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American Renal Associates Holdings, Inc. – ‘10-Q’ for 3/31/17 – ‘EX-101.LAB’

On:  Tuesday, 5/9/17, at 4:50pm ET   ·   For:  3/31/17   ·   Accession #:  1498068-17-35   ·   File #:  1-37751

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

 5/09/17  American Renal Assocs Holdin… Inc 10-Q        3/31/17   73:5M

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    520K 
 2: EX-10.1     Material Contract                                   HTML     43K 
 3: EX-10.2     Material Contract                                   HTML     40K 
 4: EX-10.3     Material Contract                                   HTML     39K 
 5: EX-10.4     Material Contract                                   HTML     41K 
 6: EX-31.1     Certification -- §302 - SOA'02                      HTML     27K 
 7: EX-31.2     Certification -- §302 - SOA'02                      HTML     27K 
 8: EX-32.1     Certification -- §906 - SOA'02                      HTML     22K 
 9: EX-32.2     Certification -- §906 - SOA'02                      HTML     22K 
16: R1          Document and Entity Information                     HTML     41K 
17: R2          Consolidated Balance Sheets                         HTML    115K 
18: R3          Consolidated Balance Sheets (Parenthetical)         HTML     44K 
19: R4          Consolidated Statements of Operations               HTML     81K 
20: R5          Consolidated Statements of Comprehensive (Loss)     HTML     35K 
                Income                                                           
21: R6          Consolidated Statement of Changes in Equity         HTML     78K 
22: R7          Consolidated Statements of Cash Flows               HTML    114K 
23: R8          Basis of Presentation and Organization              HTML     38K 
24: R9          Initial Public Offering                             HTML     41K 
25: R10         Cash                                                HTML     29K 
26: R11         Accounts Receivable                                 HTML     28K 
27: R12         Fair Value Measurements                             HTML     91K 
28: R13         Accrued Expenses and Other Current Liabilities      HTML     37K 
29: R14         Variable Interest Entities                          HTML     29K 
30: R15         Noncontrolling Interests Subject to Put Provisions  HTML     38K 
31: R16         Debt                                                HTML     52K 
32: R17         Income Taxes                                        HTML     27K 
33: R18         Stock-Based Compensation                            HTML     64K 
34: R19         (Loss) Earnings Per Share                           HTML     55K 
35: R20         Related Party Transactions                          HTML     35K 
36: R21         Commitments and Contingencies                       HTML     27K 
37: R22         Certain Legal Matters                               HTML     34K 
38: R23         Changes in Ownership Interest in Consolidated       HTML     38K 
                Subsidiaries                                                     
39: R24         Basis of Presentation and Organization (Policies)   HTML     40K 
40: R25         Cash (Tables)                                       HTML     34K 
41: R26         Fair Value Measurements (Tables)                    HTML     84K 
42: R27         Accrued Expenses and Other Current Liabilities      HTML     38K 
                (Tables)                                                         
43: R28         Debt (Tables)                                       HTML     47K 
44: R29         Stock-Based Compensation (Tables)                   HTML     64K 
45: R30         (Loss) Earnings Per Share (Tables)                  HTML     52K 
46: R31         Changes in Ownership Interest in Consolidated       HTML     35K 
                Subsidiaries (Tables)                                            
47: R32         Basis of Presentation and Organization (Details)    HTML     51K 
48: R33         Initial Public Offering (Details)                   HTML    107K 
49: R34         Cash (Details)                                      HTML     29K 
50: R35         Accounts Receivable (Details)                       HTML     30K 
51: R36         Fair Value Measurements (Details)                   HTML     30K 
52: R37         Fair Value Measurements - Schedule of fair values   HTML     58K 
                (Details)                                                        
53: R38         FAIR VALUE MEASUREMENTS - Fair value rollforward    HTML     30K 
                for tax receivable agreement liability (Details)                 
54: R39         Accrued Expenses and Other Current Liabilities      HTML     41K 
                (Details)                                                        
55: R40         Variable Interest Entities (Details)                HTML     24K 
56: R41         Noncontrolling Interests Subject to Put Provisions  HTML     25K 
                (Details)                                                        
57: R42         DEBT - Schedule of long-term debt (Details)         HTML     41K 
58: R43         DEBT - Scheduled maturities of long-term debt       HTML     40K 
                (Details)                                                        
59: R44         DEBT - Narrative (Details)                          HTML     51K 
60: R45         Income Taxes (Details)                              HTML     28K 
61: R46         STOCK-BASED COMPENSATION - Schedule of Expense      HTML     30K 
                (Details)                                                        
62: R47         STOCK-BASED COMPENSATION - Narrative (Details)      HTML     48K 
63: R48         STOCK-BASED COMPENSATION - Assumptions used for     HTML     33K 
                options granted (Details)                                        
64: R49         STOCK-BASED COMPENSATION - Option activity          HTML     54K 
                (Details)                                                        
65: R50         STOCK-BASED COMPENSATION - Restricted stock awards  HTML     40K 
                (Details)                                                        
66: R51         (Loss) Earnings Per Share (Details)                 HTML     56K 
67: R52         Related Party Transactions (Details)                HTML     58K 
68: R53         Commitments and Contingencies (Details)             HTML     22K 
69: R54         Certain Legal Matters (Details)                     HTML     28K 
70: R55         Changes in Ownership Interest in Consolidated       HTML     34K 
                Subsidiaries (Details)                                           
72: XML         IDEA XML File -- Filing Summary                      XML    121K 
71: EXCEL       IDEA Workbook of Financial Reports                  XLSX     67K 
10: EX-101.INS  XBRL Instance -- ara-20170331                        XML   1.02M 
12: EX-101.CAL  XBRL Calculations -- ara-20170331_cal                XML    194K 
13: EX-101.DEF  XBRL Definitions -- ara-20170331_def                 XML    428K 
14: EX-101.LAB  XBRL Labels -- ara-20170331_lab                      XML   1.34M 
15: EX-101.PRE  XBRL Presentations -- ara-20170331_pre               XML    757K 
11: EX-101.SCH  XBRL Schema -- ara-20170331                          XSD    126K 
73: ZIP         XBRL Zipped Folder -- 0001498068-17-000035-xbrl      Zip    165K 


‘EX-101.LAB’   —   XBRL Labels — ara-20170331_lab


This Exhibit is an XBRL XML File.


                                                                                                                                                                                
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<link:label id="lab_us-gaap_SubsidiarySaleOfStockAxis_ECF7CB3D9AB3F90FE0ACC6C6EB83580A_terseLabel_en-US" xlink:label="lab_us-gaap_SubsidiarySaleOfStockAxis_ECF7CB3D9AB3F90FE0ACC6C6EB83580A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Sale of Stock [Axis] </link:label>
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<link:label id="lab_us-gaap_IPOMember_2933441A573FD80F96EAC6C6EB839227_terseLabel_en-US" xlink:label="lab_us-gaap_IPOMember_2933441A573FD80F96EAC6C6EB839227" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> IPO </link:label>
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<link:label id="lab_ara_VestedOptionStockholdersMember_4A59CE2097DF10C25485C6C6EB83EFA8_terseLabel_en-US" xlink:label="lab_ara_VestedOptionStockholdersMember_4A59CE2097DF10C25485C6C6EB83EFA8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Vested option stockholders </link:label>
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<link:label id="lab_ara_TermLoanHoldingsLLCMember_DD831AB62A65332A311AC6C6EB842E9B_terseLabel_en-US" xlink:label="lab_ara_TermLoanHoldingsLLCMember_DD831AB62A65332A311AC6C6EB842E9B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Term Loan Holdings LLC </link:label>
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<link:label id="lab_us-gaap_LongtermDebtTypeAxis_9372E81D8D683408F5F4C6C6EB84C405_terseLabel_en-US" xlink:label="lab_us-gaap_LongtermDebtTypeAxis_9372E81D8D683408F5F4C6C6EB84C405" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Long-term Debt, Type [Axis] </link:label>
<link:label id="lab_us-gaap_LongtermDebtTypeAxis_9372E81D8D683408F5F4C6C6EB84C405_label_en-US" xlink:label="lab_us-gaap_LongtermDebtTypeAxis_9372E81D8D683408F5F4C6C6EB84C405" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Debt, Type [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_9372E81D8D683408F5F4C6C6EB84C405" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_9372E81D8D683408F5F4C6C6EB84C405" xlink:to="lab_us-gaap_LongtermDebtTypeAxis_9372E81D8D683408F5F4C6C6EB84C405" xlink:type="arc"/>
<link:label id="lab_us-gaap_LongtermDebtTypeDomain_29B164C686707F340DC0C6C6EB8422E3_terseLabel_en-US" xlink:label="lab_us-gaap_LongtermDebtTypeDomain_29B164C686707F340DC0C6C6EB8422E3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Long-term Debt, Type [Domain] </link:label>
<link:label id="lab_us-gaap_LongtermDebtTypeDomain_29B164C686707F340DC0C6C6EB8422E3_label_en-US" xlink:label="lab_us-gaap_LongtermDebtTypeDomain_29B164C686707F340DC0C6C6EB8422E3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Debt, Type [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_29B164C686707F340DC0C6C6EB8422E3" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_29B164C686707F340DC0C6C6EB8422E3" xlink:to="lab_us-gaap_LongtermDebtTypeDomain_29B164C686707F340DC0C6C6EB8422E3" xlink:type="arc"/>
<link:label id="lab_ara_SecondLienCreditAgreementMember_07A583646123C26DFFACC6C6EB84AC45_terseLabel_en-US" xlink:label="lab_ara_SecondLienCreditAgreementMember_07A583646123C26DFFACC6C6EB84AC45" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Second Lien Credit Agreement </link:label>
<link:label id="lab_ara_SecondLienCreditAgreementMember_07A583646123C26DFFACC6C6EB84AC45_label_en-US" xlink:label="lab_ara_SecondLienCreditAgreementMember_07A583646123C26DFFACC6C6EB84AC45" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Second Lien Credit Agreement [Member] </link:label>
<link:label id="lab_ara_SecondLienCreditAgreementMember_07A583646123C26DFFACC6C6EB84AC45_documentation_en-US" xlink:label="lab_ara_SecondLienCreditAgreementMember_07A583646123C26DFFACC6C6EB84AC45" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Relates to the Second Lien Credit Agreement. </link:label>
<link:loc xlink:href="ara-20170331.xsd#ara_SecondLienCreditAgreementMember" xlink:label="loc_ara_SecondLienCreditAgreementMember_07A583646123C26DFFACC6C6EB84AC45" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ara_SecondLienCreditAgreementMember_07A583646123C26DFFACC6C6EB84AC45" xlink:to="lab_ara_SecondLienCreditAgreementMember_07A583646123C26DFFACC6C6EB84AC45" xlink:type="arc"/>
<link:label id="lab_ara_FirstLienCreditAgreementMember_94191BCB0F24CDAE6C38C6C6EB84288F_terseLabel_en-US" xlink:label="lab_ara_FirstLienCreditAgreementMember_94191BCB0F24CDAE6C38C6C6EB84288F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> First Lien Credit Agreement </link:label>
<link:label id="lab_ara_FirstLienCreditAgreementMember_94191BCB0F24CDAE6C38C6C6EB84288F_label_en-US" xlink:label="lab_ara_FirstLienCreditAgreementMember_94191BCB0F24CDAE6C38C6C6EB84288F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> First Lien Credit Agreement [Member] </link:label>
<link:label id="lab_ara_FirstLienCreditAgreementMember_94191BCB0F24CDAE6C38C6C6EB84288F_documentation_en-US" xlink:label="lab_ara_FirstLienCreditAgreementMember_94191BCB0F24CDAE6C38C6C6EB84288F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Relates to the First Lien Credit Agreement. </link:label>
<link:loc xlink:href="ara-20170331.xsd#ara_FirstLienCreditAgreementMember" xlink:label="loc_ara_FirstLienCreditAgreementMember_94191BCB0F24CDAE6C38C6C6EB84288F" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ara_FirstLienCreditAgreementMember_94191BCB0F24CDAE6C38C6C6EB84288F" xlink:to="lab_ara_FirstLienCreditAgreementMember_94191BCB0F24CDAE6C38C6C6EB84288F" xlink:type="arc"/>
<link:label id="lab_us-gaap_MediumTermNotesMember_9EC1F39CC55BF53C055BC6C6EB84BFCE_terseLabel_en-US" xlink:label="lab_us-gaap_MediumTermNotesMember_9EC1F39CC55BF53C055BC6C6EB84BFCE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Term loans </link:label>
<link:label id="lab_us-gaap_MediumTermNotesMember_9EC1F39CC55BF53C055BC6C6EB84BFCE_label_en-US" xlink:label="lab_us-gaap_MediumTermNotesMember_9EC1F39CC55BF53C055BC6C6EB84BFCE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Medium-term Notes [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_MediumTermNotesMember" xlink:label="loc_us-gaap_MediumTermNotesMember_9EC1F39CC55BF53C055BC6C6EB84BFCE" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_MediumTermNotesMember_9EC1F39CC55BF53C055BC6C6EB84BFCE" xlink:to="lab_us-gaap_MediumTermNotesMember_9EC1F39CC55BF53C055BC6C6EB84BFCE" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShortTermDebtTypeAxis_FB627A0532DF65961656C6C6EB84C5B8_terseLabel_en-US" xlink:label="lab_us-gaap_ShortTermDebtTypeAxis_FB627A0532DF65961656C6C6EB84C5B8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Short-term Debt, Type [Axis] </link:label>
<link:label id="lab_us-gaap_ShortTermDebtTypeAxis_FB627A0532DF65961656C6C6EB84C5B8_label_en-US" xlink:label="lab_us-gaap_ShortTermDebtTypeAxis_FB627A0532DF65961656C6C6EB84C5B8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Short-term Debt, Type [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShortTermDebtTypeAxis" xlink:label="loc_us-gaap_ShortTermDebtTypeAxis_FB627A0532DF65961656C6C6EB84C5B8" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShortTermDebtTypeAxis_FB627A0532DF65961656C6C6EB84C5B8" xlink:to="lab_us-gaap_ShortTermDebtTypeAxis_FB627A0532DF65961656C6C6EB84C5B8" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShortTermDebtTypeDomain_7CAEEE48F63071679E99C6C6EB8476E1_terseLabel_en-US" xlink:label="lab_us-gaap_ShortTermDebtTypeDomain_7CAEEE48F63071679E99C6C6EB8476E1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Short-term Debt, Type [Domain] </link:label>
<link:label id="lab_us-gaap_ShortTermDebtTypeDomain_7CAEEE48F63071679E99C6C6EB8476E1_label_en-US" xlink:label="lab_us-gaap_ShortTermDebtTypeDomain_7CAEEE48F63071679E99C6C6EB8476E1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Short-term Debt, Type [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShortTermDebtTypeDomain" xlink:label="loc_us-gaap_ShortTermDebtTypeDomain_7CAEEE48F63071679E99C6C6EB8476E1" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShortTermDebtTypeDomain_7CAEEE48F63071679E99C6C6EB8476E1" xlink:to="lab_us-gaap_ShortTermDebtTypeDomain_7CAEEE48F63071679E99C6C6EB8476E1" xlink:type="arc"/>
<link:label id="lab_us-gaap_LoansPayableMember_DB6457CA2F6419311D9AC6C6EB84B3F1_verboseLabel_en-US" xlink:label="lab_us-gaap_LoansPayableMember_DB6457CA2F6419311D9AC6C6EB84B3F1" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Clinic Loan </link:label>
<link:label id="lab_us-gaap_LoansPayableMember_DB6457CA2F6419311D9AC6C6EB84B3F1_label_en-US" xlink:label="lab_us-gaap_LoansPayableMember_DB6457CA2F6419311D9AC6C6EB84B3F1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Loans Payable [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LoansPayableMember" xlink:label="loc_us-gaap_LoansPayableMember_DB6457CA2F6419311D9AC6C6EB84B3F1" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LoansPayableMember_DB6457CA2F6419311D9AC6C6EB84B3F1" xlink:to="lab_us-gaap_LoansPayableMember_DB6457CA2F6419311D9AC6C6EB84B3F1" xlink:type="arc"/>
<link:label id="lab_us-gaap_LossContingenciesByNatureOfContingencyAxis_3ECC07B66752DE1B1C8BC6C6EB85C49A_terseLabel_en-US" xlink:label="lab_us-gaap_LossContingenciesByNatureOfContingencyAxis_3ECC07B66752DE1B1C8BC6C6EB85C49A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Loss Contingency Nature [Axis] </link:label>
<link:label id="lab_us-gaap_LossContingenciesByNatureOfContingencyAxis_3ECC07B66752DE1B1C8BC6C6EB85C49A_label_en-US" xlink:label="lab_us-gaap_LossContingenciesByNatureOfContingencyAxis_3ECC07B66752DE1B1C8BC6C6EB85C49A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Loss Contingency Nature [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LossContingenciesByNatureOfContingencyAxis" xlink:label="loc_us-gaap_LossContingenciesByNatureOfContingencyAxis_3ECC07B66752DE1B1C8BC6C6EB85C49A" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LossContingenciesByNatureOfContingencyAxis_3ECC07B66752DE1B1C8BC6C6EB85C49A" xlink:to="lab_us-gaap_LossContingenciesByNatureOfContingencyAxis_3ECC07B66752DE1B1C8BC6C6EB85C49A" xlink:type="arc"/>
<link:label id="lab_us-gaap_LossContingencyNatureDomain_0A1CA748613DDAEF2258C6C6EB852740_terseLabel_en-US" xlink:label="lab_us-gaap_LossContingencyNatureDomain_0A1CA748613DDAEF2258C6C6EB852740" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Loss Contingency, Nature [Domain] </link:label>
<link:label id="lab_us-gaap_LossContingencyNatureDomain_0A1CA748613DDAEF2258C6C6EB852740_label_en-US" xlink:label="lab_us-gaap_LossContingencyNatureDomain_0A1CA748613DDAEF2258C6C6EB852740" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Loss Contingency, Nature [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LossContingencyNatureDomain" xlink:label="loc_us-gaap_LossContingencyNatureDomain_0A1CA748613DDAEF2258C6C6EB852740" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LossContingencyNatureDomain_0A1CA748613DDAEF2258C6C6EB852740" xlink:to="lab_us-gaap_LossContingencyNatureDomain_0A1CA748613DDAEF2258C6C6EB852740" xlink:type="arc"/>
<link:label id="lab_us-gaap_GuaranteeOfIndebtednessOfOthersMember_97B464B3562BA8CCABB3C6C6EB857314_terseLabel_en-US" xlink:label="lab_us-gaap_GuaranteeOfIndebtednessOfOthersMember_97B464B3562BA8CCABB3C6C6EB857314" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Guaranteed Clinic Loan </link:label>
<link:label id="lab_us-gaap_GuaranteeOfIndebtednessOfOthersMember_97B464B3562BA8CCABB3C6C6EB857314_label_en-US" xlink:label="lab_us-gaap_GuaranteeOfIndebtednessOfOthersMember_97B464B3562BA8CCABB3C6C6EB857314" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Guarantee of Indebtedness of Others [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_GuaranteeOfIndebtednessOfOthersMember" xlink:label="loc_us-gaap_GuaranteeOfIndebtednessOfOthersMember_97B464B3562BA8CCABB3C6C6EB857314" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GuaranteeOfIndebtednessOfOthersMember_97B464B3562BA8CCABB3C6C6EB857314" xlink:to="lab_us-gaap_GuaranteeOfIndebtednessOfOthersMember_97B464B3562BA8CCABB3C6C6EB857314" xlink:type="arc"/>
<link:label id="lab_ara_ScheduleofInitialPublicOfferingLineItems_8069073398591C936F43C6C6EB8533ED_terseLabel_en-US" xlink:label="lab_ara_ScheduleofInitialPublicOfferingLineItems_8069073398591C936F43C6C6EB8533ED" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Initial Public Offering [Line Items] </link:label>
<link:label id="lab_ara_ScheduleofInitialPublicOfferingLineItems_8069073398591C936F43C6C6EB8533ED_label_en-US" xlink:label="lab_ara_ScheduleofInitialPublicOfferingLineItems_8069073398591C936F43C6C6EB8533ED" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Initial Public Offering [Line Items] </link:label>
<link:label id="lab_ara_ScheduleofInitialPublicOfferingLineItems_8069073398591C936F43C6C6EB8533ED_documentation_en-US" xlink:label="lab_ara_ScheduleofInitialPublicOfferingLineItems_8069073398591C936F43C6C6EB8533ED" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> [Line Items] for Schedule of Initial Public Offering [Table] </link:label>
<link:loc xlink:href="ara-20170331.xsd#ara_ScheduleofInitialPublicOfferingLineItems" xlink:label="loc_ara_ScheduleofInitialPublicOfferingLineItems_8069073398591C936F43C6C6EB8533ED" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ara_ScheduleofInitialPublicOfferingLineItems_8069073398591C936F43C6C6EB8533ED" xlink:to="lab_ara_ScheduleofInitialPublicOfferingLineItems_8069073398591C936F43C6C6EB8533ED" xlink:type="arc"/>
<link:label id="lab_us-gaap_StockIssuedDuringPeriodSharesNewIssues_A6099CFACBF9D8F9C984C6C6EB85D552_verboseLabel_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodSharesNewIssues_A6099CFACBF9D8F9C984C6C6EB85D552" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Number of shares sold in public offering (in shares) </link:label>
<link:label id="lab_us-gaap_StockIssuedDuringPeriodSharesNewIssues_A6099CFACBF9D8F9C984C6C6EB85D552_label_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodSharesNewIssues_A6099CFACBF9D8F9C984C6C6EB85D552" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Stock Issued During Period, Shares, New Issues </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues_A6099CFACBF9D8F9C984C6C6EB85D552" xlink:type="locator"/>
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<link:label id="lab_us-gaap_SharePrice_3A8B439883932E2BF442C6C6EB851ADE_terseLabel_en-US" xlink:label="lab_us-gaap_SharePrice_3A8B439883932E2BF442C6C6EB851ADE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Share price (in USD per share) </link:label>
<link:label id="lab_us-gaap_SharePrice_3A8B439883932E2BF442C6C6EB851ADE_label_en-US" xlink:label="lab_us-gaap_SharePrice_3A8B439883932E2BF442C6C6EB851ADE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share Price </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SharePrice" xlink:label="loc_us-gaap_SharePrice_3A8B439883932E2BF442C6C6EB851ADE" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ProceedsFromIssuanceInitialPublicOffering_3301B73F0A0FAFFEAD86C6C6EB85B6D0_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromIssuanceInitialPublicOffering_3301B73F0A0FAFFEAD86C6C6EB85B6D0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Net proceeds to the Company </link:label>
<link:label id="lab_us-gaap_ProceedsFromIssuanceInitialPublicOffering_3301B73F0A0FAFFEAD86C6C6EB85B6D0_label_en-US" xlink:label="lab_us-gaap_ProceedsFromIssuanceInitialPublicOffering_3301B73F0A0FAFFEAD86C6C6EB85B6D0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Proceeds from Issuance Initial Public Offering </link:label>
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<link:label id="lab_us-gaap_CommonStockNumberOfSharesParValueAndOtherDisclosuresAbstract_CC7E988D3C621EB27716C6C6EB85D0CA_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockNumberOfSharesParValueAndOtherDisclosuresAbstract_CC7E988D3C621EB27716C6C6EB85D0CA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Amendment of Certificate of Incorporation and Initial Public Offering </link:label>
<link:label id="lab_us-gaap_CommonStockNumberOfSharesParValueAndOtherDisclosuresAbstract_CC7E988D3C621EB27716C6C6EB85D0CA_label_en-US" xlink:label="lab_us-gaap_CommonStockNumberOfSharesParValueAndOtherDisclosuresAbstract_CC7E988D3C621EB27716C6C6EB85D0CA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Common Stock, Number of Shares, Par Value and Other Disclosures [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CommonStockNumberOfSharesParValueAndOtherDisclosuresAbstract" xlink:label="loc_us-gaap_CommonStockNumberOfSharesParValueAndOtherDisclosuresAbstract_CC7E988D3C621EB27716C6C6EB85D0CA" xlink:type="locator"/>
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<link:label id="lab_us-gaap_CommonStockSharesAuthorized_BF317C75364CB4C5C36AC6C6EB85BDCD_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockSharesAuthorized_BF317C75364CB4C5C36AC6C6EB85BDCD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Common stock, shares authorized (in shares) </link:label>
<link:label id="lab_us-gaap_CommonStockSharesAuthorized_BF317C75364CB4C5C36AC6C6EB85BDCD_label_en-US" xlink:label="lab_us-gaap_CommonStockSharesAuthorized_BF317C75364CB4C5C36AC6C6EB85BDCD" 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/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CommonStockSharesAuthorized" xlink:label="loc_us-gaap_CommonStockSharesAuthorized_BF317C75364CB4C5C36AC6C6EB85BDCD" xlink:type="locator"/>
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<link:label id="lab_us-gaap_CommonStockParOrStatedValuePerShare_BE9A3F17A1B53C61DE3EC6C6EB85D1DE_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockParOrStatedValuePerShare_BE9A3F17A1B53C61DE3EC6C6EB85D1DE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Common stock, par value (in USD per share) </link:label>
<link:label id="lab_us-gaap_CommonStockParOrStatedValuePerShare_BE9A3F17A1B53C61DE3EC6C6EB85D1DE_label_en-US" xlink:label="lab_us-gaap_CommonStockParOrStatedValuePerShare_BE9A3F17A1B53C61DE3EC6C6EB85D1DE" 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/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CommonStockParOrStatedValuePerShare" xlink:label="loc_us-gaap_CommonStockParOrStatedValuePerShare_BE9A3F17A1B53C61DE3EC6C6EB85D1DE" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockParOrStatedValuePerShare_BE9A3F17A1B53C61DE3EC6C6EB85D1DE" xlink:to="lab_us-gaap_CommonStockParOrStatedValuePerShare_BE9A3F17A1B53C61DE3EC6C6EB85D1DE" xlink:type="arc"/>
<link:label id="lab_us-gaap_StockholdersEquityNoteStockSplitConversionRatio1_17A113CB62CC9650E57FC6C6EB85C999_terseLabel_en-US" xlink:label="lab_us-gaap_StockholdersEquityNoteStockSplitConversionRatio1_17A113CB62CC9650E57FC6C6EB85C999" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Stock split ratio </link:label>
<link:label id="lab_us-gaap_StockholdersEquityNoteStockSplitConversionRatio1_17A113CB62CC9650E57FC6C6EB85C999_label_en-US" xlink:label="lab_us-gaap_StockholdersEquityNoteStockSplitConversionRatio1_17A113CB62CC9650E57FC6C6EB85C999" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Stockholders' Equity Note, Stock Split, Conversion Ratio </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StockholdersEquityNoteStockSplitConversionRatio1" xlink:label="loc_us-gaap_StockholdersEquityNoteStockSplitConversionRatio1_17A113CB62CC9650E57FC6C6EB85C999" xlink:type="locator"/>
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<link:label id="lab_us-gaap_DueToRelatedPartiesCurrentAndNoncurrentAbstract_A46B0D3A602C087A4FDAC6C6EB857F4C_verboseLabel_en-US" xlink:label="lab_us-gaap_DueToRelatedPartiesCurrentAndNoncurrentAbstract_A46B0D3A602C087A4FDAC6C6EB857F4C" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Clinic Loan Assignment and Term Loan Holdings LLC Distribution </link:label>
<link:label id="lab_us-gaap_DueToRelatedPartiesCurrentAndNoncurrentAbstract_A46B0D3A602C087A4FDAC6C6EB857F4C_label_en-US" xlink:label="lab_us-gaap_DueToRelatedPartiesCurrentAndNoncurrentAbstract_A46B0D3A602C087A4FDAC6C6EB857F4C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Due to Related Parties [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DueToRelatedPartiesCurrentAndNoncurrentAbstract" xlink:label="loc_us-gaap_DueToRelatedPartiesCurrentAndNoncurrentAbstract_A46B0D3A602C087A4FDAC6C6EB857F4C" xlink:type="locator"/>
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<link:label id="lab_ara_NotesPayableCurrentAndNoncurrent_8E86431C1B5BD0D6B58FC6C6EB85041B_terseLabel_en-US" xlink:label="lab_ara_NotesPayableCurrentAndNoncurrent_8E86431C1B5BD0D6B58FC6C6EB85041B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Assigned clinic loans </link:label>
<link:label id="lab_ara_NotesPayableCurrentAndNoncurrent_8E86431C1B5BD0D6B58FC6C6EB85041B_label_en-US" xlink:label="lab_ara_NotesPayableCurrentAndNoncurrent_8E86431C1B5BD0D6B58FC6C6EB85041B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Notes Payable Current And NonCurrent </link:label>
<link:label id="lab_ara_NotesPayableCurrentAndNoncurrent_8E86431C1B5BD0D6B58FC6C6EB85041B_documentation_en-US" xlink:label="lab_ara_NotesPayableCurrentAndNoncurrent_8E86431C1B5BD0D6B58FC6C6EB85041B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the amount for intercompany term loans. </link:label>
<link:loc xlink:href="ara-20170331.xsd#ara_NotesPayableCurrentAndNoncurrent" xlink:label="loc_ara_NotesPayableCurrentAndNoncurrent_8E86431C1B5BD0D6B58FC6C6EB85041B" xlink:type="locator"/>
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<link:label id="lab_ara_ClinicLoanGuarantee_11B0F8180B7F11F7E2E7C6C6EB863988_terseLabel_en-US" xlink:label="lab_ara_ClinicLoanGuarantee_11B0F8180B7F11F7E2E7C6C6EB863988" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Clinic loan guarantee </link:label>
<link:label id="lab_ara_ClinicLoanGuarantee_11B0F8180B7F11F7E2E7C6C6EB863988_label_en-US" xlink:label="lab_ara_ClinicLoanGuarantee_11B0F8180B7F11F7E2E7C6C6EB863988" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Clinic Loan Guarantee </link:label>
<link:label id="lab_ara_ClinicLoanGuarantee_11B0F8180B7F11F7E2E7C6C6EB863988_documentation_en-US" xlink:label="lab_ara_ClinicLoanGuarantee_11B0F8180B7F11F7E2E7C6C6EB863988" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the amount of the assigned clinic loans guaranteed in proportion to the respective ownership interests. </link:label>
<link:loc xlink:href="ara-20170331.xsd#ara_ClinicLoanGuarantee" xlink:label="loc_ara_ClinicLoanGuarantee_11B0F8180B7F11F7E2E7C6C6EB863988" xlink:type="locator"/>
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<link:label id="lab_us-gaap_LineOfCreditFacilityIncreaseDecreaseNetAbstract_21E378DA3C9D7E6E5A0BC6C6EB861529_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityIncreaseDecreaseNetAbstract_21E378DA3C9D7E6E5A0BC6C6EB861529" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Amendments to and Repayment of Credit Facility </link:label>
<link:label id="lab_us-gaap_LineOfCreditFacilityIncreaseDecreaseNetAbstract_21E378DA3C9D7E6E5A0BC6C6EB861529_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityIncreaseDecreaseNetAbstract_21E378DA3C9D7E6E5A0BC6C6EB861529" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Line of Credit Facility, Increase (Decrease), Net [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LineOfCreditFacilityIncreaseDecreaseNetAbstract" xlink:label="loc_us-gaap_LineOfCreditFacilityIncreaseDecreaseNetAbstract_21E378DA3C9D7E6E5A0BC6C6EB861529" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditFacilityIncreaseDecreaseNetAbstract_21E378DA3C9D7E6E5A0BC6C6EB861529" xlink:to="lab_us-gaap_LineOfCreditFacilityIncreaseDecreaseNetAbstract_21E378DA3C9D7E6E5A0BC6C6EB861529" xlink:type="arc"/>
<link:label id="lab_us-gaap_LineOfCreditFacilityIncreaseDecreaseForPeriodNet_EFA006677A69C9137D3EC6C6EB86238D_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityIncreaseDecreaseForPeriodNet_EFA006677A69C9137D3EC6C6EB86238D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Increase in borrowing capacity </link:label>
<link:label id="lab_us-gaap_LineOfCreditFacilityIncreaseDecreaseForPeriodNet_EFA006677A69C9137D3EC6C6EB86238D_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityIncreaseDecreaseForPeriodNet_EFA006677A69C9137D3EC6C6EB86238D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Line of Credit Facility, Increase (Decrease), Net </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LineOfCreditFacilityIncreaseDecreaseForPeriodNet" xlink:label="loc_us-gaap_LineOfCreditFacilityIncreaseDecreaseForPeriodNet_EFA006677A69C9137D3EC6C6EB86238D" xlink:type="locator"/>
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<link:label id="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_36CDBE59B91BB6CA1802C6C6EB8643FF_verboseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_36CDBE59B91BB6CA1802C6C6EB8643FF" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Aggregate amount of borrowing capacity </link:label>
<link:label id="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_36CDBE59B91BB6CA1802C6C6EB8643FF_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_36CDBE59B91BB6CA1802C6C6EB8643FF" 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/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_36CDBE59B91BB6CA1802C6C6EB8643FF" xlink:type="locator"/>
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<link:label id="lab_us-gaap_DebtInstrumentInterestRateIncreaseDecrease_6BBBB64FB200D00B4A30C6C6EB86FCAE_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentInterestRateIncreaseDecrease_6BBBB64FB200D00B4A30C6C6EB86FCAE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Interest rate margin increase </link:label>
<link:label id="lab_us-gaap_DebtInstrumentInterestRateIncreaseDecrease_6BBBB64FB200D00B4A30C6C6EB86FCAE_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentInterestRateIncreaseDecrease_6BBBB64FB200D00B4A30C6C6EB86FCAE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Interest Rate, Increase (Decrease) </link:label>
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<link:label id="lab_us-gaap_PaymentsOfDebtIssuanceCosts_27A70B0D99F153F688F7C6C6EB86A1B6_terseLabel_en-US" xlink:label="lab_us-gaap_PaymentsOfDebtIssuanceCosts_27A70B0D99F153F688F7C6C6EB86A1B6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Proceeds from terms loans, net of deferred financing costs </link:label>
<link:label id="lab_us-gaap_PaymentsOfDebtIssuanceCosts_27A70B0D99F153F688F7C6C6EB86A1B6_label_en-US" xlink:label="lab_us-gaap_PaymentsOfDebtIssuanceCosts_27A70B0D99F153F688F7C6C6EB86A1B6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Payments of Debt Issuance Costs </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PaymentsOfDebtIssuanceCosts" xlink:label="loc_us-gaap_PaymentsOfDebtIssuanceCosts_27A70B0D99F153F688F7C6C6EB86A1B6" xlink:type="locator"/>
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<link:label id="lab_ara_TransactionCosts_DC32546F17660D0E5896C6C6EB8617A2_verboseLabel_en-US" xlink:label="lab_ara_TransactionCosts_DC32546F17660D0E5896C6C6EB8617A2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Transaction costs </link:label>
<link:label id="lab_ara_TransactionCosts_DC32546F17660D0E5896C6C6EB8617A2_label_en-US" xlink:label="lab_ara_TransactionCosts_DC32546F17660D0E5896C6C6EB8617A2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Transaction Costs </link:label>
<link:label id="lab_ara_TransactionCosts_DC32546F17660D0E5896C6C6EB8617A2_documentation_en-US" xlink:label="lab_ara_TransactionCosts_DC32546F17660D0E5896C6C6EB8617A2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Costs associated with debt refinancing and other IPO related transactions. These costs include legal, accounting, valuation and other professional or consulting fees. </link:label>
<link:loc xlink:href="ara-20170331.xsd#ara_TransactionCosts" xlink:label="loc_ara_TransactionCosts_DC32546F17660D0E5896C6C6EB8617A2" xlink:type="locator"/>
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<link:label id="lab_us-gaap_DeferredFinanceCostsCurrentNet_243EE00A70FC2F3E62DFC6C6EB86129B_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredFinanceCostsCurrentNet_243EE00A70FC2F3E62DFC6C6EB86129B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Deferred finance costs </link:label>
<link:label id="lab_us-gaap_DeferredFinanceCostsCurrentNet_243EE00A70FC2F3E62DFC6C6EB86129B_label_en-US" xlink:label="lab_us-gaap_DeferredFinanceCostsCurrentNet_243EE00A70FC2F3E62DFC6C6EB86129B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Issuance Costs, Current, Net </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DeferredFinanceCostsCurrentNet" xlink:label="loc_us-gaap_DeferredFinanceCostsCurrentNet_243EE00A70FC2F3E62DFC6C6EB86129B" xlink:type="locator"/>
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<link:label id="lab_us-gaap_WriteOffOfDeferredDebtIssuanceCost_15D9F8E2918F60007E6EC6C6EB87C4A8_terseLabel_en-US" xlink:label="lab_us-gaap_WriteOffOfDeferredDebtIssuanceCost_15D9F8E2918F60007E6EC6C6EB87C4A8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Write-off of deferred financing fees </link:label>
<link:label id="lab_us-gaap_WriteOffOfDeferredDebtIssuanceCost_15D9F8E2918F60007E6EC6C6EB87C4A8_label_en-US" xlink:label="lab_us-gaap_WriteOffOfDeferredDebtIssuanceCost_15D9F8E2918F60007E6EC6C6EB87C4A8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Write off of Deferred Debt Issuance Cost </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_WriteOffOfDeferredDebtIssuanceCost" xlink:label="loc_us-gaap_WriteOffOfDeferredDebtIssuanceCost_15D9F8E2918F60007E6EC6C6EB87C4A8" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_WriteOffOfDeferredDebtIssuanceCost_15D9F8E2918F60007E6EC6C6EB87C4A8" xlink:to="lab_us-gaap_WriteOffOfDeferredDebtIssuanceCost_15D9F8E2918F60007E6EC6C6EB87C4A8" xlink:type="arc"/>
<link:label id="lab_ara_PercentageTaxSavingsPayableToStockholders_9A95A58D879B80D90EEAC6C6EB87FAF7_terseLabel_en-US" xlink:label="lab_ara_PercentageTaxSavingsPayableToStockholders_9A95A58D879B80D90EEAC6C6EB87FAF7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Percentage tax savings payable to pre-IPO stockholders </link:label>
<link:label id="lab_ara_PercentageTaxSavingsPayableToStockholders_9A95A58D879B80D90EEAC6C6EB87FAF7_label_en-US" xlink:label="lab_ara_PercentageTaxSavingsPayableToStockholders_9A95A58D879B80D90EEAC6C6EB87FAF7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Percentage Tax Savings Payable To Stockholders </link:label>
<link:label id="lab_ara_PercentageTaxSavingsPayableToStockholders_9A95A58D879B80D90EEAC6C6EB87FAF7_documentation_en-US" xlink:label="lab_ara_PercentageTaxSavingsPayableToStockholders_9A95A58D879B80D90EEAC6C6EB87FAF7" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The percentage of cash savings in U.S. federal, state and local income tax realized as a result of any deductions (including net operating losses resulting from such deductions) attributable to the exercise of (or any payment, including any dividend equivalent right or payment, in respect of) any compensatory stock option issued payable to our pre-IPO stockholders on a pro rata basis. </link:label>
<link:loc xlink:href="ara-20170331.xsd#ara_PercentageTaxSavingsPayableToStockholders" xlink:label="loc_ara_PercentageTaxSavingsPayableToStockholders_9A95A58D879B80D90EEAC6C6EB87FAF7" xlink:type="locator"/>
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<link:label id="lab_ara_IncomeTaxReceivableAgreementLiabilityTotal_48AF2273C543794B8F35C6C6EB8774D9_terseLabel_en-US" xlink:label="lab_ara_IncomeTaxReceivableAgreementLiabilityTotal_48AF2273C543794B8F35C6C6EB8774D9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Income tax receivable agreement liability total </link:label>
<link:label id="lab_ara_IncomeTaxReceivableAgreementLiabilityTotal_48AF2273C543794B8F35C6C6EB8774D9_label_en-US" xlink:label="lab_ara_IncomeTaxReceivableAgreementLiabilityTotal_48AF2273C543794B8F35C6C6EB8774D9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income Tax Receivable Agreement Liability Total </link:label>
<link:label id="lab_ara_IncomeTaxReceivableAgreementLiabilityTotal_48AF2273C543794B8F35C6C6EB8774D9_documentation_en-US" xlink:label="lab_ara_IncomeTaxReceivableAgreementLiabilityTotal_48AF2273C543794B8F35C6C6EB8774D9" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Income tax receivable agreement liability total </link:label>
<link:loc xlink:href="ara-20170331.xsd#ara_IncomeTaxReceivableAgreementLiabilityTotal" xlink:label="loc_ara_IncomeTaxReceivableAgreementLiabilityTotal_48AF2273C543794B8F35C6C6EB8774D9" xlink:type="locator"/>
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<link:label id="lab_ara_IncomeTaxReceivableAgreementLiabilityCurrent_E5EE963C2E1F9A8C4D9BC6C6EB876ABF_terseLabel_en-US" xlink:label="lab_ara_IncomeTaxReceivableAgreementLiabilityCurrent_E5EE963C2E1F9A8C4D9BC6C6EB876ABF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Income tax receivable agreement liability current </link:label>
<link:label id="lab_ara_IncomeTaxReceivableAgreementLiabilityCurrent_E5EE963C2E1F9A8C4D9BC6C6EB876ABF_label_en-US" xlink:label="lab_ara_IncomeTaxReceivableAgreementLiabilityCurrent_E5EE963C2E1F9A8C4D9BC6C6EB876ABF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income Tax Receivable Agreement Liability Current </link:label>
<link:label id="lab_ara_IncomeTaxReceivableAgreementLiabilityCurrent_E5EE963C2E1F9A8C4D9BC6C6EB876ABF_documentation_en-US" xlink:label="lab_ara_IncomeTaxReceivableAgreementLiabilityCurrent_E5EE963C2E1F9A8C4D9BC6C6EB876ABF" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Income tax receivable agreement liability current </link:label>
<link:loc xlink:href="ara-20170331.xsd#ara_IncomeTaxReceivableAgreementLiabilityCurrent" xlink:label="loc_ara_IncomeTaxReceivableAgreementLiabilityCurrent_E5EE963C2E1F9A8C4D9BC6C6EB876ABF" xlink:type="locator"/>
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<link:label id="lab_ara_DividendsCashPerShare_2632751C2EF086AFFA70C6C6EB872FB7_terseLabel_en-US" xlink:label="lab_ara_DividendsCashPerShare_2632751C2EF086AFFA70C6C6EB872FB7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Cash dividend (in USD per share) </link:label>
<link:label id="lab_ara_DividendsCashPerShare_2632751C2EF086AFFA70C6C6EB872FB7_label_en-US" xlink:label="lab_ara_DividendsCashPerShare_2632751C2EF086AFFA70C6C6EB872FB7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Dividends Cash Per Share </link:label>
<link:label id="lab_ara_DividendsCashPerShare_2632751C2EF086AFFA70C6C6EB872FB7_documentation_en-US" xlink:label="lab_ara_DividendsCashPerShare_2632751C2EF086AFFA70C6C6EB872FB7" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Amount of paid and unpaid common stock dividends declared with the form of settlement in cash (in dollars per share). </link:label>
<link:loc xlink:href="ara-20170331.xsd#ara_DividendsCashPerShare" xlink:label="loc_ara_DividendsCashPerShare_2632751C2EF086AFFA70C6C6EB872FB7" xlink:type="locator"/>
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<link:label id="lab_us-gaap_DividendsCash_803290D5C8FAE68C8C9EC6C6EB876AE7_terseLabel_en-US" xlink:label="lab_us-gaap_DividendsCash_803290D5C8FAE68C8C9EC6C6EB876AE7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Cash dividend </link:label>
<link:label id="lab_us-gaap_DividendsCash_803290D5C8FAE68C8C9EC6C6EB876AE7_label_en-US" xlink:label="lab_us-gaap_DividendsCash_803290D5C8FAE68C8C9EC6C6EB876AE7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Dividends, Cash </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DividendsCash" xlink:label="loc_us-gaap_DividendsCash_803290D5C8FAE68C8C9EC6C6EB876AE7" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DividendsCash_803290D5C8FAE68C8C9EC6C6EB876AE7" xlink:to="lab_us-gaap_DividendsCash_803290D5C8FAE68C8C9EC6C6EB876AE7" xlink:type="arc"/>
<link:label id="lab_ara_EquitableAdjustmentCashDividendEquivalentPaymentPerShare_5AE891DCCD7D7DBB5EBAC6C6EB877414_terseLabel_en-US" xlink:label="lab_ara_EquitableAdjustmentCashDividendEquivalentPaymentPerShare_5AE891DCCD7D7DBB5EBAC6C6EB877414" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Equivalent adjustments in the form of cash dividend equivalent payments (in USD per share) </link:label>
<link:label id="lab_ara_EquitableAdjustmentCashDividendEquivalentPaymentPerShare_5AE891DCCD7D7DBB5EBAC6C6EB877414_label_en-US" xlink:label="lab_ara_EquitableAdjustmentCashDividendEquivalentPaymentPerShare_5AE891DCCD7D7DBB5EBAC6C6EB877414" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Equitable Adjustment Cash Dividend Equivalent Payment Per Share </link:label>
<link:label id="lab_ara_EquitableAdjustmentCashDividendEquivalentPaymentPerShare_5AE891DCCD7D7DBB5EBAC6C6EB877414_documentation_en-US" xlink:label="lab_ara_EquitableAdjustmentCashDividendEquivalentPaymentPerShare_5AE891DCCD7D7DBB5EBAC6C6EB877414" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents dividend equivalent payments on certain stock options per share amount. </link:label>
<link:loc xlink:href="ara-20170331.xsd#ara_EquitableAdjustmentCashDividendEquivalentPaymentPerShare" xlink:label="loc_ara_EquitableAdjustmentCashDividendEquivalentPaymentPerShare_5AE891DCCD7D7DBB5EBAC6C6EB877414" xlink:type="locator"/>
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<link:label id="lab_ara_EquitableAdjustmentCashDividendEquivalentPayment_3A6FF1B235B4ECE7ADF4C6C6EB8732B1_terseLabel_en-US" xlink:label="lab_ara_EquitableAdjustmentCashDividendEquivalentPayment_3A6FF1B235B4ECE7ADF4C6C6EB8732B1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Equitable adjustments in the form of cash dividend equivalent payments </link:label>
<link:label id="lab_ara_EquitableAdjustmentCashDividendEquivalentPayment_3A6FF1B235B4ECE7ADF4C6C6EB8732B1_label_en-US" xlink:label="lab_ara_EquitableAdjustmentCashDividendEquivalentPayment_3A6FF1B235B4ECE7ADF4C6C6EB8732B1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Equitable Adjustment Cash Dividend Equivalent Payment </link:label>
<link:label id="lab_ara_EquitableAdjustmentCashDividendEquivalentPayment_3A6FF1B235B4ECE7ADF4C6C6EB8732B1_documentation_en-US" xlink:label="lab_ara_EquitableAdjustmentCashDividendEquivalentPayment_3A6FF1B235B4ECE7ADF4C6C6EB8732B1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Dividend equivalent payments on certain stock options. </link:label>
<link:loc xlink:href="ara-20170331.xsd#ara_EquitableAdjustmentCashDividendEquivalentPayment" xlink:label="loc_ara_EquitableAdjustmentCashDividendEquivalentPayment_3A6FF1B235B4ECE7ADF4C6C6EB8732B1" xlink:type="locator"/>
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<link:label id="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions_9849EFBA54A6E00D7353C6C6EB87E710_terseLabel_en-US" xlink:label="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions_9849EFBA54A6E00D7353C6C6EB87E710" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Unrecognized non-cash compensation costs </link:label>
<link:label id="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions_9849EFBA54A6E00D7353C6C6EB87E710_label_en-US" xlink:label="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions_9849EFBA54A6E00D7353C6C6EB87E710" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Stock Options </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions_9849EFBA54A6E00D7353C6C6EB87E710" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationIncrementalCompensationCost_9E16703A5AAD378DDDA7C6C6EB8775E4_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationIncrementalCompensationCost_9E16703A5AAD378DDDA7C6C6EB8775E4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Stock compensation due to modification </link:label>
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<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationIncrementalCompensationCost" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationIncrementalCompensationCost_9E16703A5AAD378DDDA7C6C6EB8775E4" xlink:type="locator"/>
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<link:label id="lab_ara_DocumentAndEntityInformationAbstract_7B0108794FE6A206BFB387347A51CB3A_label_en-US" xlink:label="lab_ara_DocumentAndEntityInformationAbstract_7B0108794FE6A206BFB387347A51CB3A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Document and Entity Information </link:label>
<link:label id="lab_ara_DocumentAndEntityInformationAbstract_7B0108794FE6A206BFB387347A51CB3A_documentation_en-US" xlink:label="lab_ara_DocumentAndEntityInformationAbstract_7B0108794FE6A206BFB387347A51CB3A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"/>
<link:loc xlink:href="ara-20170331.xsd#ara_DocumentAndEntityInformationAbstract" xlink:label="loc_ara_DocumentAndEntityInformationAbstract_7B0108794FE6A206BFB387347A51CB3A" xlink:type="locator"/>
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<link:label id="lab_dei_EntityRegistrantName_5A8621005C4EBB9644B887347A51BBD8_terseLabel_en-US" xlink:label="lab_dei_EntityRegistrantName_5A8621005C4EBB9644B887347A51BBD8" 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_5A8621005C4EBB9644B887347A51BBD8_label_en-US" xlink:label="lab_dei_EntityRegistrantName_5A8621005C4EBB9644B887347A51BBD8" 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_5A8621005C4EBB9644B887347A51BBD8" xlink:type="locator"/>
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<link:label id="lab_dei_EntityCentralIndexKey_BE5E29DEC550DC280CA887347A516CA6_terseLabel_en-US" xlink:label="lab_dei_EntityCentralIndexKey_BE5E29DEC550DC280CA887347A516CA6" 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_BE5E29DEC550DC280CA887347A516CA6_label_en-US" xlink:label="lab_dei_EntityCentralIndexKey_BE5E29DEC550DC280CA887347A516CA6" 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_BE5E29DEC550DC280CA887347A516CA6" xlink:type="locator"/>
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<link:label id="lab_us-gaap_DebtInstrumentTable_133934FA0C9A3A4A64D2DA2EBA4DE9AC_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentTable_133934FA0C9A3A4A64D2DA2EBA4DE9AC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Long-term Debt Instruments [Table] </link:label>
<link:label id="lab_us-gaap_DebtInstrumentTable_133934FA0C9A3A4A64D2DA2EBA4DE9AC_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentTable_133934FA0C9A3A4A64D2DA2EBA4DE9AC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Long-term Debt Instruments [Table] </link:label>
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<link:label id="lab_us-gaap_MediumTermNotesMember_F9FE5F09E093340BB8F4DA2EBA4DF28E_verboseLabel_en-US" xlink:label="lab_us-gaap_MediumTermNotesMember_F9FE5F09E093340BB8F4DA2EBA4DF28E" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Term Loans </link:label>
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<link:label id="lab_us-gaap_LineOfCreditMember_B2B03EEC5824436F62D3DA2EBA4DC445_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditMember_B2B03EEC5824436F62D3DA2EBA4DC445" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Lines of Credit </link:label>
<link:label id="lab_us-gaap_LineOfCreditMember_B2B03EEC5824436F62D3DA2EBA4DC445_label_en-US" xlink:label="lab_us-gaap_LineOfCreditMember_B2B03EEC5824436F62D3DA2EBA4DC445" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Line of Credit [Member] </link:label>
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<link:label id="lab_us-gaap_NotesPayableOtherPayablesMember_C932552F54D6D7CBD34ADA2EBA4D42AB_terseLabel_en-US" xlink:label="lab_us-gaap_NotesPayableOtherPayablesMember_C932552F54D6D7CBD34ADA2EBA4D42AB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other </link:label>
<link:label id="lab_us-gaap_NotesPayableOtherPayablesMember_C932552F54D6D7CBD34ADA2EBA4D42AB_label_en-US" xlink:label="lab_us-gaap_NotesPayableOtherPayablesMember_C932552F54D6D7CBD34ADA2EBA4D42AB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Notes Payable, Other Payables [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NotesPayableOtherPayablesMember" xlink:label="loc_us-gaap_NotesPayableOtherPayablesMember_C932552F54D6D7CBD34ADA2EBA4D42AB" xlink:type="locator"/>
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<link:label id="lab_us-gaap_DebtInstrumentLineItems_8EDBD9F1C64001EEA5BCDA2EBA4E90E3_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentLineItems_8EDBD9F1C64001EEA5BCDA2EBA4E90E3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> LONG-TERM DEBT </link:label>
<link:label id="lab_us-gaap_DebtInstrumentLineItems_8EDBD9F1C64001EEA5BCDA2EBA4E90E3_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentLineItems_8EDBD9F1C64001EEA5BCDA2EBA4E90E3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instrument [Line Items] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_us-gaap_DebtInstrumentLineItems_8EDBD9F1C64001EEA5BCDA2EBA4E90E3" xlink:type="locator"/>
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<link:label id="lab_us-gaap_DebtInstrumentCarryingAmount_BC6E6704ABABD9D7DF17DA2EBA4E5083_verboseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentCarryingAmount_BC6E6704ABABD9D7DF17DA2EBA4E5083" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Long-term debt, gross </link:label>
<link:label id="lab_us-gaap_DebtInstrumentCarryingAmount_BC6E6704ABABD9D7DF17DA2EBA4E5083_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentCarryingAmount_BC6E6704ABABD9D7DF17DA2EBA4E5083" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Debt, Gross </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtInstrumentCarryingAmount" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_BC6E6704ABABD9D7DF17DA2EBA4E5083" xlink:type="locator"/>
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<link:label id="lab_us-gaap_LongTermDebt_B2B501542AFAC7BF9146DA2EBA4E9DDC_totalLabel_en-US" xlink:label="lab_us-gaap_LongTermDebt_B2B501542AFAC7BF9146DA2EBA4E9DDC" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total long-term debt </link:label>
<link:label id="lab_us-gaap_LongTermDebt_B2B501542AFAC7BF9146DA2EBA4E9DDC_label_en-US" xlink:label="lab_us-gaap_LongTermDebt_B2B501542AFAC7BF9146DA2EBA4E9DDC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Debt </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LongTermDebt" xlink:label="loc_us-gaap_LongTermDebt_B2B501542AFAC7BF9146DA2EBA4E9DDC" xlink:type="locator"/>
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<link:label id="lab_us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet_5450A72753AA3AB5A0B8DA2EBA4E3CD6_negatedLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet_5450A72753AA3AB5A0B8DA2EBA4E3CD6" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Less: discounts and fees, net of accumulated amortization </link:label>
<link:label id="lab_us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet_5450A72753AA3AB5A0B8DA2EBA4E3CD6_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet_5450A72753AA3AB5A0B8DA2EBA4E3CD6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net </link:label>
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<link:label id="lab_us-gaap_LongTermDebtCurrent_63F8E74B54A3D0A58963DA2EBA4EE915_negatedLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtCurrent_63F8E74B54A3D0A58963DA2EBA4EE915" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Less: current maturities </link:label>
<link:label id="lab_us-gaap_LongTermDebtCurrent_63F8E74B54A3D0A58963DA2EBA4EE915_label_en-US" xlink:label="lab_us-gaap_LongTermDebtCurrent_63F8E74B54A3D0A58963DA2EBA4EE915" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Debt, Current Maturities </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LongTermDebtCurrent" xlink:label="loc_us-gaap_LongTermDebtCurrent_63F8E74B54A3D0A58963DA2EBA4EE915" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtCurrent_63F8E74B54A3D0A58963DA2EBA4EE915" xlink:to="lab_us-gaap_LongTermDebtCurrent_63F8E74B54A3D0A58963DA2EBA4EE915" xlink:type="arc"/>
<link:label id="lab_us-gaap_LongTermDebtNoncurrent_CA1A8D9FD9DF0462A054DA2EBA4E3845_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtNoncurrent_CA1A8D9FD9DF0462A054DA2EBA4E3845" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Long-term debt, less current portion </link:label>
<link:label id="lab_us-gaap_LongTermDebtNoncurrent_CA1A8D9FD9DF0462A054DA2EBA4E3845_label_en-US" xlink:label="lab_us-gaap_LongTermDebtNoncurrent_CA1A8D9FD9DF0462A054DA2EBA4E3845" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Debt, Excluding Current Maturities </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LongTermDebtNoncurrent" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_CA1A8D9FD9DF0462A054DA2EBA4E3845" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtNoncurrent_CA1A8D9FD9DF0462A054DA2EBA4E3845" xlink:to="lab_us-gaap_LongTermDebtNoncurrent_CA1A8D9FD9DF0462A054DA2EBA4E3845" xlink:type="arc"/>
<link:label id="lab_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_0D64EF061DDB61C3EC80BFE64BA6D734_label_en-US" xlink:label="lab_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_0D64EF061DDB61C3EC80BFE64BA6D734" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disclosure of Compensation Related Costs, Share-based Payments [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_0D64EF061DDB61C3EC80BFE64BA6D734" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_3D00D76BA76AFEDEB93EBFE64BA63821_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_3D00D76BA76AFEDEB93EBFE64BA63821" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Expected volatility </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_3D00D76BA76AFEDEB93EBFE64BA63821_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_3D00D76BA76AFEDEB93EBFE64BA63821" 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, Fair Value Assumptions, Expected Volatility Rate </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_3D00D76BA76AFEDEB93EBFE64BA63821" xlink:type="locator"/>
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<link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_1BF8F95A175C38BEE1C5BFE64BA601C3_terseLabel_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_1BF8F95A175C38BEE1C5BFE64BA601C3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Weighted average expected term in years </link:label>
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<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_CD57A04C7CBFE67E1E4ABFE64BA688F9_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_CD57A04C7CBFE67E1E4ABFE64BA688F9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Weighted average risk-free interest rate </link:label>
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<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_CD57A04C7CBFE67E1E4ABFE64BA688F9" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_432FFE3F926CDC63EEB3BFE64BA697DF_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_432FFE3F926CDC63EEB3BFE64BA697DF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Expected annual dividend yield </link:label>
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<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_3CEE85FB56D724EBEFE3BFB9B104DC4F_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_3CEE85FB56D724EBEFE3BFB9B104DC4F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Granted (in USD per share) </link:label>
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<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_EBD6095FEECB5BD4222ABFBA1AD627D9_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_EBD6095FEECB5BD4222ABFBA1AD627D9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Vested (in USD per share) </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_EBD6095FEECB5BD4222ABFBA1AD627D9_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_EBD6095FEECB5BD4222ABFBA1AD627D9" 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, Vested in Period, Weighted Average Grant Date Fair Value </link:label>
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<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_3E42098130D3AB4A9058BFB941421015_periodEndLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_3E42098130D3AB4A9058BFB941421015" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US"> Ending balance (in USD per share) </link:label>
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<link:label id="lab_us-gaap_EarningsPerShareAbstract_BF58DB5E98712CAC5CADBB4FBFE20EC4_label_en-US" xlink:label="lab_us-gaap_EarningsPerShareAbstract_BF58DB5E98712CAC5CADBB4FBFE20EC4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Earnings Per Share [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_EarningsPerShareAbstract" xlink:label="loc_us-gaap_EarningsPerShareAbstract_BF58DB5E98712CAC5CADBB4FBFE20EC4" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_FF11FE6DE06B2A68CDC9BB4FBFE2364D_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_FF11FE6DE06B2A68CDC9BB4FBFE2364D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of basic and diluted earnings per share </link:label>
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<link:label id="lab_us-gaap_FairValueDisclosuresAbstract_AAE56A270FD638A3FD67BBA85F9F7060_label_en-US" xlink:label="lab_us-gaap_FairValueDisclosuresAbstract_AAE56A270FD638A3FD67BBA85F9F7060" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Fair Value Disclosures [Abstract] </link:label>
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<link:label id="lab_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_CE420993B56FF7E4F117BBA85F9F1A24_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_CE420993B56FF7E4F117BBA85F9F1A24" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Fair Value Measurements, Recurring and Nonrecurring [Table] </link:label>
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<link:label id="lab_us-gaap_LienCategoryAxis_BCB0C825C7288EC45C39BBA85FA02DCF_terseLabel_en-US" xlink:label="lab_us-gaap_LienCategoryAxis_BCB0C825C7288EC45C39BBA85FA02DCF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Lien Category [Axis] </link:label>
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<link:label id="lab_us-gaap_SeniorLienMember_ECE8F9DA9987D8469DADBBA85FA06910_terseLabel_en-US" xlink:label="lab_us-gaap_SeniorLienMember_ECE8F9DA9987D8469DADBBA85FA06910" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> First lien term loans </link:label>
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<link:label id="lab_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_DAD7F096A75835370B51BBA85FA0CAA2_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_DAD7F096A75835370B51BBA85FA0CAA2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] </link:label>
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<link:label id="lab_ara_FairValueAssetsBetweenLevel1Level2Level3TransfersAmount_6019063AAB13AB9C7BDCBBA85FA179CC_terseLabel_en-US" xlink:label="lab_ara_FairValueAssetsBetweenLevel1Level2Level3TransfersAmount_6019063AAB13AB9C7BDCBBA85FA179CC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Transfers between Levels 1, 2 and 3 </link:label>
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<link:label id="lab_us-gaap_AccountingPoliciesAbstract_C540CAA071293BE70E10CEE4C9B344D2_label_en-US" xlink:label="lab_us-gaap_AccountingPoliciesAbstract_C540CAA071293BE70E10CEE4C9B344D2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accounting Policies [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AccountingPoliciesAbstract" xlink:label="loc_us-gaap_AccountingPoliciesAbstract_C540CAA071293BE70E10CEE4C9B344D2" xlink:type="locator"/>
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<link:label id="lab_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleTable_395438F5CA5E76BCD435CEE4C9B3A130_terseLabel_en-US" xlink:label="lab_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleTable_395438F5CA5E76BCD435CEE4C9B3A130" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> New Accounting Pronouncements or Change in Accounting Principle [Table] </link:label>
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<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_FBC0C39B2B8AC261C56ACEE4C9B475F0" xlink:type="locator"/>
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<link:label id="lab_us-gaap_RelatedPartyDomain_F99F5D6C5134C0A93D89CEE4C9B48244_label_en-US" xlink:label="lab_us-gaap_RelatedPartyDomain_F99F5D6C5134C0A93D89CEE4C9B48244" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Related Party [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RelatedPartyDomain" xlink:label="loc_us-gaap_RelatedPartyDomain_F99F5D6C5134C0A93D89CEE4C9B48244" xlink:type="locator"/>
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<link:label id="lab_us-gaap_LimitedLiabilityCompanyMember_B1361EDB35118E4B0209CEE4C9B449A1_terseLabel_en-US" xlink:label="lab_us-gaap_LimitedLiabilityCompanyMember_B1361EDB35118E4B0209CEE4C9B449A1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> American Renal Holdings Intermediate Company, LLC </link:label>
<link:label id="lab_us-gaap_LimitedLiabilityCompanyMember_B1361EDB35118E4B0209CEE4C9B449A1_label_en-US" xlink:label="lab_us-gaap_LimitedLiabilityCompanyMember_B1361EDB35118E4B0209CEE4C9B449A1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Limited Liability Company [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LimitedLiabilityCompanyMember" xlink:label="loc_us-gaap_LimitedLiabilityCompanyMember_B1361EDB35118E4B0209CEE4C9B449A1" xlink:type="locator"/>
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<link:label id="lab_us-gaap_NewAccountingPronouncementEarlyAdoptionAxis_B8EA9616F4825CA2F987CEE4C9B819DE_terseLabel_en-US" xlink:label="lab_us-gaap_NewAccountingPronouncementEarlyAdoptionAxis_B8EA9616F4825CA2F987CEE4C9B819DE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> New Accounting Pronouncement, Early Adoption [Axis] </link:label>
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<link:label id="lab_us-gaap_Assets_D2DE525E280399460041CEE4C9B887DE_label_en-US" xlink:label="lab_us-gaap_Assets_D2DE525E280399460041CEE4C9B887DE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Assets </link:label>
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<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_Assets_D2DE525E280399460041CEE4C9B887DE" xlink:to="lab_us-gaap_Assets_D2DE525E280399460041CEE4C9B887DE" xlink:type="arc"/>
<link:label id="lab_ara_EquityMethodInvestmentOwnershipParentPercentage_7C3E2536F81ED8C4679FCEE4C9B8ECF7_terseLabel_en-US" xlink:label="lab_ara_EquityMethodInvestmentOwnershipParentPercentage_7C3E2536F81ED8C4679FCEE4C9B8ECF7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Percentage ownership of parent </link:label>
<link:label id="lab_ara_EquityMethodInvestmentOwnershipParentPercentage_7C3E2536F81ED8C4679FCEE4C9B8ECF7_label_en-US" xlink:label="lab_ara_EquityMethodInvestmentOwnershipParentPercentage_7C3E2536F81ED8C4679FCEE4C9B8ECF7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Equity Method Investment Ownership Parent Percentage </link:label>
<link:label id="lab_ara_EquityMethodInvestmentOwnershipParentPercentage_7C3E2536F81ED8C4679FCEE4C9B8ECF7_documentation_en-US" xlink:label="lab_ara_EquityMethodInvestmentOwnershipParentPercentage_7C3E2536F81ED8C4679FCEE4C9B8ECF7" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The percentage of ownership of common stock or equity participation in the investor accounted for under the equity method of accounting. </link:label>
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<link:label id="lab_ara_NumberOfDialysisClinicsOwnedAndOperated_66F9EDD52F20AE32BAA4CEE4C9B8E144_terseLabel_en-US" xlink:label="lab_ara_NumberOfDialysisClinicsOwnedAndOperated_66F9EDD52F20AE32BAA4CEE4C9B8E144" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Number of dialysis clinics owned and operated </link:label>
<link:label id="lab_ara_NumberOfDialysisClinicsOwnedAndOperated_66F9EDD52F20AE32BAA4CEE4C9B8E144_label_en-US" xlink:label="lab_ara_NumberOfDialysisClinicsOwnedAndOperated_66F9EDD52F20AE32BAA4CEE4C9B8E144" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Number of Dialysis Clinics Owned and Operated </link:label>
<link:label id="lab_ara_NumberOfDialysisClinicsOwnedAndOperated_66F9EDD52F20AE32BAA4CEE4C9B8E144_documentation_en-US" xlink:label="lab_ara_NumberOfDialysisClinicsOwnedAndOperated_66F9EDD52F20AE32BAA4CEE4C9B8E144" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Number of dialysis clinics owned and operated by the company. </link:label>
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<link:label id="lab_ara_NumberOfPatients_10526FB5D1F60632EEE0CEE4C9B8AE12_terseLabel_en-US" xlink:label="lab_ara_NumberOfPatients_10526FB5D1F60632EEE0CEE4C9B8AE12" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Number of patients </link:label>
<link:label id="lab_ara_NumberOfPatients_10526FB5D1F60632EEE0CEE4C9B8AE12_label_en-US" xlink:label="lab_ara_NumberOfPatients_10526FB5D1F60632EEE0CEE4C9B8AE12" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Number of Patients </link:label>
<link:label id="lab_ara_NumberOfPatients_10526FB5D1F60632EEE0CEE4C9B8AE12_documentation_en-US" xlink:label="lab_ara_NumberOfPatients_10526FB5D1F60632EEE0CEE4C9B8AE12" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Number of patients treated. </link:label>
<link:loc xlink:href="ara-20170331.xsd#ara_NumberOfPatients" xlink:label="loc_ara_NumberOfPatients_10526FB5D1F60632EEE0CEE4C9B8AE12" xlink:type="locator"/>
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<link:label id="lab_us-gaap_NumberOfStatesInWhichEntityOperates_56C7192F190FF2C7AF48CEE4C9B871E2_terseLabel_en-US" xlink:label="lab_us-gaap_NumberOfStatesInWhichEntityOperates_56C7192F190FF2C7AF48CEE4C9B871E2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Number of states </link:label>
<link:label id="lab_us-gaap_NumberOfStatesInWhichEntityOperates_56C7192F190FF2C7AF48CEE4C9B871E2_label_en-US" xlink:label="lab_us-gaap_NumberOfStatesInWhichEntityOperates_56C7192F190FF2C7AF48CEE4C9B871E2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Number of States in which Entity Operates </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NumberOfStatesInWhichEntityOperates" xlink:label="loc_us-gaap_NumberOfStatesInWhichEntityOperates_56C7192F190FF2C7AF48CEE4C9B871E2" xlink:type="locator"/>
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<link:label id="lab_us-gaap_SegmentReportingDisclosureOfEntitysReportableSegmentsAbstract_0BCC775C06B3435BE989CEE4C9B83A1C_terseLabel_en-US" xlink:label="lab_us-gaap_SegmentReportingDisclosureOfEntitysReportableSegmentsAbstract_0BCC775C06B3435BE989CEE4C9B83A1C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Segment Information </link:label>
<link:label id="lab_us-gaap_SegmentReportingDisclosureOfEntitysReportableSegmentsAbstract_0BCC775C06B3435BE989CEE4C9B83A1C_label_en-US" xlink:label="lab_us-gaap_SegmentReportingDisclosureOfEntitysReportableSegmentsAbstract_0BCC775C06B3435BE989CEE4C9B83A1C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Segment Reporting, Disclosure of Entity's Reportable Segments [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SegmentReportingDisclosureOfEntitysReportableSegmentsAbstract" xlink:label="loc_us-gaap_SegmentReportingDisclosureOfEntitysReportableSegmentsAbstract_0BCC775C06B3435BE989CEE4C9B83A1C" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SegmentReportingDisclosureOfEntitysReportableSegmentsAbstract_0BCC775C06B3435BE989CEE4C9B83A1C" xlink:to="lab_us-gaap_SegmentReportingDisclosureOfEntitysReportableSegmentsAbstract_0BCC775C06B3435BE989CEE4C9B83A1C" xlink:type="arc"/>
<link:label id="lab_us-gaap_NumberOfReportableSegments_AF8C3A4C725A9B985B8ECEE4C9B87CB8_terseLabel_en-US" xlink:label="lab_us-gaap_NumberOfReportableSegments_AF8C3A4C725A9B985B8ECEE4C9B87CB8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Number of reportable segments </link:label>
<link:label id="lab_us-gaap_NumberOfReportableSegments_AF8C3A4C725A9B985B8ECEE4C9B87CB8_label_en-US" xlink:label="lab_us-gaap_NumberOfReportableSegments_AF8C3A4C725A9B985B8ECEE4C9B87CB8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Number of Reportable Segments </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NumberOfReportableSegments" xlink:label="loc_us-gaap_NumberOfReportableSegments_AF8C3A4C725A9B985B8ECEE4C9B87CB8" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NumberOfReportableSegments_AF8C3A4C725A9B985B8ECEE4C9B87CB8" xlink:to="lab_us-gaap_NumberOfReportableSegments_AF8C3A4C725A9B985B8ECEE4C9B87CB8" xlink:type="arc"/>
<link:label id="lab_us-gaap_NewAccountingPronouncementsAndChangesInAccountingPrinciplesAbstract_C1338D045228FB438AFACEE4C9B8970A_terseLabel_en-US" xlink:label="lab_us-gaap_NewAccountingPronouncementsAndChangesInAccountingPrinciplesAbstract_C1338D045228FB438AFACEE4C9B8970A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> New Accounting Pronouncements and Changes in Accounting Principles [Abstract] </link:label>
<link:label id="lab_us-gaap_NewAccountingPronouncementsAndChangesInAccountingPrinciplesAbstract_C1338D045228FB438AFACEE4C9B8970A_label_en-US" xlink:label="lab_us-gaap_NewAccountingPronouncementsAndChangesInAccountingPrinciplesAbstract_C1338D045228FB438AFACEE4C9B8970A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> New Accounting Pronouncements and Changes in Accounting Principles [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NewAccountingPronouncementsAndChangesInAccountingPrinciplesAbstract" xlink:label="loc_us-gaap_NewAccountingPronouncementsAndChangesInAccountingPrinciplesAbstract_C1338D045228FB438AFACEE4C9B8970A" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NewAccountingPronouncementsAndChangesInAccountingPrinciplesAbstract_C1338D045228FB438AFACEE4C9B8970A" xlink:to="lab_us-gaap_NewAccountingPronouncementsAndChangesInAccountingPrinciplesAbstract_C1338D045228FB438AFACEE4C9B8970A" xlink:type="arc"/>
<link:label id="lab_us-gaap_AllocatedShareBasedCompensationExpense_6F3611DE82CEDF57531BCEE4C9B84F85_verboseLabel_en-US" xlink:label="lab_us-gaap_AllocatedShareBasedCompensationExpense_6F3611DE82CEDF57531BCEE4C9B84F85" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Stock compensation expense </link:label>
<link:label id="lab_us-gaap_AllocatedShareBasedCompensationExpense_6F3611DE82CEDF57531BCEE4C9B84F85_label_en-US" xlink:label="lab_us-gaap_AllocatedShareBasedCompensationExpense_6F3611DE82CEDF57531BCEE4C9B84F85" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Allocated Share-based Compensation Expense </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_6F3611DE82CEDF57531BCEE4C9B84F85" xlink:type="locator"/>
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<link:label id="lab_ara_EffectiveIncomeTaxRateReconciliationSharebasedCompensationExcessTaxBenefitTaxShortfallAmount_5A74673C2D68D72BD3DDCF15AE9C46B8_terseLabel_en-US" xlink:label="lab_ara_EffectiveIncomeTaxRateReconciliationSharebasedCompensationExcessTaxBenefitTaxShortfallAmount_5A74673C2D68D72BD3DDCF15AE9C46B8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Excess tax benefit for stock options exercised, net </link:label>
<link:label id="lab_ara_EffectiveIncomeTaxRateReconciliationSharebasedCompensationExcessTaxBenefitTaxShortfallAmount_5A74673C2D68D72BD3DDCF15AE9C46B8_label_en-US" xlink:label="lab_ara_EffectiveIncomeTaxRateReconciliationSharebasedCompensationExcessTaxBenefitTaxShortfallAmount_5A74673C2D68D72BD3DDCF15AE9C46B8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Effective Income Tax Rate Reconciliation, Share-based Compensation, Excess Tax Benefit (Tax Shortfall), Amount </link:label>
<link:label id="lab_ara_EffectiveIncomeTaxRateReconciliationSharebasedCompensationExcessTaxBenefitTaxShortfallAmount_5A74673C2D68D72BD3DDCF15AE9C46B8_documentation_en-US" xlink:label="lab_ara_EffectiveIncomeTaxRateReconciliationSharebasedCompensationExcessTaxBenefitTaxShortfallAmount_5A74673C2D68D72BD3DDCF15AE9C46B8" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Effective Income Tax Rate Reconciliation, Share-based Compensation, Excess Tax Benefit (Tax Shortfall), Amount </link:label>
<link:loc xlink:href="ara-20170331.xsd#ara_EffectiveIncomeTaxRateReconciliationSharebasedCompensationExcessTaxBenefitTaxShortfallAmount" xlink:label="loc_ara_EffectiveIncomeTaxRateReconciliationSharebasedCompensationExcessTaxBenefitTaxShortfallAmount_5A74673C2D68D72BD3DDCF15AE9C46B8" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ScheduleOfCashAndCashEquivalentsTableTextBlock_4C2178D1A43754E99A05CEB5FEAC3A11_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfCashAndCashEquivalentsTableTextBlock_4C2178D1A43754E99A05CEB5FEAC3A11" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of reconciliation of cash </link:label>
<link:label id="lab_us-gaap_ScheduleOfCashAndCashEquivalentsTableTextBlock_4C2178D1A43754E99A05CEB5FEAC3A11_label_en-US" xlink:label="lab_us-gaap_ScheduleOfCashAndCashEquivalentsTableTextBlock_4C2178D1A43754E99A05CEB5FEAC3A11" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Cash and Cash Equivalents [Table Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScheduleOfCashAndCashEquivalentsTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfCashAndCashEquivalentsTableTextBlock_4C2178D1A43754E99A05CEB5FEAC3A11" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ScheduleOfRestrictedCashAndCashEquivalentsTextBlock_A663ECDE53DE7664DE0DCEC112ACB3C0_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfRestrictedCashAndCashEquivalentsTextBlock_A663ECDE53DE7664DE0DCEC112ACB3C0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of reconciliation of restricted cash </link:label>
<link:label id="lab_us-gaap_ScheduleOfRestrictedCashAndCashEquivalentsTextBlock_A663ECDE53DE7664DE0DCEC112ACB3C0_label_en-US" xlink:label="lab_us-gaap_ScheduleOfRestrictedCashAndCashEquivalentsTextBlock_A663ECDE53DE7664DE0DCEC112ACB3C0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Restricted Cash and Cash Equivalents [Table Text Block] </link:label>
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<link:label id="lab_us-gaap_TemporaryEquityDisclosureAbstract_AF2105A92D31A67DE9C187347ACFC7D2_label_en-US" xlink:label="lab_us-gaap_TemporaryEquityDisclosureAbstract_AF2105A92D31A67DE9C187347ACFC7D2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Temporary Equity Disclosure [Abstract] </link:label>
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<link:label id="lab_us-gaap_RangeMember_DCBB4A1583969BC4E92487347ACF3CDA_terseLabel_en-US" xlink:label="lab_us-gaap_RangeMember_DCBB4A1583969BC4E92487347ACF3CDA" 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_DCBB4A1583969BC4E92487347ACF3CDA_label_en-US" xlink:label="lab_us-gaap_RangeMember_DCBB4A1583969BC4E92487347ACF3CDA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Range [Domain] </link:label>
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<link:label id="lab_us-gaap_MinimumMember_E88528FD6097E0CC5EE687347ACFAB8C_terseLabel_en-US" xlink:label="lab_us-gaap_MinimumMember_E88528FD6097E0CC5EE687347ACFAB8C" 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_E88528FD6097E0CC5EE687347ACFAB8C_label_en-US" xlink:label="lab_us-gaap_MinimumMember_E88528FD6097E0CC5EE687347ACFAB8C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Minimum [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_MinimumMember" xlink:label="loc_us-gaap_MinimumMember_E88528FD6097E0CC5EE687347ACFAB8C" xlink:type="locator"/>
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<link:label id="lab_us-gaap_MaximumMember_D4B606A53E76C4E7127F87347ACF6A2D_terseLabel_en-US" xlink:label="lab_us-gaap_MaximumMember_D4B606A53E76C4E7127F87347ACF6A2D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Maximum </link:label>
<link:label id="lab_us-gaap_MaximumMember_D4B606A53E76C4E7127F87347ACF6A2D_label_en-US" xlink:label="lab_us-gaap_MaximumMember_D4B606A53E76C4E7127F87347ACF6A2D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Maximum [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_MaximumMember" xlink:label="loc_us-gaap_MaximumMember_D4B606A53E76C4E7127F87347ACF6A2D" xlink:type="locator"/>
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<link:label id="lab_us-gaap_TemporaryEquityLineItems_CFA90298996A1ED261A287347ACF3602_terseLabel_en-US" xlink:label="lab_us-gaap_TemporaryEquityLineItems_CFA90298996A1ED261A287347ACF3602" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> NONCONTROLLING INTERESTS SUBJECT TO PUT PROVISIONS </link:label>
<link:label id="lab_us-gaap_TemporaryEquityLineItems_CFA90298996A1ED261A287347ACF3602_label_en-US" xlink:label="lab_us-gaap_TemporaryEquityLineItems_CFA90298996A1ED261A287347ACF3602" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Temporary Equity [Line Items] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_TemporaryEquityLineItems" xlink:label="loc_us-gaap_TemporaryEquityLineItems_CFA90298996A1ED261A287347ACF3602" xlink:type="locator"/>
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<link:label id="lab_us-gaap_FairValueInputsDiscountRate_C22BE1166C896D04A5CA87347ACF71B6_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueInputsDiscountRate_C22BE1166C896D04A5CA87347ACF71B6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Weighted Average Cost of Capital </link:label>
<link:label id="lab_us-gaap_FairValueInputsDiscountRate_C22BE1166C896D04A5CA87347ACF71B6_label_en-US" xlink:label="lab_us-gaap_FairValueInputsDiscountRate_C22BE1166C896D04A5CA87347ACF71B6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Fair Value Inputs, Discount Rate </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FairValueInputsDiscountRate" xlink:label="loc_us-gaap_FairValueInputsDiscountRate_C22BE1166C896D04A5CA87347ACF71B6" xlink:type="locator"/>
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<link:label id="lab_us-gaap_CashAndCashEquivalentsDisclosureTextBlock_D28E990F69C2C7C86C9BC6C6EB7A6DA5_terseLabel_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsDisclosureTextBlock_D28E990F69C2C7C86C9BC6C6EB7A6DA5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> CASH </link:label>
<link:label id="lab_us-gaap_CashAndCashEquivalentsDisclosureTextBlock_D28E990F69C2C7C86C9BC6C6EB7A6DA5_label_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsDisclosureTextBlock_D28E990F69C2C7C86C9BC6C6EB7A6DA5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cash and Cash Equivalents Disclosure [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CashAndCashEquivalentsDisclosureTextBlock" xlink:label="loc_us-gaap_CashAndCashEquivalentsDisclosureTextBlock_D28E990F69C2C7C86C9BC6C6EB7A6DA5" xlink:type="locator"/>
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<link:label id="lab_us-gaap_VariableInterestEntityNonconsolidatedCarryingAmountAssetsAndLiabilitiesAbstract_3758B4856401F18C349187347A458590_label_en-US" xlink:label="lab_us-gaap_VariableInterestEntityNonconsolidatedCarryingAmountAssetsAndLiabilitiesAbstract_3758B4856401F18C349187347A458590" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Variable Interest Entity, Nonconsolidated, Carrying Amount, Assets and Liabilities, Net [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_VariableInterestEntityNonconsolidatedCarryingAmountAssetsAndLiabilitiesAbstract" xlink:label="loc_us-gaap_VariableInterestEntityNonconsolidatedCarryingAmountAssetsAndLiabilitiesAbstract_3758B4856401F18C349187347A458590" xlink:type="locator"/>
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<link:label id="lab_us-gaap_VariableInterestEntityConsolidatedCarryingAmountAssets_6764563F633D05A7357087347A45F49E_terseLabel_en-US" xlink:label="lab_us-gaap_VariableInterestEntityConsolidatedCarryingAmountAssets_6764563F633D05A7357087347A45F49E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Total assets of VIEs </link:label>
<link:label id="lab_us-gaap_VariableInterestEntityConsolidatedCarryingAmountAssets_6764563F633D05A7357087347A45F49E_label_en-US" xlink:label="lab_us-gaap_VariableInterestEntityConsolidatedCarryingAmountAssets_6764563F633D05A7357087347A45F49E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Variable Interest Entity, Consolidated, Carrying Amount, Assets </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_VariableInterestEntityConsolidatedCarryingAmountAssets" xlink:label="loc_us-gaap_VariableInterestEntityConsolidatedCarryingAmountAssets_6764563F633D05A7357087347A45F49E" xlink:type="locator"/>
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<link:label id="lab_us-gaap_VariableInterestEntityConsolidatedCarryingAmountLiabilities_7129E98CDCF0B0C9C47987347A457DBB_terseLabel_en-US" xlink:label="lab_us-gaap_VariableInterestEntityConsolidatedCarryingAmountLiabilities_7129E98CDCF0B0C9C47987347A457DBB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Total liabilities of VIEs </link:label>
<link:label id="lab_us-gaap_VariableInterestEntityConsolidatedCarryingAmountLiabilities_7129E98CDCF0B0C9C47987347A457DBB_label_en-US" xlink:label="lab_us-gaap_VariableInterestEntityConsolidatedCarryingAmountLiabilities_7129E98CDCF0B0C9C47987347A457DBB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Variable Interest Entity, Consolidated, Carrying Amount, Liabilities </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_VariableInterestEntityConsolidatedCarryingAmountLiabilities" xlink:label="loc_us-gaap_VariableInterestEntityConsolidatedCarryingAmountLiabilities_7129E98CDCF0B0C9C47987347A457DBB" xlink:type="locator"/>
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<link:label id="lab_us-gaap_StatementOfFinancialPositionAbstract_9B6BCBA65D8E38BAD361BAB14F2739C2_label_en-US" xlink:label="lab_us-gaap_StatementOfFinancialPositionAbstract_9B6BCBA65D8E38BAD361BAB14F2739C2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Statement of Financial Position [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementOfFinancialPositionAbstract" xlink:label="loc_us-gaap_StatementOfFinancialPositionAbstract_9B6BCBA65D8E38BAD361BAB14F2739C2" xlink:type="locator"/>
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<link:label id="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_BEE694558CD73B7E37D4BAB14F27ADFD_terseLabel_en-US" xlink:label="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_BEE694558CD73B7E37D4BAB14F27ADFD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accounts receivables, allowance for doubtful accounts </link:label>
<link:label id="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_BEE694558CD73B7E37D4BAB14F27ADFD_label_en-US" xlink:label="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_BEE694558CD73B7E37D4BAB14F27ADFD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Allowance for Doubtful Accounts Receivable, Current </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_BEE694558CD73B7E37D4BAB14F27ADFD" xlink:type="locator"/>
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<link:label id="lab_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_9986FF7A02E80C6006C9BAB14F27DCFA_terseLabel_en-US" xlink:label="lab_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_9986FF7A02E80C6006C9BAB14F27DCFA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accumulated depreciation on property and equipment </link:label>
<link:label id="lab_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_9986FF7A02E80C6006C9BAB14F27DCFA_label_en-US" xlink:label="lab_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_9986FF7A02E80C6006C9BAB14F27DCFA" 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/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_9986FF7A02E80C6006C9BAB14F27DCFA" xlink:type="locator"/>
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<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_2E311DA038B5CDF97ADDBAB14F27A4A4_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_2E311DA038B5CDF97ADDBAB14F27A4A4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accumulated deprecation on intangible assets </link:label>
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<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_2E311DA038B5CDF97ADDBAB14F27A4A4" xlink:type="locator"/>
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<link:label id="lab_us-gaap_PreferredStockParOrStatedValuePerShare_038BFBA27553779C847EBAB14F27969C_terseLabel_en-US" xlink:label="lab_us-gaap_PreferredStockParOrStatedValuePerShare_038BFBA27553779C847EBAB14F27969C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Preferred stock, par value (in USD per share) </link:label>
<link:label id="lab_us-gaap_PreferredStockParOrStatedValuePerShare_038BFBA27553779C847EBAB14F27969C_label_en-US" xlink:label="lab_us-gaap_PreferredStockParOrStatedValuePerShare_038BFBA27553779C847EBAB14F27969C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Preferred Stock, Par or Stated Value Per Share </link:label>
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<link:label id="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest_915C45BBC0492BB321ACCEB5FF082CD9_negatedLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest_915C45BBC0492BB321ACCEB5FF082CD9" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Less: Comprehensive income attributable to noncontrolling interests </link:label>
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<link:label id="lab_us-gaap_ComprehensiveIncomeNetOfTax_58E60D3A6B26C68BE6F9CEB5FF088BF8_totalLabel_en-US" xlink:label="lab_us-gaap_ComprehensiveIncomeNetOfTax_58E60D3A6B26C68BE6F9CEB5FF088BF8" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total comprehensive (loss) income attributable to American Renal Associates Holdings, Inc. </link:label>
<link:label id="lab_us-gaap_ComprehensiveIncomeNetOfTax_58E60D3A6B26C68BE6F9CEB5FF088BF8_label_en-US" xlink:label="lab_us-gaap_ComprehensiveIncomeNetOfTax_58E60D3A6B26C68BE6F9CEB5FF088BF8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Comprehensive Income (Loss), Net of Tax, Attributable to Parent </link:label>
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<link:label id="lab_us-gaap_FairValueByBalanceSheetGroupingTextBlock_B29C56A42D9FBA31CCF687347A574E6E_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueByBalanceSheetGroupingTextBlock_B29C56A42D9FBA31CCF687347A574E6E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of the fair value of financial instruments </link:label>
<link:label id="lab_us-gaap_FairValueByBalanceSheetGroupingTextBlock_B29C56A42D9FBA31CCF687347A574E6E_label_en-US" xlink:label="lab_us-gaap_FairValueByBalanceSheetGroupingTextBlock_B29C56A42D9FBA31CCF687347A574E6E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Fair Value, by Balance Sheet Grouping [Table Text Block] </link:label>
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<link:label id="lab_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock_D01697208B0ABAAF180487347A579BB1_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock_D01697208B0ABAAF180487347A579BB1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Fair value rollforward for the Tax receivable agreement liability, which is classified as a Level 3 financial instrument </link:label>
<link:label id="lab_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock_D01697208B0ABAAF180487347A579BB1_label_en-US" xlink:label="lab_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock_D01697208B0ABAAF180487347A579BB1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock" xlink:label="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock_D01697208B0ABAAF180487347A579BB1" xlink:type="locator"/>
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<link:label id="lab_ara_TemporaryEquityTextblock_A608F66121C94DEFEB73DA2EBA7DFEC2_verboseLabel_en-US" xlink:label="lab_ara_TemporaryEquityTextblock_A608F66121C94DEFEB73DA2EBA7DFEC2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> NONCONTROLLING INTERESTS SUBJECT TO PUT PROVISIONS </link:label>
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<link:loc xlink:href="ara-20170331.xsd#ara_TemporaryEquityTextblock" xlink:label="loc_ara_TemporaryEquityTextblock_A608F66121C94DEFEB73DA2EBA7DFEC2" xlink:type="locator"/>
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<link:label id="lab_us-gaap_DebtDisclosureAbstract_9709E820150214430689DA2EBA331CBD_label_en-US" xlink:label="lab_us-gaap_DebtDisclosureAbstract_9709E820150214430689DA2EBA331CBD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Disclosure [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtDisclosureAbstract" xlink:label="loc_us-gaap_DebtDisclosureAbstract_9709E820150214430689DA2EBA331CBD" xlink:type="locator"/>
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<link:label id="lab_us-gaap_LongTermDebtByMaturityAbstract_0898E3CB32A946966292DA2EBA335C71_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtByMaturityAbstract_0898E3CB32A946966292DA2EBA335C71" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Scheduled maturities of long-term debt </link:label>
<link:label id="lab_us-gaap_LongTermDebtByMaturityAbstract_0898E3CB32A946966292DA2EBA335C71_label_en-US" xlink:label="lab_us-gaap_LongTermDebtByMaturityAbstract_0898E3CB32A946966292DA2EBA335C71" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Debt, Fiscal Year Maturity [Abstract] </link:label>
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<link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear_CC3E66C91B26EA918B46DA2EBA336298_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear_CC3E66C91B26EA918B46DA2EBA336298" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2017 (remainder) </link:label>
<link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear_CC3E66C91B26EA918B46DA2EBA336298_label_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear_CC3E66C91B26EA918B46DA2EBA336298" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Debt, Maturities, Repayments of Principal, Remainder of Fiscal Year </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear_CC3E66C91B26EA918B46DA2EBA336298" xlink:type="locator"/>
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<link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_8CAE933AF4946B28863ADA2EBA33A648_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_8CAE933AF4946B28863ADA2EBA33A648" 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_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_8CAE933AF4946B28863ADA2EBA33A648_label_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_8CAE933AF4946B28863ADA2EBA33A648" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Debt, Maturities, Repayments of Principal in Year Two </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_8CAE933AF4946B28863ADA2EBA33A648" xlink:type="locator"/>
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<link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_0CF3D8336B5BBDADF5B6DA2EBA33FA90_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_0CF3D8336B5BBDADF5B6DA2EBA33FA90" 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_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_0CF3D8336B5BBDADF5B6DA2EBA33FA90_label_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_0CF3D8336B5BBDADF5B6DA2EBA33FA90" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Debt, Maturities, Repayments of Principal in Year Three </link:label>
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<link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_F67110DFDB5BD971C9FEDA2EBA33E88D_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_F67110DFDB5BD971C9FEDA2EBA33E88D" 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_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_F67110DFDB5BD971C9FEDA2EBA33E88D_label_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_F67110DFDB5BD971C9FEDA2EBA33E88D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Debt, Maturities, Repayments of Principal in Year Four </link:label>
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<link:label id="lab_us-gaap_OperatingExpenseMember_C50AD4A810F17FA26C0EBFA31C831614_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingExpenseMember_C50AD4A810F17FA26C0EBFA31C831614" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Patient care costs </link:label>
<link:label id="lab_us-gaap_OperatingExpenseMember_C50AD4A810F17FA26C0EBFA31C831614_label_en-US" xlink:label="lab_us-gaap_OperatingExpenseMember_C50AD4A810F17FA26C0EBFA31C831614" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Expense [Member] </link:label>
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<link:label id="lab_us-gaap_GeneralAndAdministrativeExpenseMember_7DA41564B0BCF01C1A83BFA31C927B9A_terseLabel_en-US" xlink:label="lab_us-gaap_GeneralAndAdministrativeExpenseMember_7DA41564B0BCF01C1A83BFA31C927B9A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> General and administrative </link:label>
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<link:label id="lab_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_4DE3327AACF97EC16A6ABFA31C617973_terseLabel_en-US" xlink:label="lab_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_4DE3327AACF97EC16A6ABFA31C617973" 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, Compensation Cost [Line Items] </link:label>
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<link:label id="lab_us-gaap_ScheduleOfDebtInstrumentsTextBlock_C0D7B1CDF5721074F60987347B4EFF6C_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfDebtInstrumentsTextBlock_C0D7B1CDF5721074F60987347B4EFF6C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of long-term debt </link:label>
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<link:label id="lab_ara_FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisLiabilityOptionsExercisedandDividendEquivalentPaymentVesting_813D1078C4316BBB86A3CEB5FE963F4E_documentation_en-US" xlink:label="lab_ara_FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisLiabilityOptionsExercisedandDividendEquivalentPaymentVesting_813D1078C4316BBB86A3CEB5FE963F4E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Options Exercised and Dividend Equivalent Payment Vesting </link:label>
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<link:label id="lab_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInEarningsAbstract_3E59994A9BA70571EA89CEB5FE96DD13_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInEarningsAbstract_3E59994A9BA70571EA89CEB5FE96DD13" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Total realized/unrealized gains: </link:label>
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<link:label id="lab_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings_34570E172E163A552276CEB5FE96F0F8_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings_34570E172E163A552276CEB5FE96F0F8" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Included in earnings and reported as Income tax receivable agreement income </link:label>
<link:label id="lab_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings_34570E172E163A552276CEB5FE96F0F8_label_en-US" xlink:label="lab_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings_34570E172E163A552276CEB5FE96F0F8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings_34570E172E163A552276CEB5FE96F0F8" xlink:type="locator"/>
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<link:label id="lab_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue_F92F4655245FC2EBB3D9CEB5FE9624DB_periodEndLabel_en-US" xlink:label="lab_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue_F92F4655245FC2EBB3D9CEB5FE9624DB" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US"> March 31, 2017 </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue_F92F4655245FC2EBB3D9CEB5FE9624DB" xlink:type="locator"/>
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<link:label id="lab_us-gaap_NoncontrollingInterestAbstract_A1A25059D1D2F98116D7D0304B32C796_label_en-US" xlink:label="lab_us-gaap_NoncontrollingInterestAbstract_A1A25059D1D2F98116D7D0304B32C796" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Noncontrolling Interest [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NoncontrollingInterestAbstract" xlink:label="loc_us-gaap_NoncontrollingInterestAbstract_A1A25059D1D2F98116D7D0304B32C796" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestEffectsOfChangesNetTextBlock_E4893AA2454C0C9D7F8BD0304B36DB01_terseLabel_en-US" xlink:label="lab_us-gaap_ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestEffectsOfChangesNetTextBlock_E4893AA2454C0C9D7F8BD0304B36DB01" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of effect of changes in Company's ownership interest on Company's equity </link:label>
<link:label id="lab_us-gaap_ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestEffectsOfChangesNetTextBlock_E4893AA2454C0C9D7F8BD0304B36DB01_label_en-US" xlink:label="lab_us-gaap_ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestEffectsOfChangesNetTextBlock_E4893AA2454C0C9D7F8BD0304B36DB01" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Table Text Block] </link:label>
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<link:label id="lab_us-gaap_IncomeStatementAbstract_BDECD3C5216B99EA1996CEB5FF0FFE05_label_en-US" xlink:label="lab_us-gaap_IncomeStatementAbstract_BDECD3C5216B99EA1996CEB5FF0FFE05" 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/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeStatementAbstract" xlink:label="loc_us-gaap_IncomeStatementAbstract_BDECD3C5216B99EA1996CEB5FF0FFE05" xlink:type="locator"/>
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<link:label id="lab_us-gaap_HealthCareOrganizationPatientServiceRevenue_062FEFE5CF01CDDE0CEDCEB5FF0F2399_terseLabel_en-US" xlink:label="lab_us-gaap_HealthCareOrganizationPatientServiceRevenue_062FEFE5CF01CDDE0CEDCEB5FF0F2399" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Patient service operating revenues </link:label>
<link:label id="lab_us-gaap_HealthCareOrganizationPatientServiceRevenue_062FEFE5CF01CDDE0CEDCEB5FF0F2399_label_en-US" xlink:label="lab_us-gaap_HealthCareOrganizationPatientServiceRevenue_062FEFE5CF01CDDE0CEDCEB5FF0F2399" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Health Care Organization, Patient Service Revenue </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_HealthCareOrganizationPatientServiceRevenue" xlink:label="loc_us-gaap_HealthCareOrganizationPatientServiceRevenue_062FEFE5CF01CDDE0CEDCEB5FF0F2399" xlink:type="locator"/>
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<link:label id="lab_us-gaap_HealthCareOrganizationPatientServiceRevenueProvisionforBadDebts_8BC142E698CD2A49F916CEB5FF0F5ECC_negatedLabel_en-US" xlink:label="lab_us-gaap_HealthCareOrganizationPatientServiceRevenueProvisionforBadDebts_8BC142E698CD2A49F916CEB5FF0F5ECC" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Provision for uncollectible accounts </link:label>
<link:label id="lab_us-gaap_HealthCareOrganizationPatientServiceRevenueProvisionforBadDebts_8BC142E698CD2A49F916CEB5FF0F5ECC_label_en-US" xlink:label="lab_us-gaap_HealthCareOrganizationPatientServiceRevenueProvisionforBadDebts_8BC142E698CD2A49F916CEB5FF0F5ECC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Health Care Organization, Patient Service Revenue Provision for Bad Debts </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_HealthCareOrganizationPatientServiceRevenueProvisionforBadDebts" xlink:label="loc_us-gaap_HealthCareOrganizationPatientServiceRevenueProvisionforBadDebts_8BC142E698CD2A49F916CEB5FF0F5ECC" xlink:type="locator"/>
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<link:label id="lab_us-gaap_HealthCareOrganizationPatientServiceRevenueLessProvisionForBadDebts_4DD734919DA6307288A0CEB5FF0F6D73_totalLabel_en-US" xlink:label="lab_us-gaap_HealthCareOrganizationPatientServiceRevenueLessProvisionForBadDebts_4DD734919DA6307288A0CEB5FF0F6D73" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Net patient service operating revenues </link:label>
<link:label id="lab_us-gaap_HealthCareOrganizationPatientServiceRevenueLessProvisionForBadDebts_4DD734919DA6307288A0CEB5FF0F6D73_label_en-US" xlink:label="lab_us-gaap_HealthCareOrganizationPatientServiceRevenueLessProvisionForBadDebts_4DD734919DA6307288A0CEB5FF0F6D73" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Health Care Organization, Patient Service Revenue Less Provision for Bad Debts </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_HealthCareOrganizationPatientServiceRevenueLessProvisionForBadDebts" xlink:label="loc_us-gaap_HealthCareOrganizationPatientServiceRevenueLessProvisionForBadDebts_4DD734919DA6307288A0CEB5FF0F6D73" xlink:type="locator"/>
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<link:label id="lab_us-gaap_OperatingExpensesAbstract_F5ACCC990675DE36C242CEB5FF0F98C9_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingExpensesAbstract_F5ACCC990675DE36C242CEB5FF0F98C9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Operating expenses: </link:label>
<link:label id="lab_us-gaap_OperatingExpensesAbstract_F5ACCC990675DE36C242CEB5FF0F98C9_label_en-US" xlink:label="lab_us-gaap_OperatingExpensesAbstract_F5ACCC990675DE36C242CEB5FF0F98C9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Expenses [Abstract] </link:label>
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<link:label id="lab_ara_PatientCareCosts_BBC9D4E4926778D888A6CEB5FF0F6B73_terseLabel_en-US" xlink:label="lab_ara_PatientCareCosts_BBC9D4E4926778D888A6CEB5FF0F6B73" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Patient care costs </link:label>
<link:label id="lab_ara_PatientCareCosts_BBC9D4E4926778D888A6CEB5FF0F6B73_label_en-US" xlink:label="lab_ara_PatientCareCosts_BBC9D4E4926778D888A6CEB5FF0F6B73" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Patient Care Costs </link:label>
<link:label id="lab_ara_PatientCareCosts_BBC9D4E4926778D888A6CEB5FF0F6B73_documentation_en-US" xlink:label="lab_ara_PatientCareCosts_BBC9D4E4926778D888A6CEB5FF0F6B73" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Patient care costs are costs directly associated with operating and supporting dialysis centers, medical clinics and ancillary operations and consist principally of labor, pharmaceuticals, medical supplies and facility operating costs. </link:label>
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<link:label id="lab_us-gaap_GeneralAndAdministrativeExpense_3FAD3AEBDA2DF662A9F0CEB5FF0FAAB1_terseLabel_en-US" xlink:label="lab_us-gaap_GeneralAndAdministrativeExpense_3FAD3AEBDA2DF662A9F0CEB5FF0FAAB1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> General and administrative </link:label>
<link:label id="lab_us-gaap_GeneralAndAdministrativeExpense_3FAD3AEBDA2DF662A9F0CEB5FF0FAAB1_label_en-US" xlink:label="lab_us-gaap_GeneralAndAdministrativeExpense_3FAD3AEBDA2DF662A9F0CEB5FF0FAAB1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> General and Administrative Expense </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_GeneralAndAdministrativeExpense" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpense_3FAD3AEBDA2DF662A9F0CEB5FF0FAAB1" xlink:type="locator"/>
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<link:label id="lab_ara_TransactionCosts_E6B642387DFEFF3F58A1CEB5FF0FBB3D_terseLabel_en-US" xlink:label="lab_ara_TransactionCosts_E6B642387DFEFF3F58A1CEB5FF0FBB3D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Transaction-related costs (Note 1) </link:label>
<link:loc xlink:href="ara-20170331.xsd#ara_TransactionCosts" xlink:label="loc_ara_TransactionCosts_E6B642387DFEFF3F58A1CEB5FF0FBB3D" xlink:type="locator"/>
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<link:label id="lab_us-gaap_OperatingIncomeLoss_6B6D080B6C12AB2CF3D4CEB5FF10758D_label_en-US" xlink:label="lab_us-gaap_OperatingIncomeLoss_6B6D080B6C12AB2CF3D4CEB5FF10758D" 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_4D8DA752F7802CD35FC3CEB5FF103C1B_negatedLabel_en-US" xlink:label="lab_us-gaap_InterestExpense_4D8DA752F7802CD35FC3CEB5FF103C1B" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Interest expense, net </link:label>
<link:label id="lab_us-gaap_InterestExpense_4D8DA752F7802CD35FC3CEB5FF103C1B_label_en-US" xlink:label="lab_us-gaap_InterestExpense_4D8DA752F7802CD35FC3CEB5FF103C1B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Interest Expense </link:label>
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<link:label id="lab_ara_IncomeTaxReceivableAgreementIncome_77D439BE9A8EE1A728A3CEB5FF10D9B9_terseLabel_en-US" xlink:label="lab_ara_IncomeTaxReceivableAgreementIncome_77D439BE9A8EE1A728A3CEB5FF10D9B9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Income tax receivable agreement income </link:label>
<link:label id="lab_ara_IncomeTaxReceivableAgreementIncome_77D439BE9A8EE1A728A3CEB5FF10D9B9_label_en-US" xlink:label="lab_ara_IncomeTaxReceivableAgreementIncome_77D439BE9A8EE1A728A3CEB5FF10D9B9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income Tax Receivable Agreement Income </link:label>
<link:label id="lab_ara_IncomeTaxReceivableAgreementIncome_77D439BE9A8EE1A728A3CEB5FF10D9B9_documentation_en-US" xlink:label="lab_ara_IncomeTaxReceivableAgreementIncome_77D439BE9A8EE1A728A3CEB5FF10D9B9" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The amount of income received through, income tax receivable agreement, during the period. </link:label>
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<link:label id="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_DC219D3B00933D7D8829CEB5FF10FA2B_totalLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_DC219D3B00933D7D8829CEB5FF10FA2B" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Income before income taxes </link:label>
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<link:label id="lab_us-gaap_IncomeTaxExpenseBenefit_1AA56FFA247FE9475306CEB5FF10FDC1_label_en-US" xlink:label="lab_us-gaap_IncomeTaxExpenseBenefit_1AA56FFA247FE9475306CEB5FF10FDC1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income Tax Expense (Benefit) </link:label>
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<link:label id="lab_us-gaap_ProfitLoss_D782AC35E6788C79B01CCEB5FF1000E7_totalLabel_en-US" xlink:label="lab_us-gaap_ProfitLoss_D782AC35E6788C79B01CCEB5FF1000E7" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Net income </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_us-gaap_ProfitLoss_D782AC35E6788C79B01CCEB5FF1000E7" xlink:type="locator"/>
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<link:label id="lab_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_8FF02AFAA6B32DCE63E8CEB5FF10A928_negatedLabel_en-US" xlink:label="lab_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_8FF02AFAA6B32DCE63E8CEB5FF10A928" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Less: Net income attributable to noncontrolling interests </link:label>
<link:label id="lab_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_8FF02AFAA6B32DCE63E8CEB5FF10A928_label_en-US" xlink:label="lab_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_8FF02AFAA6B32DCE63E8CEB5FF10A928" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net Income (Loss) Attributable to Noncontrolling Interest </link:label>
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<link:label id="lab_us-gaap_NetIncomeLoss_D45F159B2254C8A0CF9CCEB5FF10D43F_totalLabel_en-US" xlink:label="lab_us-gaap_NetIncomeLoss_D45F159B2254C8A0CF9CCEB5FF10D43F" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Net (loss) income attributable to American Renal Associates Holdings, Inc. </link:label>
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<link:label id="lab_us-gaap_EarningsPerShareAbstract_567B30F84460160C31FDCEB5FF10A82C_terseLabel_en-US" xlink:label="lab_us-gaap_EarningsPerShareAbstract_567B30F84460160C31FDCEB5FF10A82C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> (Loss) earnings per share (Note 12): </link:label>
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<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_4517DAB6745457F63BDECEB5FF119D8C" xlink:type="locator"/>
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<link:label id="lab_us-gaap_VestingAxis_282C3DD267B0CE39604DBFADD22908CD_terseLabel_en-US" xlink:label="lab_us-gaap_VestingAxis_282C3DD267B0CE39604DBFADD22908CD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Vesting [Axis] </link:label>
<link:label id="lab_us-gaap_VestingAxis_282C3DD267B0CE39604DBFADD22908CD_label_en-US" xlink:label="lab_us-gaap_VestingAxis_282C3DD267B0CE39604DBFADD22908CD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Vesting [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_VestingAxis" xlink:label="loc_us-gaap_VestingAxis_282C3DD267B0CE39604DBFADD22908CD" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_VestingAxis_282C3DD267B0CE39604DBFADD22908CD" xlink:to="lab_us-gaap_VestingAxis_282C3DD267B0CE39604DBFADD22908CD" xlink:type="arc"/>
<link:label id="lab_us-gaap_VestingDomain_F14BDE082209F422E209BFADD2296998_terseLabel_en-US" xlink:label="lab_us-gaap_VestingDomain_F14BDE082209F422E209BFADD2296998" 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_F14BDE082209F422E209BFADD2296998_label_en-US" xlink:label="lab_us-gaap_VestingDomain_F14BDE082209F422E209BFADD2296998" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Vesting [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_VestingDomain" xlink:label="loc_us-gaap_VestingDomain_F14BDE082209F422E209BFADD2296998" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_VestingDomain_F14BDE082209F422E209BFADD2296998" xlink:to="lab_us-gaap_VestingDomain_F14BDE082209F422E209BFADD2296998" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShareBasedCompensationAwardTrancheOneMember_F96657A70771FF4ACB01BFADD2C25EA9_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationAwardTrancheOneMember_F96657A70771FF4ACB01BFADD2C25EA9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Vesting Period, 3 years </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationAwardTrancheOneMember_F96657A70771FF4ACB01BFADD2C25EA9_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationAwardTrancheOneMember_F96657A70771FF4ACB01BFADD2C25EA9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Award, Tranche One [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationAwardTrancheOneMember" xlink:label="loc_us-gaap_ShareBasedCompensationAwardTrancheOneMember_F96657A70771FF4ACB01BFADD2C25EA9" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationAwardTrancheOneMember_F96657A70771FF4ACB01BFADD2C25EA9" xlink:to="lab_us-gaap_ShareBasedCompensationAwardTrancheOneMember_F96657A70771FF4ACB01BFADD2C25EA9" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_CF413E7086C641E2AD6FBFAC98EE32A1_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_CF413E7086C641E2AD6FBFAC98EE32A1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Number of Options </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_CF413E7086C641E2AD6FBFAC98EE32A1_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_CF413E7086C641E2AD6FBFAC98EE32A1" 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, Options, Outstanding [Roll Forward] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_CF413E7086C641E2AD6FBFAC98EE32A1" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_CF413E7086C641E2AD6FBFAC98EE32A1" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_CF413E7086C641E2AD6FBFAC98EE32A1" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_5BB93F51B5EA571F0542BFAC98EE1988_periodStartLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_5BB93F51B5EA571F0542BFAC98EE1988" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US"> Outstanding, beginning of period (in shares) </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_5BB93F51B5EA571F0542BFAC98EE1988" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_5BB93F51B5EA571F0542BFAC98EE1988" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_5BB93F51B5EA571F0542BFAC98EE1988" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_8828EF8DAF8F8C5939D2BFAC98EEABE3_verboseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_8828EF8DAF8F8C5939D2BFAC98EEABE3" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Granted (in shares) </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_8828EF8DAF8F8C5939D2BFAC98EEABE3_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_8828EF8DAF8F8C5939D2BFAC98EEABE3" 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, Options, Grants in Period, Gross </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_8828EF8DAF8F8C5939D2BFAC98EEABE3" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_8828EF8DAF8F8C5939D2BFAC98EEABE3" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_8828EF8DAF8F8C5939D2BFAC98EEABE3" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_6131C9D060999304464DBFAC98EEA0C6_negatedLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_6131C9D060999304464DBFAC98EEA0C6" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Forfeited (in shares) </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_6131C9D060999304464DBFAC98EEA0C6_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_6131C9D060999304464DBFAC98EEA0C6" 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, Options, Forfeitures in Period </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_6131C9D060999304464DBFAC98EEA0C6" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_6131C9D060999304464DBFAC98EEA0C6" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_6131C9D060999304464DBFAC98EEA0C6" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_40FD59323304CF511152BFAC98EE49C1_periodEndLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_40FD59323304CF511152BFAC98EE49C1" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US"> Outstanding, end of period (in shares) </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_40FD59323304CF511152BFAC98EE49C1" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_40FD59323304CF511152BFAC98EE49C1" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_40FD59323304CF511152BFAC98EE49C1" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber_85CA2F44F2947E6346AFBFAC98EEA5AE_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber_85CA2F44F2947E6346AFBFAC98EEA5AE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Options vested and expected to vest, end of period (in shares) </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber_85CA2F44F2947E6346AFBFAC98EEA5AE_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber_85CA2F44F2947E6346AFBFAC98EEA5AE" 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, Options, Vested and Expected to Vest, Outstanding, Number </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber_85CA2F44F2947E6346AFBFAC98EEA5AE" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber_85CA2F44F2947E6346AFBFAC98EEA5AE" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber_85CA2F44F2947E6346AFBFAC98EEA5AE" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber_CDBD9574BDA7DF8F9A63BFAC98EEA15E_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber_CDBD9574BDA7DF8F9A63BFAC98EEA15E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Options exercisable, end of period (in shares) </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber_CDBD9574BDA7DF8F9A63BFAC98EEA15E_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber_CDBD9574BDA7DF8F9A63BFAC98EEA15E" 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, Options, Vested and Expected to Vest, Exercisable, Number </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber_CDBD9574BDA7DF8F9A63BFAC98EEA15E" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber_CDBD9574BDA7DF8F9A63BFAC98EEA15E" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber_CDBD9574BDA7DF8F9A63BFAC98EEA15E" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_809E856B29CCF50016C6BFACBD35D86A_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_809E856B29CCF50016C6BFACBD35D86A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Weighted-Average Exercise Price </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_809E856B29CCF50016C6BFACBD35D86A_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_809E856B29CCF50016C6BFACBD35D86A" 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, Options, Outstanding, Weighted Average Exercise Price [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_809E856B29CCF50016C6BFACBD35D86A" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_809E856B29CCF50016C6BFACBD35D86A" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_809E856B29CCF50016C6BFACBD35D86A" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_646A10CA0C69426BAED7BFACBD37F07E_periodStartLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_646A10CA0C69426BAED7BFACBD37F07E" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US"> Outstanding, weighted-average exercise price, beginning period (in USD per share) </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_646A10CA0C69426BAED7BFACBD37F07E_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_646A10CA0C69426BAED7BFACBD37F07E" 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, Options, Outstanding, Weighted Average Exercise Price </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_646A10CA0C69426BAED7BFACBD37F07E" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_646A10CA0C69426BAED7BFACBD37F07E" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_646A10CA0C69426BAED7BFACBD37F07E" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_D597732FC9280EF647C8BFACBD37F294_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_D597732FC9280EF647C8BFACBD37F294" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Granted, weighted average exercise price (in USD per share) </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_D597732FC9280EF647C8BFACBD37F294_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_D597732FC9280EF647C8BFACBD37F294" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_D597732FC9280EF647C8BFACBD37F294" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_D597732FC9280EF647C8BFACBD37F294" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_D597732FC9280EF647C8BFACBD37F294" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_8845385DD07554F1A33BBFACBD378124_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_8845385DD07554F1A33BBFACBD378124" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Forfeited, weighted average exercise price (in USD per share) </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_8845385DD07554F1A33BBFACBD378124_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_8845385DD07554F1A33BBFACBD378124" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_8845385DD07554F1A33BBFACBD378124" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_8845385DD07554F1A33BBFACBD378124" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_8845385DD07554F1A33BBFACBD378124" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_FE9C5AAA1867EF696005BFACBD374A5A_periodEndLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_FE9C5AAA1867EF696005BFACBD374A5A" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US"> Outstanding, weighted-average exercise price, end of period (in USD per share) </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_FE9C5AAA1867EF696005BFACBD374A5A" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_FE9C5AAA1867EF696005BFACBD374A5A" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_FE9C5AAA1867EF696005BFACBD374A5A" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice_BD798B0FFB20FEC12344BFACBD370A2C_periodEndLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice_BD798B0FFB20FEC12344BFACBD370A2C" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US"> Options vested and expected to vest, weighted-average exercise price, end of period (in USD per share) </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice_BD798B0FFB20FEC12344BFACBD370A2C_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice_BD798B0FFB20FEC12344BFACBD370A2C" 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, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice_BD798B0FFB20FEC12344BFACBD370A2C" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice_BD798B0FFB20FEC12344BFACBD370A2C" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice_BD798B0FFB20FEC12344BFACBD370A2C" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice_CF306E7C5D0EB0325502BFACBD374166_periodEndLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice_CF306E7C5D0EB0325502BFACBD374166" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US"> Options exercisable, weighted-average exercise price (in USD per share) </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice_CF306E7C5D0EB0325502BFACBD374166_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice_CF306E7C5D0EB0325502BFACBD374166" 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, Options, Vested and Expected to Vest, Exercisable, Weighted Average Exercise Price </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice_CF306E7C5D0EB0325502BFACBD374166" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice_CF306E7C5D0EB0325502BFACBD374166" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice_CF306E7C5D0EB0325502BFACBD374166" xlink:type="arc"/>
<link:label id="lab_us-gaap_AssetsAbstract_D68F4CD210174D110C98CEB5FF1C1CDD_terseLabel_en-US" xlink:label="lab_us-gaap_AssetsAbstract_D68F4CD210174D110C98CEB5FF1C1CDD" 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_AssetsAbstract_D68F4CD210174D110C98CEB5FF1C1CDD_label_en-US" xlink:label="lab_us-gaap_AssetsAbstract_D68F4CD210174D110C98CEB5FF1C1CDD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Assets [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="loc_us-gaap_AssetsAbstract_D68F4CD210174D110C98CEB5FF1C1CDD" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AssetsAbstract_D68F4CD210174D110C98CEB5FF1C1CDD" xlink:to="lab_us-gaap_AssetsAbstract_D68F4CD210174D110C98CEB5FF1C1CDD" xlink:type="arc"/>
<link:label id="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_00923AF3A99406717B7ECEB5FF1C6964_terseLabel_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_00923AF3A99406717B7ECEB5FF1C6964" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Cash </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_00923AF3A99406717B7ECEB5FF1C6964" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_00923AF3A99406717B7ECEB5FF1C6964" xlink:to="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_00923AF3A99406717B7ECEB5FF1C6964" xlink:type="arc"/>
<link:label id="lab_us-gaap_AccountsReceivableNetCurrent_26985D0645ECB5D21945CEB5FF1CB76A_terseLabel_en-US" xlink:label="lab_us-gaap_AccountsReceivableNetCurrent_26985D0645ECB5D21945CEB5FF1CB76A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accounts receivable, less allowance for doubtful accounts of $9,227 and $8,726, respectively </link:label>
<link:label id="lab_us-gaap_AccountsReceivableNetCurrent_26985D0645ECB5D21945CEB5FF1CB76A_label_en-US" xlink:label="lab_us-gaap_AccountsReceivableNetCurrent_26985D0645ECB5D21945CEB5FF1CB76A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accounts Receivable, Net, Current </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AccountsReceivableNetCurrent" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_26985D0645ECB5D21945CEB5FF1CB76A" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccountsReceivableNetCurrent_26985D0645ECB5D21945CEB5FF1CB76A" xlink:to="lab_us-gaap_AccountsReceivableNetCurrent_26985D0645ECB5D21945CEB5FF1CB76A" xlink:type="arc"/>
<link:label id="lab_us-gaap_InventoryNet_521B96108FD6CF4D64FFCEB5FF1CE63B_terseLabel_en-US" xlink:label="lab_us-gaap_InventoryNet_521B96108FD6CF4D64FFCEB5FF1CE63B" 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_InventoryNet_521B96108FD6CF4D64FFCEB5FF1CE63B_label_en-US" xlink:label="lab_us-gaap_InventoryNet_521B96108FD6CF4D64FFCEB5FF1CE63B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Inventory, Net </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_InventoryNet" xlink:label="loc_us-gaap_InventoryNet_521B96108FD6CF4D64FFCEB5FF1CE63B" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InventoryNet_521B96108FD6CF4D64FFCEB5FF1CE63B" xlink:to="lab_us-gaap_InventoryNet_521B96108FD6CF4D64FFCEB5FF1CE63B" xlink:type="arc"/>
<link:label id="lab_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_42607B660A74A431FFC5CEB5FF1CC039_terseLabel_en-US" xlink:label="lab_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_42607B660A74A431FFC5CEB5FF1CC039" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Prepaid expenses and other current assets </link:label>
<link:label id="lab_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_42607B660A74A431FFC5CEB5FF1CC039_label_en-US" xlink:label="lab_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_42607B660A74A431FFC5CEB5FF1CC039" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Prepaid Expense and Other Assets, Current </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent" xlink:label="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_42607B660A74A431FFC5CEB5FF1CC039" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_42607B660A74A431FFC5CEB5FF1CC039" xlink:to="lab_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_42607B660A74A431FFC5CEB5FF1CC039" xlink:type="arc"/>
<link:label id="lab_us-gaap_IncomeTaxesReceivable_80A0DCEA4861E14A9723CEB5FF1C0034_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxesReceivable_80A0DCEA4861E14A9723CEB5FF1C0034" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Income tax receivable </link:label>
<link:label id="lab_us-gaap_IncomeTaxesReceivable_80A0DCEA4861E14A9723CEB5FF1C0034_label_en-US" xlink:label="lab_us-gaap_IncomeTaxesReceivable_80A0DCEA4861E14A9723CEB5FF1C0034" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income Taxes Receivable, Current </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeTaxesReceivable" xlink:label="loc_us-gaap_IncomeTaxesReceivable_80A0DCEA4861E14A9723CEB5FF1C0034" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeTaxesReceivable_80A0DCEA4861E14A9723CEB5FF1C0034" xlink:to="lab_us-gaap_IncomeTaxesReceivable_80A0DCEA4861E14A9723CEB5FF1C0034" xlink:type="arc"/>
<link:label id="lab_us-gaap_AssetsCurrent_DC5393F69BAC2387E4ABCEB5FF1C860E_totalLabel_en-US" xlink:label="lab_us-gaap_AssetsCurrent_DC5393F69BAC2387E4ABCEB5FF1C860E" 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_DC5393F69BAC2387E4ABCEB5FF1C860E_label_en-US" xlink:label="lab_us-gaap_AssetsCurrent_DC5393F69BAC2387E4ABCEB5FF1C860E" 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/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="loc_us-gaap_AssetsCurrent_DC5393F69BAC2387E4ABCEB5FF1C860E" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AssetsCurrent_DC5393F69BAC2387E4ABCEB5FF1C860E" xlink:to="lab_us-gaap_AssetsCurrent_DC5393F69BAC2387E4ABCEB5FF1C860E" xlink:type="arc"/>
<link:label id="lab_us-gaap_PropertyPlantAndEquipmentNet_B4CEAF280C33C7263BD4CEB5FF1C1324_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentNet_B4CEAF280C33C7263BD4CEB5FF1C1324" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Property and equipment, net of accumulated depreciation of $129,540 and $121,242, respectively </link:label>
<link:label id="lab_us-gaap_PropertyPlantAndEquipmentNet_B4CEAF280C33C7263BD4CEB5FF1C1324_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentNet_B4CEAF280C33C7263BD4CEB5FF1C1324" 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/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_B4CEAF280C33C7263BD4CEB5FF1C1324" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentNet_B4CEAF280C33C7263BD4CEB5FF1C1324" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentNet_B4CEAF280C33C7263BD4CEB5FF1C1324" xlink:type="arc"/>
<link:label id="lab_us-gaap_IntangibleAssetsNetExcludingGoodwill_C2F79648C7A4BBC0699BCEB5FF1CA97F_terseLabel_en-US" xlink:label="lab_us-gaap_IntangibleAssetsNetExcludingGoodwill_C2F79648C7A4BBC0699BCEB5FF1CA97F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Intangible assets, net of accumulated depreciation of $23,005 and $23,489, respectively </link:label>
<link:label id="lab_us-gaap_IntangibleAssetsNetExcludingGoodwill_C2F79648C7A4BBC0699BCEB5FF1CA97F_label_en-US" xlink:label="lab_us-gaap_IntangibleAssetsNetExcludingGoodwill_C2F79648C7A4BBC0699BCEB5FF1CA97F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Intangible Assets, Net (Excluding Goodwill) </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_C2F79648C7A4BBC0699BCEB5FF1CA97F" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_C2F79648C7A4BBC0699BCEB5FF1CA97F" xlink:to="lab_us-gaap_IntangibleAssetsNetExcludingGoodwill_C2F79648C7A4BBC0699BCEB5FF1CA97F" xlink:type="arc"/>
<link:label id="lab_us-gaap_OtherAssetsNoncurrent_974583E657E44548A887CEB5FF1CBE50_terseLabel_en-US" xlink:label="lab_us-gaap_OtherAssetsNoncurrent_974583E657E44548A887CEB5FF1CBE50" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other long-term assets </link:label>
<link:label id="lab_us-gaap_OtherAssetsNoncurrent_974583E657E44548A887CEB5FF1CBE50_label_en-US" xlink:label="lab_us-gaap_OtherAssetsNoncurrent_974583E657E44548A887CEB5FF1CBE50" 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/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_974583E657E44548A887CEB5FF1CBE50" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherAssetsNoncurrent_974583E657E44548A887CEB5FF1CBE50" xlink:to="lab_us-gaap_OtherAssetsNoncurrent_974583E657E44548A887CEB5FF1CBE50" xlink:type="arc"/>
<link:label id="lab_us-gaap_Goodwill_318FA1D968B1515523E9CEB5FF1CC9C6_terseLabel_en-US" xlink:label="lab_us-gaap_Goodwill_318FA1D968B1515523E9CEB5FF1CC9C6" 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_318FA1D968B1515523E9CEB5FF1CC9C6_label_en-US" xlink:label="lab_us-gaap_Goodwill_318FA1D968B1515523E9CEB5FF1CC9C6" 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/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_318FA1D968B1515523E9CEB5FF1CC9C6" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_Goodwill_318FA1D968B1515523E9CEB5FF1CC9C6" xlink:to="lab_us-gaap_Goodwill_318FA1D968B1515523E9CEB5FF1CC9C6" xlink:type="arc"/>
<link:label id="lab_us-gaap_Assets_BAD29C083017B82C2101CEB5FF1C8145_totalLabel_en-US" xlink:label="lab_us-gaap_Assets_BAD29C083017B82C2101CEB5FF1C8145" 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/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_Assets" xlink:label="loc_us-gaap_Assets_BAD29C083017B82C2101CEB5FF1C8145" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_Assets_BAD29C083017B82C2101CEB5FF1C8145" xlink:to="lab_us-gaap_Assets_BAD29C083017B82C2101CEB5FF1C8145" xlink:type="arc"/>
<link:label id="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract_7AC8D2727BD56356F824CEB5FF1DA844_terseLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract_7AC8D2727BD56356F824CEB5FF1DA844" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Liabilities and Equity </link:label>
<link:label id="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract_7AC8D2727BD56356F824CEB5FF1DA844_label_en-US" xlink:label="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract_7AC8D2727BD56356F824CEB5FF1DA844" 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/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_7AC8D2727BD56356F824CEB5FF1DA844" xlink:type="locator"/>
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<link:label id="lab_us-gaap_AccountsPayableCurrent_5CB178389677CAB41366CEB5FF1D1AF1_terseLabel_en-US" xlink:label="lab_us-gaap_AccountsPayableCurrent_5CB178389677CAB41366CEB5FF1D1AF1" 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_5CB178389677CAB41366CEB5FF1D1AF1_label_en-US" xlink:label="lab_us-gaap_AccountsPayableCurrent_5CB178389677CAB41366CEB5FF1D1AF1" 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/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AccountsPayableCurrent" xlink:label="loc_us-gaap_AccountsPayableCurrent_5CB178389677CAB41366CEB5FF1D1AF1" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccountsPayableCurrent_5CB178389677CAB41366CEB5FF1D1AF1" xlink:to="lab_us-gaap_AccountsPayableCurrent_5CB178389677CAB41366CEB5FF1D1AF1" xlink:type="arc"/>
<link:label id="lab_us-gaap_EmployeeRelatedLiabilitiesCurrent_63E9CA1D95D8A94FA568CEB5FF1DC119_terseLabel_en-US" xlink:label="lab_us-gaap_EmployeeRelatedLiabilitiesCurrent_63E9CA1D95D8A94FA568CEB5FF1DC119" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accrued compensation and benefits </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_EmployeeRelatedLiabilitiesCurrent" xlink:label="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_63E9CA1D95D8A94FA568CEB5FF1DC119" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_63E9CA1D95D8A94FA568CEB5FF1DC119" xlink:to="lab_us-gaap_EmployeeRelatedLiabilitiesCurrent_63E9CA1D95D8A94FA568CEB5FF1DC119" xlink:type="arc"/>
<link:label id="lab_us-gaap_AccruedLiabilitiesCurrent_E3D9D9678C6CAF5EE91DCEB5FF1DACEB_terseLabel_en-US" xlink:label="lab_us-gaap_AccruedLiabilitiesCurrent_E3D9D9678C6CAF5EE91DCEB5FF1DACEB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accrued expenses and other current liabilities </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AccruedLiabilitiesCurrent" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent_E3D9D9678C6CAF5EE91DCEB5FF1DACEB" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_E3D9D9678C6CAF5EE91DCEB5FF1DACEB" xlink:to="lab_us-gaap_AccruedLiabilitiesCurrent_E3D9D9678C6CAF5EE91DCEB5FF1DACEB" xlink:type="arc"/>
<link:label id="lab_us-gaap_LongTermDebtCurrent_36CDFC8E416ACAF58AACCEB5FF1DC4BD_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtCurrent_36CDFC8E416ACAF58AACCEB5FF1DC4BD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Current portion of long-term debt </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LongTermDebtCurrent" xlink:label="loc_us-gaap_LongTermDebtCurrent_36CDFC8E416ACAF58AACCEB5FF1DC4BD" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtCurrent_36CDFC8E416ACAF58AACCEB5FF1DC4BD" xlink:to="lab_us-gaap_LongTermDebtCurrent_36CDFC8E416ACAF58AACCEB5FF1DC4BD" xlink:type="arc"/>
<link:label id="lab_us-gaap_LiabilitiesCurrent_C7E0940517B3D9139BB2CEB5FF1DF1CF_totalLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesCurrent_C7E0940517B3D9139BB2CEB5FF1DF1CF" 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_C7E0940517B3D9139BB2CEB5FF1DF1CF_label_en-US" xlink:label="lab_us-gaap_LiabilitiesCurrent_C7E0940517B3D9139BB2CEB5FF1DF1CF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Liabilities, Current </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="loc_us-gaap_LiabilitiesCurrent_C7E0940517B3D9139BB2CEB5FF1DF1CF" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LiabilitiesCurrent_C7E0940517B3D9139BB2CEB5FF1DF1CF" xlink:to="lab_us-gaap_LiabilitiesCurrent_C7E0940517B3D9139BB2CEB5FF1DF1CF" xlink:type="arc"/>
<link:label id="lab_ara_IncomeTaxReceivableAgreementPayable_43085975F514AA8A7CFCCEB5FF1D7729_terseLabel_en-US" xlink:label="lab_ara_IncomeTaxReceivableAgreementPayable_43085975F514AA8A7CFCCEB5FF1D7729" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Income tax receivable agreement payable </link:label>
<link:label id="lab_ara_IncomeTaxReceivableAgreementPayable_43085975F514AA8A7CFCCEB5FF1D7729_label_en-US" xlink:label="lab_ara_IncomeTaxReceivableAgreementPayable_43085975F514AA8A7CFCCEB5FF1D7729" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income Tax Receivable Agreement Payable </link:label>
<link:label id="lab_ara_IncomeTaxReceivableAgreementPayable_43085975F514AA8A7CFCCEB5FF1D7729_documentation_en-US" xlink:label="lab_ara_IncomeTaxReceivableAgreementPayable_43085975F514AA8A7CFCCEB5FF1D7729" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Payable under tax receivable agreement noncurrent. </link:label>
<link:loc xlink:href="ara-20170331.xsd#ara_IncomeTaxReceivableAgreementPayable" xlink:label="loc_ara_IncomeTaxReceivableAgreementPayable_43085975F514AA8A7CFCCEB5FF1D7729" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ara_IncomeTaxReceivableAgreementPayable_43085975F514AA8A7CFCCEB5FF1D7729" xlink:to="lab_ara_IncomeTaxReceivableAgreementPayable_43085975F514AA8A7CFCCEB5FF1D7729" xlink:type="arc"/>
<link:label id="lab_us-gaap_OtherLiabilitiesNoncurrent_459161200E2D4FD7A28BCEB5FF1D12A6_terseLabel_en-US" xlink:label="lab_us-gaap_OtherLiabilitiesNoncurrent_459161200E2D4FD7A28BCEB5FF1D12A6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other long-term liabilities </link:label>
<link:label id="lab_us-gaap_OtherLiabilitiesNoncurrent_459161200E2D4FD7A28BCEB5FF1D12A6_label_en-US" xlink:label="lab_us-gaap_OtherLiabilitiesNoncurrent_459161200E2D4FD7A28BCEB5FF1D12A6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Liabilities, Noncurrent </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_459161200E2D4FD7A28BCEB5FF1D12A6" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherLiabilitiesNoncurrent_459161200E2D4FD7A28BCEB5FF1D12A6" xlink:to="lab_us-gaap_OtherLiabilitiesNoncurrent_459161200E2D4FD7A28BCEB5FF1D12A6" xlink:type="arc"/>
<link:label id="lab_us-gaap_DeferredTaxLiabilitiesNoncurrent_545E3ED587EEAB8F4180CEB5FF1D588D_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredTaxLiabilitiesNoncurrent_545E3ED587EEAB8F4180CEB5FF1D588D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Deferred tax liabilities </link:label>
<link:label id="lab_us-gaap_DeferredTaxLiabilitiesNoncurrent_545E3ED587EEAB8F4180CEB5FF1D588D_label_en-US" xlink:label="lab_us-gaap_DeferredTaxLiabilitiesNoncurrent_545E3ED587EEAB8F4180CEB5FF1D588D" 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/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DeferredTaxLiabilitiesNoncurrent" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesNoncurrent_545E3ED587EEAB8F4180CEB5FF1D588D" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredTaxLiabilitiesNoncurrent_545E3ED587EEAB8F4180CEB5FF1D588D" xlink:to="lab_us-gaap_DeferredTaxLiabilitiesNoncurrent_545E3ED587EEAB8F4180CEB5FF1D588D" xlink:type="arc"/>
<link:label id="lab_us-gaap_Liabilities_0BFAE059301CEB4BDDA7CEB5FF1D1D78_totalLabel_en-US" xlink:label="lab_us-gaap_Liabilities_0BFAE059301CEB4BDDA7CEB5FF1D1D78" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total Liabilities </link:label>
<link:label id="lab_us-gaap_Liabilities_0BFAE059301CEB4BDDA7CEB5FF1D1D78_label_en-US" xlink:label="lab_us-gaap_Liabilities_0BFAE059301CEB4BDDA7CEB5FF1D1D78" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Liabilities </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_Liabilities" xlink:label="loc_us-gaap_Liabilities_0BFAE059301CEB4BDDA7CEB5FF1D1D78" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_Liabilities_0BFAE059301CEB4BDDA7CEB5FF1D1D78" xlink:to="lab_us-gaap_Liabilities_0BFAE059301CEB4BDDA7CEB5FF1D1D78" xlink:type="arc"/>
<link:label id="lab_us-gaap_CommitmentsAndContingencies_D83C2C2C2233F1D03C7BCEB5FF1D4F87_terseLabel_en-US" xlink:label="lab_us-gaap_CommitmentsAndContingencies_D83C2C2C2233F1D03C7BCEB5FF1D4F87" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Commitments and contingencies (Note 14 and Note 15) </link:label>
<link:label id="lab_us-gaap_CommitmentsAndContingencies_D83C2C2C2233F1D03C7BCEB5FF1D4F87_label_en-US" xlink:label="lab_us-gaap_CommitmentsAndContingencies_D83C2C2C2233F1D03C7BCEB5FF1D4F87" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Commitments and Contingencies </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CommitmentsAndContingencies" xlink:label="loc_us-gaap_CommitmentsAndContingencies_D83C2C2C2233F1D03C7BCEB5FF1D4F87" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommitmentsAndContingencies_D83C2C2C2233F1D03C7BCEB5FF1D4F87" xlink:to="lab_us-gaap_CommitmentsAndContingencies_D83C2C2C2233F1D03C7BCEB5FF1D4F87" xlink:type="arc"/>
<link:label id="lab_us-gaap_TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests_02098D5D9CEEC8305AEDCEB5FF1DA197_terseLabel_en-US" xlink:label="lab_us-gaap_TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests_02098D5D9CEEC8305AEDCEB5FF1DA197" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Noncontrolling interests subject to put provisions </link:label>
<link:label id="lab_us-gaap_TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests_02098D5D9CEEC8305AEDCEB5FF1DA197_label_en-US" xlink:label="lab_us-gaap_TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests_02098D5D9CEEC8305AEDCEB5FF1DA197" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Temporary Equity, Carrying Amount, Including Portion Attributable to Noncontrolling Interests </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests" xlink:label="loc_us-gaap_TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests_02098D5D9CEEC8305AEDCEB5FF1DA197" xlink:type="locator"/>
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<link:label id="lab_us-gaap_StockholdersEquityAbstract_CA314F91C1562BB27D33CEB5FF1DFE1B_terseLabel_en-US" xlink:label="lab_us-gaap_StockholdersEquityAbstract_CA314F91C1562BB27D33CEB5FF1DFE1B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Equity: </link:label>
<link:label id="lab_us-gaap_StockholdersEquityAbstract_CA314F91C1562BB27D33CEB5FF1DFE1B_label_en-US" xlink:label="lab_us-gaap_StockholdersEquityAbstract_CA314F91C1562BB27D33CEB5FF1DFE1B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Stockholders' Equity Attributable to Parent [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StockholdersEquityAbstract" xlink:label="loc_us-gaap_StockholdersEquityAbstract_CA314F91C1562BB27D33CEB5FF1DFE1B" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockholdersEquityAbstract_CA314F91C1562BB27D33CEB5FF1DFE1B" xlink:to="lab_us-gaap_StockholdersEquityAbstract_CA314F91C1562BB27D33CEB5FF1DFE1B" xlink:type="arc"/>
<link:label id="lab_us-gaap_PreferredStockValue_2F6519F6EED53ED3A185CEB5FF1DD5BC_terseLabel_en-US" xlink:label="lab_us-gaap_PreferredStockValue_2F6519F6EED53ED3A185CEB5FF1DD5BC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Preferred stock, $0.01 par value, 1,000,000 shares authorized; none issued </link:label>
<link:label id="lab_us-gaap_PreferredStockValue_2F6519F6EED53ED3A185CEB5FF1DD5BC_label_en-US" xlink:label="lab_us-gaap_PreferredStockValue_2F6519F6EED53ED3A185CEB5FF1DD5BC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Preferred Stock, Value, Issued </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PreferredStockValue" xlink:label="loc_us-gaap_PreferredStockValue_2F6519F6EED53ED3A185CEB5FF1DD5BC" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PreferredStockValue_2F6519F6EED53ED3A185CEB5FF1DD5BC" xlink:to="lab_us-gaap_PreferredStockValue_2F6519F6EED53ED3A185CEB5FF1DD5BC" xlink:type="arc"/>
<link:label id="lab_us-gaap_CommonStockValue_0C1589E1B3BBF991C637CEB5FF1D3F50_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockValue_0C1589E1B3BBF991C637CEB5FF1D3F50" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Common stock, $0.01 par value; 300,000,000 shares authorized; 31,143,998 and 30,894,962 issued and outstanding at March 31, 2017 and December 31, 2016, respectively </link:label>
<link:label id="lab_us-gaap_CommonStockValue_0C1589E1B3BBF991C637CEB5FF1D3F50_label_en-US" xlink:label="lab_us-gaap_CommonStockValue_0C1589E1B3BBF991C637CEB5FF1D3F50" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Common Stock, Value, Issued </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CommonStockValue" xlink:label="loc_us-gaap_CommonStockValue_0C1589E1B3BBF991C637CEB5FF1D3F50" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockValue_0C1589E1B3BBF991C637CEB5FF1D3F50" xlink:to="lab_us-gaap_CommonStockValue_0C1589E1B3BBF991C637CEB5FF1D3F50" xlink:type="arc"/>
<link:label id="lab_us-gaap_AdditionalPaidInCapital_BB9E63D774FE927FB099CEB5FF1D1C1D_terseLabel_en-US" xlink:label="lab_us-gaap_AdditionalPaidInCapital_BB9E63D774FE927FB099CEB5FF1D1C1D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Additional paid-in capital </link:label>
<link:label id="lab_us-gaap_AdditionalPaidInCapital_BB9E63D774FE927FB099CEB5FF1D1C1D_label_en-US" xlink:label="lab_us-gaap_AdditionalPaidInCapital_BB9E63D774FE927FB099CEB5FF1D1C1D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Additional Paid in Capital </link:label>
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<link:label id="lab_us-gaap_StockholdersEquity_82E722F94F06ABA1B331CEB5FF1E50B3_totalLabel_en-US" xlink:label="lab_us-gaap_StockholdersEquity_82E722F94F06ABA1B331CEB5FF1E50B3" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total American Renal Associates Holdings, Inc. deficit </link:label>
<link:label id="lab_us-gaap_StockholdersEquity_82E722F94F06ABA1B331CEB5FF1E50B3_label_en-US" xlink:label="lab_us-gaap_StockholdersEquity_82E722F94F06ABA1B331CEB5FF1E50B3" 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_MinorityInterest_274357E93C14A81F0BD5CEB5FF1E853C_terseLabel_en-US" xlink:label="lab_us-gaap_MinorityInterest_274357E93C14A81F0BD5CEB5FF1E853C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Noncontrolling interests not subject to put provisions </link:label>
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<link:label id="lab_us-gaap_LiabilitiesAndStockholdersEquity_3BDFA8AF9001173D43C9CEB5FF1EFED2_label_en-US" xlink:label="lab_us-gaap_LiabilitiesAndStockholdersEquity_3BDFA8AF9001173D43C9CEB5FF1EFED2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Liabilities and Equity </link:label>
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<link:label id="lab_us-gaap_CreditFacilityAxis_70F1EC9D5D5F96CBCB44DA2EBA1C3366_terseLabel_en-US" xlink:label="lab_us-gaap_CreditFacilityAxis_70F1EC9D5D5F96CBCB44DA2EBA1C3366" 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_70F1EC9D5D5F96CBCB44DA2EBA1C3366_label_en-US" xlink:label="lab_us-gaap_CreditFacilityAxis_70F1EC9D5D5F96CBCB44DA2EBA1C3366" 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_40131596803721988648DA2EBA1C37C1_terseLabel_en-US" xlink:label="lab_us-gaap_CreditFacilityDomain_40131596803721988648DA2EBA1C37C1" 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_40131596803721988648DA2EBA1C37C1_label_en-US" xlink:label="lab_us-gaap_CreditFacilityDomain_40131596803721988648DA2EBA1C37C1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Credit Facility [Domain] </link:label>
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<link:label id="lab_us-gaap_RevolvingCreditFacilityMember_F84FEBCBB51EF2AF4FC5DA2EBA1DE71C_terseLabel_en-US" xlink:label="lab_us-gaap_RevolvingCreditFacilityMember_F84FEBCBB51EF2AF4FC5DA2EBA1DE71C" 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_F84FEBCBB51EF2AF4FC5DA2EBA1DE71C_label_en-US" xlink:label="lab_us-gaap_RevolvingCreditFacilityMember_F84FEBCBB51EF2AF4FC5DA2EBA1DE71C" 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/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RevolvingCreditFacilityMember" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_F84FEBCBB51EF2AF4FC5DA2EBA1DE71C" xlink:type="locator"/>
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<link:label id="lab_us-gaap_DebtInstrumentAxis_FEE94C8763036AD53A92DA2EBA1D78E0_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentAxis_FEE94C8763036AD53A92DA2EBA1D78E0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Debt Instrument [Axis] </link:label>
<link:label id="lab_us-gaap_DebtInstrumentAxis_FEE94C8763036AD53A92DA2EBA1D78E0_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentAxis_FEE94C8763036AD53A92DA2EBA1D78E0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instrument [Axis] </link:label>
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<link:label id="lab_ara_TermBLoansDueSeptember2019Member_E3E2B86807B106D69B06DA2EBA1D6A5A_terseLabel_en-US" xlink:label="lab_ara_TermBLoansDueSeptember2019Member_E3E2B86807B106D69B06DA2EBA1D6A5A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Term B loans </link:label>
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<link:label id="lab_us-gaap_InterestRateSwapMember_F8A73E906CC0CDA964A0DA2EBA1D8E93_label_en-US" xlink:label="lab_us-gaap_InterestRateSwapMember_F8A73E906CC0CDA964A0DA2EBA1D8E93" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Interest Rate Swap [Member] </link:label>
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<link:label id="lab_us-gaap_InterestRateCapMember_E2AE1208C1042BC7EDB2DA2EBA1E627F_label_en-US" xlink:label="lab_us-gaap_InterestRateCapMember_E2AE1208C1042BC7EDB2DA2EBA1E627F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Interest Rate Cap [Member] </link:label>
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<link:label id="lab_us-gaap_HedgingDesignationAxis_D8056738766F002F8EB8DA2EBA1E8E35_label_en-US" xlink:label="lab_us-gaap_HedgingDesignationAxis_D8056738766F002F8EB8DA2EBA1E8E35" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Hedging Designation [Axis] </link:label>
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<link:label id="lab_us-gaap_HedgingDesignationDomain_9EECD0E6BC7B1FBC01F9DA2EBA1E81A0_terseLabel_en-US" xlink:label="lab_us-gaap_HedgingDesignationDomain_9EECD0E6BC7B1FBC01F9DA2EBA1E81A0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Hedging Designation [Domain] </link:label>
<link:label id="lab_us-gaap_HedgingDesignationDomain_9EECD0E6BC7B1FBC01F9DA2EBA1E81A0_label_en-US" xlink:label="lab_us-gaap_HedgingDesignationDomain_9EECD0E6BC7B1FBC01F9DA2EBA1E81A0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Hedging Designation [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_HedgingDesignationDomain" xlink:label="loc_us-gaap_HedgingDesignationDomain_9EECD0E6BC7B1FBC01F9DA2EBA1E81A0" xlink:type="locator"/>
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<link:label id="lab_us-gaap_DesignatedAsHedgingInstrumentMember_2BDD8527158E74B04C41DA2EBA1EFB91_terseLabel_en-US" xlink:label="lab_us-gaap_DesignatedAsHedgingInstrumentMember_2BDD8527158E74B04C41DA2EBA1EFB91" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Designated as hedge </link:label>
<link:label id="lab_us-gaap_DesignatedAsHedgingInstrumentMember_2BDD8527158E74B04C41DA2EBA1EFB91_label_en-US" xlink:label="lab_us-gaap_DesignatedAsHedgingInstrumentMember_2BDD8527158E74B04C41DA2EBA1EFB91" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Designated as Hedging Instrument [Member] </link:label>
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<link:label id="lab_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_3CBAE144B83E2A006229DA2EBA1ECA75_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_3CBAE144B83E2A006229DA2EBA1ECA75" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Hedging Relationship [Axis] </link:label>
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<link:label id="lab_us-gaap_HedgingRelationshipDomain_55032E5ADAC1A591BB74DA2EBA1ECB84_terseLabel_en-US" xlink:label="lab_us-gaap_HedgingRelationshipDomain_55032E5ADAC1A591BB74DA2EBA1ECB84" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Hedging Relationship [Domain] </link:label>
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<link:label id="lab_us-gaap_CashFlowHedgingMember_620EC9116240D98B8D06DA2EBA1E2255_terseLabel_en-US" xlink:label="lab_us-gaap_CashFlowHedgingMember_620EC9116240D98B8D06DA2EBA1E2255" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Cash flow hedge </link:label>
<link:label id="lab_us-gaap_CashFlowHedgingMember_620EC9116240D98B8D06DA2EBA1E2255_label_en-US" xlink:label="lab_us-gaap_CashFlowHedgingMember_620EC9116240D98B8D06DA2EBA1E2255" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cash Flow Hedging [Member] </link:label>
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<link:label id="lab_us-gaap_DebtInstrumentPeriodicPaymentPrincipal_07C8D7E85D696E966791DA2EBA1E5C16_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentPeriodicPaymentPrincipal_07C8D7E85D696E966791DA2EBA1E5C16" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Principal payments </link:label>
<link:label id="lab_us-gaap_DebtInstrumentPeriodicPaymentPrincipal_07C8D7E85D696E966791DA2EBA1E5C16_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentPeriodicPaymentPrincipal_07C8D7E85D696E966791DA2EBA1E5C16" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Periodic Payment, Principal </link:label>
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<link:label id="lab_us-gaap_LineOfCredit_432FBEC884513453BACEDA2EBA1EE757_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCredit_432FBEC884513453BACEDA2EBA1EE757" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Revolving credit facility borrowings outstanding </link:label>
<link:label id="lab_us-gaap_LineOfCredit_432FBEC884513453BACEDA2EBA1EE757_label_en-US" xlink:label="lab_us-gaap_LineOfCredit_432FBEC884513453BACEDA2EBA1EE757" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Line of Credit </link:label>
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<link:label id="lab_us-gaap_MinorityInterestDecreaseFromRedemptions_1A4325353C09222ACAD3D0321B613194_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_MinorityInterestDecreaseFromRedemptions_1A4325353C09222ACAD3D0321B613194" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Decrease in paid-in capital for the purchase of noncontrolling interest and adjustments to ownership interest </link:label>
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<link:label id="lab_ara_NetIncomeLossAttributableToParentNetOfTransfersToNoncontrollingInterest_6B772D3E297CB54BE6CBD0325558B61E_documentation_en-US" xlink:label="lab_ara_NetIncomeLossAttributableToParentNetOfTransfersToNoncontrollingInterest_6B772D3E297CB54BE6CBD0325558B61E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Amount of Net Income (Loss) attributable to parent net of transfers to noncontrolling interest. </link:label>
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<link:label id="lab_us-gaap_StatementOfStockholdersEquityAbstract_FD469CD5B4845FB2F55CCEB5FF03F509_label_en-US" xlink:label="lab_us-gaap_StatementOfStockholdersEquityAbstract_FD469CD5B4845FB2F55CCEB5FF03F509" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Statement of Stockholders' Equity [Abstract] </link:label>
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<link:label id="lab_us-gaap_StatementEquityComponentsAxis_24DF5A9DE36577A76B96CEB5FF035023_terseLabel_en-US" xlink:label="lab_us-gaap_StatementEquityComponentsAxis_24DF5A9DE36577A76B96CEB5FF035023" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Equity Components [Axis] </link:label>
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<link:label id="lab_us-gaap_EquityComponentDomain_81BFA887EF2B36443E2DCEB5FF03922F_terseLabel_en-US" xlink:label="lab_us-gaap_EquityComponentDomain_81BFA887EF2B36443E2DCEB5FF03922F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Equity Component [Domain] </link:label>
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<link:label id="lab_ara_NoncontrollingInterestPutProvisionMember_278079645B31D997164CCEB5FF037653_terseLabel_en-US" xlink:label="lab_ara_NoncontrollingInterestPutProvisionMember_278079645B31D997164CCEB5FF037653" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Noncontrolling Interests subject to put provisions </link:label>
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<link:label id="lab_us-gaap_CommonStockMember_8F8F70327274058C42BCCEB5FF03BB28_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockMember_8F8F70327274058C42BCCEB5FF03BB28" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Common Stock </link:label>
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<link:label id="lab_us-gaap_RetainedEarningsMember_F41AAAA8983CEB8591A9CEB5FF03938A_terseLabel_en-US" xlink:label="lab_us-gaap_RetainedEarningsMember_F41AAAA8983CEB8591A9CEB5FF03938A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Retained Earnings (Deficit) </link:label>
<link:label id="lab_us-gaap_RetainedEarningsMember_F41AAAA8983CEB8591A9CEB5FF03938A_label_en-US" xlink:label="lab_us-gaap_RetainedEarningsMember_F41AAAA8983CEB8591A9CEB5FF03938A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Retained Earnings [Member] </link:label>
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<link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeMember_6621FA6AA7BCBB0628E0CEB5FF03D593_terseLabel_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeMember_6621FA6AA7BCBB0628E0CEB5FF03D593" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accumulated Other Comprehensive Income (loss) </link:label>
<link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeMember_6621FA6AA7BCBB0628E0CEB5FF03D593_label_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeMember_6621FA6AA7BCBB0628E0CEB5FF03D593" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> AOCI Attributable to Parent [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_6621FA6AA7BCBB0628E0CEB5FF03D593" xlink:type="locator"/>
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<link:label id="lab_ara_NoncontrollingInterestNoPutProvisionMember_462706E357B4DE3288C9CEB5FF0416A1_terseLabel_en-US" xlink:label="lab_ara_NoncontrollingInterestNoPutProvisionMember_462706E357B4DE3288C9CEB5FF0416A1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Noncontrolling Interests not subject to put provisions </link:label>
<link:label id="lab_ara_NoncontrollingInterestNoPutProvisionMember_462706E357B4DE3288C9CEB5FF0416A1_label_en-US" xlink:label="lab_ara_NoncontrollingInterestNoPutProvisionMember_462706E357B4DE3288C9CEB5FF0416A1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Noncontrolling Interest No Put Provision [Member] </link:label>
<link:label id="lab_ara_NoncontrollingInterestNoPutProvisionMember_462706E357B4DE3288C9CEB5FF0416A1_documentation_en-US" xlink:label="lab_ara_NoncontrollingInterestNoPutProvisionMember_462706E357B4DE3288C9CEB5FF0416A1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents noncontrolling interests not subject to put provisions </link:label>
<link:loc xlink:href="ara-20170331.xsd#ara_NoncontrollingInterestNoPutProvisionMember" xlink:label="loc_ara_NoncontrollingInterestNoPutProvisionMember_462706E357B4DE3288C9CEB5FF0416A1" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ara_NoncontrollingInterestNoPutProvisionMember_462706E357B4DE3288C9CEB5FF0416A1" xlink:to="lab_ara_NoncontrollingInterestNoPutProvisionMember_462706E357B4DE3288C9CEB5FF0416A1" xlink:type="arc"/>
<link:label id="lab_us-gaap_StatementLineItems_5EEA97CC83D3A906EA17CEB5FF048979_terseLabel_en-US" xlink:label="lab_us-gaap_StatementLineItems_5EEA97CC83D3A906EA17CEB5FF048979" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Statement [Line Items] </link:label>
<link:label id="lab_us-gaap_StatementLineItems_5EEA97CC83D3A906EA17CEB5FF048979_label_en-US" xlink:label="lab_us-gaap_StatementLineItems_5EEA97CC83D3A906EA17CEB5FF048979" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Statement [Line Items] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_5EEA97CC83D3A906EA17CEB5FF048979" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementLineItems_5EEA97CC83D3A906EA17CEB5FF048979" xlink:to="lab_us-gaap_StatementLineItems_5EEA97CC83D3A906EA17CEB5FF048979" xlink:type="arc"/>
<link:label id="lab_us-gaap_StockholdersEquity_F258C8BAB46FDD069F04CEB5FF040A56_periodStartLabel_en-US" xlink:label="lab_us-gaap_StockholdersEquity_F258C8BAB46FDD069F04CEB5FF040A56" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US"> Balance at beginning of period </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaap_StockholdersEquity_F258C8BAB46FDD069F04CEB5FF040A56" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockholdersEquity_F258C8BAB46FDD069F04CEB5FF040A56" xlink:to="lab_us-gaap_StockholdersEquity_F258C8BAB46FDD069F04CEB5FF040A56" xlink:type="arc"/>
<link:label id="lab_us-gaap_SharesOutstanding_098C77B0F3D76721BC95CEB5FF04DC97_periodStartLabel_en-US" xlink:label="lab_us-gaap_SharesOutstanding_098C77B0F3D76721BC95CEB5FF04DC97" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US"> Balance at beginning of period (in shares) </link:label>
<link:label id="lab_us-gaap_SharesOutstanding_098C77B0F3D76721BC95CEB5FF04DC97_label_en-US" xlink:label="lab_us-gaap_SharesOutstanding_098C77B0F3D76721BC95CEB5FF04DC97" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Shares, Outstanding </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SharesOutstanding" xlink:label="loc_us-gaap_SharesOutstanding_098C77B0F3D76721BC95CEB5FF04DC97" xlink:type="locator"/>
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<link:label id="lab_us-gaap_NetIncomeLoss_D7AE672F27CC35F3BC61CEB5FF0463E0_verboseLabel_en-US" xlink:label="lab_us-gaap_NetIncomeLoss_D7AE672F27CC35F3BC61CEB5FF0463E0" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Net income (loss) </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_D7AE672F27CC35F3BC61CEB5FF0463E0" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetIncomeLoss_D7AE672F27CC35F3BC61CEB5FF0463E0" xlink:to="lab_us-gaap_NetIncomeLoss_D7AE672F27CC35F3BC61CEB5FF0463E0" xlink:type="arc"/>
<link:label id="lab_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_1651A9D7AAEC29887F08CEB5FF048402_terseLabel_en-US" xlink:label="lab_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_1651A9D7AAEC29887F08CEB5FF048402" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Stock-based compensation </link:label>
<link:label id="lab_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_1651A9D7AAEC29887F08CEB5FF048402_label_en-US" xlink:label="lab_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_1651A9D7AAEC29887F08CEB5FF048402" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" xlink:label="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_1651A9D7AAEC29887F08CEB5FF048402" xlink:type="locator"/>
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<link:label id="lab_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_6964FEEB543AFE6DC53ECEB5FF0494AB_terseLabel_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_6964FEEB543AFE6DC53ECEB5FF0494AB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Exercise of stock options (in shares) </link:label>
<link:label id="lab_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_6964FEEB543AFE6DC53ECEB5FF0494AB_label_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_6964FEEB543AFE6DC53ECEB5FF0494AB" 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, Options, Exercises in Period </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_6964FEEB543AFE6DC53ECEB5FF0494AB" xlink:type="locator"/>
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<link:label id="lab_us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised_3065B9DD8B27510C9806CEB5FF0405FA_terseLabel_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised_3065B9DD8B27510C9806CEB5FF0405FA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Exercise of stock options </link:label>
<link:label id="lab_us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised_3065B9DD8B27510C9806CEB5FF0405FA_label_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised_3065B9DD8B27510C9806CEB5FF0405FA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Stock Issued During Period, Value, Stock Options Exercised </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised_3065B9DD8B27510C9806CEB5FF0405FA" xlink:type="locator"/>
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<link:label id="lab_us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures_0415F199850819942208CEB5FF04299F_terseLabel_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures_0415F199850819942208CEB5FF04299F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Issuance of restricted stock (in shares) </link:label>
<link:label id="lab_us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures_0415F199850819942208CEB5FF04299F_label_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures_0415F199850819942208CEB5FF04299F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures_0415F199850819942208CEB5FF04299F" xlink:type="locator"/>
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<link:label id="lab_us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures_665BBEE7EBD51C33FDC4CEB5FF0406D4_terseLabel_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures_665BBEE7EBD51C33FDC4CEB5FF0406D4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Issuance of restricted stock </link:label>
<link:label id="lab_us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures_665BBEE7EBD51C33FDC4CEB5FF0406D4_label_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures_665BBEE7EBD51C33FDC4CEB5FF0406D4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures_665BBEE7EBD51C33FDC4CEB5FF0406D4" xlink:type="locator"/>
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<link:label id="lab_us-gaap_DividendsShareBasedCompensationCash_AB34D4FA8CD815381524CEB5FF04199D_negatedLabel_en-US" xlink:label="lab_us-gaap_DividendsShareBasedCompensationCash_AB34D4FA8CD815381524CEB5FF04199D" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Cash dividend equivalents paid on share-based payments </link:label>
<link:label id="lab_us-gaap_DividendsShareBasedCompensationCash_AB34D4FA8CD815381524CEB5FF04199D_label_en-US" xlink:label="lab_us-gaap_DividendsShareBasedCompensationCash_AB34D4FA8CD815381524CEB5FF04199D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Dividends, Share-based Compensation, Cash </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DividendsShareBasedCompensationCash" xlink:label="loc_us-gaap_DividendsShareBasedCompensationCash_AB34D4FA8CD815381524CEB5FF04199D" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendPayments_77D1940FED55B599C62FCEB5FF0462AE_negatedLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendPayments_77D1940FED55B599C62FCEB5FF0462AE" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Cash dividend equivalents accrued on share-based payments </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendPayments_77D1940FED55B599C62FCEB5FF0462AE_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendPayments_77D1940FED55B599C62FCEB5FF0462AE" 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, Fair Value Assumptions, Expected Dividend Payments </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendPayments" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendPayments_77D1940FED55B599C62FCEB5FF0462AE" xlink:type="locator"/>
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<link:label id="lab_us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders_611A76F93DCEB23E626CCEB5FF04AF50_negatedLabel_en-US" xlink:label="lab_us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders_611A76F93DCEB23E626CCEB5FF04AF50" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Distributions to noncontrolling interests </link:label>
<link:label id="lab_us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders_611A76F93DCEB23E626CCEB5FF04AF50_label_en-US" xlink:label="lab_us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders_611A76F93DCEB23E626CCEB5FF04AF50" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders" xlink:label="loc_us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders_611A76F93DCEB23E626CCEB5FF04AF50" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders_611A76F93DCEB23E626CCEB5FF04AF50" xlink:to="lab_us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders_611A76F93DCEB23E626CCEB5FF04AF50" xlink:type="arc"/>
<link:label id="lab_ara_NoncontrollingInterestIncreaseFromContributions_93FF62007A58794EB0BBCEB5FF040B0F_terseLabel_en-US" xlink:label="lab_ara_NoncontrollingInterestIncreaseFromContributions_93FF62007A58794EB0BBCEB5FF040B0F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Contributions from noncontrolling interests </link:label>
<link:label id="lab_ara_NoncontrollingInterestIncreaseFromContributions_93FF62007A58794EB0BBCEB5FF040B0F_label_en-US" xlink:label="lab_ara_NoncontrollingInterestIncreaseFromContributions_93FF62007A58794EB0BBCEB5FF040B0F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Noncontrolling Interest Increase From Contributions </link:label>
<link:label id="lab_ara_NoncontrollingInterestIncreaseFromContributions_93FF62007A58794EB0BBCEB5FF040B0F_documentation_en-US" xlink:label="lab_ara_NoncontrollingInterestIncreaseFromContributions_93FF62007A58794EB0BBCEB5FF040B0F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Noncontrolling interest increase from contributions. </link:label>
<link:loc xlink:href="ara-20170331.xsd#ara_NoncontrollingInterestIncreaseFromContributions" xlink:label="loc_ara_NoncontrollingInterestIncreaseFromContributions_93FF62007A58794EB0BBCEB5FF040B0F" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ara_NoncontrollingInterestIncreaseFromContributions_93FF62007A58794EB0BBCEB5FF040B0F" xlink:to="lab_ara_NoncontrollingInterestIncreaseFromContributions_93FF62007A58794EB0BBCEB5FF040B0F" xlink:type="arc"/>
<link:label id="lab_us-gaap_MinorityInterestDecreaseFromRedemptions_4089DF7E27FA6C7CD22CCEB5FF04B8CA_negatedLabel_en-US" xlink:label="lab_us-gaap_MinorityInterestDecreaseFromRedemptions_4089DF7E27FA6C7CD22CCEB5FF04B8CA" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Purchases of noncontrolling interests </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_MinorityInterestDecreaseFromRedemptions" xlink:label="loc_us-gaap_MinorityInterestDecreaseFromRedemptions_4089DF7E27FA6C7CD22CCEB5FF04B8CA" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_MinorityInterestDecreaseFromRedemptions_4089DF7E27FA6C7CD22CCEB5FF04B8CA" xlink:to="lab_us-gaap_MinorityInterestDecreaseFromRedemptions_4089DF7E27FA6C7CD22CCEB5FF04B8CA" xlink:type="arc"/>
<link:label id="lab_us-gaap_ReclassificationsOfTemporaryToPermanentEquity_F3C42FBE3AA5EC760C1CCEB5FF04E076_terseLabel_en-US" xlink:label="lab_us-gaap_ReclassificationsOfTemporaryToPermanentEquity_F3C42FBE3AA5EC760C1CCEB5FF04E076" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Reclassification/other adjustments </link:label>
<link:label id="lab_us-gaap_ReclassificationsOfTemporaryToPermanentEquity_F3C42FBE3AA5EC760C1CCEB5FF04E076_label_en-US" xlink:label="lab_us-gaap_ReclassificationsOfTemporaryToPermanentEquity_F3C42FBE3AA5EC760C1CCEB5FF04E076" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Reclassifications of Temporary to Permanent Equity </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ReclassificationsOfTemporaryToPermanentEquity" xlink:label="loc_us-gaap_ReclassificationsOfTemporaryToPermanentEquity_F3C42FBE3AA5EC760C1CCEB5FF04E076" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ReclassificationsOfTemporaryToPermanentEquity_F3C42FBE3AA5EC760C1CCEB5FF04E076" xlink:to="lab_us-gaap_ReclassificationsOfTemporaryToPermanentEquity_F3C42FBE3AA5EC760C1CCEB5FF04E076" xlink:type="arc"/>
<link:label id="lab_us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisChangeInUnrealizedGainLoss_4F42E182DAF0BA2EE45FCEB5FF04004E_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisChangeInUnrealizedGainLoss_4F42E182DAF0BA2EE45FCEB5FF04004E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Change in fair value of derivative agreements, net of tax </link:label>
<link:label id="lab_us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisChangeInUnrealizedGainLoss_4F42E182DAF0BA2EE45FCEB5FF04004E_label_en-US" xlink:label="lab_us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisChangeInUnrealizedGainLoss_4F42E182DAF0BA2EE45FCEB5FF04004E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Change in Unrealized Gain (Loss) </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisChangeInUnrealizedGainLoss" xlink:label="loc_us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisChangeInUnrealizedGainLoss_4F42E182DAF0BA2EE45FCEB5FF04004E" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisChangeInUnrealizedGainLoss_4F42E182DAF0BA2EE45FCEB5FF04004E" xlink:to="lab_us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisChangeInUnrealizedGainLoss_4F42E182DAF0BA2EE45FCEB5FF04004E" xlink:type="arc"/>
<link:label id="lab_us-gaap_MinorityInterestChangeInRedemptionValue_FA7EA9A61BE9BDD2822BCEB5FF047A14_terseLabel_en-US" xlink:label="lab_us-gaap_MinorityInterestChangeInRedemptionValue_FA7EA9A61BE9BDD2822BCEB5FF047A14" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Change in fair value of noncontrolling interests </link:label>
<link:label id="lab_us-gaap_MinorityInterestChangeInRedemptionValue_FA7EA9A61BE9BDD2822BCEB5FF047A14_label_en-US" xlink:label="lab_us-gaap_MinorityInterestChangeInRedemptionValue_FA7EA9A61BE9BDD2822BCEB5FF047A14" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Noncontrolling Interest, Change in Redemption Value </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_MinorityInterestChangeInRedemptionValue" xlink:label="loc_us-gaap_MinorityInterestChangeInRedemptionValue_FA7EA9A61BE9BDD2822BCEB5FF047A14" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_MinorityInterestChangeInRedemptionValue_FA7EA9A61BE9BDD2822BCEB5FF047A14" xlink:to="lab_us-gaap_MinorityInterestChangeInRedemptionValue_FA7EA9A61BE9BDD2822BCEB5FF047A14" xlink:type="arc"/>
<link:label id="lab_us-gaap_StockholdersEquity_29E36E7238E6A12D46D0CEB5FF057931_periodEndLabel_en-US" xlink:label="lab_us-gaap_StockholdersEquity_29E36E7238E6A12D46D0CEB5FF057931" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US"> Balance at end of period </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaap_StockholdersEquity_29E36E7238E6A12D46D0CEB5FF057931" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockholdersEquity_29E36E7238E6A12D46D0CEB5FF057931" xlink:to="lab_us-gaap_StockholdersEquity_29E36E7238E6A12D46D0CEB5FF057931" xlink:type="arc"/>
<link:label id="lab_us-gaap_SharesOutstanding_3EA7C66A65D4E5AFFBB5CEB5FF05F96F_periodEndLabel_en-US" xlink:label="lab_us-gaap_SharesOutstanding_3EA7C66A65D4E5AFFBB5CEB5FF05F96F" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US"> Balance at end of period (in shares) </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SharesOutstanding" xlink:label="loc_us-gaap_SharesOutstanding_3EA7C66A65D4E5AFFBB5CEB5FF05F96F" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SharesOutstanding_3EA7C66A65D4E5AFFBB5CEB5FF05F96F" xlink:to="lab_us-gaap_SharesOutstanding_3EA7C66A65D4E5AFFBB5CEB5FF05F96F" xlink:type="arc"/>
<link:label id="lab_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_3E0F265DA1E918D9C828BAC1C133133A_terseLabel_en-US" xlink:label="lab_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_3E0F265DA1E918D9C828BAC1C133133A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> STOCK-BASED COMPENSATION </link:label>
<link:label id="lab_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_3E0F265DA1E918D9C828BAC1C133133A_label_en-US" xlink:label="lab_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_3E0F265DA1E918D9C828BAC1C133133A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disclosure of Compensation Related Costs, Share-based Payments [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_3E0F265DA1E918D9C828BAC1C133133A" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_3E0F265DA1E918D9C828BAC1C133133A" xlink:to="lab_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_3E0F265DA1E918D9C828BAC1C133133A" xlink:type="arc"/>
<link:label id="lab_us-gaap_LossContingenciesTable_65136F27DE0522E816A2BB66FFF66992_terseLabel_en-US" xlink:label="lab_us-gaap_LossContingenciesTable_65136F27DE0522E816A2BB66FFF66992" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Loss Contingencies [Table] </link:label>
<link:label id="lab_us-gaap_LossContingenciesTable_65136F27DE0522E816A2BB66FFF66992_label_en-US" xlink:label="lab_us-gaap_LossContingenciesTable_65136F27DE0522E816A2BB66FFF66992" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Loss Contingencies [Table] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LossContingenciesTable" xlink:label="loc_us-gaap_LossContingenciesTable_65136F27DE0522E816A2BB66FFF66992" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LossContingenciesTable_65136F27DE0522E816A2BB66FFF66992" xlink:to="lab_us-gaap_LossContingenciesTable_65136F27DE0522E816A2BB66FFF66992" xlink:type="arc"/>
<link:label id="lab_ara_UnitedStatesDistrictCourtMember_AD8B9713BDD172F2F1F6BB66FFF77863_terseLabel_en-US" xlink:label="lab_ara_UnitedStatesDistrictCourtMember_AD8B9713BDD172F2F1F6BB66FFF77863" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> United States District Court </link:label>
<link:label id="lab_ara_UnitedStatesDistrictCourtMember_AD8B9713BDD172F2F1F6BB66FFF77863_label_en-US" xlink:label="lab_ara_UnitedStatesDistrictCourtMember_AD8B9713BDD172F2F1F6BB66FFF77863" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> United States District Court [Member] </link:label>
<link:label id="lab_ara_UnitedStatesDistrictCourtMember_AD8B9713BDD172F2F1F6BB66FFF77863_documentation_en-US" xlink:label="lab_ara_UnitedStatesDistrictCourtMember_AD8B9713BDD172F2F1F6BB66FFF77863" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents information pertaining to the United States District. </link:label>
<link:loc xlink:href="ara-20170331.xsd#ara_UnitedStatesDistrictCourtMember" xlink:label="loc_ara_UnitedStatesDistrictCourtMember_AD8B9713BDD172F2F1F6BB66FFF77863" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ara_UnitedStatesDistrictCourtMember_AD8B9713BDD172F2F1F6BB66FFF77863" xlink:to="lab_ara_UnitedStatesDistrictCourtMember_AD8B9713BDD172F2F1F6BB66FFF77863" xlink:type="arc"/>
<link:label id="lab_us-gaap_LossContingenciesLineItems_1FCEDB70461B8A07C8B8BB66FFF75E3C_terseLabel_en-US" xlink:label="lab_us-gaap_LossContingenciesLineItems_1FCEDB70461B8A07C8B8BB66FFF75E3C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Certain Legal Matters </link:label>
<link:label id="lab_us-gaap_LossContingenciesLineItems_1FCEDB70461B8A07C8B8BB66FFF75E3C_label_en-US" xlink:label="lab_us-gaap_LossContingenciesLineItems_1FCEDB70461B8A07C8B8BB66FFF75E3C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Loss Contingencies [Line Items] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LossContingenciesLineItems" xlink:label="loc_us-gaap_LossContingenciesLineItems_1FCEDB70461B8A07C8B8BB66FFF75E3C" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LossContingenciesLineItems_1FCEDB70461B8A07C8B8BB66FFF75E3C" xlink:to="lab_us-gaap_LossContingenciesLineItems_1FCEDB70461B8A07C8B8BB66FFF75E3C" xlink:type="arc"/>
<link:label id="lab_ara_NumberOfPlaintiffAffiliates_B637A20CB6CEB145A8B4BB66FFF7CD6E_terseLabel_en-US" xlink:label="lab_ara_NumberOfPlaintiffAffiliates_B637A20CB6CEB145A8B4BB66FFF7CD6E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Number of affiliates </link:label>
<link:label id="lab_ara_NumberOfPlaintiffAffiliates_B637A20CB6CEB145A8B4BB66FFF7CD6E_label_en-US" xlink:label="lab_ara_NumberOfPlaintiffAffiliates_B637A20CB6CEB145A8B4BB66FFF7CD6E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Number Of Plaintiff Affiliates </link:label>
<link:label id="lab_ara_NumberOfPlaintiffAffiliates_B637A20CB6CEB145A8B4BB66FFF7CD6E_documentation_en-US" xlink:label="lab_ara_NumberOfPlaintiffAffiliates_B637A20CB6CEB145A8B4BB66FFF7CD6E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the number of affiliates for the plaintiff. </link:label>
<link:loc xlink:href="ara-20170331.xsd#ara_NumberOfPlaintiffAffiliates" xlink:label="loc_ara_NumberOfPlaintiffAffiliates_B637A20CB6CEB145A8B4BB66FFF7CD6E" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ara_NumberOfPlaintiffAffiliates_B637A20CB6CEB145A8B4BB66FFF7CD6E" xlink:to="lab_ara_NumberOfPlaintiffAffiliates_B637A20CB6CEB145A8B4BB66FFF7CD6E" xlink:type="arc"/>
<link:label id="lab_ara_NumberOfPatientsMentionedInComplaint_0371F8D197D7176D041ABB66FFF7E583_terseLabel_en-US" xlink:label="lab_ara_NumberOfPatientsMentionedInComplaint_0371F8D197D7176D041ABB66FFF7E583" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Number of patients </link:label>
<link:label id="lab_ara_NumberOfPatientsMentionedInComplaint_0371F8D197D7176D041ABB66FFF7E583_label_en-US" xlink:label="lab_ara_NumberOfPatientsMentionedInComplaint_0371F8D197D7176D041ABB66FFF7E583" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Number Of Patients Mentioned In Complaint </link:label>
<link:label id="lab_ara_NumberOfPatientsMentionedInComplaint_0371F8D197D7176D041ABB66FFF7E583_documentation_en-US" xlink:label="lab_ara_NumberOfPatientsMentionedInComplaint_0371F8D197D7176D041ABB66FFF7E583" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the number of patients mentioned in the complaint. </link:label>
<link:loc xlink:href="ara-20170331.xsd#ara_NumberOfPatientsMentionedInComplaint" xlink:label="loc_ara_NumberOfPatientsMentionedInComplaint_0371F8D197D7176D041ABB66FFF7E583" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ara_NumberOfPatientsMentionedInComplaint_0371F8D197D7176D041ABB66FFF7E583" xlink:to="lab_ara_NumberOfPatientsMentionedInComplaint_0371F8D197D7176D041ABB66FFF7E583" xlink:type="arc"/>
<link:label id="lab_ara_NumberOfClinics_E379006DD80F68D6C845BB66FFF78BF9_terseLabel_en-US" xlink:label="lab_ara_NumberOfClinics_E379006DD80F68D6C845BB66FFF78BF9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Number of clinics </link:label>
<link:label id="lab_ara_NumberOfClinics_E379006DD80F68D6C845BB66FFF78BF9_label_en-US" xlink:label="lab_ara_NumberOfClinics_E379006DD80F68D6C845BB66FFF78BF9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Number Of Clinics </link:label>
<link:label id="lab_ara_NumberOfClinics_E379006DD80F68D6C845BB66FFF78BF9_documentation_en-US" xlink:label="lab_ara_NumberOfClinics_E379006DD80F68D6C845BB66FFF78BF9" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the number of clinics mentioned in the complaint. </link:label>
<link:loc xlink:href="ara-20170331.xsd#ara_NumberOfClinics" xlink:label="loc_ara_NumberOfClinics_E379006DD80F68D6C845BB66FFF78BF9" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ara_NumberOfClinics_E379006DD80F68D6C845BB66FFF78BF9" xlink:to="lab_ara_NumberOfClinics_E379006DD80F68D6C845BB66FFF78BF9" xlink:type="arc"/>
<link:label id="lab_ara_NumberOfInsuranceProducts_787F0E5F29CE90D46BDDBB66FFF71B5C_terseLabel_en-US" xlink:label="lab_ara_NumberOfInsuranceProducts_787F0E5F29CE90D46BDDBB66FFF71B5C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Number of insurance products </link:label>
<link:label id="lab_ara_NumberOfInsuranceProducts_787F0E5F29CE90D46BDDBB66FFF71B5C_label_en-US" xlink:label="lab_ara_NumberOfInsuranceProducts_787F0E5F29CE90D46BDDBB66FFF71B5C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Number Of Insurance Products </link:label>
<link:label id="lab_ara_NumberOfInsuranceProducts_787F0E5F29CE90D46BDDBB66FFF71B5C_documentation_en-US" xlink:label="lab_ara_NumberOfInsuranceProducts_787F0E5F29CE90D46BDDBB66FFF71B5C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the number of insurance products mentioned in the complaint. </link:label>
<link:loc xlink:href="ara-20170331.xsd#ara_NumberOfInsuranceProducts" xlink:label="loc_ara_NumberOfInsuranceProducts_787F0E5F29CE90D46BDDBB66FFF71B5C" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ConsolidationPolicyTextBlock_CA16CACBC6697CEDB8D9BAC1C18F64BB_terseLabel_en-US" xlink:label="lab_us-gaap_ConsolidationPolicyTextBlock_CA16CACBC6697CEDB8D9BAC1C18F64BB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Basis of Presentation and Consolidation </link:label>
<link:label id="lab_us-gaap_ConsolidationPolicyTextBlock_CA16CACBC6697CEDB8D9BAC1C18F64BB_label_en-US" xlink:label="lab_us-gaap_ConsolidationPolicyTextBlock_CA16CACBC6697CEDB8D9BAC1C18F64BB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Consolidation, Policy [Policy Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ConsolidationPolicyTextBlock" xlink:label="loc_us-gaap_ConsolidationPolicyTextBlock_CA16CACBC6697CEDB8D9BAC1C18F64BB" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ConsolidationPolicyTextBlock_CA16CACBC6697CEDB8D9BAC1C18F64BB" xlink:to="lab_us-gaap_ConsolidationPolicyTextBlock_CA16CACBC6697CEDB8D9BAC1C18F64BB" xlink:type="arc"/>
<link:label id="lab_us-gaap_SegmentReportingPolicyPolicyTextBlock_4CC5228F60AF432E4307BAC1C18F1DD3_terseLabel_en-US" xlink:label="lab_us-gaap_SegmentReportingPolicyPolicyTextBlock_4CC5228F60AF432E4307BAC1C18F1DD3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Segment Information </link:label>
<link:label id="lab_us-gaap_SegmentReportingPolicyPolicyTextBlock_4CC5228F60AF432E4307BAC1C18F1DD3_label_en-US" xlink:label="lab_us-gaap_SegmentReportingPolicyPolicyTextBlock_4CC5228F60AF432E4307BAC1C18F1DD3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Segment Reporting, Policy [Policy Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SegmentReportingPolicyPolicyTextBlock" xlink:label="loc_us-gaap_SegmentReportingPolicyPolicyTextBlock_4CC5228F60AF432E4307BAC1C18F1DD3" xlink:type="locator"/>
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<link:label id="lab_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_1108BB77102A20C68F78BAC1C18FE1CD_terseLabel_en-US" xlink:label="lab_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_1108BB77102A20C68F78BAC1C18FE1CD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Recent Accounting Pronouncements </link:label>
<link:label id="lab_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_1108BB77102A20C68F78BAC1C18FE1CD_label_en-US" xlink:label="lab_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_1108BB77102A20C68F78BAC1C18FE1CD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> New Accounting Pronouncements, Policy [Policy Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock" xlink:label="loc_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_1108BB77102A20C68F78BAC1C18FE1CD" xlink:type="locator"/>
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<link:label id="lab_us-gaap_BalanceSheetLocationAxis_BF03EF879A522D9EDFC9BBA85F99640A_terseLabel_en-US" xlink:label="lab_us-gaap_BalanceSheetLocationAxis_BF03EF879A522D9EDFC9BBA85F99640A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Balance Sheet Location [Axis] </link:label>
<link:label id="lab_us-gaap_BalanceSheetLocationAxis_BF03EF879A522D9EDFC9BBA85F99640A_label_en-US" xlink:label="lab_us-gaap_BalanceSheetLocationAxis_BF03EF879A522D9EDFC9BBA85F99640A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Balance Sheet Location [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_BalanceSheetLocationAxis" xlink:label="loc_us-gaap_BalanceSheetLocationAxis_BF03EF879A522D9EDFC9BBA85F99640A" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_BF03EF879A522D9EDFC9BBA85F99640A" xlink:to="lab_us-gaap_BalanceSheetLocationAxis_BF03EF879A522D9EDFC9BBA85F99640A" xlink:type="arc"/>
<link:label id="lab_us-gaap_BalanceSheetLocationDomain_A71491DB43D0E025F1EDBBA85F99D7DE_terseLabel_en-US" xlink:label="lab_us-gaap_BalanceSheetLocationDomain_A71491DB43D0E025F1EDBBA85F99D7DE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Balance Sheet Location [Domain] </link:label>
<link:label id="lab_us-gaap_BalanceSheetLocationDomain_A71491DB43D0E025F1EDBBA85F99D7DE_label_en-US" xlink:label="lab_us-gaap_BalanceSheetLocationDomain_A71491DB43D0E025F1EDBBA85F99D7DE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Balance Sheet Location [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_A71491DB43D0E025F1EDBBA85F99D7DE" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_A71491DB43D0E025F1EDBBA85F99D7DE" xlink:to="lab_us-gaap_BalanceSheetLocationDomain_A71491DB43D0E025F1EDBBA85F99D7DE" xlink:type="arc"/>
<link:label id="lab_us-gaap_PrepaidExpensesAndOtherCurrentAssetsMember_08B20CE6FF04DADD5194BBA85F99DDEB_terseLabel_en-US" xlink:label="lab_us-gaap_PrepaidExpensesAndOtherCurrentAssetsMember_08B20CE6FF04DADD5194BBA85F99DDEB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Prepaid expenses and other current assets </link:label>
<link:label id="lab_us-gaap_PrepaidExpensesAndOtherCurrentAssetsMember_08B20CE6FF04DADD5194BBA85F99DDEB_label_en-US" xlink:label="lab_us-gaap_PrepaidExpensesAndOtherCurrentAssetsMember_08B20CE6FF04DADD5194BBA85F99DDEB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Prepaid Expenses and Other Current Assets [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PrepaidExpensesAndOtherCurrentAssetsMember" xlink:label="loc_us-gaap_PrepaidExpensesAndOtherCurrentAssetsMember_08B20CE6FF04DADD5194BBA85F99DDEB" xlink:type="locator"/>
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<link:label id="lab_us-gaap_OtherNoncurrentAssetsMember_7424F625C89C59DAE36EBBA85F99E8D1_terseLabel_en-US" xlink:label="lab_us-gaap_OtherNoncurrentAssetsMember_7424F625C89C59DAE36EBBA85F99E8D1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other long-term assets </link:label>
<link:label id="lab_us-gaap_OtherNoncurrentAssetsMember_7424F625C89C59DAE36EBBA85F99E8D1_label_en-US" xlink:label="lab_us-gaap_OtherNoncurrentAssetsMember_7424F625C89C59DAE36EBBA85F99E8D1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Noncurrent Assets [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherNoncurrentAssetsMember" xlink:label="loc_us-gaap_OtherNoncurrentAssetsMember_7424F625C89C59DAE36EBBA85F99E8D1" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherNoncurrentAssetsMember_7424F625C89C59DAE36EBBA85F99E8D1" xlink:to="lab_us-gaap_OtherNoncurrentAssetsMember_7424F625C89C59DAE36EBBA85F99E8D1" xlink:type="arc"/>
<link:label id="lab_ara_IncomeTaxReceivableAgreementPayableMember_0A4B4C09E1F1A67C3C16BBA85F9A0FB2_terseLabel_en-US" xlink:label="lab_ara_IncomeTaxReceivableAgreementPayableMember_0A4B4C09E1F1A67C3C16BBA85F9A0FB2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Income tax receivable agreement payable </link:label>
<link:label id="lab_ara_IncomeTaxReceivableAgreementPayableMember_0A4B4C09E1F1A67C3C16BBA85F9A0FB2_label_en-US" xlink:label="lab_ara_IncomeTaxReceivableAgreementPayableMember_0A4B4C09E1F1A67C3C16BBA85F9A0FB2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income Tax Receivable Agreement Payable [Member] </link:label>
<link:label id="lab_ara_IncomeTaxReceivableAgreementPayableMember_0A4B4C09E1F1A67C3C16BBA85F9A0FB2_documentation_en-US" xlink:label="lab_ara_IncomeTaxReceivableAgreementPayableMember_0A4B4C09E1F1A67C3C16BBA85F9A0FB2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Primary financial statement caption encompassing income tax receivable agreement payable. </link:label>
<link:loc xlink:href="ara-20170331.xsd#ara_IncomeTaxReceivableAgreementPayableMember" xlink:label="loc_ara_IncomeTaxReceivableAgreementPayableMember_0A4B4C09E1F1A67C3C16BBA85F9A0FB2" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ara_IncomeTaxReceivableAgreementPayableMember_0A4B4C09E1F1A67C3C16BBA85F9A0FB2" xlink:to="lab_ara_IncomeTaxReceivableAgreementPayableMember_0A4B4C09E1F1A67C3C16BBA85F9A0FB2" xlink:type="arc"/>
<link:label id="lab_us-gaap_OtherNoncurrentLiabilitiesMember_CCB40F7925C8F9A3CA64BBA85F9A5907_terseLabel_en-US" xlink:label="lab_us-gaap_OtherNoncurrentLiabilitiesMember_CCB40F7925C8F9A3CA64BBA85F9A5907" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other long-term liabilities </link:label>
<link:label id="lab_us-gaap_OtherNoncurrentLiabilitiesMember_CCB40F7925C8F9A3CA64BBA85F9A5907_label_en-US" xlink:label="lab_us-gaap_OtherNoncurrentLiabilitiesMember_CCB40F7925C8F9A3CA64BBA85F9A5907" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Noncurrent Liabilities [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherNoncurrentLiabilitiesMember" xlink:label="loc_us-gaap_OtherNoncurrentLiabilitiesMember_CCB40F7925C8F9A3CA64BBA85F9A5907" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherNoncurrentLiabilitiesMember_CCB40F7925C8F9A3CA64BBA85F9A5907" xlink:to="lab_us-gaap_OtherNoncurrentLiabilitiesMember_CCB40F7925C8F9A3CA64BBA85F9A5907" xlink:type="arc"/>
<link:label id="lab_us-gaap_FairValueByMeasurementFrequencyAxis_192CE6009AEF788BEFE2BBA85F9A5360_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueByMeasurementFrequencyAxis_192CE6009AEF788BEFE2BBA85F9A5360" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Measurement Frequency [Axis] </link:label>
<link:label id="lab_us-gaap_FairValueByMeasurementFrequencyAxis_192CE6009AEF788BEFE2BBA85F9A5360_label_en-US" xlink:label="lab_us-gaap_FairValueByMeasurementFrequencyAxis_192CE6009AEF788BEFE2BBA85F9A5360" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Measurement Frequency [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FairValueByMeasurementFrequencyAxis" xlink:label="loc_us-gaap_FairValueByMeasurementFrequencyAxis_192CE6009AEF788BEFE2BBA85F9A5360" xlink:type="locator"/>
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<link:label id="lab_us-gaap_FairValueMeasurementFrequencyDomain_70BFD41A10229A543891BBA85F9A72A1_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueMeasurementFrequencyDomain_70BFD41A10229A543891BBA85F9A72A1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Fair Value, Measurement Frequency [Domain] </link:label>
<link:label id="lab_us-gaap_FairValueMeasurementFrequencyDomain_70BFD41A10229A543891BBA85F9A72A1_label_en-US" xlink:label="lab_us-gaap_FairValueMeasurementFrequencyDomain_70BFD41A10229A543891BBA85F9A72A1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Fair Value, Measurement Frequency [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FairValueMeasurementFrequencyDomain" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_70BFD41A10229A543891BBA85F9A72A1" xlink:type="locator"/>
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<link:label id="lab_us-gaap_FairValueMeasurementsRecurringMember_31066A4FCE0AC79B91CCBBA85F9AF7AC_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueMeasurementsRecurringMember_31066A4FCE0AC79B91CCBBA85F9AF7AC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Recurring basis </link:label>
<link:label id="lab_us-gaap_FairValueMeasurementsRecurringMember_31066A4FCE0AC79B91CCBBA85F9AF7AC_label_en-US" xlink:label="lab_us-gaap_FairValueMeasurementsRecurringMember_31066A4FCE0AC79B91CCBBA85F9AF7AC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Fair Value, Measurements, Recurring [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FairValueMeasurementsRecurringMember" xlink:label="loc_us-gaap_FairValueMeasurementsRecurringMember_31066A4FCE0AC79B91CCBBA85F9AF7AC" xlink:type="locator"/>
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<link:label id="lab_us-gaap_FairValueByFairValueHierarchyLevelAxis_F5F6D38E0CDB107B5151BBA85F9A4894_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueByFairValueHierarchyLevelAxis_F5F6D38E0CDB107B5151BBA85F9A4894" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Fair Value, Hierarchy [Axis] </link:label>
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<link:label id="lab_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_7CAEDC8B0102DD3CA8EFBBA85F9ACA9E_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_7CAEDC8B0102DD3CA8EFBBA85F9ACA9E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Fair Value Hierarchy [Domain] </link:label>
<link:label id="lab_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_7CAEDC8B0102DD3CA8EFBBA85F9ACA9E_label_en-US" xlink:label="lab_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_7CAEDC8B0102DD3CA8EFBBA85F9ACA9E" 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_DeferredTaxAssetsValuationAllowance_F30042A941A660B76BABBB5A52A1B1DA_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredTaxAssetsValuationAllowance_F30042A941A660B76BABBB5A52A1B1DA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Valuation allowance </link:label>
<link:label id="lab_us-gaap_DeferredTaxAssetsValuationAllowance_F30042A941A660B76BABBB5A52A1B1DA_label_en-US" xlink:label="lab_us-gaap_DeferredTaxAssetsValuationAllowance_F30042A941A660B76BABBB5A52A1B1DA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Deferred Tax Assets, Valuation Allowance </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DeferredTaxAssetsValuationAllowance" xlink:label="loc_us-gaap_DeferredTaxAssetsValuationAllowance_F30042A941A660B76BABBB5A52A1B1DA" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredTaxAssetsValuationAllowance_F30042A941A660B76BABBB5A52A1B1DA" xlink:to="lab_us-gaap_DeferredTaxAssetsValuationAllowance_F30042A941A660B76BABBB5A52A1B1DA" xlink:type="arc"/>
<link:label id="lab_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_1C37FAE8F71A72BBB6BABFE64B87859C_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_1C37FAE8F71A72BBB6BABFE64B87859C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Related Party Transactions, by Related Party [Table] </link:label>
<link:label id="lab_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_1C37FAE8F71A72BBB6BABFE64B87859C_label_en-US" xlink:label="lab_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_1C37FAE8F71A72BBB6BABFE64B87859C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Related Party Transactions, by Related Party [Table] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:label="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_1C37FAE8F71A72BBB6BABFE64B87859C" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_1C37FAE8F71A72BBB6BABFE64B87859C" xlink:to="lab_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_1C37FAE8F71A72BBB6BABFE64B87859C" xlink:type="arc"/>
<link:label id="lab_us-gaap_BeneficialOwnerMember_805D773C447A30978E6DBFE64B871638_terseLabel_en-US" xlink:label="lab_us-gaap_BeneficialOwnerMember_805D773C447A30978E6DBFE64B871638" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Centerbridge </link:label>
<link:label id="lab_us-gaap_BeneficialOwnerMember_805D773C447A30978E6DBFE64B871638_label_en-US" xlink:label="lab_us-gaap_BeneficialOwnerMember_805D773C447A30978E6DBFE64B871638" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Beneficial Owner [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_BeneficialOwnerMember" xlink:label="loc_us-gaap_BeneficialOwnerMember_805D773C447A30978E6DBFE64B871638" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BeneficialOwnerMember_805D773C447A30978E6DBFE64B871638" xlink:to="lab_us-gaap_BeneficialOwnerMember_805D773C447A30978E6DBFE64B871638" xlink:type="arc"/>
<link:label id="lab_us-gaap_RelatedPartyTransactionAxis_5177B1B4ACFBB92C8F07BFE64B8739D6_terseLabel_en-US" xlink:label="lab_us-gaap_RelatedPartyTransactionAxis_5177B1B4ACFBB92C8F07BFE64B8739D6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Related Party Transaction [Axis] </link:label>
<link:label id="lab_us-gaap_RelatedPartyTransactionAxis_5177B1B4ACFBB92C8F07BFE64B8739D6_label_en-US" xlink:label="lab_us-gaap_RelatedPartyTransactionAxis_5177B1B4ACFBB92C8F07BFE64B8739D6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Related Party Transaction [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RelatedPartyTransactionAxis" xlink:label="loc_us-gaap_RelatedPartyTransactionAxis_5177B1B4ACFBB92C8F07BFE64B8739D6" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RelatedPartyTransactionAxis_5177B1B4ACFBB92C8F07BFE64B8739D6" xlink:to="lab_us-gaap_RelatedPartyTransactionAxis_5177B1B4ACFBB92C8F07BFE64B8739D6" xlink:type="arc"/>
<link:label id="lab_us-gaap_RelatedPartyTransactionDomain_A6756ADECBEB702E4F2DBFE64B87B286_terseLabel_en-US" xlink:label="lab_us-gaap_RelatedPartyTransactionDomain_A6756ADECBEB702E4F2DBFE64B87B286" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Related Party Transaction [Domain] </link:label>
<link:label id="lab_us-gaap_RelatedPartyTransactionDomain_A6756ADECBEB702E4F2DBFE64B87B286_label_en-US" xlink:label="lab_us-gaap_RelatedPartyTransactionDomain_A6756ADECBEB702E4F2DBFE64B87B286" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Related Party Transaction [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RelatedPartyTransactionDomain" xlink:label="loc_us-gaap_RelatedPartyTransactionDomain_A6756ADECBEB702E4F2DBFE64B87B286" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RelatedPartyTransactionDomain_A6756ADECBEB702E4F2DBFE64B87B286" xlink:to="lab_us-gaap_RelatedPartyTransactionDomain_A6756ADECBEB702E4F2DBFE64B87B286" xlink:type="arc"/>
<link:label id="lab_ara_AdvisoryServicesAgreementMember_67F0B3DF10474F1D3F57BFE64B87CC90_terseLabel_en-US" xlink:label="lab_ara_AdvisoryServicesAgreementMember_67F0B3DF10474F1D3F57BFE64B87CC90" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Advisory services agreement </link:label>
<link:label id="lab_ara_AdvisoryServicesAgreementMember_67F0B3DF10474F1D3F57BFE64B87CC90_label_en-US" xlink:label="lab_ara_AdvisoryServicesAgreementMember_67F0B3DF10474F1D3F57BFE64B87CC90" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Advisory Services Agreement [Member] </link:label>
<link:label id="lab_ara_AdvisoryServicesAgreementMember_67F0B3DF10474F1D3F57BFE64B87CC90_documentation_en-US" xlink:label="lab_ara_AdvisoryServicesAgreementMember_67F0B3DF10474F1D3F57BFE64B87CC90" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represent Information pertaining to Advisory Services Agreement. </link:label>
<link:loc xlink:href="ara-20170331.xsd#ara_AdvisoryServicesAgreementMember" xlink:label="loc_ara_AdvisoryServicesAgreementMember_67F0B3DF10474F1D3F57BFE64B87CC90" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ara_AdvisoryServicesAgreementMember_67F0B3DF10474F1D3F57BFE64B87CC90" xlink:to="lab_ara_AdvisoryServicesAgreementMember_67F0B3DF10474F1D3F57BFE64B87CC90" xlink:type="arc"/>
<link:label id="lab_ara_SubleaseAgreementMember_BABB8E304BB421D959C1BFE64B87E9E5_terseLabel_en-US" xlink:label="lab_ara_SubleaseAgreementMember_BABB8E304BB421D959C1BFE64B87E9E5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Sublease agreement </link:label>
<link:label id="lab_ara_SubleaseAgreementMember_BABB8E304BB421D959C1BFE64B87E9E5_label_en-US" xlink:label="lab_ara_SubleaseAgreementMember_BABB8E304BB421D959C1BFE64B87E9E5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Sublease Agreement [Member] </link:label>
<link:label id="lab_ara_SubleaseAgreementMember_BABB8E304BB421D959C1BFE64B87E9E5_documentation_en-US" xlink:label="lab_ara_SubleaseAgreementMember_BABB8E304BB421D959C1BFE64B87E9E5" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the information pertaining to Sub lease agreement. </link:label>
<link:loc xlink:href="ara-20170331.xsd#ara_SubleaseAgreementMember" xlink:label="loc_ara_SubleaseAgreementMember_BABB8E304BB421D959C1BFE64B87E9E5" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ara_SubleaseAgreementMember_BABB8E304BB421D959C1BFE64B87E9E5" xlink:to="lab_ara_SubleaseAgreementMember_BABB8E304BB421D959C1BFE64B87E9E5" xlink:type="arc"/>
<link:label id="lab_us-gaap_RelatedPartyTransactionLineItems_C2C126B8A8272553318FBFE64B876DFD_terseLabel_en-US" xlink:label="lab_us-gaap_RelatedPartyTransactionLineItems_C2C126B8A8272553318FBFE64B876DFD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> RELATED PARTY TRANSACTIONS </link:label>
<link:label id="lab_us-gaap_RelatedPartyTransactionLineItems_C2C126B8A8272553318FBFE64B876DFD_label_en-US" xlink:label="lab_us-gaap_RelatedPartyTransactionLineItems_C2C126B8A8272553318FBFE64B876DFD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Related Party Transaction [Line Items] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RelatedPartyTransactionLineItems" xlink:label="loc_us-gaap_RelatedPartyTransactionLineItems_C2C126B8A8272553318FBFE64B876DFD" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_C2C126B8A8272553318FBFE64B876DFD" xlink:to="lab_us-gaap_RelatedPartyTransactionLineItems_C2C126B8A8272553318FBFE64B876DFD" xlink:type="arc"/>
<link:label id="lab_ara_PeriodOfWeightedAverageMaturity_03FFAF96ED48D2F105CBBFE64B879F09_terseLabel_en-US" xlink:label="lab_ara_PeriodOfWeightedAverageMaturity_03FFAF96ED48D2F105CBBFE64B879F09" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Period of weighted average maturity, clinic loans </link:label>
<link:label id="lab_ara_PeriodOfWeightedAverageMaturity_03FFAF96ED48D2F105CBBFE64B879F09_label_en-US" xlink:label="lab_ara_PeriodOfWeightedAverageMaturity_03FFAF96ED48D2F105CBBFE64B879F09" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Period Of Weighted Average Maturity </link:label>
<link:label id="lab_ara_PeriodOfWeightedAverageMaturity_03FFAF96ED48D2F105CBBFE64B879F09_documentation_en-US" xlink:label="lab_ara_PeriodOfWeightedAverageMaturity_03FFAF96ED48D2F105CBBFE64B879F09" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Weighted average maturity (weighted by amount of the agreement), in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. </link:label>
<link:loc xlink:href="ara-20170331.xsd#ara_PeriodOfWeightedAverageMaturity" xlink:label="loc_ara_PeriodOfWeightedAverageMaturity_03FFAF96ED48D2F105CBBFE64B879F09" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ara_PeriodOfWeightedAverageMaturity_03FFAF96ED48D2F105CBBFE64B879F09" xlink:to="lab_ara_PeriodOfWeightedAverageMaturity_03FFAF96ED48D2F105CBBFE64B879F09" xlink:type="arc"/>
<link:label id="lab_us-gaap_DebtInstrumentInterestRateStatedPercentage_2AB9EE6B76B40B1B10AFBFE64B87F583_verboseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentInterestRateStatedPercentage_2AB9EE6B76B40B1B10AFBFE64B87F583" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Interest rate </link:label>
<link:label id="lab_us-gaap_DebtInstrumentInterestRateStatedPercentage_2AB9EE6B76B40B1B10AFBFE64B87F583_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentInterestRateStatedPercentage_2AB9EE6B76B40B1B10AFBFE64B87F583" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Interest Rate, Stated Percentage </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_2AB9EE6B76B40B1B10AFBFE64B87F583" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_2AB9EE6B76B40B1B10AFBFE64B87F583" xlink:to="lab_us-gaap_DebtInstrumentInterestRateStatedPercentage_2AB9EE6B76B40B1B10AFBFE64B87F583" xlink:type="arc"/>
<link:label id="lab_us-gaap_DebtWeightedAverageInterestRate_945083459C61BB3DEC13BFE64B87C627_terseLabel_en-US" xlink:label="lab_us-gaap_DebtWeightedAverageInterestRate_945083459C61BB3DEC13BFE64B87C627" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Weighted average interest rate, clinic loans </link:label>
<link:label id="lab_us-gaap_DebtWeightedAverageInterestRate_945083459C61BB3DEC13BFE64B87C627_label_en-US" xlink:label="lab_us-gaap_DebtWeightedAverageInterestRate_945083459C61BB3DEC13BFE64B87C627" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt, Weighted Average Interest Rate </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtWeightedAverageInterestRate" xlink:label="loc_us-gaap_DebtWeightedAverageInterestRate_945083459C61BB3DEC13BFE64B87C627" xlink:type="locator"/>
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<link:label id="lab_us-gaap_GuaranteeObligationsMaximumExposure_A722DBFC005A5A538D69BFE64B8743E3_terseLabel_en-US" xlink:label="lab_us-gaap_GuaranteeObligationsMaximumExposure_A722DBFC005A5A538D69BFE64B8743E3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Maximum potential liability for future payments </link:label>
<link:label id="lab_us-gaap_GuaranteeObligationsMaximumExposure_A722DBFC005A5A538D69BFE64B8743E3_label_en-US" xlink:label="lab_us-gaap_GuaranteeObligationsMaximumExposure_A722DBFC005A5A538D69BFE64B8743E3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Guarantor Obligations, Maximum Exposure, Undiscounted </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_GuaranteeObligationsMaximumExposure" xlink:label="loc_us-gaap_GuaranteeObligationsMaximumExposure_A722DBFC005A5A538D69BFE64B8743E3" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GuaranteeObligationsMaximumExposure_A722DBFC005A5A538D69BFE64B8743E3" xlink:to="lab_us-gaap_GuaranteeObligationsMaximumExposure_A722DBFC005A5A538D69BFE64B8743E3" xlink:type="arc"/>
<link:label id="lab_us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty_E2C378624C4245B5D0F9BFE64B8785B9_terseLabel_en-US" xlink:label="lab_us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty_E2C378624C4245B5D0F9BFE64B8785B9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Advisory services agreement fee </link:label>
<link:label id="lab_us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty_E2C378624C4245B5D0F9BFE64B8785B9_label_en-US" xlink:label="lab_us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty_E2C378624C4245B5D0F9BFE64B8785B9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Related Party Transaction, Expenses from Transactions with Related Party </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty" xlink:label="loc_us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty_E2C378624C4245B5D0F9BFE64B8785B9" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty_E2C378624C4245B5D0F9BFE64B8785B9" xlink:to="lab_us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty_E2C378624C4245B5D0F9BFE64B8785B9" xlink:type="arc"/>
<link:label id="lab_ara_RelatedPartyTransactionExpensesPercentageOfEarningsBeforeInterestTaxesDepreciationAndAmortization_97C5A8713063F48100A8BFE64B875345_terseLabel_en-US" xlink:label="lab_ara_RelatedPartyTransactionExpensesPercentageOfEarningsBeforeInterestTaxesDepreciationAndAmortization_97C5A8713063F48100A8BFE64B875345" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Annual advisory services fee to Centerbridge, percentage of EBITDA </link:label>
<link:label id="lab_ara_RelatedPartyTransactionExpensesPercentageOfEarningsBeforeInterestTaxesDepreciationAndAmortization_97C5A8713063F48100A8BFE64B875345_label_en-US" xlink:label="lab_ara_RelatedPartyTransactionExpensesPercentageOfEarningsBeforeInterestTaxesDepreciationAndAmortization_97C5A8713063F48100A8BFE64B875345" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Related Party Transaction Expenses Percentage Of Earnings Before Interest Taxes Depreciation And Amortization </link:label>
<link:label id="lab_ara_RelatedPartyTransactionExpensesPercentageOfEarningsBeforeInterestTaxesDepreciationAndAmortization_97C5A8713063F48100A8BFE64B875345_documentation_en-US" xlink:label="lab_ara_RelatedPartyTransactionExpensesPercentageOfEarningsBeforeInterestTaxesDepreciationAndAmortization_97C5A8713063F48100A8BFE64B875345" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Advisory service fee as a percentage of earnings before interest, taxes, depreciation and amortization, EBITDA. </link:label>
<link:loc xlink:href="ara-20170331.xsd#ara_RelatedPartyTransactionExpensesPercentageOfEarningsBeforeInterestTaxesDepreciationAndAmortization" xlink:label="loc_ara_RelatedPartyTransactionExpensesPercentageOfEarningsBeforeInterestTaxesDepreciationAndAmortization_97C5A8713063F48100A8BFE64B875345" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ara_RelatedPartyTransactionExpensesPercentageOfEarningsBeforeInterestTaxesDepreciationAndAmortization_97C5A8713063F48100A8BFE64B875345" xlink:to="lab_ara_RelatedPartyTransactionExpensesPercentageOfEarningsBeforeInterestTaxesDepreciationAndAmortization_97C5A8713063F48100A8BFE64B875345" xlink:type="arc"/>
<link:label id="lab_ara_RelatedPartyTransactionExpensesIncentiveFeeExpense_0AE72C950727119BC2D9BFE64B87437A_terseLabel_en-US" xlink:label="lab_ara_RelatedPartyTransactionExpensesIncentiveFeeExpense_0AE72C950727119BC2D9BFE64B87437A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Additional fee equal to a percentage of the enterprise value and/or aggregate value </link:label>
<link:label id="lab_ara_RelatedPartyTransactionExpensesIncentiveFeeExpense_0AE72C950727119BC2D9BFE64B87437A_label_en-US" xlink:label="lab_ara_RelatedPartyTransactionExpensesIncentiveFeeExpense_0AE72C950727119BC2D9BFE64B87437A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Related Party Transaction Expenses Incentive Fee Expense </link:label>
<link:label id="lab_ara_RelatedPartyTransactionExpensesIncentiveFeeExpense_0AE72C950727119BC2D9BFE64B87437A_documentation_en-US" xlink:label="lab_ara_RelatedPartyTransactionExpensesIncentiveFeeExpense_0AE72C950727119BC2D9BFE64B87437A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Additional fee equal to a percentage of the enterprise value and/or aggregate value, as applicable, for any future fundamental or significant transactions. </link:label>
<link:loc xlink:href="ara-20170331.xsd#ara_RelatedPartyTransactionExpensesIncentiveFeeExpense" xlink:label="loc_ara_RelatedPartyTransactionExpensesIncentiveFeeExpense_0AE72C950727119BC2D9BFE64B87437A" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ara_RelatedPartyTransactionExpensesIncentiveFeeExpense_0AE72C950727119BC2D9BFE64B87437A" xlink:to="lab_ara_RelatedPartyTransactionExpensesIncentiveFeeExpense_0AE72C950727119BC2D9BFE64B87437A" xlink:type="arc"/>
<link:label id="lab_us-gaap_NotesPayableRelatedPartiesClassifiedCurrent_BF7C1E023B70C41EB891BFE64B87880E_terseLabel_en-US" xlink:label="lab_us-gaap_NotesPayableRelatedPartiesClassifiedCurrent_BF7C1E023B70C41EB891BFE64B87880E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Total amount of initial financing </link:label>
<link:label id="lab_us-gaap_NotesPayableRelatedPartiesClassifiedCurrent_BF7C1E023B70C41EB891BFE64B87880E_label_en-US" xlink:label="lab_us-gaap_NotesPayableRelatedPartiesClassifiedCurrent_BF7C1E023B70C41EB891BFE64B87880E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Notes Payable, Related Parties, Current </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NotesPayableRelatedPartiesClassifiedCurrent" xlink:label="loc_us-gaap_NotesPayableRelatedPartiesClassifiedCurrent_BF7C1E023B70C41EB891BFE64B87880E" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NotesPayableRelatedPartiesClassifiedCurrent_BF7C1E023B70C41EB891BFE64B87880E" xlink:to="lab_us-gaap_NotesPayableRelatedPartiesClassifiedCurrent_BF7C1E023B70C41EB891BFE64B87880E" xlink:type="arc"/>
<link:label id="lab_us-gaap_DueToRelatedPartiesCurrent_18B588EED8FC3FCA76B7BFE64B878950_terseLabel_en-US" xlink:label="lab_us-gaap_DueToRelatedPartiesCurrent_18B588EED8FC3FCA76B7BFE64B878950" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Amount outstanding </link:label>
<link:label id="lab_us-gaap_DueToRelatedPartiesCurrent_18B588EED8FC3FCA76B7BFE64B878950_label_en-US" xlink:label="lab_us-gaap_DueToRelatedPartiesCurrent_18B588EED8FC3FCA76B7BFE64B878950" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Due to Related Parties, Current </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DueToRelatedPartiesCurrent" xlink:label="loc_us-gaap_DueToRelatedPartiesCurrent_18B588EED8FC3FCA76B7BFE64B878950" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DueToRelatedPartiesCurrent_18B588EED8FC3FCA76B7BFE64B878950" xlink:to="lab_us-gaap_DueToRelatedPartiesCurrent_18B588EED8FC3FCA76B7BFE64B878950" xlink:type="arc"/>
<link:label id="lab_us-gaap_StatementOfCashFlowsAbstract_C23371972FECEB8A5C3BCEB5FEFAB0FF_label_en-US" xlink:label="lab_us-gaap_StatementOfCashFlowsAbstract_C23371972FECEB8A5C3BCEB5FEFAB0FF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Statement of Cash Flows [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementOfCashFlowsAbstract" xlink:label="loc_us-gaap_StatementOfCashFlowsAbstract_C23371972FECEB8A5C3BCEB5FEFAB0FF" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_C23371972FECEB8A5C3BCEB5FEFAB0FF" xlink:to="lab_us-gaap_StatementOfCashFlowsAbstract_C23371972FECEB8A5C3BCEB5FEFAB0FF" xlink:type="arc"/>
<link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_1E110F126B8525DAC766CEB5FEFBDD2A_terseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_1E110F126B8525DAC766CEB5FEFBDD2A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Operating activities </link:label>
<link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_1E110F126B8525DAC766CEB5FEFBDD2A_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_1E110F126B8525DAC766CEB5FEFBDD2A" 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>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_1E110F126B8525DAC766CEB5FEFBDD2A" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_1E110F126B8525DAC766CEB5FEFBDD2A" xlink:to="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_1E110F126B8525DAC766CEB5FEFBDD2A" xlink:type="arc"/>
<link:label id="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_11F48F18717A452DBAC3CEB5FEFBD17D_terseLabel_en-US" xlink:label="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_11F48F18717A452DBAC3CEB5FEFBD17D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Adjustments to reconcile net income to cash provided by operating activities: </link:label>
<link:label id="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_11F48F18717A452DBAC3CEB5FEFBD17D_label_en-US" xlink:label="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_11F48F18717A452DBAC3CEB5FEFBD17D" 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>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_11F48F18717A452DBAC3CEB5FEFBD17D" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_11F48F18717A452DBAC3CEB5FEFBD17D" xlink:to="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_11F48F18717A452DBAC3CEB5FEFBD17D" xlink:type="arc"/>
<link:label id="lab_us-gaap_DepreciationDepletionAndAmortization_2AF9F84509E58BEB3D38CEB5FEFB2762_terseLabel_en-US" xlink:label="lab_us-gaap_DepreciationDepletionAndAmortization_2AF9F84509E58BEB3D38CEB5FEFB2762" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Depreciation and amortization </link:label>
<link:label id="lab_us-gaap_DepreciationDepletionAndAmortization_2AF9F84509E58BEB3D38CEB5FEFB2762_label_en-US" xlink:label="lab_us-gaap_DepreciationDepletionAndAmortization_2AF9F84509E58BEB3D38CEB5FEFB2762" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Depreciation, Depletion and Amortization </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DepreciationDepletionAndAmortization" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_2AF9F84509E58BEB3D38CEB5FEFB2762" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DepreciationDepletionAndAmortization_2AF9F84509E58BEB3D38CEB5FEFB2762" xlink:to="lab_us-gaap_DepreciationDepletionAndAmortization_2AF9F84509E58BEB3D38CEB5FEFB2762" xlink:type="arc"/>
<link:label id="lab_us-gaap_AmortizationOfFinancingCostsAndDiscounts_5C365BE114299A5F8D78CEB5FEFBD29B_terseLabel_en-US" xlink:label="lab_us-gaap_AmortizationOfFinancingCostsAndDiscounts_5C365BE114299A5F8D78CEB5FEFBD29B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Amortization of discounts, fees and deferred financing costs </link:label>
<link:label id="lab_us-gaap_AmortizationOfFinancingCostsAndDiscounts_5C365BE114299A5F8D78CEB5FEFBD29B_label_en-US" xlink:label="lab_us-gaap_AmortizationOfFinancingCostsAndDiscounts_5C365BE114299A5F8D78CEB5FEFBD29B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Amortization of Debt Issuance Costs and Discounts </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AmortizationOfFinancingCostsAndDiscounts" xlink:label="loc_us-gaap_AmortizationOfFinancingCostsAndDiscounts_5C365BE114299A5F8D78CEB5FEFBD29B" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AmortizationOfFinancingCostsAndDiscounts_5C365BE114299A5F8D78CEB5FEFBD29B" xlink:to="lab_us-gaap_AmortizationOfFinancingCostsAndDiscounts_5C365BE114299A5F8D78CEB5FEFBD29B" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShareBasedCompensation_27BD451534EF8757C4B1CEB5FEFB2571_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensation_27BD451534EF8757C4B1CEB5FEFB2571" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Stock-based compensation </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensation_27BD451534EF8757C4B1CEB5FEFB2571_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensation_27BD451534EF8757C4B1CEB5FEFB2571" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensation" xlink:label="loc_us-gaap_ShareBasedCompensation_27BD451534EF8757C4B1CEB5FEFB2571" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensation_27BD451534EF8757C4B1CEB5FEFB2571" xlink:to="lab_us-gaap_ShareBasedCompensation_27BD451534EF8757C4B1CEB5FEFB2571" xlink:type="arc"/>
<link:label id="lab_ara_PaymentsforPremiumonInterestRateCapAgreements_23E6A9D77FBBEEA17AEECEB5FEFB552D_negatedTerseLabel_en-US" xlink:label="lab_ara_PaymentsforPremiumonInterestRateCapAgreements_23E6A9D77FBBEEA17AEECEB5FEFB552D" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Premium paid for interest rate cap agreements </link:label>
<link:label id="lab_ara_PaymentsforPremiumonInterestRateCapAgreements_23E6A9D77FBBEEA17AEECEB5FEFB552D_label_en-US" xlink:label="lab_ara_PaymentsforPremiumonInterestRateCapAgreements_23E6A9D77FBBEEA17AEECEB5FEFB552D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Payments for Premium on Interest Rate Cap Agreements </link:label>
<link:label id="lab_ara_PaymentsforPremiumonInterestRateCapAgreements_23E6A9D77FBBEEA17AEECEB5FEFB552D_documentation_en-US" xlink:label="lab_ara_PaymentsforPremiumonInterestRateCapAgreements_23E6A9D77FBBEEA17AEECEB5FEFB552D" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Payments for Premium on Interest Rate Cap Agreements </link:label>
<link:loc xlink:href="ara-20170331.xsd#ara_PaymentsforPremiumonInterestRateCapAgreements" xlink:label="loc_ara_PaymentsforPremiumonInterestRateCapAgreements_23E6A9D77FBBEEA17AEECEB5FEFB552D" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ara_PaymentsforPremiumonInterestRateCapAgreements_23E6A9D77FBBEEA17AEECEB5FEFB552D" xlink:to="lab_ara_PaymentsforPremiumonInterestRateCapAgreements_23E6A9D77FBBEEA17AEECEB5FEFB552D" xlink:type="arc"/>
<link:label id="lab_us-gaap_DeferredIncomeTaxExpenseBenefit_FE06930AB5D34A70167ECEB5FEFB9D63_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredIncomeTaxExpenseBenefit_FE06930AB5D34A70167ECEB5FEFB9D63" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Deferred taxes </link:label>
<link:label id="lab_us-gaap_DeferredIncomeTaxExpenseBenefit_FE06930AB5D34A70167ECEB5FEFB9D63_label_en-US" xlink:label="lab_us-gaap_DeferredIncomeTaxExpenseBenefit_FE06930AB5D34A70167ECEB5FEFB9D63" 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/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_FE06930AB5D34A70167ECEB5FEFB9D63" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_FE06930AB5D34A70167ECEB5FEFB9D63" xlink:to="lab_us-gaap_DeferredIncomeTaxExpenseBenefit_FE06930AB5D34A70167ECEB5FEFB9D63" xlink:type="arc"/>
<link:label id="lab_ara_IncomeTaxReceivableAgreementIncome_4CDE9C0B5B08D1C4F927CEB5FEFBFE55_negatedLabel_en-US" xlink:label="lab_ara_IncomeTaxReceivableAgreementIncome_4CDE9C0B5B08D1C4F927CEB5FEFBFE55" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Income tax receivable agreement income </link:label>
<link:loc xlink:href="ara-20170331.xsd#ara_IncomeTaxReceivableAgreementIncome" xlink:label="loc_ara_IncomeTaxReceivableAgreementIncome_4CDE9C0B5B08D1C4F927CEB5FEFBFE55" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ara_IncomeTaxReceivableAgreementIncome_4CDE9C0B5B08D1C4F927CEB5FEFBFE55" xlink:to="lab_ara_IncomeTaxReceivableAgreementIncome_4CDE9C0B5B08D1C4F927CEB5FEFBFE55" xlink:type="arc"/>
<link:label id="lab_us-gaap_IncreaseDecreaseInDerivativeAssetsAndLiabilities_2AE9A5A993EC48A1C0BECEB5FEFBB541_negatedLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInDerivativeAssetsAndLiabilities_2AE9A5A993EC48A1C0BECEB5FEFBB541" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Non-cash charge related to derivative agreements </link:label>
<link:label id="lab_us-gaap_IncreaseDecreaseInDerivativeAssetsAndLiabilities_2AE9A5A993EC48A1C0BECEB5FEFBB541_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInDerivativeAssetsAndLiabilities_2AE9A5A993EC48A1C0BECEB5FEFBB541" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Increase (Decrease) in Derivative Assets and Liabilities </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncreaseDecreaseInDerivativeAssetsAndLiabilities" xlink:label="loc_us-gaap_IncreaseDecreaseInDerivativeAssetsAndLiabilities_2AE9A5A993EC48A1C0BECEB5FEFBB541" xlink:type="locator"/>
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<link:label id="lab_us-gaap_OtherNoncashExpense_2F9B4C72FC207507964CCEB5FEFB9FB3_terseLabel_en-US" xlink:label="lab_us-gaap_OtherNoncashExpense_2F9B4C72FC207507964CCEB5FEFB9FB3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Non-cash rent charges </link:label>
<link:label id="lab_us-gaap_OtherNoncashExpense_2F9B4C72FC207507964CCEB5FEFB9FB3_label_en-US" xlink:label="lab_us-gaap_OtherNoncashExpense_2F9B4C72FC207507964CCEB5FEFB9FB3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Noncash Expense </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherNoncashExpense" xlink:label="loc_us-gaap_OtherNoncashExpense_2F9B4C72FC207507964CCEB5FEFB9FB3" xlink:type="locator"/>
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<link:label id="lab_us-gaap_GainLossOnDispositionOfAssets1_6911648015AA1C6A15E7CEB5FEFB6EAA_negatedLabel_en-US" xlink:label="lab_us-gaap_GainLossOnDispositionOfAssets1_6911648015AA1C6A15E7CEB5FEFB6EAA" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Loss on disposal of assets </link:label>
<link:label id="lab_us-gaap_GainLossOnDispositionOfAssets1_6911648015AA1C6A15E7CEB5FEFB6EAA_label_en-US" xlink:label="lab_us-gaap_GainLossOnDispositionOfAssets1_6911648015AA1C6A15E7CEB5FEFB6EAA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Gain (Loss) on Disposition of Assets </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_GainLossOnDispositionOfAssets1" xlink:label="loc_us-gaap_GainLossOnDispositionOfAssets1_6911648015AA1C6A15E7CEB5FEFB6EAA" xlink:type="locator"/>
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<link:label id="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_0E6332C3BF509E4C9F9FCEB5FEFC9E81_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_0E6332C3BF509E4C9F9FCEB5FEFC9E81" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Change in operating assets and liabilities, net of acquisitions: </link:label>
<link:label id="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_0E6332C3BF509E4C9F9FCEB5FEFC9E81_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_0E6332C3BF509E4C9F9FCEB5FEFC9E81" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Increase (Decrease) in Operating Capital [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:label="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_0E6332C3BF509E4C9F9FCEB5FEFC9E81" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_0E6332C3BF509E4C9F9FCEB5FEFC9E81" xlink:to="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_0E6332C3BF509E4C9F9FCEB5FEFC9E81" xlink:type="arc"/>
<link:label id="lab_us-gaap_IncreaseDecreaseInAccountsReceivable_6E0A700EF1B359E773C0CEB5FEFC6688_negatedLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsReceivable_6E0A700EF1B359E773C0CEB5FEFC6688" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Accounts receivable </link:label>
<link:label id="lab_us-gaap_IncreaseDecreaseInAccountsReceivable_6E0A700EF1B359E773C0CEB5FEFC6688_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsReceivable_6E0A700EF1B359E773C0CEB5FEFC6688" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Increase (Decrease) in Accounts Receivable </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_6E0A700EF1B359E773C0CEB5FEFC6688" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_6E0A700EF1B359E773C0CEB5FEFC6688" xlink:to="lab_us-gaap_IncreaseDecreaseInAccountsReceivable_6E0A700EF1B359E773C0CEB5FEFC6688" xlink:type="arc"/>
<link:label id="lab_us-gaap_IncreaseDecreaseInInventories_8701BB3D8ED3725FDD47CEB5FEFC6F11_negatedLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInInventories_8701BB3D8ED3725FDD47CEB5FEFC6F11" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Inventories </link:label>
<link:label id="lab_us-gaap_IncreaseDecreaseInInventories_8701BB3D8ED3725FDD47CEB5FEFC6F11_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInInventories_8701BB3D8ED3725FDD47CEB5FEFC6F11" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Increase (Decrease) in Inventories </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncreaseDecreaseInInventories" xlink:label="loc_us-gaap_IncreaseDecreaseInInventories_8701BB3D8ED3725FDD47CEB5FEFC6F11" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInInventories_8701BB3D8ED3725FDD47CEB5FEFC6F11" xlink:to="lab_us-gaap_IncreaseDecreaseInInventories_8701BB3D8ED3725FDD47CEB5FEFC6F11" xlink:type="arc"/>
<link:label id="lab_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_E4E5F8580694B7E407ECCEB5FEFC6840_negatedLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_E4E5F8580694B7E407ECCEB5FEFC6840" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Prepaid expenses and other current assets </link:label>
<link:label id="lab_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_E4E5F8580694B7E407ECCEB5FEFC6840_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_E4E5F8580694B7E407ECCEB5FEFC6840" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Increase (Decrease) in Prepaid Expense and Other Assets </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" xlink:label="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_E4E5F8580694B7E407ECCEB5FEFC6840" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_E4E5F8580694B7E407ECCEB5FEFC6840" xlink:to="lab_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_E4E5F8580694B7E407ECCEB5FEFC6840" xlink:type="arc"/>
<link:label id="lab_us-gaap_IncreaseDecreaseInOtherOperatingAssets_799A91B5F9A9E1200DDFCEB5FEFCFFF2_negatedLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOtherOperatingAssets_799A91B5F9A9E1200DDFCEB5FEFCFFF2" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Other assets </link:label>
<link:label id="lab_us-gaap_IncreaseDecreaseInOtherOperatingAssets_799A91B5F9A9E1200DDFCEB5FEFCFFF2_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOtherOperatingAssets_799A91B5F9A9E1200DDFCEB5FEFCFFF2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Increase (Decrease) in Other Operating Assets </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingAssets" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssets_799A91B5F9A9E1200DDFCEB5FEFCFFF2" xlink:type="locator"/>
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<link:label id="lab_us-gaap_IncreaseDecreaseInAccountsPayable_4C4031F378552DC8C2D2CEB5FEFC1E06_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsPayable_4C4031F378552DC8C2D2CEB5FEFC1E06" 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_4C4031F378552DC8C2D2CEB5FEFC1E06_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsPayable_4C4031F378552DC8C2D2CEB5FEFC1E06" 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/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayable" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayable_4C4031F378552DC8C2D2CEB5FEFC1E06" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInAccountsPayable_4C4031F378552DC8C2D2CEB5FEFC1E06" xlink:to="lab_us-gaap_IncreaseDecreaseInAccountsPayable_4C4031F378552DC8C2D2CEB5FEFC1E06" xlink:type="arc"/>
<link:label id="lab_us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities_06806E1A27D416D81686CEB5FEFC4D65_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities_06806E1A27D416D81686CEB5FEFC4D65" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accrued compensation and benefits </link:label>
<link:label id="lab_us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities_06806E1A27D416D81686CEB5FEFC4D65_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities_06806E1A27D416D81686CEB5FEFC4D65" 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/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities" xlink:label="loc_us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities_06806E1A27D416D81686CEB5FEFC4D65" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities_06806E1A27D416D81686CEB5FEFC4D65" xlink:to="lab_us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities_06806E1A27D416D81686CEB5FEFC4D65" xlink:type="arc"/>
<link:label id="lab_us-gaap_IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities_E7AE6023E43CB6D39D97CEB5FEFC6B30_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities_E7AE6023E43CB6D39D97CEB5FEFC6B30" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accrued expenses and other liabilities </link:label>
<link:label id="lab_us-gaap_IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities_E7AE6023E43CB6D39D97CEB5FEFC6B30_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities_E7AE6023E43CB6D39D97CEB5FEFC6B30" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Increase (Decrease) in Accrued Liabilities and Other Operating Liabilities </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities" xlink:label="loc_us-gaap_IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities_E7AE6023E43CB6D39D97CEB5FEFC6B30" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities_E7AE6023E43CB6D39D97CEB5FEFC6B30" xlink:to="lab_us-gaap_IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities_E7AE6023E43CB6D39D97CEB5FEFC6B30" xlink:type="arc"/>
<link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_C8AF69FABA57EECC3EC6CEB5FEFC121A_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_C8AF69FABA57EECC3EC6CEB5FEFC121A" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Cash provided by operating activities </link:label>
<link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_C8AF69FABA57EECC3EC6CEB5FEFC121A_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_C8AF69FABA57EECC3EC6CEB5FEFC121A" 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/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_C8AF69FABA57EECC3EC6CEB5FEFC121A" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_C8AF69FABA57EECC3EC6CEB5FEFC121A" xlink:to="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_C8AF69FABA57EECC3EC6CEB5FEFC121A" xlink:type="arc"/>
<link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_F24B389FA47AD29BF0CDCEB5FEFC9B35_terseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_F24B389FA47AD29BF0CDCEB5FEFC9B35" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Investing activities </link:label>
<link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_F24B389FA47AD29BF0CDCEB5FEFC9B35_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_F24B389FA47AD29BF0CDCEB5FEFC9B35" 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/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_F24B389FA47AD29BF0CDCEB5FEFC9B35" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_F24B389FA47AD29BF0CDCEB5FEFC9B35" xlink:to="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_F24B389FA47AD29BF0CDCEB5FEFC9B35" xlink:type="arc"/>
<link:label id="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_5AC5BAEFEA6C4384E7BECEB5FEFC18EC_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_5AC5BAEFEA6C4384E7BECEB5FEFC18EC" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Purchases of property, equipment and intangible assets </link:label>
<link:label id="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_5AC5BAEFEA6C4384E7BECEB5FEFC18EC_label_en-US" xlink:label="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_5AC5BAEFEA6C4384E7BECEB5FEFC18EC" 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/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_5AC5BAEFEA6C4384E7BECEB5FEFC18EC" xlink:type="locator"/>
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<link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_D1B72391354177BF7367CEB5FEFCC15D_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_D1B72391354177BF7367CEB5FEFCC15D" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Cash used in investing activities </link:label>
<link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_D1B72391354177BF7367CEB5FEFCC15D_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_D1B72391354177BF7367CEB5FEFCC15D" 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/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_D1B72391354177BF7367CEB5FEFCC15D" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_D1B72391354177BF7367CEB5FEFCC15D" xlink:to="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_D1B72391354177BF7367CEB5FEFCC15D" xlink:type="arc"/>
<link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_54E6CABEC094BFFF9AABCEB5FEFC2F87_terseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_54E6CABEC094BFFF9AABCEB5FEFC2F87" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Financing activities </link:label>
<link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_54E6CABEC094BFFF9AABCEB5FEFC2F87_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_54E6CABEC094BFFF9AABCEB5FEFC2F87" 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/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_54E6CABEC094BFFF9AABCEB5FEFC2F87" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_54E6CABEC094BFFF9AABCEB5FEFC2F87" xlink:to="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_54E6CABEC094BFFF9AABCEB5FEFC2F87" xlink:type="arc"/>
<link:label id="lab_us-gaap_ProceedsFromIssuanceOfDebt_EB2509B73374212971B8CEB5FEFCF86E_verboseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromIssuanceOfDebt_EB2509B73374212971B8CEB5FEFCF86E" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Proceeds from term loans, net of deferred financing costs </link:label>
<link:label id="lab_us-gaap_ProceedsFromIssuanceOfDebt_EB2509B73374212971B8CEB5FEFCF86E_label_en-US" xlink:label="lab_us-gaap_ProceedsFromIssuanceOfDebt_EB2509B73374212971B8CEB5FEFCF86E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Proceeds from Issuance of Debt </link:label>
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<link:label id="lab_us-gaap_RepaymentsOfLongTermDebt_13E5E6A05691652E2F62CEB5FEFC0E12_negatedLabel_en-US" xlink:label="lab_us-gaap_RepaymentsOfLongTermDebt_13E5E6A05691652E2F62CEB5FEFC0E12" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Payments on long-term debt </link:label>
<link:label id="lab_us-gaap_RepaymentsOfLongTermDebt_13E5E6A05691652E2F62CEB5FEFC0E12_label_en-US" xlink:label="lab_us-gaap_RepaymentsOfLongTermDebt_13E5E6A05691652E2F62CEB5FEFC0E12" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Repayments of Long-term Debt </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RepaymentsOfLongTermDebt" xlink:label="loc_us-gaap_RepaymentsOfLongTermDebt_13E5E6A05691652E2F62CEB5FEFC0E12" xlink:type="locator"/>
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<link:label id="lab_us-gaap_PaymentsOfDividends_C298B20B7E2E52EBD865CEB5FEFD9F70_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsOfDividends_C298B20B7E2E52EBD865CEB5FEFD9F70" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Dividends and dividend equivalents paid </link:label>
<link:label id="lab_us-gaap_PaymentsOfDividends_C298B20B7E2E52EBD865CEB5FEFD9F70_label_en-US" xlink:label="lab_us-gaap_PaymentsOfDividends_C298B20B7E2E52EBD865CEB5FEFD9F70" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Payments of Dividends </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PaymentsOfDividends" xlink:label="loc_us-gaap_PaymentsOfDividends_C298B20B7E2E52EBD865CEB5FEFD9F70" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ProceedsFromStockOptionsExercised_08CE27363F21CB0B68D0CEB5FEFDE27D_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromStockOptionsExercised_08CE27363F21CB0B68D0CEB5FEFDE27D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Proceeds from exercise of stock options </link:label>
<link:label id="lab_us-gaap_ProceedsFromStockOptionsExercised_08CE27363F21CB0B68D0CEB5FEFDE27D_label_en-US" xlink:label="lab_us-gaap_ProceedsFromStockOptionsExercised_08CE27363F21CB0B68D0CEB5FEFDE27D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Proceeds from Stock Options Exercised </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ProceedsFromStockOptionsExercised" xlink:label="loc_us-gaap_ProceedsFromStockOptionsExercised_08CE27363F21CB0B68D0CEB5FEFDE27D" xlink:type="locator"/>
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<link:label id="lab_us-gaap_PaymentsOfFinancingCosts_D527C78E1DFF10C56370CEB5FEFD687E_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_PaymentsOfFinancingCosts_D527C78E1DFF10C56370CEB5FEFD687E" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Payments of deferred offering costs </link:label>
<link:label id="lab_us-gaap_PaymentsOfFinancingCosts_D527C78E1DFF10C56370CEB5FEFD687E_label_en-US" xlink:label="lab_us-gaap_PaymentsOfFinancingCosts_D527C78E1DFF10C56370CEB5FEFD687E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Payments of Financing Costs </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PaymentsOfFinancingCosts" xlink:label="loc_us-gaap_PaymentsOfFinancingCosts_D527C78E1DFF10C56370CEB5FEFD687E" xlink:type="locator"/>
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<link:label id="lab_us-gaap_PaymentsOfDistributionsToAffiliates_372CB3A58B3DF6967316CEB5FEFD1694_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsOfDistributionsToAffiliates_372CB3A58B3DF6967316CEB5FEFD1694" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Distributions to noncontrolling interests </link:label>
<link:label id="lab_us-gaap_PaymentsOfDistributionsToAffiliates_372CB3A58B3DF6967316CEB5FEFD1694_label_en-US" xlink:label="lab_us-gaap_PaymentsOfDistributionsToAffiliates_372CB3A58B3DF6967316CEB5FEFD1694" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Payments of Distributions to Affiliates </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PaymentsOfDistributionsToAffiliates" xlink:label="loc_us-gaap_PaymentsOfDistributionsToAffiliates_372CB3A58B3DF6967316CEB5FEFD1694" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ProceedsFromMinorityShareholders_3A39CEABA5E6B670F6C9CEB5FEFD413F_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromMinorityShareholders_3A39CEABA5E6B670F6C9CEB5FEFD413F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Contributions from noncontrolling interests </link:label>
<link:label id="lab_us-gaap_ProceedsFromMinorityShareholders_3A39CEABA5E6B670F6C9CEB5FEFD413F_label_en-US" xlink:label="lab_us-gaap_ProceedsFromMinorityShareholders_3A39CEABA5E6B670F6C9CEB5FEFD413F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Proceeds from Noncontrolling Interests </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ProceedsFromMinorityShareholders" xlink:label="loc_us-gaap_ProceedsFromMinorityShareholders_3A39CEABA5E6B670F6C9CEB5FEFD413F" xlink:type="locator"/>
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<link:label id="lab_us-gaap_PaymentsToMinorityShareholders_7FB8773263FA63DA4186CEB5FEFD0A55_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsToMinorityShareholders_7FB8773263FA63DA4186CEB5FEFD0A55" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Purchases of noncontrolling interests </link:label>
<link:label id="lab_us-gaap_PaymentsToMinorityShareholders_7FB8773263FA63DA4186CEB5FEFD0A55_label_en-US" xlink:label="lab_us-gaap_PaymentsToMinorityShareholders_7FB8773263FA63DA4186CEB5FEFD0A55" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Payments to Noncontrolling Interests </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PaymentsToMinorityShareholders" xlink:label="loc_us-gaap_PaymentsToMinorityShareholders_7FB8773263FA63DA4186CEB5FEFD0A55" xlink:type="locator"/>
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<link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_25B6615AD5648A40EA8DCEB5FEFD1F92_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_25B6615AD5648A40EA8DCEB5FEFD1F92" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Cash used in financing activities </link:label>
<link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_25B6615AD5648A40EA8DCEB5FEFD1F92_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_25B6615AD5648A40EA8DCEB5FEFD1F92" 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/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_25B6615AD5648A40EA8DCEB5FEFD1F92" xlink:type="locator"/>
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<link:label id="lab_ara_CashCashEquivalentsRestrictedCashandRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_D9A209747CE64B536FCDCEB5FEFDA68F_totalLabel_en-US" xlink:label="lab_ara_CashCashEquivalentsRestrictedCashandRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_D9A209747CE64B536FCDCEB5FEFDA68F" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> (Decrease) increase in cash and restricted cash </link:label>
<link:label id="lab_ara_CashCashEquivalentsRestrictedCashandRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_D9A209747CE64B536FCDCEB5FEFDA68F_label_en-US" xlink:label="lab_ara_CashCashEquivalentsRestrictedCashandRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_D9A209747CE64B536FCDCEB5FEFDA68F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect </link:label>
<link:label id="lab_ara_CashCashEquivalentsRestrictedCashandRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_D9A209747CE64B536FCDCEB5FEFDA68F_documentation_en-US" xlink:label="lab_ara_CashCashEquivalentsRestrictedCashandRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_D9A209747CE64B536FCDCEB5FEFDA68F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect </link:label>
<link:loc xlink:href="ara-20170331.xsd#ara_CashCashEquivalentsRestrictedCashandRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:label="loc_ara_CashCashEquivalentsRestrictedCashandRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_D9A209747CE64B536FCDCEB5FEFDA68F" xlink:type="locator"/>
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<link:label id="lab_ara_CashCashEquivalentsRestrictedCashandRestrictedCashEquivalents_8BB353C92DDE49BC1845CEB5FEFD193C_periodStartLabel_en-US" xlink:label="lab_ara_CashCashEquivalentsRestrictedCashandRestrictedCashEquivalents_8BB353C92DDE49BC1845CEB5FEFD193C" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US"> Cash and restricted cash at beginning of period </link:label>
<link:loc xlink:href="ara-20170331.xsd#ara_CashCashEquivalentsRestrictedCashandRestrictedCashEquivalents" xlink:label="loc_ara_CashCashEquivalentsRestrictedCashandRestrictedCashEquivalents_8BB353C92DDE49BC1845CEB5FEFD193C" xlink:type="locator"/>
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<link:label id="lab_ara_CashCashEquivalentsRestrictedCashandRestrictedCashEquivalents_4E25D09140D3EE360E29CEB5FEFD87EC_periodEndLabel_en-US" xlink:label="lab_ara_CashCashEquivalentsRestrictedCashandRestrictedCashEquivalents_4E25D09140D3EE360E29CEB5FEFD87EC" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US"> Cash and restricted cash at end of period </link:label>
<link:loc xlink:href="ara-20170331.xsd#ara_CashCashEquivalentsRestrictedCashandRestrictedCashEquivalents" xlink:label="loc_ara_CashCashEquivalentsRestrictedCashandRestrictedCashEquivalents_4E25D09140D3EE360E29CEB5FEFD87EC" xlink:type="locator"/>
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<link:label id="lab_us-gaap_SupplementalCashFlowInformationAbstract_3EAC4C01EFF86EC0D7F1CEB5FEFD3987_terseLabel_en-US" xlink:label="lab_us-gaap_SupplementalCashFlowInformationAbstract_3EAC4C01EFF86EC0D7F1CEB5FEFD3987" 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_3EAC4C01EFF86EC0D7F1CEB5FEFD3987_label_en-US" xlink:label="lab_us-gaap_SupplementalCashFlowInformationAbstract_3EAC4C01EFF86EC0D7F1CEB5FEFD3987" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Supplemental Cash Flow Information [Abstract] </link:label>
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<link:label id="lab_us-gaap_IncomeTaxesPaidNet_36C6508836F171140723CEB5FEFDC210_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxesPaidNet_36C6508836F171140723CEB5FEFDC210" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Cash paid for income taxes </link:label>
<link:label id="lab_us-gaap_IncomeTaxesPaidNet_36C6508836F171140723CEB5FEFDC210_label_en-US" xlink:label="lab_us-gaap_IncomeTaxesPaidNet_36C6508836F171140723CEB5FEFDC210" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income Taxes Paid, Net </link:label>
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<link:label id="lab_us-gaap_InterestPaid_BFEF70C5DA41874D9FCECEB5FEFD22C7_terseLabel_en-US" xlink:label="lab_us-gaap_InterestPaid_BFEF70C5DA41874D9FCECEB5FEFD22C7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Cash paid for interest </link:label>
<link:label id="lab_us-gaap_InterestPaid_BFEF70C5DA41874D9FCECEB5FEFD22C7_label_en-US" xlink:label="lab_us-gaap_InterestPaid_BFEF70C5DA41874D9FCECEB5FEFD22C7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Interest Paid </link:label>
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<link:label id="lab_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_8E68573E042F05A259C6CEB5FEFD675F_terseLabel_en-US" xlink:label="lab_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_8E68573E042F05A259C6CEB5FEFD675F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Supplemental Disclosure of Non-Cash Financing Activities </link:label>
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<link:label id="lab_ara_AccruedOfferingCosts_EBBF896C51DBFC9AFEBBCEB5FEFD10A9_terseLabel_en-US" xlink:label="lab_ara_AccruedOfferingCosts_EBBF896C51DBFC9AFEBBCEB5FEFD10A9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accrued offering expense </link:label>
<link:label id="lab_ara_AccruedOfferingCosts_EBBF896C51DBFC9AFEBBCEB5FEFD10A9_label_en-US" xlink:label="lab_ara_AccruedOfferingCosts_EBBF896C51DBFC9AFEBBCEB5FEFD10A9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accrued Offering Costs </link:label>
<link:label id="lab_ara_AccruedOfferingCosts_EBBF896C51DBFC9AFEBBCEB5FEFD10A9_documentation_en-US" xlink:label="lab_ara_AccruedOfferingCosts_EBBF896C51DBFC9AFEBBCEB5FEFD10A9" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Amount of accrued offering costs included in non cash activities. </link:label>
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<link:label id="lab_us-gaap_LiabilitiesAssumed1_ACADDB36871E74E26CB1CEB5FEFD00CE_label_en-US" xlink:label="lab_us-gaap_LiabilitiesAssumed1_ACADDB36871E74E26CB1CEB5FEFD00CE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Liabilities Assumed </link:label>
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<link:label id="lab_ara_TemporaryEquityTextblock_1849384E6FAC5E21BD4ADA2EB945B76C_terseLabel_en-US" xlink:label="lab_ara_TemporaryEquityTextblock_1849384E6FAC5E21BD4ADA2EB945B76C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> CHANGES IN OWNERSHIP INTEREST IN CONSOLIDATED SUBSIDIARIES </link:label>
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