlink:label="lab_us-gaap_LitigationCaseTypeDomain_8AB2621EB0D9CD84D398172BC510EB47" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Litigation Case [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LitigationCaseTypeDomain" xlink:label="loc_us-gaap_LitigationCaseTypeDomain_8AB2621EB0D9CD84D398172BC510EB47" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LitigationCaseTypeDomain_8AB2621EB0D9CD84D398172BC510EB47" xlink:to="lab_us-gaap_LitigationCaseTypeDomain_8AB2621EB0D9CD84D398172BC510EB47" xlink:type="arc"/>
<link:label id="lab_fstr_TwoThousandFiveContractMember_CFF1DC908BAFCA8B8235172BC511A3B0_terseLabel_en-US" xlink:label="lab_fstr_TwoThousandFiveContractMember_CFF1DC908BAFCA8B8235172BC511A3B0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2005 Contract </link:label>
<link:label id="lab_fstr_TwoThousandFiveContractMember_CFF1DC908BAFCA8B8235172BC511A3B0_label_en-US" xlink:label="lab_fstr_TwoThousandFiveContractMember_CFF1DC908BAFCA8B8235172BC511A3B0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Two Thousand Five Contract [Member] </link:label>
<link:label id="lab_fstr_TwoThousandFiveContractMember_CFF1DC908BAFCA8B8235172BC511A3B0_documentation_en-US" xlink:label="lab_fstr_TwoThousandFiveContractMember_CFF1DC908BAFCA8B8235172BC511A3B0" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Two Thousand Five Contract [Member] </link:label>
<link:loc xlink:href="fstr-20180331.xsd#fstr_TwoThousandFiveContractMember" xlink:label="loc_fstr_TwoThousandFiveContractMember_CFF1DC908BAFCA8B8235172BC511A3B0" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fstr_TwoThousandFiveContractMember_CFF1DC908BAFCA8B8235172BC511A3B0" xlink:to="lab_fstr_TwoThousandFiveContractMember_CFF1DC908BAFCA8B8235172BC511A3B0" xlink:type="arc"/>
<link:label id="lab_fstr_WarrantyPolicyMember_909CABE36E4297A84D4D172BC511797B_terseLabel_en-US" xlink:label="lab_fstr_WarrantyPolicyMember_909CABE36E4297A84D4D172BC511797B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Warranty Policy </link:label>
<link:label id="lab_fstr_WarrantyPolicyMember_909CABE36E4297A84D4D172BC511797B_label_en-US" xlink:label="lab_fstr_WarrantyPolicyMember_909CABE36E4297A84D4D172BC511797B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Warranty Policy [Member] </link:label>
<link:label id="lab_fstr_WarrantyPolicyMember_909CABE36E4297A84D4D172BC511797B_documentation_en-US" xlink:label="lab_fstr_WarrantyPolicyMember_909CABE36E4297A84D4D172BC511797B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Warranty Policy [Member] </link:label>
<link:loc xlink:href="fstr-20180331.xsd#fstr_WarrantyPolicyMember" xlink:label="loc_fstr_WarrantyPolicyMember_909CABE36E4297A84D4D172BC511797B" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ValuationAllowancesAndReservesTypeAxis_2D03BDC1E81722ED373C172BC5115966_terseLabel_en-US" xlink:label="lab_us-gaap_ValuationAllowancesAndReservesTypeAxis_2D03BDC1E81722ED373C172BC5115966" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Valuation Allowances and Reserves Type [Axis] </link:label>
<link:label id="lab_us-gaap_ValuationAllowancesAndReservesTypeAxis_2D03BDC1E81722ED373C172BC5115966_label_en-US" xlink:label="lab_us-gaap_ValuationAllowancesAndReservesTypeAxis_2D03BDC1E81722ED373C172BC5115966" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Valuation Allowances and Reserves Type [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ValuationAllowancesAndReservesTypeAxis" xlink:label="loc_us-gaap_ValuationAllowancesAndReservesTypeAxis_2D03BDC1E81722ED373C172BC5115966" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ValuationAllowancesAndReservesDomain_532D60097F68681A3A13172BC5119813_terseLabel_en-US" xlink:label="lab_us-gaap_ValuationAllowancesAndReservesDomain_532D60097F68681A3A13172BC5119813" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Valuation Allowances and Reserves [Domain] </link:label>
<link:label id="lab_us-gaap_ValuationAllowancesAndReservesDomain_532D60097F68681A3A13172BC5119813_label_en-US" xlink:label="lab_us-gaap_ValuationAllowancesAndReservesDomain_532D60097F68681A3A13172BC5119813" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Valuation Allowances and Reserves [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ValuationAllowancesAndReservesDomain" xlink:label="loc_us-gaap_ValuationAllowancesAndReservesDomain_532D60097F68681A3A13172BC5119813" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ValuationAllowancesAndReservesDomain_532D60097F68681A3A13172BC5119813" xlink:to="lab_us-gaap_ValuationAllowancesAndReservesDomain_532D60097F68681A3A13172BC5119813" xlink:type="arc"/>
<link:label id="lab_fstr_ReserveForConcreteTiesMember_9A7D91FBD016E36CA128172BC511D8F0_terseLabel_en-US" xlink:label="lab_fstr_ReserveForConcreteTiesMember_9A7D91FBD016E36CA128172BC511D8F0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Reserve for Concrete Ties </link:label>
<link:label id="lab_fstr_ReserveForConcreteTiesMember_9A7D91FBD016E36CA128172BC511D8F0_label_en-US" xlink:label="lab_fstr_ReserveForConcreteTiesMember_9A7D91FBD016E36CA128172BC511D8F0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Reserve For Concrete Ties [Member] </link:label>
<link:label id="lab_fstr_ReserveForConcreteTiesMember_9A7D91FBD016E36CA128172BC511D8F0_documentation_en-US" xlink:label="lab_fstr_ReserveForConcreteTiesMember_9A7D91FBD016E36CA128172BC511D8F0" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Reserve for Concrete Ties [Member] </link:label>
<link:loc xlink:href="fstr-20180331.xsd#fstr_ReserveForConcreteTiesMember" xlink:label="loc_fstr_ReserveForConcreteTiesMember_9A7D91FBD016E36CA128172BC511D8F0" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fstr_ReserveForConcreteTiesMember_9A7D91FBD016E36CA128172BC511D8F0" xlink:to="lab_fstr_ReserveForConcreteTiesMember_9A7D91FBD016E36CA128172BC511D8F0" xlink:type="arc"/>
<link:label id="lab_us-gaap_ProductLiabilityContingencyLineItems_723A062C75DCFFCFCB31172BC511DDB3_terseLabel_en-US" xlink:label="lab_us-gaap_ProductLiabilityContingencyLineItems_723A062C75DCFFCFCB31172BC511DDB3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Product Liability Contingency </link:label>
<link:label id="lab_us-gaap_ProductLiabilityContingencyLineItems_723A062C75DCFFCFCB31172BC511DDB3_label_en-US" xlink:label="lab_us-gaap_ProductLiabilityContingencyLineItems_723A062C75DCFFCFCB31172BC511DDB3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Product Liability Contingency [Line Items] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProductLiabilityContingencyLineItems" xlink:label="loc_us-gaap_ProductLiabilityContingencyLineItems_723A062C75DCFFCFCB31172BC511DDB3" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProductLiabilityContingencyLineItems_723A062C75DCFFCFCB31172BC511DDB3" xlink:to="lab_us-gaap_ProductLiabilityContingencyLineItems_723A062C75DCFFCFCB31172BC511DDB3" xlink:type="arc"/>
<link:label id="lab_us-gaap_StandardProductWarrantyAccrual_6333425895B5EB260C76172BC511DCC7_verboseLabel_en-US" xlink:label="lab_us-gaap_StandardProductWarrantyAccrual_6333425895B5EB260C76172BC511DCC7" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Accrued warranty </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StandardProductWarrantyAccrual" xlink:label="loc_us-gaap_StandardProductWarrantyAccrual_6333425895B5EB260C76172BC511DCC7" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StandardProductWarrantyAccrual_6333425895B5EB260C76172BC511DCC7" xlink:to="lab_us-gaap_StandardProductWarrantyAccrual_6333425895B5EB260C76172BC511DCC7" xlink:type="arc"/>
<link:label id="lab_fstr_ConcreteTiesManufactured_9CCC0067267209CFD4E6172BC51112DC_terseLabel_en-US" xlink:label="lab_fstr_ConcreteTiesManufactured_9CCC0067267209CFD4E6172BC51112DC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Number of concrete ties manufactured </link:label>
<link:label id="lab_fstr_ConcreteTiesManufactured_9CCC0067267209CFD4E6172BC51112DC_label_en-US" xlink:label="lab_fstr_ConcreteTiesManufactured_9CCC0067267209CFD4E6172BC51112DC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Concrete Ties Manufactured </link:label>
<link:label id="lab_fstr_ConcreteTiesManufactured_9CCC0067267209CFD4E6172BC51112DC_documentation_en-US" xlink:label="lab_fstr_ConcreteTiesManufactured_9CCC0067267209CFD4E6172BC51112DC" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Total number of concrete ties manufactured. </link:label>
<link:loc xlink:href="fstr-20180331.xsd#fstr_ConcreteTiesManufactured" xlink:label="loc_fstr_ConcreteTiesManufactured_9CCC0067267209CFD4E6172BC51112DC" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fstr_ConcreteTiesManufactured_9CCC0067267209CFD4E6172BC51112DC" xlink:to="lab_fstr_ConcreteTiesManufactured_9CCC0067267209CFD4E6172BC51112DC" xlink:type="arc"/>
<link:label id="lab_fstr_ConcreteTiesManufacturedRatio_52F5BC54605B36A4C365172BC5124EEF_terseLabel_en-US" xlink:label="lab_fstr_ConcreteTiesManufacturedRatio_52F5BC54605B36A4C365172BC5124EEF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Number of concrete ties manufactured ratio </link:label>
<link:label id="lab_fstr_ConcreteTiesManufacturedRatio_52F5BC54605B36A4C365172BC5124EEF_label_en-US" xlink:label="lab_fstr_ConcreteTiesManufacturedRatio_52F5BC54605B36A4C365172BC5124EEF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Concrete Ties Manufactured Ratio </link:label>
<link:label id="lab_fstr_ConcreteTiesManufacturedRatio_52F5BC54605B36A4C365172BC5124EEF_documentation_en-US" xlink:label="lab_fstr_ConcreteTiesManufacturedRatio_52F5BC54605B36A4C365172BC5124EEF" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Concrete Ties Manufactured Ratio </link:label>
<link:loc xlink:href="fstr-20180331.xsd#fstr_ConcreteTiesManufacturedRatio" xlink:label="loc_fstr_ConcreteTiesManufacturedRatio_52F5BC54605B36A4C365172BC5124EEF" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fstr_ConcreteTiesManufacturedRatio_52F5BC54605B36A4C365172BC5124EEF" xlink:to="lab_fstr_ConcreteTiesManufacturedRatio_52F5BC54605B36A4C365172BC5124EEF" xlink:type="arc"/>
<link:label id="lab_fstr_PeriodInWhichConcreteTiesWillBeReplacedAfterSale_2CF662F9A051FB63439D172BC5121ED6_terseLabel_en-US" xlink:label="lab_fstr_PeriodInWhichConcreteTiesWillBeReplacedAfterSale_2CF662F9A051FB63439D172BC5121ED6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Period in which concrete ties will be replaced after sale </link:label>
<link:label id="lab_fstr_PeriodInWhichConcreteTiesWillBeReplacedAfterSale_2CF662F9A051FB63439D172BC5121ED6_label_en-US" xlink:label="lab_fstr_PeriodInWhichConcreteTiesWillBeReplacedAfterSale_2CF662F9A051FB63439D172BC5121ED6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Period in which concrete ties will be replaced after sale </link:label>
<link:label id="lab_fstr_PeriodInWhichConcreteTiesWillBeReplacedAfterSale_2CF662F9A051FB63439D172BC5121ED6_documentation_en-US" xlink:label="lab_fstr_PeriodInWhichConcreteTiesWillBeReplacedAfterSale_2CF662F9A051FB63439D172BC5121ED6" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Period in which concrete ties will be replaced after sale </link:label>
<link:loc xlink:href="fstr-20180331.xsd#fstr_PeriodInWhichConcreteTiesWillBeReplacedAfterSale" xlink:label="loc_fstr_PeriodInWhichConcreteTiesWillBeReplacedAfterSale_2CF662F9A051FB63439D172BC5121ED6" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fstr_PeriodInWhichConcreteTiesWillBeReplacedAfterSale_2CF662F9A051FB63439D172BC5121ED6" xlink:to="lab_fstr_PeriodInWhichConcreteTiesWillBeReplacedAfterSale_2CF662F9A051FB63439D172BC5121ED6" xlink:type="arc"/>
<link:label id="lab_fstr_WarrantyPeriod_1368C830A90324D785FF172BC51254A3_terseLabel_en-US" xlink:label="lab_fstr_WarrantyPeriod_1368C830A90324D785FF172BC51254A3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Warranty period </link:label>
<link:label id="lab_fstr_WarrantyPeriod_1368C830A90324D785FF172BC51254A3_label_en-US" xlink:label="lab_fstr_WarrantyPeriod_1368C830A90324D785FF172BC51254A3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Warranty period </link:label>
<link:label id="lab_fstr_WarrantyPeriod_1368C830A90324D785FF172BC51254A3_documentation_en-US" xlink:label="lab_fstr_WarrantyPeriod_1368C830A90324D785FF172BC51254A3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Warranty period </link:label>
<link:loc xlink:href="fstr-20180331.xsd#fstr_WarrantyPeriod" xlink:label="loc_fstr_WarrantyPeriod_1368C830A90324D785FF172BC51254A3" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fstr_WarrantyPeriod_1368C830A90324D785FF172BC51254A3" xlink:to="lab_fstr_WarrantyPeriod_1368C830A90324D785FF172BC51254A3" xlink:type="arc"/>
<link:label id="lab_fstr_WarrantyRatio_622BB487797D088FB36D172BC512FA31_terseLabel_en-US" xlink:label="lab_fstr_WarrantyRatio_622BB487797D088FB36D172BC512FA31" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Warranty ratio </link:label>
<link:label id="lab_fstr_WarrantyRatio_622BB487797D088FB36D172BC512FA31_label_en-US" xlink:label="lab_fstr_WarrantyRatio_622BB487797D088FB36D172BC512FA31" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Warranty Ratio </link:label>
<link:label id="lab_fstr_WarrantyRatio_622BB487797D088FB36D172BC512FA31_documentation_en-US" xlink:label="lab_fstr_WarrantyRatio_622BB487797D088FB36D172BC512FA31" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Warranty Ratio </link:label>
<link:loc xlink:href="fstr-20180331.xsd#fstr_WarrantyRatio" xlink:label="loc_fstr_WarrantyRatio_622BB487797D088FB36D172BC512FA31" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fstr_WarrantyRatio_622BB487797D088FB36D172BC512FA31" xlink:to="lab_fstr_WarrantyRatio_622BB487797D088FB36D172BC512FA31" xlink:type="arc"/>
<link:label id="lab_us-gaap_LitigationSettlementAmountAwardedToOtherParty_5073C6E599B954207AEE172BC51233ED_terseLabel_en-US" xlink:label="lab_us-gaap_LitigationSettlementAmountAwardedToOtherParty_5073C6E599B954207AEE172BC51233ED" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Litigation settlement amount </link:label>
<link:label id="lab_us-gaap_LitigationSettlementAmountAwardedToOtherParty_5073C6E599B954207AEE172BC51233ED_label_en-US" xlink:label="lab_us-gaap_LitigationSettlementAmountAwardedToOtherParty_5073C6E599B954207AEE172BC51233ED" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Litigation Settlement, Amount Awarded to Other Party </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LitigationSettlementAmountAwardedToOtherParty" xlink:label="loc_us-gaap_LitigationSettlementAmountAwardedToOtherParty_5073C6E599B954207AEE172BC51233ED" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LitigationSettlementAmountAwardedToOtherParty_5073C6E599B954207AEE172BC51233ED" xlink:to="lab_us-gaap_LitigationSettlementAmountAwardedToOtherParty_5073C6E599B954207AEE172BC51233ED" xlink:type="arc"/>
<link:label id="lab_us-gaap_ProductWarrantyExpense_95C82AB8EE393CE60628172BC512EC13_terseLabel_en-US" xlink:label="lab_us-gaap_ProductWarrantyExpense_95C82AB8EE393CE60628172BC512EC13" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Product warranty expense </link:label>
<link:label id="lab_us-gaap_ProductWarrantyExpense_95C82AB8EE393CE60628172BC512EC13_label_en-US" xlink:label="lab_us-gaap_ProductWarrantyExpense_95C82AB8EE393CE60628172BC512EC13" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Product Warranty Expense </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProductWarrantyExpense" xlink:label="loc_us-gaap_ProductWarrantyExpense_95C82AB8EE393CE60628172BC512EC13" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProductWarrantyExpense_95C82AB8EE393CE60628172BC512EC13" xlink:to="lab_us-gaap_ProductWarrantyExpense_95C82AB8EE393CE60628172BC512EC13" xlink:type="arc"/>
<link:label id="lab_fstr_TiesManufacturedThatDidNotMeetCriteriaToBeCoveredAsWarrantyReplacementTies_3B68499A0114F70CC513172BC512DBDF_terseLabel_en-US" xlink:label="lab_fstr_TiesManufacturedThatDidNotMeetCriteriaToBeCoveredAsWarrantyReplacementTies_3B68499A0114F70CC513172BC512DBDF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Number of ties manufactured that did not meet criteria to be covered as warranty replacement ties </link:label>
<link:label id="lab_fstr_TiesManufacturedThatDidNotMeetCriteriaToBeCoveredAsWarrantyReplacementTies_3B68499A0114F70CC513172BC512DBDF_label_en-US" xlink:label="lab_fstr_TiesManufacturedThatDidNotMeetCriteriaToBeCoveredAsWarrantyReplacementTies_3B68499A0114F70CC513172BC512DBDF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Ties manufactured that did not meet criteria to be covered as warranty replacement ties </link:label>
<link:label id="lab_fstr_TiesManufacturedThatDidNotMeetCriteriaToBeCoveredAsWarrantyReplacementTies_3B68499A0114F70CC513172BC512DBDF_documentation_en-US" xlink:label="lab_fstr_TiesManufacturedThatDidNotMeetCriteriaToBeCoveredAsWarrantyReplacementTies_3B68499A0114F70CC513172BC512DBDF" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Ties manufactured that did not meet criteria to be covered as warranty replacement ties </link:label>
<link:loc xlink:href="fstr-20180331.xsd#fstr_TiesManufacturedThatDidNotMeetCriteriaToBeCoveredAsWarrantyReplacementTies" xlink:label="loc_fstr_TiesManufacturedThatDidNotMeetCriteriaToBeCoveredAsWarrantyReplacementTies_3B68499A0114F70CC513172BC512DBDF" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fstr_TiesManufacturedThatDidNotMeetCriteriaToBeCoveredAsWarrantyReplacementTies_3B68499A0114F70CC513172BC512DBDF" xlink:to="lab_fstr_TiesManufacturedThatDidNotMeetCriteriaToBeCoveredAsWarrantyReplacementTies_3B68499A0114F70CC513172BC512DBDF" xlink:type="arc"/>
<link:label id="lab_fstr_CurePeriodToClaim_492E3767A4A3338A74BC172BC513B3FB_terseLabel_en-US" xlink:label="lab_fstr_CurePeriodToClaim_492E3767A4A3338A74BC172BC513B3FB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Cure period to claim </link:label>
<link:label id="lab_fstr_CurePeriodToClaim_492E3767A4A3338A74BC172BC513B3FB_label_en-US" xlink:label="lab_fstr_CurePeriodToClaim_492E3767A4A3338A74BC172BC513B3FB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cure period to claim </link:label>
<link:label id="lab_fstr_CurePeriodToClaim_492E3767A4A3338A74BC172BC513B3FB_documentation_en-US" xlink:label="lab_fstr_CurePeriodToClaim_492E3767A4A3338A74BC172BC513B3FB" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Cure Period to Claim </link:label>
<link:loc xlink:href="fstr-20180331.xsd#fstr_CurePeriodToClaim" xlink:label="loc_fstr_CurePeriodToClaim_492E3767A4A3338A74BC172BC513B3FB" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fstr_CurePeriodToClaim_492E3767A4A3338A74BC172BC513B3FB" xlink:to="lab_fstr_CurePeriodToClaim_492E3767A4A3338A74BC172BC513B3FB" xlink:type="arc"/>
<link:label id="lab_us-gaap_StandardProductWarrantyAccrualPeriodIncreaseDecrease_119D030A413FBA014564172BC51332E2_terseLabel_en-US" xlink:label="lab_us-gaap_StandardProductWarrantyAccrualPeriodIncreaseDecrease_119D030A413FBA014564172BC51332E2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Change in standard product warranty accrual </link:label>
<link:label id="lab_us-gaap_StandardProductWarrantyAccrualPeriodIncreaseDecrease_119D030A413FBA014564172BC51332E2_label_en-US" xlink:label="lab_us-gaap_StandardProductWarrantyAccrualPeriodIncreaseDecrease_119D030A413FBA014564172BC51332E2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Standard Product Warranty Accrual, Period Increase (Decrease) </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StandardProductWarrantyAccrualPeriodIncreaseDecrease" xlink:label="loc_us-gaap_StandardProductWarrantyAccrualPeriodIncreaseDecrease_119D030A413FBA014564172BC51332E2" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StandardProductWarrantyAccrualPeriodIncreaseDecrease_119D030A413FBA014564172BC51332E2" xlink:to="lab_us-gaap_StandardProductWarrantyAccrualPeriodIncreaseDecrease_119D030A413FBA014564172BC51332E2" xlink:type="arc"/>
<link:label id="lab_fstr_NumberOfConcreteTiesExcludedFromWarranty_EF550D76927548EF16A1172BC513EAF8_terseLabel_en-US" xlink:label="lab_fstr_NumberOfConcreteTiesExcludedFromWarranty_EF550D76927548EF16A1172BC513EAF8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Number of unreconciled warranty ties </link:label>
<link:label id="lab_fstr_NumberOfConcreteTiesExcludedFromWarranty_EF550D76927548EF16A1172BC513EAF8_label_en-US" xlink:label="lab_fstr_NumberOfConcreteTiesExcludedFromWarranty_EF550D76927548EF16A1172BC513EAF8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Number of Concrete Ties Excluded from Warranty </link:label>
<link:label id="lab_fstr_NumberOfConcreteTiesExcludedFromWarranty_EF550D76927548EF16A1172BC513EAF8_documentation_en-US" xlink:label="lab_fstr_NumberOfConcreteTiesExcludedFromWarranty_EF550D76927548EF16A1172BC513EAF8" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Total number of concrete ties excluded from warranty. </link:label>
<link:loc xlink:href="fstr-20180331.xsd#fstr_NumberOfConcreteTiesExcludedFromWarranty" xlink:label="loc_fstr_NumberOfConcreteTiesExcludedFromWarranty_EF550D76927548EF16A1172BC513EAF8" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fstr_NumberOfConcreteTiesExcludedFromWarranty_EF550D76927548EF16A1172BC513EAF8" xlink:to="lab_fstr_NumberOfConcreteTiesExcludedFromWarranty_EF550D76927548EF16A1172BC513EAF8" xlink:type="arc"/>
<link:label id="lab_us-gaap_AccrualForEnvironmentalLossContingencies_BD4C74D1ABFB12C0CA65172BC5136324_terseLabel_en-US" xlink:label="lab_us-gaap_AccrualForEnvironmentalLossContingencies_BD4C74D1ABFB12C0CA65172BC5136324" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accrual for environmental loss </link:label>
<link:label id="lab_us-gaap_AccrualForEnvironmentalLossContingencies_BD4C74D1ABFB12C0CA65172BC5136324_label_en-US" xlink:label="lab_us-gaap_AccrualForEnvironmentalLossContingencies_BD4C74D1ABFB12C0CA65172BC5136324" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accrual for Environmental Loss Contingencies </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccrualForEnvironmentalLossContingencies" xlink:label="loc_us-gaap_AccrualForEnvironmentalLossContingencies_BD4C74D1ABFB12C0CA65172BC5136324" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccrualForEnvironmentalLossContingencies_BD4C74D1ABFB12C0CA65172BC5136324" xlink:to="lab_us-gaap_AccrualForEnvironmentalLossContingencies_BD4C74D1ABFB12C0CA65172BC5136324" xlink:type="arc"/>
<link:label id="lab_us-gaap_AccrualForEnvironmentalLossContingenciesRollForward_75B5984F3F4DE076D97A98A6A4AD11A7_terseLabel_en-US" xlink:label="lab_us-gaap_AccrualForEnvironmentalLossContingenciesRollForward_FD450532565C5632BE351A8D2D44B915" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accrual for Environmental Loss Contingencies </link:label>
<link:label id="lab_us-gaap_AccrualForEnvironmentalLossContingenciesRollForward_75B5984F3F4DE076D97A98A6A4AD11A7_label_en-US" xlink:label="lab_us-gaap_AccrualForEnvironmentalLossContingenciesRollForward_FD450532565C5632BE351A8D2D44B915" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accrual for Environmental Loss Contingencies [Roll Forward] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccrualForEnvironmentalLossContingenciesRollForward" xlink:label="loc_us-gaap_AccrualForEnvironmentalLossContingenciesRollForward_FD450532565C5632BE351A8D2D44B915" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccrualForEnvironmentalLossContingenciesRollForward_FD450532565C5632BE351A8D2D44B915" xlink:to="lab_us-gaap_AccrualForEnvironmentalLossContingenciesRollForward_FD450532565C5632BE351A8D2D44B915" xlink:type="arc"/>
<link:label id="lab_us-gaap_AccrualForEnvironmentalLossContingencies_A0C62AED1170E5D2468D98A6A4AD5815_periodStartLabel_en-US" xlink:label="lab_us-gaap_AccrualForEnvironmentalLossContingencies_7A135BF8A8795A9584A53A2F0D24C46D" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US"> Environmental liability, beginning balance </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccrualForEnvironmentalLossContingencies" xlink:label="loc_us-gaap_AccrualForEnvironmentalLossContingencies_7A135BF8A8795A9584A53A2F0D24C46D" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccrualForEnvironmentalLossContingencies_7A135BF8A8795A9584A53A2F0D24C46D" xlink:to="lab_us-gaap_AccrualForEnvironmentalLossContingencies_7A135BF8A8795A9584A53A2F0D24C46D" xlink:type="arc"/>
<link:label id="lab_us-gaap_AccrualForEnvironmentalLossContingenciesChargesToExpenseForNewLosses_0146062EDA98558B8B5498A6A4AD40EE_terseLabel_en-US" xlink:label="lab_us-gaap_AccrualForEnvironmentalLossContingenciesChargesToExpenseForNewLosses_61AA5F4E6D9D5F0EBE3DFAB8CBE9F504" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Additions to environmental obligations </link:label>
<link:label id="lab_us-gaap_AccrualForEnvironmentalLossContingenciesChargesToExpenseForNewLosses_0146062EDA98558B8B5498A6A4AD40EE_label_en-US" xlink:label="lab_us-gaap_AccrualForEnvironmentalLossContingenciesChargesToExpenseForNewLosses_61AA5F4E6D9D5F0EBE3DFAB8CBE9F504" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accrual for Environmental Loss Contingencies, Charges to Expense for New Losses </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccrualForEnvironmentalLossContingenciesChargesToExpenseForNewLosses" xlink:label="loc_us-gaap_AccrualForEnvironmentalLossContingenciesChargesToExpenseForNewLosses_61AA5F4E6D9D5F0EBE3DFAB8CBE9F504" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccrualForEnvironmentalLossContingenciesChargesToExpenseForNewLosses_61AA5F4E6D9D5F0EBE3DFAB8CBE9F504" xlink:to="lab_us-gaap_AccrualForEnvironmentalLossContingenciesChargesToExpenseForNewLosses_61AA5F4E6D9D5F0EBE3DFAB8CBE9F504" xlink:type="arc"/>
<link:label id="lab_us-gaap_AccrualForEnvironmentalLossContingenciesPayments1_AECFC3F9F508EE0727DA98A6A4AFF899_negatedLabel_en-US" xlink:label="lab_us-gaap_AccrualForEnvironmentalLossContingenciesPayments1_7A539AF546F5588DACEB1239606F20AF" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Environmental obligations utilized </link:label>
<link:label id="lab_us-gaap_AccrualForEnvironmentalLossContingenciesPayments1_AECFC3F9F508EE0727DA98A6A4AFF899_label_en-US" xlink:label="lab_us-gaap_AccrualForEnvironmentalLossContingenciesPayments1_7A539AF546F5588DACEB1239606F20AF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accrual for Environmental Loss Contingencies, Payments </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccrualForEnvironmentalLossContingenciesPayments1" xlink:label="loc_us-gaap_AccrualForEnvironmentalLossContingenciesPayments1_7A539AF546F5588DACEB1239606F20AF" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccrualForEnvironmentalLossContingenciesPayments1_7A539AF546F5588DACEB1239606F20AF" xlink:to="lab_us-gaap_AccrualForEnvironmentalLossContingenciesPayments1_7A539AF546F5588DACEB1239606F20AF" xlink:type="arc"/>
<link:label id="lab_us-gaap_AccrualForEnvironmentalLossContingencies_012D881B52FBE2E8481298A6A4AF69B3_periodEndLabel_en-US" xlink:label="lab_us-gaap_AccrualForEnvironmentalLossContingencies_F4812FE4AAF658D5B60382E80FFE5C17" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US"> Environmental liability, ending balance </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccrualForEnvironmentalLossContingencies" xlink:label="loc_us-gaap_AccrualForEnvironmentalLossContingencies_F4812FE4AAF658D5B60382E80FFE5C17" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccrualForEnvironmentalLossContingencies_F4812FE4AAF658D5B60382E80FFE5C17" xlink:to="lab_us-gaap_AccrualForEnvironmentalLossContingencies_F4812FE4AAF658D5B60382E80FFE5C17" xlink:type="arc"/>
<link:label id="lab_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_4682F92AC67B8F1BB79E16AC55703702_terseLabel_en-US" xlink:label="lab_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_4682F92AC67B8F1BB79E16AC55703702" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] </link:label>
<link:label id="lab_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_4682F92AC67B8F1BB79E16AC55703702_label_en-US" xlink:label="lab_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_4682F92AC67B8F1BB79E16AC55703702" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_4682F92AC67B8F1BB79E16AC55703702" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_4682F92AC67B8F1BB79E16AC55703702" xlink:to="lab_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_4682F92AC67B8F1BB79E16AC55703702" xlink:type="arc"/>
<link:label id="lab_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis_4AF7A707CF976158688B16AC5570D78B_terseLabel_en-US" xlink:label="lab_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis_4AF7A707CF976158688B16AC5570D78B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] </link:label>
<link:label id="lab_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis_4AF7A707CF976158688B16AC5570D78B_label_en-US" xlink:label="lab_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis_4AF7A707CF976158688B16AC5570D78B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis_4AF7A707CF976158688B16AC5570D78B" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis_4AF7A707CF976158688B16AC5570D78B" xlink:to="lab_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis_4AF7A707CF976158688B16AC5570D78B" xlink:type="arc"/>
<link:label id="lab_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_26A18D16F1F4E988C45516AC557041B1_terseLabel_en-US" xlink:label="lab_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_26A18D16F1F4E988C45516AC557041B1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction </link:label>
<link:label id="lab_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_26A18D16F1F4E988C45516AC557041B1_label_en-US" xlink:label="lab_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_26A18D16F1F4E988C45516AC557041B1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_26A18D16F1F4E988C45516AC557041B1" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_26A18D16F1F4E988C45516AC557041B1" xlink:to="lab_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_26A18D16F1F4E988C45516AC557041B1" xlink:type="arc"/>
<link:label id="lab_fstr_RevenueRemainingPerformanceObligationPercentage_296BC153A70796D059A916AC5570872A_terseLabel_en-US" xlink:label="lab_fstr_RevenueRemainingPerformanceObligationPercentage_296BC153A70796D059A916AC5570872A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Revenue remaining performance obligation (percentage) </link:label>
<link:label id="lab_fstr_RevenueRemainingPerformanceObligationPercentage_296BC153A70796D059A916AC5570872A_label_en-US" xlink:label="lab_fstr_RevenueRemainingPerformanceObligationPercentage_296BC153A70796D059A916AC5570872A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Revenue, Remaining Performance Obligation, Percentage </link:label>
<link:label id="lab_fstr_RevenueRemainingPerformanceObligationPercentage_296BC153A70796D059A916AC5570872A_documentation_en-US" xlink:label="lab_fstr_RevenueRemainingPerformanceObligationPercentage_296BC153A70796D059A916AC5570872A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Revenue, Remaining Performance Obligation, Percentage </link:label>
<link:loc xlink:href="fstr-20180331.xsd#fstr_RevenueRemainingPerformanceObligationPercentage" xlink:label="loc_fstr_RevenueRemainingPerformanceObligationPercentage_296BC153A70796D059A916AC5570872A" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fstr_RevenueRemainingPerformanceObligationPercentage_296BC153A70796D059A916AC5570872A" xlink:to="lab_fstr_RevenueRemainingPerformanceObligationPercentage_296BC153A70796D059A916AC5570872A" xlink:type="arc"/>
<link:label id="lab_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod_917BE653E9A9DB9E97B716AC5570B9F4_terseLabel_en-US" xlink:label="lab_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod_917BE653E9A9DB9E97B716AC5570B9F4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Performance obligations expected to be satisfied, expected timing </link:label>
<link:label id="lab_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod_917BE653E9A9DB9E97B716AC5570B9F4_label_en-US" xlink:label="lab_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod_917BE653E9A9DB9E97B716AC5570B9F4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod_917BE653E9A9DB9E97B716AC5570B9F4" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod_917BE653E9A9DB9E97B716AC5570B9F4" xlink:to="lab_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod_917BE653E9A9DB9E97B716AC5570B9F4" xlink:type="arc"/>
<link:label id="lab_fstr_RevenueRecognitionBasisAxis_50DF07172659A9D3717716AC55709A49_terseLabel_en-US" xlink:label="lab_fstr_RevenueRecognitionBasisAxis_50DF07172659A9D3717716AC55709A49" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Revenue Recognition Basis [Axis] </link:label>
<link:label id="lab_fstr_RevenueRecognitionBasisAxis_50DF07172659A9D3717716AC55709A49_label_en-US" xlink:label="lab_fstr_RevenueRecognitionBasisAxis_50DF07172659A9D3717716AC55709A49" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Revenue Recognition Basis [Axis] </link:label>
<link:label id="lab_fstr_RevenueRecognitionBasisAxis_50DF07172659A9D3717716AC55709A49_documentation_en-US" xlink:label="lab_fstr_RevenueRecognitionBasisAxis_50DF07172659A9D3717716AC55709A49" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Revenue Recognition Basis [Axis] </link:label>
<link:loc xlink:href="fstr-20180331.xsd#fstr_RevenueRecognitionBasisAxis" xlink:label="loc_fstr_RevenueRecognitionBasisAxis_50DF07172659A9D3717716AC55709A49" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fstr_RevenueRecognitionBasisAxis_50DF07172659A9D3717716AC55709A49" xlink:to="lab_fstr_RevenueRecognitionBasisAxis_50DF07172659A9D3717716AC55709A49" xlink:type="arc"/>
<link:label id="lab_fstr_RevenueRecognitionBasisDomain_8355FA6645F719635D0516AC5570FF20_terseLabel_en-US" xlink:label="lab_fstr_RevenueRecognitionBasisDomain_8355FA6645F719635D0516AC5570FF20" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Revenue Recognition Basis [Domain] </link:label>
<link:label id="lab_fstr_RevenueRecognitionBasisDomain_8355FA6645F719635D0516AC5570FF20_label_en-US" xlink:label="lab_fstr_RevenueRecognitionBasisDomain_8355FA6645F719635D0516AC5570FF20" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Revenue Recognition Basis [Domain] </link:label>
<link:label id="lab_fstr_RevenueRecognitionBasisDomain_8355FA6645F719635D0516AC5570FF20_documentation_en-US" xlink:label="lab_fstr_RevenueRecognitionBasisDomain_8355FA6645F719635D0516AC5570FF20" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> [Domain] for Revenue Recognition Basis [Axis] </link:label>
<link:loc xlink:href="fstr-20180331.xsd#fstr_RevenueRecognitionBasisDomain" xlink:label="loc_fstr_RevenueRecognitionBasisDomain_8355FA6645F719635D0516AC5570FF20" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fstr_RevenueRecognitionBasisDomain_8355FA6645F719635D0516AC5570FF20" xlink:to="lab_fstr_RevenueRecognitionBasisDomain_8355FA6645F719635D0516AC5570FF20" xlink:type="arc"/>
<link:label id="lab_fstr_PerformanceBasedMember_2127EF31584822E3820116AC5570758E_terseLabel_en-US" xlink:label="lab_fstr_PerformanceBasedMember_2127EF31584822E3820116AC5570758E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Performance Based </link:label>
<link:label id="lab_fstr_PerformanceBasedMember_2127EF31584822E3820116AC5570758E_label_en-US" xlink:label="lab_fstr_PerformanceBasedMember_2127EF31584822E3820116AC5570758E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Performance Based [Member] </link:label>
<link:label id="lab_fstr_PerformanceBasedMember_2127EF31584822E3820116AC5570758E_documentation_en-US" xlink:label="lab_fstr_PerformanceBasedMember_2127EF31584822E3820116AC5570758E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Performance Based Member [Member] </link:label>
<link:loc xlink:href="fstr-20180331.xsd#fstr_PerformanceBasedMember" xlink:label="loc_fstr_PerformanceBasedMember_2127EF31584822E3820116AC5570758E" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fstr_PerformanceBasedMember_2127EF31584822E3820116AC5570758E" xlink:to="lab_fstr_PerformanceBasedMember_2127EF31584822E3820116AC5570758E" xlink:type="arc"/>
<link:label id="lab_fstr_DeliveryBasedMember_839460A37D408F78A0D916AC5570202F_terseLabel_en-US" xlink:label="lab_fstr_DeliveryBasedMember_839460A37D408F78A0D916AC5570202F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Delivery Based </link:label>
<link:label id="lab_fstr_DeliveryBasedMember_839460A37D408F78A0D916AC5570202F_label_en-US" xlink:label="lab_fstr_DeliveryBasedMember_839460A37D408F78A0D916AC5570202F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Delivery Based [Member] </link:label>
<link:label id="lab_fstr_DeliveryBasedMember_839460A37D408F78A0D916AC5570202F_documentation_en-US" xlink:label="lab_fstr_DeliveryBasedMember_839460A37D408F78A0D916AC5570202F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Delivery Based [Member] </link:label>
<link:loc xlink:href="fstr-20180331.xsd#fstr_DeliveryBasedMember" xlink:label="loc_fstr_DeliveryBasedMember_839460A37D408F78A0D916AC5570202F" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fstr_DeliveryBasedMember_839460A37D408F78A0D916AC5570202F" xlink:to="lab_fstr_DeliveryBasedMember_839460A37D408F78A0D916AC5570202F" xlink:type="arc"/>
<link:label id="lab_fstr_RevenueFromContractWithCustomerPercentage_CB16F4950C60DE548D6D16AC5571D6C0_terseLabel_en-US" xlink:label="lab_fstr_RevenueFromContractWithCustomerPercentage_CB16F4950C60DE548D6D16AC5571D6C0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Customer revenue transferred over-time (percentage) </link:label>
<link:label id="lab_fstr_RevenueFromContractWithCustomerPercentage_CB16F4950C60DE548D6D16AC5571D6C0_label_en-US" xlink:label="lab_fstr_RevenueFromContractWithCustomerPercentage_CB16F4950C60DE548D6D16AC5571D6C0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Revenue From Contract With Customer, Percentage </link:label>
<link:label id="lab_fstr_RevenueFromContractWithCustomerPercentage_CB16F4950C60DE548D6D16AC5571D6C0_documentation_en-US" xlink:label="lab_fstr_RevenueFromContractWithCustomerPercentage_CB16F4950C60DE548D6D16AC5571D6C0" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Revenue From Contract With Customer, Percentage </link:label>
<link:loc xlink:href="fstr-20180331.xsd#fstr_RevenueFromContractWithCustomerPercentage" xlink:label="loc_fstr_RevenueFromContractWithCustomerPercentage_CB16F4950C60DE548D6D16AC5571D6C0" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fstr_RevenueFromContractWithCustomerPercentage_CB16F4950C60DE548D6D16AC5571D6C0" xlink:to="lab_fstr_RevenueFromContractWithCustomerPercentage_CB16F4950C60DE548D6D16AC5571D6C0" xlink:type="arc"/>
<link:label id="lab_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax_77A752DD4A667B6776C016AC5571E525_terseLabel_en-US" xlink:label="lab_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax_77A752DD4A667B6776C016AC5571E525" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Revenue from contract with customer including assessed tax </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax_77A752DD4A667B6776C016AC5571E525" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax_77A752DD4A667B6776C016AC5571E525" xlink:to="lab_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax_77A752DD4A667B6776C016AC5571E525" xlink:type="arc"/>
<link:label id="lab_us-gaap_ContractWithCustomerAssetNet_C642493A02F59252D6FA16AC5571FB30_terseLabel_en-US" xlink:label="lab_us-gaap_ContractWithCustomerAssetNet_C642493A02F59252D6FA16AC5571FB30" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Contract with customer, assets </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ContractWithCustomerAssetNet" xlink:label="loc_us-gaap_ContractWithCustomerAssetNet_C642493A02F59252D6FA16AC5571FB30" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ContractWithCustomerAssetNet_C642493A02F59252D6FA16AC5571FB30" xlink:to="lab_us-gaap_ContractWithCustomerAssetNet_C642493A02F59252D6FA16AC5571FB30" xlink:type="arc"/>
<link:label id="lab_us-gaap_ContractWithCustomerLiability_BC3BC5040D3A5C5A596316AC5571B01F_terseLabel_en-US" xlink:label="lab_us-gaap_ContractWithCustomerLiability_BC3BC5040D3A5C5A596316AC5571B01F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Contract with customer, liability </link:label>
<link:label id="lab_us-gaap_ContractWithCustomerLiability_BC3BC5040D3A5C5A596316AC5571B01F_label_en-US" xlink:label="lab_us-gaap_ContractWithCustomerLiability_BC3BC5040D3A5C5A596316AC5571B01F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Contract with Customer, Liability </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ContractWithCustomerLiability" xlink:label="loc_us-gaap_ContractWithCustomerLiability_BC3BC5040D3A5C5A596316AC5571B01F" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ContractWithCustomerLiability_BC3BC5040D3A5C5A596316AC5571B01F" xlink:to="lab_us-gaap_ContractWithCustomerLiability_BC3BC5040D3A5C5A596316AC5571B01F" xlink:type="arc"/>
<link:label id="lab_us-gaap_ContractWithCustomerAssetReclassifiedToReceivable_CB4A1C9790DEFBF8FEA916C702114C32_terseLabel_en-US" xlink:label="lab_us-gaap_ContractWithCustomerAssetReclassifiedToReceivable_CB4A1C9790DEFBF8FEA916C702114C32" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Contract assets transferred to receivables </link:label>
<link:label id="lab_us-gaap_ContractWithCustomerAssetReclassifiedToReceivable_CB4A1C9790DEFBF8FEA916C702114C32_label_en-US" xlink:label="lab_us-gaap_ContractWithCustomerAssetReclassifiedToReceivable_CB4A1C9790DEFBF8FEA916C702114C32" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Contract with Customer, Asset, Reclassified to Receivable </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ContractWithCustomerAssetReclassifiedToReceivable" xlink:label="loc_us-gaap_ContractWithCustomerAssetReclassifiedToReceivable_CB4A1C9790DEFBF8FEA916C702114C32" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ContractWithCustomerAssetReclassifiedToReceivable_CB4A1C9790DEFBF8FEA916C702114C32" xlink:to="lab_us-gaap_ContractWithCustomerAssetReclassifiedToReceivable_CB4A1C9790DEFBF8FEA916C702114C32" xlink:type="arc"/>
<link:label id="lab_us-gaap_ContractWithCustomerLiabilityRevenueRecognized_E58895F7CF46A930FD8E16AC55711996_terseLabel_en-US" xlink:label="lab_us-gaap_ContractWithCustomerLiabilityRevenueRecognized_E58895F7CF46A930FD8E16AC55711996" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Revenue recognized from contract liability </link:label>
<link:label id="lab_us-gaap_ContractWithCustomerLiabilityRevenueRecognized_E58895F7CF46A930FD8E16AC55711996_label_en-US" xlink:label="lab_us-gaap_ContractWithCustomerLiabilityRevenueRecognized_E58895F7CF46A930FD8E16AC55711996" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Contract with Customer, Liability, Revenue Recognized </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ContractWithCustomerLiabilityRevenueRecognized" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityRevenueRecognized_E58895F7CF46A930FD8E16AC55711996" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ContractWithCustomerLiabilityRevenueRecognized_E58895F7CF46A930FD8E16AC55711996" xlink:to="lab_us-gaap_ContractWithCustomerLiabilityRevenueRecognized_E58895F7CF46A930FD8E16AC55711996" xlink:type="arc"/>
<link:label id="lab_fstr_ContractwithCustomerLiabilityIncreasefromCashReceipts_26B913C69D76A811C2E716AC55717C8C_terseLabel_en-US" xlink:label="lab_fstr_ContractwithCustomerLiabilityIncreasefromCashReceipts_26B913C69D76A811C2E716AC55717C8C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Cash proceeds from liability contract </link:label>
<link:label id="lab_fstr_ContractwithCustomerLiabilityIncreasefromCashReceipts_26B913C69D76A811C2E716AC55717C8C_label_en-US" xlink:label="lab_fstr_ContractwithCustomerLiabilityIncreasefromCashReceipts_26B913C69D76A811C2E716AC55717C8C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Contract with Customer, Liability, Increase from Cash Receipts </link:label>
<link:label id="lab_fstr_ContractwithCustomerLiabilityIncreasefromCashReceipts_26B913C69D76A811C2E716AC55717C8C_documentation_en-US" xlink:label="lab_fstr_ContractwithCustomerLiabilityIncreasefromCashReceipts_26B913C69D76A811C2E716AC55717C8C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Contract with Customer, Liability, Increase from Cash Receipts </link:label>
<link:loc xlink:href="fstr-20180331.xsd#fstr_ContractwithCustomerLiabilityIncreasefromCashReceipts" xlink:label="loc_fstr_ContractwithCustomerLiabilityIncreasefromCashReceipts_26B913C69D76A811C2E716AC55717C8C" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fstr_ContractwithCustomerLiabilityIncreasefromCashReceipts_26B913C69D76A811C2E716AC55717C8C" xlink:to="lab_fstr_ContractwithCustomerLiabilityIncreasefromCashReceipts_26B913C69D76A811C2E716AC55717C8C" xlink:type="arc"/>
<link:label id="lab_us-gaap_RevenueRemainingPerformanceObligation_9155DC50678BADD4A64E16AC5571BABE_terseLabel_en-US" xlink:label="lab_us-gaap_RevenueRemainingPerformanceObligation_9155DC50678BADD4A64E16AC5571BABE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Revenue remaining performance obligation </link:label>
<link:label id="lab_us-gaap_RevenueRemainingPerformanceObligation_9155DC50678BADD4A64E16AC5571BABE_label_en-US" xlink:label="lab_us-gaap_RevenueRemainingPerformanceObligation_9155DC50678BADD4A64E16AC5571BABE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Revenue, Remaining Performance Obligation </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligation" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligation_9155DC50678BADD4A64E16AC5571BABE" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligation_9155DC50678BADD4A64E16AC5571BABE" xlink:to="lab_us-gaap_RevenueRemainingPerformanceObligation_9155DC50678BADD4A64E16AC5571BABE" xlink:type="arc"/>
<link:label id="lab_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_A712BE1CB628C9570A69D4085DFB2B19_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_A712BE1CB628C9570A69D4085DFB2B19" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Property, Plant and Equipment [Table] </link:label>
<link:label id="lab_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_A712BE1CB628C9570A69D4085DFB2B19_label_en-US" xlink:label="lab_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_A712BE1CB628C9570A69D4085DFB2B19" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Property, Plant and Equipment [Table] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:label="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_A712BE1CB628C9570A69D4085DFB2B19" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_A712BE1CB628C9570A69D4085DFB2B19" xlink:to="lab_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_A712BE1CB628C9570A69D4085DFB2B19" xlink:type="arc"/>
<link:label id="lab_us-gaap_LandMember_41C66A8A348EAC8A5E49D4085DFC4979_terseLabel_en-US" xlink:label="lab_us-gaap_LandMember_41C66A8A348EAC8A5E49D4085DFC4979" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Land </link:label>
<link:label id="lab_us-gaap_LandMember_41C66A8A348EAC8A5E49D4085DFC4979_label_en-US" xlink:label="lab_us-gaap_LandMember_41C66A8A348EAC8A5E49D4085DFC4979" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Land [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LandMember" xlink:label="loc_us-gaap_LandMember_41C66A8A348EAC8A5E49D4085DFC4979" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LandMember_41C66A8A348EAC8A5E49D4085DFC4979" xlink:to="lab_us-gaap_LandMember_41C66A8A348EAC8A5E49D4085DFC4979" xlink:type="arc"/>
<link:label id="lab_fstr_ImprovementsToLandAndLeaseholdsMember_7940CAC066E5C240CEBDD4085DFEC7A2_terseLabel_en-US" xlink:label="lab_fstr_ImprovementsToLandAndLeaseholdsMember_7940CAC066E5C240CEBDD4085DFEC7A2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Improvements to land and leaseholds </link:label>
<link:label id="lab_fstr_ImprovementsToLandAndLeaseholdsMember_7940CAC066E5C240CEBDD4085DFEC7A2_label_en-US" xlink:label="lab_fstr_ImprovementsToLandAndLeaseholdsMember_7940CAC066E5C240CEBDD4085DFEC7A2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Improvements To Land And Leaseholds [Member] </link:label>
<link:label id="lab_fstr_ImprovementsToLandAndLeaseholdsMember_7940CAC066E5C240CEBDD4085DFEC7A2_documentation_en-US" xlink:label="lab_fstr_ImprovementsToLandAndLeaseholdsMember_7940CAC066E5C240CEBDD4085DFEC7A2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Improvements to land and leaseholds </link:label>
<link:loc xlink:href="fstr-20180331.xsd#fstr_ImprovementsToLandAndLeaseholdsMember" xlink:label="loc_fstr_ImprovementsToLandAndLeaseholdsMember_7940CAC066E5C240CEBDD4085DFEC7A2" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fstr_ImprovementsToLandAndLeaseholdsMember_7940CAC066E5C240CEBDD4085DFEC7A2" xlink:to="lab_fstr_ImprovementsToLandAndLeaseholdsMember_7940CAC066E5C240CEBDD4085DFEC7A2" xlink:type="arc"/>
<link:label id="lab_us-gaap_BuildingMember_D1D98A6231800251BE59D4085DFE1181_terseLabel_en-US" xlink:label="lab_us-gaap_BuildingMember_D1D98A6231800251BE59D4085DFE1181" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Buildings </link:label>
<link:label id="lab_us-gaap_BuildingMember_D1D98A6231800251BE59D4085DFE1181_label_en-US" xlink:label="lab_us-gaap_BuildingMember_D1D98A6231800251BE59D4085DFE1181" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Building [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_BuildingMember" xlink:label="loc_us-gaap_BuildingMember_D1D98A6231800251BE59D4085DFE1181" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BuildingMember_D1D98A6231800251BE59D4085DFE1181" xlink:to="lab_us-gaap_BuildingMember_D1D98A6231800251BE59D4085DFE1181" xlink:type="arc"/>
<link:label id="lab_fstr_MachineryAndEquipmentIncludingEquipmentUnderCapitalizedLeasesMember_C97AE1B5BAA5420ACDA9D4085DFEB0A9_terseLabel_en-US" xlink:label="lab_fstr_MachineryAndEquipmentIncludingEquipmentUnderCapitalizedLeasesMember_C97AE1B5BAA5420ACDA9D4085DFEB0A9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Machinery and equipment, including equipment under capitalized leases </link:label>
<link:label id="lab_fstr_MachineryAndEquipmentIncludingEquipmentUnderCapitalizedLeasesMember_C97AE1B5BAA5420ACDA9D4085DFEB0A9_label_en-US" xlink:label="lab_fstr_MachineryAndEquipmentIncludingEquipmentUnderCapitalizedLeasesMember_C97AE1B5BAA5420ACDA9D4085DFEB0A9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Machinery And Equipment Including Equipment Under Capitalized Leases [Member] </link:label>
<link:label id="lab_fstr_MachineryAndEquipmentIncludingEquipmentUnderCapitalizedLeasesMember_C97AE1B5BAA5420ACDA9D4085DFEB0A9_documentation_en-US" xlink:label="lab_fstr_MachineryAndEquipmentIncludingEquipmentUnderCapitalizedLeasesMember_C97AE1B5BAA5420ACDA9D4085DFEB0A9" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Machinery and equipment including equipment under capitalized leases. </link:label>
<link:loc xlink:href="fstr-20180331.xsd#fstr_MachineryAndEquipmentIncludingEquipmentUnderCapitalizedLeasesMember" xlink:label="loc_fstr_MachineryAndEquipmentIncludingEquipmentUnderCapitalizedLeasesMember_C97AE1B5BAA5420ACDA9D4085DFEB0A9" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fstr_MachineryAndEquipmentIncludingEquipmentUnderCapitalizedLeasesMember_C97AE1B5BAA5420ACDA9D4085DFEB0A9" xlink:to="lab_fstr_MachineryAndEquipmentIncludingEquipmentUnderCapitalizedLeasesMember_C97AE1B5BAA5420ACDA9D4085DFEB0A9" xlink:type="arc"/>
<link:label id="lab_us-gaap_ConstructionInProgressMember_CEBBA99B228B3A83E993D4085DFE3583_terseLabel_en-US" xlink:label="lab_us-gaap_ConstructionInProgressMember_CEBBA99B228B3A83E993D4085DFE3583" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Construction in progress </link:label>
<link:label id="lab_us-gaap_ConstructionInProgressMember_CEBBA99B228B3A83E993D4085DFE3583_label_en-US" xlink:label="lab_us-gaap_ConstructionInProgressMember_CEBBA99B228B3A83E993D4085DFE3583" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Construction in Progress [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ConstructionInProgressMember" xlink:label="loc_us-gaap_ConstructionInProgressMember_CEBBA99B228B3A83E993D4085DFE3583" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ConstructionInProgressMember_CEBBA99B228B3A83E993D4085DFE3583" xlink:to="lab_us-gaap_ConstructionInProgressMember_CEBBA99B228B3A83E993D4085DFE3583" xlink:type="arc"/>
<link:label id="lab_us-gaap_PropertyPlantAndEquipmentLineItems_F2803FF7C000BAB972D3D4085DFEDE4B_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentLineItems_F2803FF7C000BAB972D3D4085DFEDE4B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Property, Plant and Equipment </link:label>
<link:label id="lab_us-gaap_PropertyPlantAndEquipmentLineItems_F2803FF7C000BAB972D3D4085DFEDE4B_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentLineItems_F2803FF7C000BAB972D3D4085DFEDE4B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Property, Plant and Equipment [Line Items] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PropertyPlantAndEquipmentLineItems" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentLineItems_F2803FF7C000BAB972D3D4085DFEDE4B" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_F2803FF7C000BAB972D3D4085DFEDE4B" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentLineItems_F2803FF7C000BAB972D3D4085DFEDE4B" xlink:type="arc"/>
<link:label id="lab_us-gaap_PropertyPlantAndEquipmentGross_54AA22D11C651CE75264D4085DFEEE8C_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentGross_54AA22D11C651CE75264D4085DFEEE8C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Property, plant and equipment - gross </link:label>
<link:label id="lab_us-gaap_PropertyPlantAndEquipmentGross_54AA22D11C651CE75264D4085DFEEE8C_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentGross_54AA22D11C651CE75264D4085DFEEE8C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Property, Plant and Equipment, Gross </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PropertyPlantAndEquipmentGross" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross_54AA22D11C651CE75264D4085DFEEE8C" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentGross_54AA22D11C651CE75264D4085DFEEE8C" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentGross_54AA22D11C651CE75264D4085DFEEE8C" xlink:type="arc"/>
<link:label id="lab_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_21FA2AA658451D9DA0C0D4085DFEF07E_terseLabel_en-US" xlink:label="lab_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_21FA2AA658451D9DA0C0D4085DFEF07E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Less accumulated depreciation and amortization, including accumulated amortization of capitalized leases </link:label>
<link:label id="lab_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_21FA2AA658451D9DA0C0D4085DFEF07E_label_en-US" xlink:label="lab_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_21FA2AA658451D9DA0C0D4085DFEF07E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_21FA2AA658451D9DA0C0D4085DFEF07E" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_21FA2AA658451D9DA0C0D4085DFEF07E" xlink:to="lab_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_21FA2AA658451D9DA0C0D4085DFEF07E" xlink:type="arc"/>
<link:label id="lab_us-gaap_PropertyPlantAndEquipmentNet_40C6B56CC7A4524320D2D4085DFE4FDA_totalLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentNet_40C6B56CC7A4524320D2D4085DFE4FDA" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total property, plant and equipment, net </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_40C6B56CC7A4524320D2D4085DFE4FDA" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentNet_40C6B56CC7A4524320D2D4085DFE4FDA" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentNet_40C6B56CC7A4524320D2D4085DFE4FDA" xlink:type="arc"/>
<link:label id="lab_us-gaap_TangibleAssetImpairmentCharges_B1C02ED07F8A720C24B0D4085DFF94C3_terseLabel_en-US" xlink:label="lab_us-gaap_TangibleAssetImpairmentCharges_B1C02ED07F8A720C24B0D4085DFF94C3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Asset impairment charge </link:label>
<link:label id="lab_us-gaap_TangibleAssetImpairmentCharges_B1C02ED07F8A720C24B0D4085DFF94C3_label_en-US" xlink:label="lab_us-gaap_TangibleAssetImpairmentCharges_B1C02ED07F8A720C24B0D4085DFF94C3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Tangible Asset Impairment Charges </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TangibleAssetImpairmentCharges" xlink:label="loc_us-gaap_TangibleAssetImpairmentCharges_B1C02ED07F8A720C24B0D4085DFF94C3" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TangibleAssetImpairmentCharges_B1C02ED07F8A720C24B0D4085DFF94C3" xlink:to="lab_us-gaap_TangibleAssetImpairmentCharges_B1C02ED07F8A720C24B0D4085DFF94C3" xlink:type="arc"/>
<link:label id="lab_us-gaap_PropertyPlantAndEquipmentTextBlock_8DB959897BAC7F6F6AC87AE347817A08_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentTextBlock_20ECF6E54A195A12A77AE5D2427B61B6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Property, Plant and Equipment </link:label>
<link:label id="lab_us-gaap_PropertyPlantAndEquipmentTextBlock_8DB959897BAC7F6F6AC87AE347817A08_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentTextBlock_20ECF6E54A195A12A77AE5D2427B61B6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Property, Plant and Equipment [Table Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTextBlock" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTextBlock_20ECF6E54A195A12A77AE5D2427B61B6" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTextBlock_20ECF6E54A195A12A77AE5D2427B61B6" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentTextBlock_20ECF6E54A195A12A77AE5D2427B61B6" xlink:type="arc"/>
<link:label id="lab_us-gaap_MovementInStandardProductWarrantyAccrualRollForward_442B2E9A76A33CD5B163966724EE431B_terseLabel_en-US" xlink:label="lab_us-gaap_MovementInStandardProductWarrantyAccrualRollForward_DB83DD904AE15F2C851431749271990D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Movement in Standard Product Warranty Accrual </link:label>
<link:label id="lab_us-gaap_MovementInStandardProductWarrantyAccrualRollForward_442B2E9A76A33CD5B163966724EE431B_label_en-US" xlink:label="lab_us-gaap_MovementInStandardProductWarrantyAccrualRollForward_DB83DD904AE15F2C851431749271990D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Movement in Standard Product Warranty Accrual [Roll Forward] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MovementInStandardProductWarrantyAccrualRollForward" xlink:label="loc_us-gaap_MovementInStandardProductWarrantyAccrualRollForward_DB83DD904AE15F2C851431749271990D" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_MovementInStandardProductWarrantyAccrualRollForward_DB83DD904AE15F2C851431749271990D" xlink:to="lab_us-gaap_MovementInStandardProductWarrantyAccrualRollForward_DB83DD904AE15F2C851431749271990D" xlink:type="arc"/>
<link:label id="lab_us-gaap_StandardProductWarrantyAccrual_4F67D6FE0C06E5F91786966724EE980A_periodStartLabel_en-US" xlink:label="lab_us-gaap_StandardProductWarrantyAccrual_353BE832919B5D33A7A36F3E8001B7B1" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US"> Beginning balance </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StandardProductWarrantyAccrual" xlink:label="loc_us-gaap_StandardProductWarrantyAccrual_353BE832919B5D33A7A36F3E8001B7B1" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StandardProductWarrantyAccrual_353BE832919B5D33A7A36F3E8001B7B1" xlink:to="lab_us-gaap_StandardProductWarrantyAccrual_353BE832919B5D33A7A36F3E8001B7B1" xlink:type="arc"/>
<link:label id="lab_us-gaap_StandardProductWarrantyAccrualWarrantiesIssued_6CE5FC3D36D9797B44B7966724EE717A_terseLabel_en-US" xlink:label="lab_us-gaap_StandardProductWarrantyAccrualWarrantiesIssued_5332F0ED48065D9C98886B4A1DFD561F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Additions to warranty liability </link:label>
<link:label id="lab_us-gaap_StandardProductWarrantyAccrualWarrantiesIssued_6CE5FC3D36D9797B44B7966724EE717A_label_en-US" xlink:label="lab_us-gaap_StandardProductWarrantyAccrualWarrantiesIssued_5332F0ED48065D9C98886B4A1DFD561F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Standard Product Warranty Accrual, Increase for Warranties Issued </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StandardProductWarrantyAccrualWarrantiesIssued" xlink:label="loc_us-gaap_StandardProductWarrantyAccrualWarrantiesIssued_5332F0ED48065D9C98886B4A1DFD561F" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StandardProductWarrantyAccrualWarrantiesIssued_5332F0ED48065D9C98886B4A1DFD561F" xlink:to="lab_us-gaap_StandardProductWarrantyAccrualWarrantiesIssued_5332F0ED48065D9C98886B4A1DFD561F" xlink:type="arc"/>
<link:label id="lab_us-gaap_StandardProductWarrantyAccrualPayments_75E983C69916EAC501A2966724EEB87D_negatedLabel_en-US" xlink:label="lab_us-gaap_StandardProductWarrantyAccrualPayments_E0589378333459D883919E082B116A94" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Warranty liability utilized </link:label>
<link:label id="lab_us-gaap_StandardProductWarrantyAccrualPayments_75E983C69916EAC501A2966724EEB87D_label_en-US" xlink:label="lab_us-gaap_StandardProductWarrantyAccrualPayments_E0589378333459D883919E082B116A94" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Standard Product Warranty Accrual, Decrease for Payments </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StandardProductWarrantyAccrualPayments" xlink:label="loc_us-gaap_StandardProductWarrantyAccrualPayments_E0589378333459D883919E082B116A94" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StandardProductWarrantyAccrualPayments_E0589378333459D883919E082B116A94" xlink:to="lab_us-gaap_StandardProductWarrantyAccrualPayments_E0589378333459D883919E082B116A94" xlink:type="arc"/>
<link:label id="lab_us-gaap_StandardProductWarrantyAccrual_6185DB6AC82FCA7DBCEA966724EE13D9_periodEndLabel_en-US" xlink:label="lab_us-gaap_StandardProductWarrantyAccrual_C57FCD37FF7E558FA9A0F58FECF9AD8D" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US"> Ending balance </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StandardProductWarrantyAccrual" xlink:label="loc_us-gaap_StandardProductWarrantyAccrual_C57FCD37FF7E558FA9A0F58FECF9AD8D" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StandardProductWarrantyAccrual_C57FCD37FF7E558FA9A0F58FECF9AD8D" xlink:to="lab_us-gaap_StandardProductWarrantyAccrual_C57FCD37FF7E558FA9A0F58FECF9AD8D" xlink:type="arc"/>
<link:label id="lab_us-gaap_ScheduleOfProductWarrantyLiabilityTableTextBlock_9ECF05699F2DFCC09160966724FEBCE6_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfProductWarrantyLiabilityTableTextBlock_B74EEE136B415A89A8ABF42312D8780D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Product Warranty Liability </link:label>
<link:label id="lab_us-gaap_ScheduleOfProductWarrantyLiabilityTableTextBlock_9ECF05699F2DFCC09160966724FEBCE6_label_en-US" xlink:label="lab_us-gaap_ScheduleOfProductWarrantyLiabilityTableTextBlock_B74EEE136B415A89A8ABF42312D8780D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Product Warranty Liability [Table Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfProductWarrantyLiabilityTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfProductWarrantyLiabilityTableTextBlock_B74EEE136B415A89A8ABF42312D8780D" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfProductWarrantyLiabilityTableTextBlock_B74EEE136B415A89A8ABF42312D8780D" xlink:to="lab_us-gaap_ScheduleOfProductWarrantyLiabilityTableTextBlock_B74EEE136B415A89A8ABF42312D8780D" xlink:type="arc"/>
<link:label id="lab_us-gaap_ScheduleOfEnvironmentalLossContingenciesBySiteTextBlock_3C8FF39B3864BA9CA481966724FEC828_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfEnvironmentalLossContingenciesBySiteTextBlock_C50E956B61615EA9BFF8CFCEC326203F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Environmental Loss Contingencies </link:label>
<link:label id="lab_us-gaap_ScheduleOfEnvironmentalLossContingenciesBySiteTextBlock_3C8FF39B3864BA9CA481966724FEC828_label_en-US" xlink:label="lab_us-gaap_ScheduleOfEnvironmentalLossContingenciesBySiteTextBlock_C50E956B61615EA9BFF8CFCEC326203F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Environmental Loss Contingencies by Site [Table Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfEnvironmentalLossContingenciesBySiteTextBlock" xlink:label="loc_us-gaap_ScheduleOfEnvironmentalLossContingenciesBySiteTextBlock_C50E956B61615EA9BFF8CFCEC326203F" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfEnvironmentalLossContingenciesBySiteTextBlock_C50E956B61615EA9BFF8CFCEC326203F" xlink:to="lab_us-gaap_ScheduleOfEnvironmentalLossContingenciesBySiteTextBlock_C50E956B61615EA9BFF8CFCEC326203F" xlink:type="arc"/>
<link:label id="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsReceivableCurrent_D58D824A6284E473CDFFDEBE492F440A_terseLabel_en-US" xlink:label="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsReceivableCurrent_D58D824A6284E473CDFFDEBE492F440A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2018 </link:label>
<link:label id="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsReceivableCurrent_D58D824A6284E473CDFFDEBE492F440A_label_en-US" xlink:label="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsReceivableCurrent_D58D824A6284E473CDFFDEBE492F440A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Capital Leases, Future Minimum Payments Receivable, Next Twelve Months </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsReceivableCurrent" xlink:label="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsReceivableCurrent_D58D824A6284E473CDFFDEBE492F440A" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsReceivableCurrent_D58D824A6284E473CDFFDEBE492F440A" xlink:to="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsReceivableCurrent_D58D824A6284E473CDFFDEBE492F440A" xlink:type="arc"/>
<link:label id="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsReceivableInTwoYears_5C53E9B9DA399FDD8976DEBE492F8687_terseLabel_en-US" xlink:label="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsReceivableInTwoYears_5C53E9B9DA399FDD8976DEBE492F8687" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2019 </link:label>
<link:label id="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsReceivableInTwoYears_5C53E9B9DA399FDD8976DEBE492F8687_label_en-US" xlink:label="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsReceivableInTwoYears_5C53E9B9DA399FDD8976DEBE492F8687" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Capital Leases, Future Minimum Payments, Receivable in Two Years </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsReceivableInTwoYears" xlink:label="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsReceivableInTwoYears_5C53E9B9DA399FDD8976DEBE492F8687" xlink:type="locator"/>
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<link:label id="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsReceivable_2206B536CD80E0C168B3DEBE492F60C3_totalLabel_en-US" xlink:label="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsReceivable_2206B536CD80E0C168B3DEBE492F60C3" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total future capital lease receivable </link:label>
<link:label id="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsReceivable_2206B536CD80E0C168B3DEBE492F60C3_label_en-US" xlink:label="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsReceivable_2206B536CD80E0C168B3DEBE492F60C3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Capital Leases, Future Minimum Payments Receivable </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsReceivable" xlink:label="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsReceivable_2206B536CD80E0C168B3DEBE492F60C3" xlink:type="locator"/>
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<link:label id="lab_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock_1C408EB27E6462C1748F7AE3481E3AC7_terseLabel_en-US" xlink:label="lab_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock_E0CD86C279895B1FAB117446DCB906DB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Financial Statements </link:label>
<link:label id="lab_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock_1C408EB27E6462C1748F7AE3481E3AC7_label_en-US" xlink:label="lab_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock_E0CD86C279895B1FAB117446DCB906DB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock" xlink:label="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock_E0CD86C279895B1FAB117446DCB906DB" xlink:type="locator"/>
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<link:label id="lab_us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock_FDAB473A29FBDA0C21AE7AE347C5885F_terseLabel_en-US" xlink:label="lab_us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock_825CB743BE235A859304305C140A5B11" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Goodwill and Other Intangible Assets </link:label>
<link:label id="lab_us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock_FDAB473A29FBDA0C21AE7AE347C5885F_label_en-US" xlink:label="lab_us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock_825CB743BE235A859304305C140A5B11" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Goodwill and Intangible Assets Disclosure [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock" xlink:label="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock_825CB743BE235A859304305C140A5B11" xlink:type="locator"/>
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<link:label id="lab_us-gaap_EarningsPerShareTextBlock_651F4A8A9731E9B438477AE3474FDB0D_terseLabel_en-US" xlink:label="lab_us-gaap_EarningsPerShareTextBlock_B3335818719F5779B31746E3E8DA8409" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Earnings Per Common Share </link:label>
<link:label id="lab_us-gaap_EarningsPerShareTextBlock_651F4A8A9731E9B438477AE3474FDB0D_label_en-US" xlink:label="lab_us-gaap_EarningsPerShareTextBlock_B3335818719F5779B31746E3E8DA8409" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Earnings Per Share [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EarningsPerShareTextBlock" xlink:label="loc_us-gaap_EarningsPerShareTextBlock_B3335818719F5779B31746E3E8DA8409" xlink:type="locator"/>
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<link:label id="lab_fstr_PncBankN.a.BankOfAmericaN.a.WellsFargoBankN.a.CitizensBankOfPennsylvaniaAndBranchBankingAndTrustCompanyMember_383D769EA6F0C8F4C542FE909FB24EBC_terseLabel_en-US" xlink:label="lab_fstr_PncBankN.a.BankOfAmericaN.a.WellsFargoBankN.a.CitizensBankOfPennsylvaniaAndBranchBankingAndTrustCompanyMember_383D769EA6F0C8F4C542FE909FB24EBC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> PNC Bank, N.A., Bank of America, N.A., Wells Fargo Bank, N.A., Citizens Bank of Pennsylvania, and Branch Banking and Trust Company </link:label>
<link:label id="lab_fstr_PncBankN.a.BankOfAmericaN.a.WellsFargoBankN.a.CitizensBankOfPennsylvaniaAndBranchBankingAndTrustCompanyMember_383D769EA6F0C8F4C542FE909FB24EBC_label_en-US" xlink:label="lab_fstr_PncBankN.a.BankOfAmericaN.a.WellsFargoBankN.a.CitizensBankOfPennsylvaniaAndBranchBankingAndTrustCompanyMember_383D769EA6F0C8F4C542FE909FB24EBC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Pnc Bank N.a. Bank Of America N.a. Wells Fargo Bank N.a. Citizens Bank Of Pennsylvania And Branch Banking And Trust Company [Member] </link:label>
<link:label id="lab_fstr_PncBankN.a.BankOfAmericaN.a.WellsFargoBankN.a.CitizensBankOfPennsylvaniaAndBranchBankingAndTrustCompanyMember_383D769EA6F0C8F4C542FE909FB24EBC_documentation_en-US" xlink:label="lab_fstr_PncBankN.a.BankOfAmericaN.a.WellsFargoBankN.a.CitizensBankOfPennsylvaniaAndBranchBankingAndTrustCompanyMember_383D769EA6F0C8F4C542FE909FB24EBC" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> PNC Bank, N.A., Bank of America, N.A., Wells Fargo Bank, N.A., Citizens Bank of Pennsylvania, and Branch Banking and Trust Company [Member] </link:label>
<link:loc xlink:href="fstr-20180331.xsd#fstr_PncBankN.a.BankOfAmericaN.a.WellsFargoBankN.a.CitizensBankOfPennsylvaniaAndBranchBankingAndTrustCompanyMember" xlink:label="loc_fstr_PncBankN.a.BankOfAmericaN.a.WellsFargoBankN.a.CitizensBankOfPennsylvaniaAndBranchBankingAndTrustCompanyMember_383D769EA6F0C8F4C542FE909FB24EBC" xlink:type="locator"/>
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<link:label id="lab_us-gaap_RevolvingCreditFacilityMember_FBDE6B2A342BC2023496FE909FB3CFB0_terseLabel_en-US" xlink:label="lab_us-gaap_RevolvingCreditFacilityMember_FBDE6B2A342BC2023496FE909FB3CFB0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Revolving Credit Facility </link:label>
<link:label id="lab_us-gaap_RevolvingCreditFacilityMember_FBDE6B2A342BC2023496FE909FB3CFB0_label_en-US" xlink:label="lab_us-gaap_RevolvingCreditFacilityMember_FBDE6B2A342BC2023496FE909FB3CFB0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Revolving Credit Facility [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RevolvingCreditFacilityMember" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_FBDE6B2A342BC2023496FE909FB3CFB0" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ScenarioForecastMember_1F9EDC05521B8DFABE6EFE909FB3F20E_terseLabel_en-US" xlink:label="lab_us-gaap_ScenarioForecastMember_1F9EDC05521B8DFABE6EFE909FB3F20E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Forecasted </link:label>
<link:label id="lab_us-gaap_ScenarioForecastMember_1F9EDC05521B8DFABE6EFE909FB3F20E_label_en-US" xlink:label="lab_us-gaap_ScenarioForecastMember_1F9EDC05521B8DFABE6EFE909FB3F20E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Scenario, Forecast [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScenarioForecastMember" xlink:label="loc_us-gaap_ScenarioForecastMember_1F9EDC05521B8DFABE6EFE909FB3F20E" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScenarioForecastMember_1F9EDC05521B8DFABE6EFE909FB3F20E" xlink:to="lab_us-gaap_ScenarioForecastMember_1F9EDC05521B8DFABE6EFE909FB3F20E" xlink:type="arc"/>
<link:label id="lab_us-gaap_EurodollarMember_F7C82F3878EF80ACE54DFE909FB39DFA_terseLabel_en-US" xlink:label="lab_us-gaap_EurodollarMember_F7C82F3878EF80ACE54DFE909FB39DFA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Euro-rate </link:label>
<link:label id="lab_us-gaap_EurodollarMember_F7C82F3878EF80ACE54DFE909FB39DFA_label_en-US" xlink:label="lab_us-gaap_EurodollarMember_F7C82F3878EF80ACE54DFE909FB39DFA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Eurodollar [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EurodollarMember" xlink:label="loc_us-gaap_EurodollarMember_F7C82F3878EF80ACE54DFE909FB39DFA" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EurodollarMember_F7C82F3878EF80ACE54DFE909FB39DFA" xlink:to="lab_us-gaap_EurodollarMember_F7C82F3878EF80ACE54DFE909FB39DFA" xlink:type="arc"/>
<link:label id="lab_fstr_TierAxis_03B12BA03DED6A6A7291FE909FB37BAE_terseLabel_en-US" xlink:label="lab_fstr_TierAxis_03B12BA03DED6A6A7291FE909FB37BAE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Tier [Axis] </link:label>
<link:label id="lab_fstr_TierAxis_03B12BA03DED6A6A7291FE909FB37BAE_label_en-US" xlink:label="lab_fstr_TierAxis_03B12BA03DED6A6A7291FE909FB37BAE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Tier [Axis] </link:label>
<link:label id="lab_fstr_TierAxis_03B12BA03DED6A6A7291FE909FB37BAE_documentation_en-US" xlink:label="lab_fstr_TierAxis_03B12BA03DED6A6A7291FE909FB37BAE" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Tier [Axis] </link:label>
<link:loc xlink:href="fstr-20180331.xsd#fstr_TierAxis" xlink:label="loc_fstr_TierAxis_03B12BA03DED6A6A7291FE909FB37BAE" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fstr_TierAxis_03B12BA03DED6A6A7291FE909FB37BAE" xlink:to="lab_fstr_TierAxis_03B12BA03DED6A6A7291FE909FB37BAE" xlink:type="arc"/>
<link:label id="lab_fstr_TierDomain_E8E2AFAE50E4A0D0C6E3FE909FB3898A_terseLabel_en-US" xlink:label="lab_fstr_TierDomain_E8E2AFAE50E4A0D0C6E3FE909FB3898A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Tier [Domain] </link:label>
<link:label id="lab_fstr_TierDomain_E8E2AFAE50E4A0D0C6E3FE909FB3898A_label_en-US" xlink:label="lab_fstr_TierDomain_E8E2AFAE50E4A0D0C6E3FE909FB3898A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Tier [Domain] </link:label>
<link:label id="lab_fstr_TierDomain_E8E2AFAE50E4A0D0C6E3FE909FB3898A_documentation_en-US" xlink:label="lab_fstr_TierDomain_E8E2AFAE50E4A0D0C6E3FE909FB3898A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> [Domain] for Tier [Axis] </link:label>
<link:loc xlink:href="fstr-20180331.xsd#fstr_TierDomain" xlink:label="loc_fstr_TierDomain_E8E2AFAE50E4A0D0C6E3FE909FB3898A" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fstr_TierDomain_E8E2AFAE50E4A0D0C6E3FE909FB3898A" xlink:to="lab_fstr_TierDomain_E8E2AFAE50E4A0D0C6E3FE909FB3898A" xlink:type="arc"/>
<link:label id="lab_fstr_LowestTierMember_9CFC6E807A064DBA95BBFE909FB30E6E_terseLabel_en-US" xlink:label="lab_fstr_LowestTierMember_9CFC6E807A064DBA95BBFE909FB30E6E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Lowest Tier </link:label>
<link:label id="lab_fstr_LowestTierMember_9CFC6E807A064DBA95BBFE909FB30E6E_label_en-US" xlink:label="lab_fstr_LowestTierMember_9CFC6E807A064DBA95BBFE909FB30E6E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Lowest Tier [Member] </link:label>
<link:label id="lab_fstr_LowestTierMember_9CFC6E807A064DBA95BBFE909FB30E6E_documentation_en-US" xlink:label="lab_fstr_LowestTierMember_9CFC6E807A064DBA95BBFE909FB30E6E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Lowest Tier [Member] </link:label>
<link:loc xlink:href="fstr-20180331.xsd#fstr_LowestTierMember" xlink:label="loc_fstr_LowestTierMember_9CFC6E807A064DBA95BBFE909FB30E6E" xlink:type="locator"/>
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<link:label id="lab_us-gaap_SubsequentEventTypeAxis_4F33DB9152F831761D34FEA3D4D66D0E_terseLabel_en-US" xlink:label="lab_us-gaap_SubsequentEventTypeAxis_4F33DB9152F831761D34FEA3D4D66D0E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Subsequent Event Type [Axis] </link:label>
<link:label id="lab_us-gaap_SubsequentEventTypeAxis_4F33DB9152F831761D34FEA3D4D66D0E_label_en-US" xlink:label="lab_us-gaap_SubsequentEventTypeAxis_4F33DB9152F831761D34FEA3D4D66D0E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Subsequent Event Type [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SubsequentEventTypeAxis" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_4F33DB9152F831761D34FEA3D4D66D0E" xlink:type="locator"/>
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<link:label id="lab_us-gaap_SubsequentEventTypeDomain_6B1B2B6132D59323A45CFEA4A71D24C8_terseLabel_en-US" xlink:label="lab_us-gaap_SubsequentEventTypeDomain_6B1B2B6132D59323A45CFEA4A71D24C8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Subsequent Event Type [Domain] </link:label>
<link:label id="lab_us-gaap_SubsequentEventTypeDomain_6B1B2B6132D59323A45CFEA4A71D24C8_label_en-US" xlink:label="lab_us-gaap_SubsequentEventTypeDomain_6B1B2B6132D59323A45CFEA4A71D24C8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Subsequent Event Type [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_6B1B2B6132D59323A45CFEA4A71D24C8" xlink:type="locator"/>
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<link:label id="lab_us-gaap_SubsequentEventMember_C9BC4E03BEB9EC20135FFEA45255E348_terseLabel_en-US" xlink:label="lab_us-gaap_SubsequentEventMember_C9BC4E03BEB9EC20135FFEA45255E348" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Subsequent Event </link:label>
<link:label id="lab_us-gaap_SubsequentEventMember_C9BC4E03BEB9EC20135FFEA45255E348_label_en-US" xlink:label="lab_us-gaap_SubsequentEventMember_C9BC4E03BEB9EC20135FFEA45255E348" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Subsequent Event [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SubsequentEventMember" xlink:label="loc_us-gaap_SubsequentEventMember_C9BC4E03BEB9EC20135FFEA45255E348" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SubsequentEventMember_C9BC4E03BEB9EC20135FFEA45255E348" xlink:to="lab_us-gaap_SubsequentEventMember_C9BC4E03BEB9EC20135FFEA45255E348" xlink:type="arc"/>
<link:label id="lab_us-gaap_LoansPayable_74E5E94BA46E4303DDE3FE909FB7F641_terseLabel_en-US" xlink:label="lab_us-gaap_LoansPayable_74E5E94BA46E4303DDE3FE909FB7F641" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Term loan </link:label>
<link:label id="lab_us-gaap_LoansPayable_74E5E94BA46E4303DDE3FE909FB7F641_label_en-US" xlink:label="lab_us-gaap_LoansPayable_74E5E94BA46E4303DDE3FE909FB7F641" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Loans Payable </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LoansPayable" xlink:label="loc_us-gaap_LoansPayable_74E5E94BA46E4303DDE3FE909FB7F641" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LoansPayable_74E5E94BA46E4303DDE3FE909FB7F641" xlink:to="lab_us-gaap_LoansPayable_74E5E94BA46E4303DDE3FE909FB7F641" xlink:type="arc"/>
<link:label id="lab_fstr_LeverageRatioInSeventhQuarter_A250EAF069BC5B5BFC36FE909FB721F4_terseLabel_en-US" xlink:label="lab_fstr_LeverageRatioInSeventhQuarter_A250EAF069BC5B5BFC36FE909FB721F4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Leverage ratio in effect for the seventh quarter of a credit agreement </link:label>
<link:label id="lab_fstr_LeverageRatioInSeventhQuarter_A250EAF069BC5B5BFC36FE909FB721F4_label_en-US" xlink:label="lab_fstr_LeverageRatioInSeventhQuarter_A250EAF069BC5B5BFC36FE909FB721F4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Leverage ratio in seventh quarter </link:label>
<link:label id="lab_fstr_LeverageRatioInSeventhQuarter_A250EAF069BC5B5BFC36FE909FB721F4_documentation_en-US" xlink:label="lab_fstr_LeverageRatioInSeventhQuarter_A250EAF069BC5B5BFC36FE909FB721F4" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Leverage ratio in effect for the seventh quarter of a credit agreement. </link:label>
<link:loc xlink:href="fstr-20180331.xsd#fstr_LeverageRatioInSeventhQuarter" xlink:label="loc_fstr_LeverageRatioInSeventhQuarter_A250EAF069BC5B5BFC36FE909FB721F4" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fstr_LeverageRatioInSeventhQuarter_A250EAF069BC5B5BFC36FE909FB721F4" xlink:to="lab_fstr_LeverageRatioInSeventhQuarter_A250EAF069BC5B5BFC36FE909FB721F4" xlink:type="arc"/>
<link:label id="lab_fstr_LeverageRatioThereafter_22ED18C0C52CF479C1BEFE909FB705D8_terseLabel_en-US" xlink:label="lab_fstr_LeverageRatioThereafter_22ED18C0C52CF479C1BEFE909FB705D8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Leverage ratio in effect for the eighth quarter and remainder of a credit agreement </link:label>
<link:label id="lab_fstr_LeverageRatioThereafter_22ED18C0C52CF479C1BEFE909FB705D8_label_en-US" xlink:label="lab_fstr_LeverageRatioThereafter_22ED18C0C52CF479C1BEFE909FB705D8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Leverage ratio thereafter </link:label>
<link:label id="lab_fstr_LeverageRatioThereafter_22ED18C0C52CF479C1BEFE909FB705D8_documentation_en-US" xlink:label="lab_fstr_LeverageRatioThereafter_22ED18C0C52CF479C1BEFE909FB705D8" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Leverage ratio in effect for the eighth quarter and remainder of a credit agreement. </link:label>
<link:loc xlink:href="fstr-20180331.xsd#fstr_LeverageRatioThereafter" xlink:label="loc_fstr_LeverageRatioThereafter_22ED18C0C52CF479C1BEFE909FB705D8" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fstr_LeverageRatioThereafter_22ED18C0C52CF479C1BEFE909FB705D8" xlink:to="lab_fstr_LeverageRatioThereafter_22ED18C0C52CF479C1BEFE909FB705D8" xlink:type="arc"/>
<link:label id="lab_fstr_EbitdaRequired_3E4EAB0D923AD69BF2FEFE909FB75D7A_terseLabel_en-US" xlink:label="lab_fstr_EbitdaRequired_3E4EAB0D923AD69BF2FEFE909FB75D7A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> EBITDA required </link:label>
<link:label id="lab_fstr_EbitdaRequired_3E4EAB0D923AD69BF2FEFE909FB75D7A_label_en-US" xlink:label="lab_fstr_EbitdaRequired_3E4EAB0D923AD69BF2FEFE909FB75D7A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> EBITDA required </link:label>
<link:label id="lab_fstr_EbitdaRequired_3E4EAB0D923AD69BF2FEFE909FB75D7A_documentation_en-US" xlink:label="lab_fstr_EbitdaRequired_3E4EAB0D923AD69BF2FEFE909FB75D7A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Market valuation of entity divided by earnings before interest, taxes, depreciation, and amortization (EBITDA) required. </link:label>
<link:loc xlink:href="fstr-20180331.xsd#fstr_EbitdaRequired" xlink:label="loc_fstr_EbitdaRequired_3E4EAB0D923AD69BF2FEFE909FB75D7A" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fstr_EbitdaRequired_3E4EAB0D923AD69BF2FEFE909FB75D7A" xlink:to="lab_fstr_EbitdaRequired_3E4EAB0D923AD69BF2FEFE909FB75D7A" xlink:type="arc"/>
<link:label id="lab_fstr_EbitdaRequiredForSeventhQuarter_239B64BA273E5C86DB05FE909FB76F31_terseLabel_en-US" xlink:label="lab_fstr_EbitdaRequiredForSeventhQuarter_239B64BA273E5C86DB05FE909FB76F31" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> EBITDA required for seventh quarter </link:label>
<link:label id="lab_fstr_EbitdaRequiredForSeventhQuarter_239B64BA273E5C86DB05FE909FB76F31_label_en-US" xlink:label="lab_fstr_EbitdaRequiredForSeventhQuarter_239B64BA273E5C86DB05FE909FB76F31" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> EBITDA required for seventh quarter </link:label>
<link:label id="lab_fstr_EbitdaRequiredForSeventhQuarter_239B64BA273E5C86DB05FE909FB76F31_documentation_en-US" xlink:label="lab_fstr_EbitdaRequiredForSeventhQuarter_239B64BA273E5C86DB05FE909FB76F31" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Market valuation of entity divided by earnings before interest, taxes, depreciation, and amortization (EBITDA) required at seventh quarter of the credit agreement. </link:label>
<link:loc xlink:href="fstr-20180331.xsd#fstr_EbitdaRequiredForSeventhQuarter" xlink:label="loc_fstr_EbitdaRequiredForSeventhQuarter_239B64BA273E5C86DB05FE909FB76F31" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fstr_EbitdaRequiredForSeventhQuarter_239B64BA273E5C86DB05FE909FB76F31" xlink:to="lab_fstr_EbitdaRequiredForSeventhQuarter_239B64BA273E5C86DB05FE909FB76F31" xlink:type="arc"/>
<link:label id="lab_fstr_FixedChargeCoverageRatio_1F97BAC5854FE1CD44F0FE909FB7C57C_terseLabel_en-US" xlink:label="lab_fstr_FixedChargeCoverageRatio_1F97BAC5854FE1CD44F0FE909FB7C57C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Fixed charge coverage ratio </link:label>
<link:label id="lab_fstr_FixedChargeCoverageRatio_1F97BAC5854FE1CD44F0FE909FB7C57C_label_en-US" xlink:label="lab_fstr_FixedChargeCoverageRatio_1F97BAC5854FE1CD44F0FE909FB7C57C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Fixed charge coverage ratio </link:label>
<link:label id="lab_fstr_FixedChargeCoverageRatio_1F97BAC5854FE1CD44F0FE909FB7C57C_documentation_en-US" xlink:label="lab_fstr_FixedChargeCoverageRatio_1F97BAC5854FE1CD44F0FE909FB7C57C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Required ratio of fixed charges to the last twelve months of EBITDA. </link:label>
<link:loc xlink:href="fstr-20180331.xsd#fstr_FixedChargeCoverageRatio" xlink:label="loc_fstr_FixedChargeCoverageRatio_1F97BAC5854FE1CD44F0FE909FB7C57C" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fstr_FixedChargeCoverageRatio_1F97BAC5854FE1CD44F0FE909FB7C57C" xlink:to="lab_fstr_FixedChargeCoverageRatio_1F97BAC5854FE1CD44F0FE909FB7C57C" xlink:type="arc"/>
<link:label id="lab_fstr_FixedChargeCoverageRatioAfterFifthQuarter_0669A037648B57EC0300FE909FB7E7BB_terseLabel_en-US" xlink:label="lab_fstr_FixedChargeCoverageRatioAfterFifthQuarter_0669A037648B57EC0300FE909FB7E7BB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Fixed charge coverage ratio after fifth quarter </link:label>
<link:label id="lab_fstr_FixedChargeCoverageRatioAfterFifthQuarter_0669A037648B57EC0300FE909FB7E7BB_label_en-US" xlink:label="lab_fstr_FixedChargeCoverageRatioAfterFifthQuarter_0669A037648B57EC0300FE909FB7E7BB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Fixed charge coverage ratio after fifth quarter </link:label>
<link:label id="lab_fstr_FixedChargeCoverageRatioAfterFifthQuarter_0669A037648B57EC0300FE909FB7E7BB_documentation_en-US" xlink:label="lab_fstr_FixedChargeCoverageRatioAfterFifthQuarter_0669A037648B57EC0300FE909FB7E7BB" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Required ratio of fixed charges to the last twelve months of EBITDA after the fifth quarter of credit agreement. </link:label>
<link:loc xlink:href="fstr-20180331.xsd#fstr_FixedChargeCoverageRatioAfterFifthQuarter" xlink:label="loc_fstr_FixedChargeCoverageRatioAfterFifthQuarter_0669A037648B57EC0300FE909FB7E7BB" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fstr_FixedChargeCoverageRatioAfterFifthQuarter_0669A037648B57EC0300FE909FB7E7BB" xlink:to="lab_fstr_FixedChargeCoverageRatioAfterFifthQuarter_0669A037648B57EC0300FE909FB7E7BB" xlink:type="arc"/>
<link:label id="lab_fstr_LiquidityCovenant_912CCC353ADE721C13CFFE909FB74B12_terseLabel_en-US" xlink:label="lab_fstr_LiquidityCovenant_912CCC353ADE721C13CFFE909FB74B12" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Liquidity covenant </link:label>
<link:label id="lab_fstr_LiquidityCovenant_912CCC353ADE721C13CFFE909FB74B12_label_en-US" xlink:label="lab_fstr_LiquidityCovenant_912CCC353ADE721C13CFFE909FB74B12" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Liquidity covenant </link:label>
<link:label id="lab_fstr_LiquidityCovenant_912CCC353ADE721C13CFFE909FB74B12_documentation_en-US" xlink:label="lab_fstr_LiquidityCovenant_912CCC353ADE721C13CFFE909FB74B12" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Required amount of undrawn availability of a debt instrument. </link:label>
<link:loc xlink:href="fstr-20180331.xsd#fstr_LiquidityCovenant" xlink:label="loc_fstr_LiquidityCovenant_912CCC353ADE721C13CFFE909FB74B12" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fstr_LiquidityCovenant_912CCC353ADE721C13CFFE909FB74B12" xlink:to="lab_fstr_LiquidityCovenant_912CCC353ADE721C13CFFE909FB74B12" xlink:type="arc"/>
<link:label id="lab_fstr_MaximumDividendsAllowed_AFE7CE1B94A56F0542DFFE909FB70136_terseLabel_en-US" xlink:label="lab_fstr_MaximumDividendsAllowed_AFE7CE1B94A56F0542DFFE909FB70136" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Maximum dividends, distributions, or redemptions allowed </link:label>
<link:label id="lab_fstr_MaximumDividendsAllowed_AFE7CE1B94A56F0542DFFE909FB70136_label_en-US" xlink:label="lab_fstr_MaximumDividendsAllowed_AFE7CE1B94A56F0542DFFE909FB70136" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Maximum dividends allowed </link:label>
<link:label id="lab_fstr_MaximumDividendsAllowed_AFE7CE1B94A56F0542DFFE909FB70136_documentation_en-US" xlink:label="lab_fstr_MaximumDividendsAllowed_AFE7CE1B94A56F0542DFFE909FB70136" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Amount of restriction on the entity's ability to pay dividends, distributions, or redemptions as required by the terms of the credit facility when funds are drawn from the facility. </link:label>
<link:loc xlink:href="fstr-20180331.xsd#fstr_MaximumDividendsAllowed" xlink:label="loc_fstr_MaximumDividendsAllowed_AFE7CE1B94A56F0542DFFE909FB70136" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fstr_MaximumDividendsAllowed_AFE7CE1B94A56F0542DFFE909FB70136" xlink:to="lab_fstr_MaximumDividendsAllowed_AFE7CE1B94A56F0542DFFE909FB70136" xlink:type="arc"/>
<link:label id="lab_fstr_LoansAndAdvancesLimit_E9954EE3CCCEF320AF97FE909FB8A349_terseLabel_en-US" xlink:label="lab_fstr_LoansAndAdvancesLimit_E9954EE3CCCEF320AF97FE909FB8A349" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Loans and advances limit </link:label>
<link:label id="lab_fstr_LoansAndAdvancesLimit_E9954EE3CCCEF320AF97FE909FB8A349_label_en-US" xlink:label="lab_fstr_LoansAndAdvancesLimit_E9954EE3CCCEF320AF97FE909FB8A349" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Loans and advances limit </link:label>
<link:label id="lab_fstr_LoansAndAdvancesLimit_E9954EE3CCCEF320AF97FE909FB8A349_documentation_en-US" xlink:label="lab_fstr_LoansAndAdvancesLimit_E9954EE3CCCEF320AF97FE909FB8A349" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Maximum amount allowed of loans and advances to non-loan parties and loans, advances, and investments by domestic loan parties to subsidiaries that are not loan parties and to foreign loan parties. </link:label>
<link:loc xlink:href="fstr-20180331.xsd#fstr_LoansAndAdvancesLimit" xlink:label="loc_fstr_LoansAndAdvancesLimit_E9954EE3CCCEF320AF97FE909FB8A349" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fstr_LoansAndAdvancesLimit_E9954EE3CCCEF320AF97FE909FB8A349" xlink:to="lab_fstr_LoansAndAdvancesLimit_E9954EE3CCCEF320AF97FE909FB8A349" xlink:type="arc"/>
<link:label id="lab_fstr_MaximumAssetSalesAllowed_1014AC71BF09A9A6F757FE909FB88C85_terseLabel_en-US" xlink:label="lab_fstr_MaximumAssetSalesAllowed_1014AC71BF09A9A6F757FE909FB88C85" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Maximum asset sales allowed </link:label>
<link:label id="lab_fstr_MaximumAssetSalesAllowed_1014AC71BF09A9A6F757FE909FB88C85_label_en-US" xlink:label="lab_fstr_MaximumAssetSalesAllowed_1014AC71BF09A9A6F757FE909FB88C85" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Maximum asset sales allowed </link:label>
<link:label id="lab_fstr_MaximumAssetSalesAllowed_1014AC71BF09A9A6F757FE909FB88C85_documentation_en-US" xlink:label="lab_fstr_MaximumAssetSalesAllowed_1014AC71BF09A9A6F757FE909FB88C85" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Maximum amount of asset sales allowed under a loan agreement. </link:label>
<link:loc xlink:href="fstr-20180331.xsd#fstr_MaximumAssetSalesAllowed" xlink:label="loc_fstr_MaximumAssetSalesAllowed_1014AC71BF09A9A6F757FE909FB88C85" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fstr_MaximumAssetSalesAllowed_1014AC71BF09A9A6F757FE909FB88C85" xlink:to="lab_fstr_MaximumAssetSalesAllowed_1014AC71BF09A9A6F757FE909FB88C85" xlink:type="arc"/>
<link:label id="lab_fstr_CarryoverOfAssetSalesAllowed_5870C2ECEC327F434328FE909FB8A48E_terseLabel_en-US" xlink:label="lab_fstr_CarryoverOfAssetSalesAllowed_5870C2ECEC327F434328FE909FB8A48E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Carryover of asset sales allowed </link:label>
<link:label id="lab_fstr_CarryoverOfAssetSalesAllowed_5870C2ECEC327F434328FE909FB8A48E_label_en-US" xlink:label="lab_fstr_CarryoverOfAssetSalesAllowed_5870C2ECEC327F434328FE909FB8A48E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Carryover of asset sales allowed </link:label>
<link:label id="lab_fstr_CarryoverOfAssetSalesAllowed_5870C2ECEC327F434328FE909FB8A48E_documentation_en-US" xlink:label="lab_fstr_CarryoverOfAssetSalesAllowed_5870C2ECEC327F434328FE909FB8A48E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Maximum carryover amount of asset sales to future periods when the maximum asset sales allowed under a loan agreement is not reached. </link:label>
<link:loc xlink:href="fstr-20180331.xsd#fstr_CarryoverOfAssetSalesAllowed" xlink:label="loc_fstr_CarryoverOfAssetSalesAllowed_5870C2ECEC327F434328FE909FB8A48E" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fstr_CarryoverOfAssetSalesAllowed_5870C2ECEC327F434328FE909FB8A48E" xlink:to="lab_fstr_CarryoverOfAssetSalesAllowed_5870C2ECEC327F434328FE909FB8A48E" xlink:type="arc"/>
<link:label id="lab_us-gaap_DerivativeInstrumentRiskAxis_080C00D46A3A235FB30DCEE308436FB0_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeInstrumentRiskAxis_080C00D46A3A235FB30DCEE308436FB0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Derivative Instrument [Axis] </link:label>
<link:label id="lab_us-gaap_DerivativeInstrumentRiskAxis_080C00D46A3A235FB30DCEE308436FB0_label_en-US" xlink:label="lab_us-gaap_DerivativeInstrumentRiskAxis_080C00D46A3A235FB30DCEE308436FB0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Derivative Instrument [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_080C00D46A3A235FB30DCEE308436FB0" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_080C00D46A3A235FB30DCEE308436FB0" xlink:to="lab_us-gaap_DerivativeInstrumentRiskAxis_080C00D46A3A235FB30DCEE308436FB0" xlink:type="arc"/>
<link:label id="lab_us-gaap_DerivativeContractTypeDomain_E6CB1180336A5FE13087CEE30843E181_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeContractTypeDomain_E6CB1180336A5FE13087CEE30843E181" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Derivative Contract [Domain] </link:label>
<link:label id="lab_us-gaap_DerivativeContractTypeDomain_E6CB1180336A5FE13087CEE30843E181_label_en-US" xlink:label="lab_us-gaap_DerivativeContractTypeDomain_E6CB1180336A5FE13087CEE30843E181" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Derivative Contract [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_E6CB1180336A5FE13087CEE30843E181" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_E6CB1180336A5FE13087CEE30843E181" xlink:to="lab_us-gaap_DerivativeContractTypeDomain_E6CB1180336A5FE13087CEE30843E181" xlink:type="arc"/>
<link:label id="lab_us-gaap_SwapMember_D422DB1A29E71E10A077CEE30843B67C_terseLabel_en-US" xlink:label="lab_us-gaap_SwapMember_D422DB1A29E71E10A077CEE30843B67C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Swap </link:label>
<link:label id="lab_us-gaap_SwapMember_D422DB1A29E71E10A077CEE30843B67C_label_en-US" xlink:label="lab_us-gaap_SwapMember_D422DB1A29E71E10A077CEE30843B67C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Swap [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SwapMember" xlink:label="loc_us-gaap_SwapMember_D422DB1A29E71E10A077CEE30843B67C" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SwapMember_D422DB1A29E71E10A077CEE30843B67C" xlink:to="lab_us-gaap_SwapMember_D422DB1A29E71E10A077CEE30843B67C" xlink:type="arc"/>
<link:label id="lab_invest_DerivativeNotionalAmount_BBE5E5E10E010706024CCEE30843B98F_terseLabel_en-US" xlink:label="lab_invest_DerivativeNotionalAmount_BBE5E5E10E010706024CCEE30843B98F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Derivative, notional amount </link:label>
<link:label id="lab_invest_DerivativeNotionalAmount_BBE5E5E10E010706024CCEE30843B98F_label_en-US" xlink:label="lab_invest_DerivativeNotionalAmount_BBE5E5E10E010706024CCEE30843B98F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Derivative, Notional Amount </link:label>
<link:loc xlink:href="http://xbrl.sec.gov/invest/2013/invest-2013-01-31.xsd#invest_DerivativeNotionalAmount" xlink:label="loc_invest_DerivativeNotionalAmount_BBE5E5E10E010706024CCEE30843B98F" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_invest_DerivativeNotionalAmount_BBE5E5E10E010706024CCEE30843B98F" xlink:to="lab_invest_DerivativeNotionalAmount_BBE5E5E10E010706024CCEE30843B98F" xlink:type="arc"/>
<link:label id="lab_fstr_MonthlyAllocationCorporateOperatingExpense_C81550D1137F6379276FFE7D81450692_terseLabel_en-US" xlink:label="lab_fstr_MonthlyAllocationCorporateOperatingExpense_C81550D1137F6379276FFE7D81450692" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Monthly allocation of corporate expenses </link:label>
<link:label id="lab_fstr_MonthlyAllocationCorporateOperatingExpense_C81550D1137F6379276FFE7D81450692_label_en-US" xlink:label="lab_fstr_MonthlyAllocationCorporateOperatingExpense_C81550D1137F6379276FFE7D81450692" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Monthly Allocation Corporate Operating Expense </link:label>
<link:label id="lab_fstr_MonthlyAllocationCorporateOperatingExpense_C81550D1137F6379276FFE7D81450692_documentation_en-US" xlink:label="lab_fstr_MonthlyAllocationCorporateOperatingExpense_C81550D1137F6379276FFE7D81450692" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Monthly Allocation Corporate Operating Expense </link:label>
<link:loc xlink:href="fstr-20180331.xsd#fstr_MonthlyAllocationCorporateOperatingExpense" xlink:label="loc_fstr_MonthlyAllocationCorporateOperatingExpense_C81550D1137F6379276FFE7D81450692" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fstr_MonthlyAllocationCorporateOperatingExpense_C81550D1137F6379276FFE7D81450692" xlink:to="lab_fstr_MonthlyAllocationCorporateOperatingExpense_C81550D1137F6379276FFE7D81450692" xlink:type="arc"/>
<link:label id="lab_us-gaap_InventoryDisclosureTextBlock_39E8C366A292CFF41A877AE3478AA674_terseLabel_en-US" xlink:label="lab_us-gaap_InventoryDisclosureTextBlock_1394D56D4AAB5F969D2BE737F0F86E8C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Inventories </link:label>
<link:label id="lab_us-gaap_InventoryDisclosureTextBlock_39E8C366A292CFF41A877AE3478AA674_label_en-US" xlink:label="lab_us-gaap_InventoryDisclosureTextBlock_1394D56D4AAB5F969D2BE737F0F86E8C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Inventory Disclosure [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InventoryDisclosureTextBlock" xlink:label="loc_us-gaap_InventoryDisclosureTextBlock_1394D56D4AAB5F969D2BE737F0F86E8C" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InventoryDisclosureTextBlock_1394D56D4AAB5F969D2BE737F0F86E8C" xlink:to="lab_us-gaap_InventoryDisclosureTextBlock_1394D56D4AAB5F969D2BE737F0F86E8C" xlink:type="arc"/>
<link:label id="lab_us-gaap_ProductOrServiceAxis_9281525D54CFD4980A71076FCADE7274_terseLabel_en-US" xlink:label="lab_us-gaap_ProductOrServiceAxis_9281525D54CFD4980A71076FCADE7274" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Products and Services [Axis] </link:label>
<link:label id="lab_us-gaap_ProductOrServiceAxis_9281525D54CFD4980A71076FCADE7274_label_en-US" xlink:label="lab_us-gaap_ProductOrServiceAxis_9281525D54CFD4980A71076FCADE7274" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Products and Services [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProductOrServiceAxis" xlink:label="loc_us-gaap_ProductOrServiceAxis_9281525D54CFD4980A71076FCADE7274" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProductOrServiceAxis_9281525D54CFD4980A71076FCADE7274" xlink:to="lab_us-gaap_ProductOrServiceAxis_9281525D54CFD4980A71076FCADE7274" xlink:type="arc"/>
<link:label id="lab_us-gaap_ProductsAndServicesDomain_7579A0B753EC9E2E25C6076FCADE997F_terseLabel_en-US" xlink:label="lab_us-gaap_ProductsAndServicesDomain_7579A0B753EC9E2E25C6076FCADE997F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Products and Services [Domain] </link:label>
<link:label id="lab_us-gaap_ProductsAndServicesDomain_7579A0B753EC9E2E25C6076FCADE997F_label_en-US" xlink:label="lab_us-gaap_ProductsAndServicesDomain_7579A0B753EC9E2E25C6076FCADE997F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Products and Services [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProductsAndServicesDomain" xlink:label="loc_us-gaap_ProductsAndServicesDomain_7579A0B753EC9E2E25C6076FCADE997F" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProductsAndServicesDomain_7579A0B753EC9E2E25C6076FCADE997F" xlink:to="lab_us-gaap_ProductsAndServicesDomain_7579A0B753EC9E2E25C6076FCADE997F" xlink:type="arc"/>
<link:label id="lab_fstr_RailProductsMember_5703EB85460835DFCEE3076FCADE7AAF_terseLabel_en-US" xlink:label="lab_fstr_RailProductsMember_5703EB85460835DFCEE3076FCADE7AAF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Rail Products </link:label>
<link:label id="lab_fstr_RailProductsMember_5703EB85460835DFCEE3076FCADE7AAF_label_en-US" xlink:label="lab_fstr_RailProductsMember_5703EB85460835DFCEE3076FCADE7AAF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Rail Products [Member] </link:label>
<link:label id="lab_fstr_RailProductsMember_5703EB85460835DFCEE3076FCADE7AAF_documentation_en-US" xlink:label="lab_fstr_RailProductsMember_5703EB85460835DFCEE3076FCADE7AAF" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Rail Products [Member] </link:label>
<link:loc xlink:href="fstr-20180331.xsd#fstr_RailProductsMember" xlink:label="loc_fstr_RailProductsMember_5703EB85460835DFCEE3076FCADE7AAF" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fstr_RailProductsMember_5703EB85460835DFCEE3076FCADE7AAF" xlink:to="lab_fstr_RailProductsMember_5703EB85460835DFCEE3076FCADE7AAF" xlink:type="arc"/>
<link:label id="lab_fstr_RailTechnologyMember_A1BE8A6C295552919D69076FCADED057_terseLabel_en-US" xlink:label="lab_fstr_RailTechnologyMember_A1BE8A6C295552919D69076FCADED057" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Rail Technologies </link:label>
<link:label id="lab_fstr_RailTechnologyMember_A1BE8A6C295552919D69076FCADED057_label_en-US" xlink:label="lab_fstr_RailTechnologyMember_A1BE8A6C295552919D69076FCADED057" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Rail Technology [Member] </link:label>
<link:label id="lab_fstr_RailTechnologyMember_A1BE8A6C295552919D69076FCADED057_documentation_en-US" xlink:label="lab_fstr_RailTechnologyMember_A1BE8A6C295552919D69076FCADED057" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Rail Technology [Member] </link:label>
<link:loc xlink:href="fstr-20180331.xsd#fstr_RailTechnologyMember" xlink:label="loc_fstr_RailTechnologyMember_A1BE8A6C295552919D69076FCADED057" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fstr_RailTechnologyMember_A1BE8A6C295552919D69076FCADED057" xlink:to="lab_fstr_RailTechnologyMember_A1BE8A6C295552919D69076FCADED057" xlink:type="arc"/>
<link:label id="lab_fstr_PilingandFabricatedBridgeMember_162074E0618437858CE807737D56C79B_terseLabel_en-US" xlink:label="lab_fstr_PilingandFabricatedBridgeMember_162074E0618437858CE807737D56C79B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Piling and Fabricated Bridge </link:label>
<link:label id="lab_fstr_PilingandFabricatedBridgeMember_162074E0618437858CE807737D56C79B_label_en-US" xlink:label="lab_fstr_PilingandFabricatedBridgeMember_162074E0618437858CE807737D56C79B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Piling and Fabricated Bridge [Member] </link:label>
<link:label id="lab_fstr_PilingandFabricatedBridgeMember_162074E0618437858CE807737D56C79B_documentation_en-US" xlink:label="lab_fstr_PilingandFabricatedBridgeMember_162074E0618437858CE807737D56C79B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Piling and Fabricated Bridge [Member] </link:label>
<link:loc xlink:href="fstr-20180331.xsd#fstr_PilingandFabricatedBridgeMember" xlink:label="loc_fstr_PilingandFabricatedBridgeMember_162074E0618437858CE807737D56C79B" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fstr_PilingandFabricatedBridgeMember_162074E0618437858CE807737D56C79B" xlink:to="lab_fstr_PilingandFabricatedBridgeMember_162074E0618437858CE807737D56C79B" xlink:type="arc"/>
<link:label id="lab_fstr_PrecastConcreteMember_271E554DADA42D83D839076FCADE699C_terseLabel_en-US" xlink:label="lab_fstr_PrecastConcreteMember_271E554DADA42D83D839076FCADE699C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Precast Concrete Products </link:label>
<link:label id="lab_fstr_PrecastConcreteMember_271E554DADA42D83D839076FCADE699C_label_en-US" xlink:label="lab_fstr_PrecastConcreteMember_271E554DADA42D83D839076FCADE699C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Precast Concrete [Member] </link:label>
<link:label id="lab_fstr_PrecastConcreteMember_271E554DADA42D83D839076FCADE699C_documentation_en-US" xlink:label="lab_fstr_PrecastConcreteMember_271E554DADA42D83D839076FCADE699C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Precast Concrete [Member] </link:label>
<link:loc xlink:href="fstr-20180331.xsd#fstr_PrecastConcreteMember" xlink:label="loc_fstr_PrecastConcreteMember_271E554DADA42D83D839076FCADE699C" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fstr_PrecastConcreteMember_271E554DADA42D83D839076FCADE699C" xlink:to="lab_fstr_PrecastConcreteMember_271E554DADA42D83D839076FCADE699C" xlink:type="arc"/>
<link:label id="lab_fstr_TestInspectionandThreadingMember_735EF7D6A595ACD3719A07750FC5566C_terseLabel_en-US" xlink:label="lab_fstr_TestInspectionandThreadingMember_735EF7D6A595ACD3719A07750FC5566C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Test, Inspection, and Threading </link:label>
<link:label id="lab_fstr_TestInspectionandThreadingMember_735EF7D6A595ACD3719A07750FC5566C_label_en-US" xlink:label="lab_fstr_TestInspectionandThreadingMember_735EF7D6A595ACD3719A07750FC5566C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Test Inspection and Threading [Member] </link:label>
<link:label id="lab_fstr_TestInspectionandThreadingMember_735EF7D6A595ACD3719A07750FC5566C_documentation_en-US" xlink:label="lab_fstr_TestInspectionandThreadingMember_735EF7D6A595ACD3719A07750FC5566C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Test Inspection and Threading [Member] </link:label>
<link:loc xlink:href="fstr-20180331.xsd#fstr_TestInspectionandThreadingMember" xlink:label="loc_fstr_TestInspectionandThreadingMember_735EF7D6A595ACD3719A07750FC5566C" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fstr_TestInspectionandThreadingMember_735EF7D6A595ACD3719A07750FC5566C" xlink:to="lab_fstr_TestInspectionandThreadingMember_735EF7D6A595ACD3719A07750FC5566C" xlink:type="arc"/>
<link:label id="lab_fstr_ProtectiveCoatingandMeasurementsSolutionMember_74EF495AD16F4BD1483B0775FD5F86ED_terseLabel_en-US" xlink:label="lab_fstr_ProtectiveCoatingandMeasurementsSolutionMember_74EF495AD16F4BD1483B0775FD5F86ED" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Protective Coatings and Measurement Solutions </link:label>
<link:label id="lab_fstr_ProtectiveCoatingandMeasurementsSolutionMember_74EF495AD16F4BD1483B0775FD5F86ED_label_en-US" xlink:label="lab_fstr_ProtectiveCoatingandMeasurementsSolutionMember_74EF495AD16F4BD1483B0775FD5F86ED" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Protective Coating and Measurements Solution [Member] </link:label>
<link:label id="lab_fstr_ProtectiveCoatingandMeasurementsSolutionMember_74EF495AD16F4BD1483B0775FD5F86ED_documentation_en-US" xlink:label="lab_fstr_ProtectiveCoatingandMeasurementsSolutionMember_74EF495AD16F4BD1483B0775FD5F86ED" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Protective Coating and Measurements Solution [Member] </link:label>
<link:loc xlink:href="fstr-20180331.xsd#fstr_ProtectiveCoatingandMeasurementsSolutionMember" xlink:label="loc_fstr_ProtectiveCoatingandMeasurementsSolutionMember_74EF495AD16F4BD1483B0775FD5F86ED" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fstr_ProtectiveCoatingandMeasurementsSolutionMember_74EF495AD16F4BD1483B0775FD5F86ED" xlink:to="lab_fstr_ProtectiveCoatingandMeasurementsSolutionMember_74EF495AD16F4BD1483B0775FD5F86ED" xlink:type="arc"/>
<link:label id="lab_us-gaap_IncomeTaxDisclosureTextBlock_A9248B6A7B13373119B07AE3471C317D_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxDisclosureTextBlock_ABD8D58D6DBD57D1A0E864C1DC080498" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Income Taxes </link:label>
<link:label id="lab_us-gaap_IncomeTaxDisclosureTextBlock_A9248B6A7B13373119B07AE3471C317D_label_en-US" xlink:label="lab_us-gaap_IncomeTaxDisclosureTextBlock_ABD8D58D6DBD57D1A0E864C1DC080498" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income Tax Disclosure [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeTaxDisclosureTextBlock" xlink:label="loc_us-gaap_IncomeTaxDisclosureTextBlock_ABD8D58D6DBD57D1A0E864C1DC080498" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeTaxDisclosureTextBlock_ABD8D58D6DBD57D1A0E864C1DC080498" xlink:to="lab_us-gaap_IncomeTaxDisclosureTextBlock_ABD8D58D6DBD57D1A0E864C1DC080498" xlink:type="arc"/>
<link:label id="lab_fstr_NumberOfRetirementPlans_B6FECE42B1F47FB07932DEBE4850C300_terseLabel_en-US" xlink:label="lab_fstr_NumberOfRetirementPlans_B6FECE42B1F47FB07932DEBE4850C300" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Number of retirement plans </link:label>
<link:label id="lab_fstr_NumberOfRetirementPlans_B6FECE42B1F47FB07932DEBE4850C300_label_en-US" xlink:label="lab_fstr_NumberOfRetirementPlans_B6FECE42B1F47FB07932DEBE4850C300" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Number of retirement plans </link:label>
<link:label id="lab_fstr_NumberOfRetirementPlans_B6FECE42B1F47FB07932DEBE4850C300_documentation_en-US" xlink:label="lab_fstr_NumberOfRetirementPlans_B6FECE42B1F47FB07932DEBE4850C300" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Number of retirement plans offered by the company. </link:label>
<link:loc xlink:href="fstr-20180331.xsd#fstr_NumberOfRetirementPlans" xlink:label="loc_fstr_NumberOfRetirementPlans_B6FECE42B1F47FB07932DEBE4850C300" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fstr_NumberOfRetirementPlans_B6FECE42B1F47FB07932DEBE4850C300" xlink:to="lab_fstr_NumberOfRetirementPlans_B6FECE42B1F47FB07932DEBE4850C300" xlink:type="arc"/>
<link:label id="lab_fstr_DefinedBenefitPlanNumber_019B037134ED9533A465DEBE4850E651_terseLabel_en-US" xlink:label="lab_fstr_DefinedBenefitPlanNumber_019B037134ED9533A465DEBE4850E651" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Defined benefit plan, number </link:label>
<link:label id="lab_fstr_DefinedBenefitPlanNumber_019B037134ED9533A465DEBE4850E651_label_en-US" xlink:label="lab_fstr_DefinedBenefitPlanNumber_019B037134ED9533A465DEBE4850E651" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan Number </link:label>
<link:label id="lab_fstr_DefinedBenefitPlanNumber_019B037134ED9533A465DEBE4850E651_documentation_en-US" xlink:label="lab_fstr_DefinedBenefitPlanNumber_019B037134ED9533A465DEBE4850E651" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Number of defined benefit plans offered by the company. </link:label>
<link:loc xlink:href="fstr-20180331.xsd#fstr_DefinedBenefitPlanNumber" xlink:label="loc_fstr_DefinedBenefitPlanNumber_019B037134ED9533A465DEBE4850E651" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fstr_DefinedBenefitPlanNumber_019B037134ED9533A465DEBE4850E651" xlink:to="lab_fstr_DefinedBenefitPlanNumber_019B037134ED9533A465DEBE4850E651" xlink:type="arc"/>
<link:label id="lab_fstr_PostRetirementBenefitPlanNumber_13DA3E34BBF124014816DF4951100AD3_terseLabel_en-US" xlink:label="lab_fstr_PostRetirementBenefitPlanNumber_13DA3E34BBF124014816DF4951100AD3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Post-retirement benefit plan number </link:label>
<link:label id="lab_fstr_PostRetirementBenefitPlanNumber_13DA3E34BBF124014816DF4951100AD3_label_en-US" xlink:label="lab_fstr_PostRetirementBenefitPlanNumber_13DA3E34BBF124014816DF4951100AD3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Post-retirement benefit plan number </link:label>
<link:label id="lab_fstr_PostRetirementBenefitPlanNumber_13DA3E34BBF124014816DF4951100AD3_documentation_en-US" xlink:label="lab_fstr_PostRetirementBenefitPlanNumber_13DA3E34BBF124014816DF4951100AD3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Number of post-retirement benefit plans offered by the company. </link:label>
<link:loc xlink:href="fstr-20180331.xsd#fstr_PostRetirementBenefitPlanNumber" xlink:label="loc_fstr_PostRetirementBenefitPlanNumber_13DA3E34BBF124014816DF4951100AD3" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fstr_PostRetirementBenefitPlanNumber_13DA3E34BBF124014816DF4951100AD3" xlink:to="lab_fstr_PostRetirementBenefitPlanNumber_13DA3E34BBF124014816DF4951100AD3" xlink:type="arc"/>
<link:label id="lab_fstr_DefinedContributionPlanNumber_8961BD85D80D2AFDB174DEBE48505682_terseLabel_en-US" xlink:label="lab_fstr_DefinedContributionPlanNumber_8961BD85D80D2AFDB174DEBE48505682" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Defined contribution plan, number </link:label>
<link:label id="lab_fstr_DefinedContributionPlanNumber_8961BD85D80D2AFDB174DEBE48505682_label_en-US" xlink:label="lab_fstr_DefinedContributionPlanNumber_8961BD85D80D2AFDB174DEBE48505682" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Contribution Plan Number </link:label>
<link:label id="lab_fstr_DefinedContributionPlanNumber_8961BD85D80D2AFDB174DEBE48505682_documentation_en-US" xlink:label="lab_fstr_DefinedContributionPlanNumber_8961BD85D80D2AFDB174DEBE48505682" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Number of defined contribution plans offered by the company. </link:label>
<link:loc xlink:href="fstr-20180331.xsd#fstr_DefinedContributionPlanNumber" xlink:label="loc_fstr_DefinedContributionPlanNumber_8961BD85D80D2AFDB174DEBE48505682" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fstr_DefinedContributionPlanNumber_8961BD85D80D2AFDB174DEBE48505682" xlink:to="lab_fstr_DefinedContributionPlanNumber_8961BD85D80D2AFDB174DEBE48505682" xlink:type="arc"/>
<link:label id="lab_us-gaap_DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear_349671D29E9A205CA5BADEBE48502A58_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear_349671D29E9A205CA5BADEBE48502A58" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Defined benefit plans, estimated future employer contributions in current fiscal year </link:label>
<link:label id="lab_us-gaap_DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear_349671D29E9A205CA5BADEBE48502A58_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear_349671D29E9A205CA5BADEBE48502A58" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Expected Future Employer Contributions, Next Fiscal Year </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear_349671D29E9A205CA5BADEBE48502A58" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear_349671D29E9A205CA5BADEBE48502A58" xlink:to="lab_us-gaap_DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear_349671D29E9A205CA5BADEBE48502A58" xlink:type="arc"/>
<link:label id="lab_us-gaap_DefinedBenefitPlanContributionsByEmployer_F71939327E65A1F87BCFDEBE4850FFBE_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanContributionsByEmployer_F71939327E65A1F87BCFDEBE4850FFBE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Defined benefit plan, contributions by employer </link:label>
<link:label id="lab_us-gaap_DefinedBenefitPlanContributionsByEmployer_F71939327E65A1F87BCFDEBE4850FFBE_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanContributionsByEmployer_F71939327E65A1F87BCFDEBE4850FFBE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Plan Assets, Contributions by Employer </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DefinedBenefitPlanContributionsByEmployer" xlink:label="loc_us-gaap_DefinedBenefitPlanContributionsByEmployer_F71939327E65A1F87BCFDEBE4850FFBE" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanContributionsByEmployer_F71939327E65A1F87BCFDEBE4850FFBE" xlink:to="lab_us-gaap_DefinedBenefitPlanContributionsByEmployer_F71939327E65A1F87BCFDEBE4850FFBE" xlink:type="arc"/>
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</link:linkbase>

4 Subsequent Filings that Reference this Filing

  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

 3/06/24  L.B. Foster Co.                   10-K       12/31/23  128:12M
 3/10/23  L.B. Foster Co.                   10-K       12/31/22  131:14M
 3/02/22  L.B. Foster Co.                   10-K       12/31/21  128:13M
 3/03/21  L.B. Foster Co.                   10-K       12/31/20  130:15M
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