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Palo Alto Networks Inc – ‘10-Q’ for 10/31/16 – ‘EX-101.LAB’

On:  Monday, 11/21/16, at 9:15pm ET   ·   As of:  11/22/16   ·   For:  10/31/16   ·   Accession #:  1327567-16-73   ·   File #:  1-35594

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

11/22/16  Palo Alto Networks Inc            10-Q       10/31/16   59:5.7M

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    591K 
 2: EX-10.1     Amendment to Lease Between the Company and Santa    HTML     75K 
                Clara Campus Property Owner I                                    
 3: EX-10.2     Amendment to Lease Between the Company and Santa    HTML     72K 
                Clara Campus Property Owner I                                    
 4: EX-10.3     Amendment to Lease Between the Company and Santa    HTML     99K 
                Clara Campus Property Owner I                                    
 5: EX-18.1     Preferability Letter From Independent Registered    HTML     20K 
                Public Accounting Firm                                           
 6: EX-31.1     Certification of the Chief Executive Officer        HTML     24K 
                Pursuant to Section 302                                          
 7: EX-31.2     Certification of the Chief Financial Officer        HTML     24K 
                Pursuant to Section 302                                          
 8: EX-32.1     Certification of the Chief Executive Officer        HTML     20K 
                Pursuant to Section 906                                          
 9: EX-32.2     Certification of the Chief Financial Officer        HTML     20K 
                Pursuant to Section 906                                          
16: R1          Document and Entity Information Document            HTML     38K 
17: R2          Condensed Consolidated Balance Sheets               HTML    106K 
18: R3          Condensed Consolidated Balance Sheets               HTML     41K 
                (Parenthetical)                                                  
19: R4          Condensed Consolidated Statements of Operations     HTML     67K 
20: R5          Condensed Consolidated Statements of Comprehensive  HTML     31K 
                Loss                                                             
21: R6          Condensed Consolidated Statements of Cash Flows     HTML     90K 
22: R7          Description of Business and Summary of Significant  HTML    112K 
                Accounting Policies                                              
23: R8          Fair Value Measurements                             HTML    118K 
24: R9          Investments                                         HTML     69K 
25: R10         Derivative Instruments                              HTML     33K 
26: R11         Convertible Senior Notes                            HTML     55K 
27: R12         Commitments and Contingencies                       HTML     34K 
28: R13         Stockholders' Equity                                HTML     28K 
29: R14         Equity Award Plans                                  HTML     90K 
30: R15         Income Taxes                                        HTML     25K 
31: R16         Net Income (Loss) Per Share                         HTML     41K 
32: R17         Description of Business and Summary of Significant  HTML    126K 
                Accounting Policies (Policies)                                   
33: R18         Description of Business and Summary of Significant  HTML     99K 
                Accounting Policies (Tables)                                     
34: R19         Fair Value Measurements (Tables)                    HTML    113K 
35: R20         Investments (Tables)                                HTML     70K 
36: R21         Convertible Senior Notes (Tables)                   HTML     43K 
37: R22         Commitments and Contingencies (Tables)              HTML     29K 
38: R23         Equity Award Plans (Tables)                         HTML     91K 
39: R24         Net Income (Loss) Per Share (Tables)                HTML     42K 
40: R25         Description of Business and Summary of Significant  HTML     79K 
                Accounting Policies (Details)                                    
41: R26         Fair Value Measurements (Details)                   HTML     71K 
42: R27         Investments (Available-for-Sale Investments)        HTML     42K 
                (Details)                                                        
43: R28         Investments (Available-for-Sale Investments,        HTML     39K 
                Contractual Maturities) (Details)                                
44: R29         Derivative Instruments (Details)                    HTML     25K 
45: R30         Convertible Senior Notes (Additional Information)   HTML     55K 
                (Details)                                                        
46: R31         Convertible Senior Notes (Components of             HTML     29K 
                Convertible Senior Notes) (Details)                              
47: R32         Convertible Senior Notes (Schedule of Interest      HTML     30K 
                Expense Recognized) (Details)                                    
48: R33         Commitments and Contingencies (Lease Commitment)    HTML     41K 
                (Details)                                                        
49: R34         Commitments and Contingencies (Contract             HTML     21K 
                Manufacturer Commitments) (Details)                              
50: R35         Stockholders' Equity (Details)                      HTML     29K 
51: R36         Equity Award Plans (Stock Option Activities)        HTML     69K 
                (Details)                                                        
52: R37         Equity Award Plans (Restricted Stock Unit,          HTML     74K 
                Restricted Stock Award, and Performance-Based                    
                Stock Award Activities) (Details)                                
53: R38         Equity Award Plans (Allocation of Share Based       HTML     39K 
                Compensation Expense) (Details)                                  
54: R39         Income Taxes (Details)                              HTML     21K 
55: R40         Net Income (Loss) Per Share (Computation of Basic   HTML     28K 
                and Diluted Net Income (Loss) Per Share) (Details)               
56: R41         Net Income (Loss) Per Share (Schedule of            HTML     35K 
                Antidilutive Securities Excluded from Computation)               
                (Details)                                                        
58: XML         IDEA XML File -- Filing Summary                      XML     97K 
57: EXCEL       IDEA Workbook of Financial Reports                  XLSX     51K 
10: EX-101.INS  XBRL Instance -- panw-20161031                       XML   1.49M 
12: EX-101.CAL  XBRL Calculations -- panw-20161031_cal               XML    162K 
13: EX-101.DEF  XBRL Definitions -- panw-20161031_def                XML    347K 
14: EX-101.LAB  XBRL Labels -- panw-20161031_lab                     XML    922K 
15: EX-101.PRE  XBRL Presentations -- panw-20161031_pre              XML    529K 
11: EX-101.SCH  XBRL Schema -- panw-20161031                         XSD     88K 
59: ZIP         XBRL Zipped Folder -- 0001327567-16-000073-xbrl      Zip    132K 


‘EX-101.LAB’   —   XBRL Labels — panw-20161031_lab


This Exhibit is an XBRL XML File.


                                                                                                                                                                                
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<link:label id="lab_us-gaap_DebtInstrumentTable_66CB20DBE6CCF6603F45BA135F1096C4_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentTable_66CB20DBE6CCF6603F45BA135F1096C4" 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>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="loc_us-gaap_DebtInstrumentTable_66CB20DBE6CCF6603F45BA135F1096C4" xlink:type="locator"/>
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<link:label id="lab_us-gaap_FairValueByFairValueHierarchyLevelAxis_0D5FE9AF3045221995AABA135F105D07_label_en-US" xlink:label="lab_us-gaap_FairValueByFairValueHierarchyLevelAxis_0D5FE9AF3045221995AABA135F105D07" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Fair Value, Hierarchy [Axis] </link:label>
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<link:label id="lab_us-gaap_DebtInstrumentConvertibleNumberOfEquityInstruments_6415A93C23CD709D1CDCBA135F10492F_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentConvertibleNumberOfEquityInstruments_6415A93C23CD709D1CDCBA135F10492F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Convertible, Number of Equity Instruments </link:label>
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<link:label id="lab_us-gaap_DebtInstrumentConvertibleConversionPrice1_F5713EA4D54DC74ECB06BA135F10AD8C_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentConvertibleConversionPrice1_F5713EA4D54DC74ECB06BA135F10AD8C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Initial conversion price (in usd per share) </link:label>
<link:label id="lab_us-gaap_DebtInstrumentConvertibleConversionPrice1_F5713EA4D54DC74ECB06BA135F10AD8C_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentConvertibleConversionPrice1_F5713EA4D54DC74ECB06BA135F10AD8C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Convertible, Conversion Price </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtInstrumentConvertibleConversionPrice1" xlink:label="loc_us-gaap_DebtInstrumentConvertibleConversionPrice1_F5713EA4D54DC74ECB06BA135F10AD8C" xlink:type="locator"/>
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<link:label id="lab_us-gaap_DebtInstrumentConvertibleThresholdTradingDays_43568EC2B163E303D0F8BA135F108B0D_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentConvertibleThresholdTradingDays_43568EC2B163E303D0F8BA135F108B0D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Convertible Senior Notes, threshold trading days (in days) </link:label>
<link:label id="lab_us-gaap_DebtInstrumentConvertibleThresholdTradingDays_43568EC2B163E303D0F8BA135F108B0D_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentConvertibleThresholdTradingDays_43568EC2B163E303D0F8BA135F108B0D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Convertible, Threshold Trading Days </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtInstrumentConvertibleThresholdTradingDays" xlink:label="loc_us-gaap_DebtInstrumentConvertibleThresholdTradingDays_43568EC2B163E303D0F8BA135F108B0D" xlink:type="locator"/>
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<link:label id="lab_us-gaap_DebtInstrumentConvertibleThresholdConsecutiveTradingDays_E160C68014144327B28FBA135F108EC2_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentConvertibleThresholdConsecutiveTradingDays_E160C68014144327B28FBA135F108EC2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Convertible Senior Notes, threshold consecutive trading days (in days) </link:label>
<link:label id="lab_us-gaap_DebtInstrumentConvertibleThresholdConsecutiveTradingDays_E160C68014144327B28FBA135F108EC2_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentConvertibleThresholdConsecutiveTradingDays_E160C68014144327B28FBA135F108EC2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Convertible, Threshold Consecutive Trading Days </link:label>
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<link:label id="lab_us-gaap_DebtInstrumentConvertibleThresholdPercentageOfStockPriceTrigger_F2D615E5F32F9FBBBC5ABA135F10213E_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentConvertibleThresholdPercentageOfStockPriceTrigger_F2D615E5F32F9FBBBC5ABA135F10213E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Convertible Senior Notes, threshold percentage of stock price trigger (in percentage) </link:label>
<link:label id="lab_us-gaap_DebtInstrumentConvertibleThresholdPercentageOfStockPriceTrigger_F2D615E5F32F9FBBBC5ABA135F10213E_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentConvertibleThresholdPercentageOfStockPriceTrigger_F2D615E5F32F9FBBBC5ABA135F10213E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtInstrumentConvertibleThresholdPercentageOfStockPriceTrigger" xlink:label="loc_us-gaap_DebtInstrumentConvertibleThresholdPercentageOfStockPriceTrigger_F2D615E5F32F9FBBBC5ABA135F10213E" xlink:type="locator"/>
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<link:label id="lab_panw_DebtInstrumentConvertiblePer1000PrincipalThresholdBusinessDays_074259F000149301DF82BA135F10BE09_terseLabel_en-US" xlink:label="lab_panw_DebtInstrumentConvertiblePer1000PrincipalThresholdBusinessDays_074259F000149301DF82BA135F10BE09" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Convertible Senior Notes, threshold business days, per $1,000 principal (in days) </link:label>
<link:label id="lab_panw_DebtInstrumentConvertiblePer1000PrincipalThresholdBusinessDays_074259F000149301DF82BA135F10BE09_label_en-US" xlink:label="lab_panw_DebtInstrumentConvertiblePer1000PrincipalThresholdBusinessDays_074259F000149301DF82BA135F10BE09" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Convertible Per $1,000 Principal, Threshold Business Days </link:label>
<link:label id="lab_panw_DebtInstrumentConvertiblePer1000PrincipalThresholdBusinessDays_074259F000149301DF82BA135F10BE09_documentation_en-US" xlink:label="lab_panw_DebtInstrumentConvertiblePer1000PrincipalThresholdBusinessDays_074259F000149301DF82BA135F10BE09" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Convertible Per $1,000 Principal, Threshold Business Days </link:label>
<link:loc xlink:href="panw-20161031.xsd#panw_DebtInstrumentConvertiblePer1000PrincipalThresholdBusinessDays" xlink:label="loc_panw_DebtInstrumentConvertiblePer1000PrincipalThresholdBusinessDays_074259F000149301DF82BA135F10BE09" xlink:type="locator"/>
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<link:label id="lab_panw_DebtInstrumentsConvertiblePer1000PrincipalThresholdConsecutiveTradingDays_685B5E8AF970C8DDC7FCBA135F107128_terseLabel_en-US" xlink:label="lab_panw_DebtInstrumentsConvertiblePer1000PrincipalThresholdConsecutiveTradingDays_685B5E8AF970C8DDC7FCBA135F107128" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Convertible Senior Notes, threshold consecutive trading days, per $1,000 principal (in days) </link:label>
<link:label id="lab_panw_DebtInstrumentsConvertiblePer1000PrincipalThresholdConsecutiveTradingDays_685B5E8AF970C8DDC7FCBA135F107128_label_en-US" xlink:label="lab_panw_DebtInstrumentsConvertiblePer1000PrincipalThresholdConsecutiveTradingDays_685B5E8AF970C8DDC7FCBA135F107128" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instruments, Convertible Per $1,000 Principal, Threshold Consecutive Trading Days </link:label>
<link:label id="lab_panw_DebtInstrumentsConvertiblePer1000PrincipalThresholdConsecutiveTradingDays_685B5E8AF970C8DDC7FCBA135F107128_documentation_en-US" xlink:label="lab_panw_DebtInstrumentsConvertiblePer1000PrincipalThresholdConsecutiveTradingDays_685B5E8AF970C8DDC7FCBA135F107128" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Debt Instruments, Convertible Per $1,000 Principal, Threshold Consecutive Trading Days </link:label>
<link:loc xlink:href="panw-20161031.xsd#panw_DebtInstrumentsConvertiblePer1000PrincipalThresholdConsecutiveTradingDays" xlink:label="loc_panw_DebtInstrumentsConvertiblePer1000PrincipalThresholdConsecutiveTradingDays_685B5E8AF970C8DDC7FCBA135F107128" xlink:type="locator"/>
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<link:label id="lab_panw_DebtInstrumentConvertibleThresholdPercentageofNotesPriceTrigger_F33758697BAADDBF23BEBA135F102A47_terseLabel_en-US" xlink:label="lab_panw_DebtInstrumentConvertibleThresholdPercentageofNotesPriceTrigger_F33758697BAADDBF23BEBA135F102A47" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Convertible Senior Notes, threshold percentage of Note price trigger, per $1,000 principal (in percentage) </link:label>
<link:label id="lab_panw_DebtInstrumentConvertibleThresholdPercentageofNotesPriceTrigger_F33758697BAADDBF23BEBA135F102A47_label_en-US" xlink:label="lab_panw_DebtInstrumentConvertibleThresholdPercentageofNotesPriceTrigger_F33758697BAADDBF23BEBA135F102A47" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Convertible, Threshold Percentage of Notes Price Trigger </link:label>
<link:label id="lab_panw_DebtInstrumentConvertibleThresholdPercentageofNotesPriceTrigger_F33758697BAADDBF23BEBA135F102A47_documentation_en-US" xlink:label="lab_panw_DebtInstrumentConvertibleThresholdPercentageofNotesPriceTrigger_F33758697BAADDBF23BEBA135F102A47" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Convertible, Threshold Percentage of Notes Price Trigger </link:label>
<link:loc xlink:href="panw-20161031.xsd#panw_DebtInstrumentConvertibleThresholdPercentageofNotesPriceTrigger" xlink:label="loc_panw_DebtInstrumentConvertibleThresholdPercentageofNotesPriceTrigger_F33758697BAADDBF23BEBA135F102A47" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ConvertibleDebtFairValueDisclosures_C27211119E02ECE58F80BA135F101A54_terseLabel_en-US" xlink:label="lab_us-gaap_ConvertibleDebtFairValueDisclosures_C27211119E02ECE58F80BA135F101A54" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Fair value of Convertible Senior Notes </link:label>
<link:label id="lab_us-gaap_ConvertibleDebtFairValueDisclosures_C27211119E02ECE58F80BA135F101A54_label_en-US" xlink:label="lab_us-gaap_ConvertibleDebtFairValueDisclosures_C27211119E02ECE58F80BA135F101A54" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Convertible Debt, Fair Value Disclosures </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ConvertibleDebtFairValueDisclosures" xlink:label="loc_us-gaap_ConvertibleDebtFairValueDisclosures_C27211119E02ECE58F80BA135F101A54" xlink:type="locator"/>
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<link:label id="lab_us-gaap_DebtInstrumentConvertibleIfConvertedValueInExcessOfPrincipal_CF457C6B03400FD313D7BA135F10C913_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentConvertibleIfConvertedValueInExcessOfPrincipal_CF457C6B03400FD313D7BA135F10C913" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> If-converted value in excess of principal </link:label>
<link:label id="lab_us-gaap_DebtInstrumentConvertibleIfConvertedValueInExcessOfPrincipal_CF457C6B03400FD313D7BA135F10C913_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentConvertibleIfConvertedValueInExcessOfPrincipal_CF457C6B03400FD313D7BA135F10C913" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Convertible, If-converted Value in Excess of Principal </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtInstrumentConvertibleIfConvertedValueInExcessOfPrincipal" xlink:label="loc_us-gaap_DebtInstrumentConvertibleIfConvertedValueInExcessOfPrincipal_CF457C6B03400FD313D7BA135F10C913" xlink:type="locator"/>
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<link:label id="lab_panw_SharesOfCommonStockCoveredByNoteHedges_FE8BFBF06ABEA4D77FBCBA135F104821_terseLabel_en-US" xlink:label="lab_panw_SharesOfCommonStockCoveredByNoteHedges_FE8BFBF06ABEA4D77FBCBA135F104821" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Shares of common stock covered by Note Hedges (in shares) </link:label>
<link:label id="lab_panw_SharesOfCommonStockCoveredByNoteHedges_FE8BFBF06ABEA4D77FBCBA135F104821_label_en-US" xlink:label="lab_panw_SharesOfCommonStockCoveredByNoteHedges_FE8BFBF06ABEA4D77FBCBA135F104821" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Shares Of Common Stock Covered By Note Hedges </link:label>
<link:label id="lab_panw_SharesOfCommonStockCoveredByNoteHedges_FE8BFBF06ABEA4D77FBCBA135F104821_documentation_en-US" xlink:label="lab_panw_SharesOfCommonStockCoveredByNoteHedges_FE8BFBF06ABEA4D77FBCBA135F104821" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Shares Of Common Stock Covered By Note Hedges </link:label>
<link:loc xlink:href="panw-20161031.xsd#panw_SharesOfCommonStockCoveredByNoteHedges" xlink:label="loc_panw_SharesOfCommonStockCoveredByNoteHedges_FE8BFBF06ABEA4D77FBCBA135F104821" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights_E10F6FEF39B6580A06B3BA135F10EBB4_verboseLabel_en-US" xlink:label="lab_us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights_E10F6FEF39B6580A06B3BA135F10EBB4" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Warrants sold, shares authorized to sell to counterparties (in shares) </link:label>
<link:label id="lab_us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights_E10F6FEF39B6580A06B3BA135F10EBB4_label_en-US" xlink:label="lab_us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights_E10F6FEF39B6580A06B3BA135F10EBB4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Class of Warrant or Right, Number of Securities Called by Warrants or Rights </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights" xlink:label="loc_us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights_E10F6FEF39B6580A06B3BA135F10EBB4" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_F8B5DAEC86401384E6C4BA135F10B818_terseLabel_en-US" xlink:label="lab_us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_F8B5DAEC86401384E6C4BA135F10B818" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Strike price of warrants (in usd per share) </link:label>
<link:label id="lab_us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_F8B5DAEC86401384E6C4BA135F10B818_label_en-US" xlink:label="lab_us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_F8B5DAEC86401384E6C4BA135F10B818" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Class of Warrant or Right, Exercise Price of Warrants or Rights </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1" xlink:label="loc_us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_F8B5DAEC86401384E6C4BA135F10B818" xlink:type="locator"/>
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<link:label id="lab_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount_6E70C410ABA094145FAFBA135F30C365_terseLabel_en-US" xlink:label="lab_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount_6E70C410ABA094145FAFBA135F30C365" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Contract manufacturer commitments </link:label>
<link:label id="lab_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount_6E70C410ABA094145FAFBA135F30C365_label_en-US" xlink:label="lab_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount_6E70C410ABA094145FAFBA135F30C365" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Unrecorded Unconditional Purchase Obligation </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount" xlink:label="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount_6E70C410ABA094145FAFBA135F30C365" xlink:type="locator"/>
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<link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_06AD9D96EEF23130B32475CB52C6CE9D_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_06AD9D96EEF23130B32475CB52C6CE9D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Leases, Future Minimum Payments, Due in Two Years </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_06AD9D96EEF23130B32475CB52C6CE9D" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_06AD9D96EEF23130B32475CB52C6CE9D" xlink:to="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_06AD9D96EEF23130B32475CB52C6CE9D" xlink:type="arc"/>
<link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_ED4AA92C5626B40AF74F75CB52C6F638_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_ED4AA92C5626B40AF74F75CB52C6F638" 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_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_ED4AA92C5626B40AF74F75CB52C6F638_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_ED4AA92C5626B40AF74F75CB52C6F638" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Leases, Future Minimum Payments, Due in Three Years </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_ED4AA92C5626B40AF74F75CB52C6F638" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_ED4AA92C5626B40AF74F75CB52C6F638" xlink:to="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_ED4AA92C5626B40AF74F75CB52C6F638" xlink:type="arc"/>
<link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_61C03D08957D95A9357375CB52C6C1FC_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_61C03D08957D95A9357375CB52C6C1FC" 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_OperatingLeasesFutureMinimumPaymentsDueInFourYears_61C03D08957D95A9357375CB52C6C1FC_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_61C03D08957D95A9357375CB52C6C1FC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Leases, Future Minimum Payments, Due in Four Years </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_61C03D08957D95A9357375CB52C6C1FC" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_61C03D08957D95A9357375CB52C6C1FC" xlink:to="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_61C03D08957D95A9357375CB52C6C1FC" xlink:type="arc"/>
<link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_D1BC0DE2687CC327E17275CB52C6A323_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_D1BC0DE2687CC327E17275CB52C6A323" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2021 </link:label>
<link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_D1BC0DE2687CC327E17275CB52C6A323_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_D1BC0DE2687CC327E17275CB52C6A323" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Leases, Future Minimum Payments, Due in Five Years </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_D1BC0DE2687CC327E17275CB52C6A323" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_D1BC0DE2687CC327E17275CB52C6A323" xlink:to="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_D1BC0DE2687CC327E17275CB52C6A323" xlink:type="arc"/>
<link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_C7DEBA57E4CA0423EF1975CB52C6C1F1_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_C7DEBA57E4CA0423EF1975CB52C6C1F1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2022 and thereafter </link:label>
<link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_C7DEBA57E4CA0423EF1975CB52C6C1F1_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_C7DEBA57E4CA0423EF1975CB52C6C1F1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Leases, Future Minimum Payments, Due Thereafter </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_C7DEBA57E4CA0423EF1975CB52C6C1F1" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_C7DEBA57E4CA0423EF1975CB52C6C1F1" xlink:to="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_C7DEBA57E4CA0423EF1975CB52C6C1F1" xlink:type="arc"/>
<link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_C865F5EC5F97895BBBEB75CB52C66DB8_totalLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_C865F5EC5F97895BBBEB75CB52C66DB8" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Committed gross lease payments </link:label>
<link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_C865F5EC5F97895BBBEB75CB52C66DB8_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_C865F5EC5F97895BBBEB75CB52C66DB8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Leases, Future Minimum Payments Due </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDue" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_C865F5EC5F97895BBBEB75CB52C66DB8" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_C865F5EC5F97895BBBEB75CB52C66DB8" xlink:to="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_C865F5EC5F97895BBBEB75CB52C66DB8" xlink:type="arc"/>
<link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentals_E32F0F739FF4E7F320E275CB52C6F9DC_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentals_E32F0F739FF4E7F320E275CB52C6F9DC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Less: proceeds from sublease rental </link:label>
<link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentals_E32F0F739FF4E7F320E275CB52C6F9DC_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentals_E32F0F739FF4E7F320E275CB52C6F9DC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Leases, Future Minimum Payments Due, Future Minimum Sublease Rentals </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentals" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentals_E32F0F739FF4E7F320E275CB52C6F9DC" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentals_E32F0F739FF4E7F320E275CB52C6F9DC" xlink:to="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentals_E32F0F739FF4E7F320E275CB52C6F9DC" xlink:type="arc"/>
<link:label id="lab_panw_OperatingLeasesFutureMinimumPaymentsDueExcludingSubleaseIncome_5353DC1D06A41D2786FC75CB52C697AE_totalLabel_en-US" xlink:label="lab_panw_OperatingLeasesFutureMinimumPaymentsDueExcludingSubleaseIncome_5353DC1D06A41D2786FC75CB52C697AE" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Net operating lease obligation </link:label>
<link:label id="lab_panw_OperatingLeasesFutureMinimumPaymentsDueExcludingSubleaseIncome_5353DC1D06A41D2786FC75CB52C697AE_label_en-US" xlink:label="lab_panw_OperatingLeasesFutureMinimumPaymentsDueExcludingSubleaseIncome_5353DC1D06A41D2786FC75CB52C697AE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Leases, Future Minimum Payments Due, Excluding Sublease Income </link:label>
<link:label id="lab_panw_OperatingLeasesFutureMinimumPaymentsDueExcludingSubleaseIncome_5353DC1D06A41D2786FC75CB52C697AE_documentation_en-US" xlink:label="lab_panw_OperatingLeasesFutureMinimumPaymentsDueExcludingSubleaseIncome_5353DC1D06A41D2786FC75CB52C697AE" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Operating Leases, Future Minimum Payments Due, Excluding Sublease Income </link:label>
<link:loc xlink:href="panw-20161031.xsd#panw_OperatingLeasesFutureMinimumPaymentsDueExcludingSubleaseIncome" xlink:label="loc_panw_OperatingLeasesFutureMinimumPaymentsDueExcludingSubleaseIncome_5353DC1D06A41D2786FC75CB52C697AE" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_panw_OperatingLeasesFutureMinimumPaymentsDueExcludingSubleaseIncome_5353DC1D06A41D2786FC75CB52C697AE" xlink:to="lab_panw_OperatingLeasesFutureMinimumPaymentsDueExcludingSubleaseIncome_5353DC1D06A41D2786FC75CB52C697AE" xlink:type="arc"/>
<link:label id="lab_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_3ABD382FAD45C63EFA568992C6E0DE10_label_en-US" xlink:label="lab_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_3ABD382FAD45C63EFA568992C6E0DE10" 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_3ABD382FAD45C63EFA568992C6E0DE10" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_3ABD382FAD45C63EFA568992C6E0DE10" xlink:to="lab_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_3ABD382FAD45C63EFA568992C6E0DE10" xlink:type="arc"/>
<link:label id="lab_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_3374281E9ABE60FA8CF38992C6E0E96F_verboseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_3374281E9ABE60FA8CF38992C6E0E96F" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Share-based Compensation Arrangements by Share-based Payment Award </link:label>
<link:label id="lab_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_3374281E9ABE60FA8CF38992C6E0E96F_label_en-US" xlink:label="lab_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_3374281E9ABE60FA8CF38992C6E0E96F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_3374281E9ABE60FA8CF38992C6E0E96F" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_3374281E9ABE60FA8CF38992C6E0E96F" xlink:to="lab_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_3374281E9ABE60FA8CF38992C6E0E96F" xlink:type="arc"/>
<link:label id="lab_us-gaap_RangeAxis_A9B735C47DF3076433EF8992C6E001BA_terseLabel_en-US" xlink:label="lab_us-gaap_RangeAxis_A9B735C47DF3076433EF8992C6E001BA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Range </link:label>
<link:label id="lab_us-gaap_RangeAxis_A9B735C47DF3076433EF8992C6E001BA_label_en-US" xlink:label="lab_us-gaap_RangeAxis_A9B735C47DF3076433EF8992C6E001BA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Range [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis_A9B735C47DF3076433EF8992C6E001BA" xlink:type="locator"/>
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<link:label id="lab_us-gaap_RangeMember_07DB9AF77966EF1851CD8992C6E05A8E_terseLabel_en-US" xlink:label="lab_us-gaap_RangeMember_07DB9AF77966EF1851CD8992C6E05A8E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Range </link:label>
<link:label id="lab_us-gaap_RangeMember_07DB9AF77966EF1851CD8992C6E05A8E_label_en-US" xlink:label="lab_us-gaap_RangeMember_07DB9AF77966EF1851CD8992C6E05A8E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Range [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_07DB9AF77966EF1851CD8992C6E05A8E" xlink:type="locator"/>
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<link:label id="lab_us-gaap_MaximumMember_18E232031EC016B7996E8992C6E0C011_terseLabel_en-US" xlink:label="lab_us-gaap_MaximumMember_18E232031EC016B7996E8992C6E0C011" 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_18E232031EC016B7996E8992C6E0C011_label_en-US" xlink:label="lab_us-gaap_MaximumMember_18E232031EC016B7996E8992C6E0C011" 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_18E232031EC016B7996E8992C6E0C011" xlink:type="locator"/>
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<link:label id="lab_us-gaap_AwardTypeAxis_C698FD8D02AC09815B688992C6E01832_terseLabel_en-US" xlink:label="lab_us-gaap_AwardTypeAxis_C698FD8D02AC09815B688992C6E01832" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Award Type </link:label>
<link:label id="lab_us-gaap_AwardTypeAxis_C698FD8D02AC09815B688992C6E01832_label_en-US" xlink:label="lab_us-gaap_AwardTypeAxis_C698FD8D02AC09815B688992C6E01832" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Award Type [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis_C698FD8D02AC09815B688992C6E01832" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_0ECA0DB1C48DC3445A788992C6E0653C_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_0ECA0DB1C48DC3445A788992C6E0653C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Award Type </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_0ECA0DB1C48DC3445A788992C6E0653C_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_0ECA0DB1C48DC3445A788992C6E0653C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Equity Award [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_0ECA0DB1C48DC3445A788992C6E0653C" xlink:type="locator"/>
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<link:label id="lab_us-gaap_PerformanceSharesMember_7388D4B53A83E951EF1D8992C6E093BB_terseLabel_en-US" xlink:label="lab_us-gaap_PerformanceSharesMember_7388D4B53A83E951EF1D8992C6E093BB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Performance-based stock awards (PSAs) </link:label>
<link:label id="lab_us-gaap_PerformanceSharesMember_7388D4B53A83E951EF1D8992C6E093BB_label_en-US" xlink:label="lab_us-gaap_PerformanceSharesMember_7388D4B53A83E951EF1D8992C6E093BB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Performance Shares [Member] </link:label>
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<link:label id="lab_us-gaap_RestrictedStockMember_F46BB5C62375B42952138992C6E00A57_terseLabel_en-US" xlink:label="lab_us-gaap_RestrictedStockMember_F46BB5C62375B42952138992C6E00A57" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Restricted stock awards (RSAs) and performance-based stock awards (PSAs) </link:label>
<link:label id="lab_us-gaap_RestrictedStockMember_F46BB5C62375B42952138992C6E00A57_label_en-US" xlink:label="lab_us-gaap_RestrictedStockMember_F46BB5C62375B42952138992C6E00A57" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Restricted Stock [Member] </link:label>
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<link:label id="lab_us-gaap_RestrictedStockUnitsRSUMember_03A5BED5517AFF2356CC8992C6E0CC7D_terseLabel_en-US" xlink:label="lab_us-gaap_RestrictedStockUnitsRSUMember_03A5BED5517AFF2356CC8992C6E0CC7D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Restricted stock units (RSUs) </link:label>
<link:label id="lab_us-gaap_RestrictedStockUnitsRSUMember_03A5BED5517AFF2356CC8992C6E0CC7D_label_en-US" xlink:label="lab_us-gaap_RestrictedStockUnitsRSUMember_03A5BED5517AFF2356CC8992C6E0CC7D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Restricted Stock Units (RSUs) [Member] </link:label>
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<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_5C11FC801A465D5AE2748992C6E0F963_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_5C11FC801A465D5AE2748992C6E0F963" 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 </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_5C11FC801A465D5AE2748992C6E0F963_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_5C11FC801A465D5AE2748992C6E0F963" 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 [Line Items] </link:label>
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<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingRollForward_6B630452C12EBA1F754C8992C6E0E239_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingRollForward_6B630452C12EBA1F754C8992C6E0E239" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Restricted Stock Unit (RSU), Restricted Stock Award (RSA), and Performance-Based Stock Award (PSA), Outstanding Roll Forward </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingRollForward_6B630452C12EBA1F754C8992C6E0E239_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingRollForward_6B630452C12EBA1F754C8992C6E0E239" 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, Non-Option Equity Instruments, 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_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingRollForward" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingRollForward_6B630452C12EBA1F754C8992C6E0E239" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_22939792D46605A0A0BD8992C6E0B7AB_periodStartLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_22939792D46605A0A0BD8992C6E0B7AB" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US"> Balance, beginning (in shares) </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_22939792D46605A0A0BD8992C6E0B7AB_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_22939792D46605A0A0BD8992C6E0B7AB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_22939792D46605A0A0BD8992C6E0B7AB" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_CDBD7EB7B1D7077822678992C6E05CAC_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_CDBD7EB7B1D7077822678992C6E05CAC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Granted (in shares) </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_CDBD7EB7B1D7077822678992C6E05CAC_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_CDBD7EB7B1D7077822678992C6E05CAC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_CDBD7EB7B1D7077822678992C6E05CAC" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_8027C0FF352037D84BCF8992C6E0F01A_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_8027C0FF352037D84BCF8992C6E0F01A" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Vested (in shares) </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_8027C0FF352037D84BCF8992C6E0F01A_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_8027C0FF352037D84BCF8992C6E0F01A" 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 </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_8027C0FF352037D84BCF8992C6E0F01A" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_BC84891F809116FFF3DE8992C6E06293_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_BC84891F809116FFF3DE8992C6E06293" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Forfeited (in shares) </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_BC84891F809116FFF3DE8992C6E06293_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_BC84891F809116FFF3DE8992C6E06293" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_BC84891F809116FFF3DE8992C6E06293" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_ADD997CD23D5A50C6BA48992C6E0C2D1_periodEndLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_ADD997CD23D5A50C6BA48992C6E0C2D1" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US"> Balance, ending (in shares) </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_ADD997CD23D5A50C6BA48992C6E0C2D1" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_CC1BD475945E54ED21AB8992C6E009FC_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_CC1BD475945E54ED21AB8992C6E009FC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> RSUs, RSAs, and PSAs, Outstanding, Weighted Average Grant-Date Fair Value Per Share Roll Forward </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_CC1BD475945E54ED21AB8992C6E009FC_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_CC1BD475945E54ED21AB8992C6E009FC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] </link:label>
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<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_356DB90F1B808B349CF98992C6E00AC0_periodStartLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_356DB90F1B808B349CF98992C6E00AC0" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US"> Balance, beginning (in usd per share) </link:label>
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<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_67F8008B0D53CAD6D4B58992C6E0D036_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_67F8008B0D53CAD6D4B58992C6E0D036" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Granted (in usd per share) </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_67F8008B0D53CAD6D4B58992C6E0D036_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_67F8008B0D53CAD6D4B58992C6E0D036" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_67F8008B0D53CAD6D4B58992C6E0D036" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_2C25F1B3831A3242FD8A8992C6E0E53D_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_2C25F1B3831A3242FD8A8992C6E0E53D" 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_2C25F1B3831A3242FD8A8992C6E0E53D_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_2C25F1B3831A3242FD8A8992C6E0E53D" 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>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_2C25F1B3831A3242FD8A8992C6E0E53D" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_2C25F1B3831A3242FD8A8992C6E0E53D" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_2C25F1B3831A3242FD8A8992C6E0E53D" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_2A2BEA84E0C4C49D912A8992C6E0C150_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_2A2BEA84E0C4C49D912A8992C6E0C150" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Forfeited (in usd per share) </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_2A2BEA84E0C4C49D912A8992C6E0C150_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_2A2BEA84E0C4C49D912A8992C6E0C150" 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, Forfeitures, Weighted Average Grant Date Fair Value </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_2A2BEA84E0C4C49D912A8992C6E0C150" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_2A2BEA84E0C4C49D912A8992C6E0C150" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_2A2BEA84E0C4C49D912A8992C6E0C150" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_A8765FBD2C06AAC5D0CE8992C6E085EA_periodEndLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_A8765FBD2C06AAC5D0CE8992C6E085EA" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US"> Balance, ending (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_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_A8765FBD2C06AAC5D0CE8992C6E085EA" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalDisclosuresAbstract_0C13D6E90285CDA2DA798992C6E08762_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalDisclosuresAbstract_0C13D6E90285CDA2DA798992C6E08762" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> RSUs, RSAs, and PSAs, Additional Disclosures </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalDisclosuresAbstract_0C13D6E90285CDA2DA798992C6E08762_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalDisclosuresAbstract_0C13D6E90285CDA2DA798992C6E08762" 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, Additional Disclosures [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalDisclosuresAbstract" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalDisclosuresAbstract_0C13D6E90285CDA2DA798992C6E08762" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms_2D360C59EED75E8A49858992C6E0F030_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms_2D360C59EED75E8A49858992C6E0F030" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Weighted-average remaining contractual term (in years) </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms_2D360C59EED75E8A49858992C6E0F030_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms_2D360C59EED75E8A49858992C6E0F030" 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, Outstanding, Weighted Average Remaining Contractual Terms </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms_2D360C59EED75E8A49858992C6E0F030" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms_2D360C59EED75E8A49858992C6E0F030" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms_2D360C59EED75E8A49858992C6E0F030" xlink:type="arc"/>
<link:label id="lab_panw_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingIntrinsicValue_1456A7D965B6403195658992C6E0CACC_terseLabel_en-US" xlink:label="lab_panw_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingIntrinsicValue_1456A7D965B6403195658992C6E0CACC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Aggregate intrinsic value </link:label>
<link:label id="lab_panw_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingIntrinsicValue_1456A7D965B6403195658992C6E0CACC_label_en-US" xlink:label="lab_panw_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingIntrinsicValue_1456A7D965B6403195658992C6E0CACC" 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, Outstanding, Intrinsic Value </link:label>
<link:label id="lab_panw_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingIntrinsicValue_1456A7D965B6403195658992C6E0CACC_documentation_en-US" xlink:label="lab_panw_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingIntrinsicValue_1456A7D965B6403195658992C6E0CACC" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Outstanding, Intrinsic Value </link:label>
<link:loc xlink:href="panw-20161031.xsd#panw_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingIntrinsicValue" xlink:label="loc_panw_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingIntrinsicValue_1456A7D965B6403195658992C6E0CACC" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_panw_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingIntrinsicValue_1456A7D965B6403195658992C6E0CACC" xlink:to="lab_panw_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingIntrinsicValue_1456A7D965B6403195658992C6E0CACC" xlink:type="arc"/>
<link:label id="lab_panw_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndExpectedToVestOutstandingNumber_9FEF650456B59B3272EF8992C6E03EEE_terseLabel_en-US" xlink:label="lab_panw_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndExpectedToVestOutstandingNumber_9FEF650456B59B3272EF8992C6E03EEE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Vested and expected to vest (in shares) </link:label>
<link:label id="lab_panw_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndExpectedToVestOutstandingNumber_9FEF650456B59B3272EF8992C6E03EEE_label_en-US" xlink:label="lab_panw_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndExpectedToVestOutstandingNumber_9FEF650456B59B3272EF8992C6E03EEE" 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 and Expected to Vest, Outstanding, Number </link:label>
<link:label id="lab_panw_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndExpectedToVestOutstandingNumber_9FEF650456B59B3272EF8992C6E03EEE_documentation_en-US" xlink:label="lab_panw_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndExpectedToVestOutstandingNumber_9FEF650456B59B3272EF8992C6E03EEE" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested and Expected to Vest, Outstanding, Number </link:label>
<link:loc xlink:href="panw-20161031.xsd#panw_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndExpectedToVestOutstandingNumber" xlink:label="loc_panw_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndExpectedToVestOutstandingNumber_9FEF650456B59B3272EF8992C6E03EEE" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_panw_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndExpectedToVestOutstandingNumber_9FEF650456B59B3272EF8992C6E03EEE" xlink:to="lab_panw_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndExpectedToVestOutstandingNumber_9FEF650456B59B3272EF8992C6E03EEE" xlink:type="arc"/>
<link:label id="lab_panw_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice_EF4CEA5191D58A4858DC8992C6E065A0_terseLabel_en-US" xlink:label="lab_panw_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice_EF4CEA5191D58A4858DC8992C6E065A0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Vested and expected to vest, weighted-average grant-date fair value (in usd per share) </link:label>
<link:label id="lab_panw_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice_EF4CEA5191D58A4858DC8992C6E065A0_label_en-US" xlink:label="lab_panw_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice_EF4CEA5191D58A4858DC8992C6E065A0" 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 and Expected to Vest, Outstanding, Weighted Average Exercise Price </link:label>
<link:label id="lab_panw_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice_EF4CEA5191D58A4858DC8992C6E065A0_documentation_en-US" xlink:label="lab_panw_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice_EF4CEA5191D58A4858DC8992C6E065A0" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price </link:label>
<link:loc xlink:href="panw-20161031.xsd#panw_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice" xlink:label="loc_panw_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice_EF4CEA5191D58A4858DC8992C6E065A0" xlink:type="locator"/>
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<link:label id="lab_panw_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndExpectedToVestWeightedAverageRemainingContractualTerm_7830A481DB9C29CB4D068992C6E04F16_terseLabel_en-US" xlink:label="lab_panw_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndExpectedToVestWeightedAverageRemainingContractualTerm_7830A481DB9C29CB4D068992C6E04F16" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Vested and expected to vest, weighted-average remaining contractual term (in years) </link:label>
<link:label id="lab_panw_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndExpectedToVestWeightedAverageRemainingContractualTerm_7830A481DB9C29CB4D068992C6E04F16_label_en-US" xlink:label="lab_panw_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndExpectedToVestWeightedAverageRemainingContractualTerm_7830A481DB9C29CB4D068992C6E04F16" 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 and Expected to Vest, Weighted Average Remaining Contractual Term </link:label>
<link:label id="lab_panw_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndExpectedToVestWeightedAverageRemainingContractualTerm_7830A481DB9C29CB4D068992C6E04F16_documentation_en-US" xlink:label="lab_panw_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndExpectedToVestWeightedAverageRemainingContractualTerm_7830A481DB9C29CB4D068992C6E04F16" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested and Expected to Vest, Weighted Average Remaining Contractual Term </link:label>
<link:loc xlink:href="panw-20161031.xsd#panw_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndExpectedToVestWeightedAverageRemainingContractualTerm" xlink:label="loc_panw_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndExpectedToVestWeightedAverageRemainingContractualTerm_7830A481DB9C29CB4D068992C6E04F16" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ScheduleOfEarningsPerShareDilutedByCommonClassTable_0ED70A30FA23F71CF5DB752342DD4425_label_en-US" xlink:label="lab_us-gaap_ScheduleOfEarningsPerShareDilutedByCommonClassTable_0ED70A30FA23F71CF5DB752342DD4425" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Table] </link:label>
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<link:label id="lab_us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted_BA822AC6D93B11F9587F752342DD8BDC_terseLabel_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted_BA822AC6D93B11F9587F752342DD8BDC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Weighted-average shares used to compute net loss per share, basic and diluted </link:label>
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<link:label id="lab_us-gaap_SalesRevenueGoodsNet_0FDEDA980D11AF4CCA6678DAD44DF07D_terseLabel_en-US" xlink:label="lab_us-gaap_SalesRevenueGoodsNet_0FDEDA980D11AF4CCA6678DAD44DF07D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Product </link:label>
<link:label id="lab_us-gaap_SalesRevenueGoodsNet_0FDEDA980D11AF4CCA6678DAD44DF07D_label_en-US" xlink:label="lab_us-gaap_SalesRevenueGoodsNet_0FDEDA980D11AF4CCA6678DAD44DF07D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Sales Revenue, Goods, Net </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SalesRevenueGoodsNet" xlink:label="loc_us-gaap_SalesRevenueGoodsNet_0FDEDA980D11AF4CCA6678DAD44DF07D" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SalesRevenueGoodsNet_0FDEDA980D11AF4CCA6678DAD44DF07D" xlink:to="lab_us-gaap_SalesRevenueGoodsNet_0FDEDA980D11AF4CCA6678DAD44DF07D" xlink:type="arc"/>
<link:label id="lab_us-gaap_SalesRevenueServicesNet_AB269A78C898C229B88578DAD44E5884_terseLabel_en-US" xlink:label="lab_us-gaap_SalesRevenueServicesNet_AB269A78C898C229B88578DAD44E5884" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Subscription and support </link:label>
<link:label id="lab_us-gaap_SalesRevenueServicesNet_AB269A78C898C229B88578DAD44E5884_label_en-US" xlink:label="lab_us-gaap_SalesRevenueServicesNet_AB269A78C898C229B88578DAD44E5884" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Sales Revenue, Services, Net </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SalesRevenueServicesNet" xlink:label="loc_us-gaap_SalesRevenueServicesNet_AB269A78C898C229B88578DAD44E5884" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SalesRevenueServicesNet_AB269A78C898C229B88578DAD44E5884" xlink:to="lab_us-gaap_SalesRevenueServicesNet_AB269A78C898C229B88578DAD44E5884" xlink:type="arc"/>
<link:label id="lab_us-gaap_SalesRevenueNet_C93E8B1E37704E520C4078DAD44E3272_totalLabel_en-US" xlink:label="lab_us-gaap_SalesRevenueNet_C93E8B1E37704E520C4078DAD44E3272" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total revenue </link:label>
<link:label id="lab_us-gaap_SalesRevenueNet_C93E8B1E37704E520C4078DAD44E3272_label_en-US" xlink:label="lab_us-gaap_SalesRevenueNet_C93E8B1E37704E520C4078DAD44E3272" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Revenue, Net </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SalesRevenueNet" xlink:label="loc_us-gaap_SalesRevenueNet_C93E8B1E37704E520C4078DAD44E3272" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SalesRevenueNet_C93E8B1E37704E520C4078DAD44E3272" xlink:to="lab_us-gaap_SalesRevenueNet_C93E8B1E37704E520C4078DAD44E3272" xlink:type="arc"/>
<link:label id="lab_us-gaap_CostOfGoodsAndServicesSoldAbstract_00E457D87258064FD29378DAD44ED59F_terseLabel_en-US" xlink:label="lab_us-gaap_CostOfGoodsAndServicesSoldAbstract_00E457D87258064FD29378DAD44ED59F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Cost of revenue: </link:label>
<link:label id="lab_us-gaap_CostOfGoodsAndServicesSoldAbstract_00E457D87258064FD29378DAD44ED59F_label_en-US" xlink:label="lab_us-gaap_CostOfGoodsAndServicesSoldAbstract_00E457D87258064FD29378DAD44ED59F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cost of Goods and Services Sold [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CostOfGoodsAndServicesSoldAbstract" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSoldAbstract_00E457D87258064FD29378DAD44ED59F" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CostOfGoodsAndServicesSoldAbstract_00E457D87258064FD29378DAD44ED59F" xlink:to="lab_us-gaap_CostOfGoodsAndServicesSoldAbstract_00E457D87258064FD29378DAD44ED59F" xlink:type="arc"/>
<link:label id="lab_us-gaap_CostOfGoodsSold_1F387700B06FDFCC83F478DAD44E9CF7_terseLabel_en-US" xlink:label="lab_us-gaap_CostOfGoodsSold_1F387700B06FDFCC83F478DAD44E9CF7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Product </link:label>
<link:label id="lab_us-gaap_CostOfGoodsSold_1F387700B06FDFCC83F478DAD44E9CF7_label_en-US" xlink:label="lab_us-gaap_CostOfGoodsSold_1F387700B06FDFCC83F478DAD44E9CF7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cost of Goods Sold </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CostOfGoodsSold" xlink:label="loc_us-gaap_CostOfGoodsSold_1F387700B06FDFCC83F478DAD44E9CF7" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CostOfGoodsSold_1F387700B06FDFCC83F478DAD44E9CF7" xlink:to="lab_us-gaap_CostOfGoodsSold_1F387700B06FDFCC83F478DAD44E9CF7" xlink:type="arc"/>
<link:label id="lab_us-gaap_CostOfServices_2CF702E0B48D6C7567C678DAD44EA5F7_terseLabel_en-US" xlink:label="lab_us-gaap_CostOfServices_2CF702E0B48D6C7567C678DAD44EA5F7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Subscription and support </link:label>
<link:label id="lab_us-gaap_CostOfServices_2CF702E0B48D6C7567C678DAD44EA5F7_label_en-US" xlink:label="lab_us-gaap_CostOfServices_2CF702E0B48D6C7567C678DAD44EA5F7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cost of Services </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CostOfServices" xlink:label="loc_us-gaap_CostOfServices_2CF702E0B48D6C7567C678DAD44EA5F7" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CostOfServices_2CF702E0B48D6C7567C678DAD44EA5F7" xlink:to="lab_us-gaap_CostOfServices_2CF702E0B48D6C7567C678DAD44EA5F7" xlink:type="arc"/>
<link:label id="lab_us-gaap_CostOfGoodsAndServicesSold_046213B903E649BF842578DAD44E4EA6_totalLabel_en-US" xlink:label="lab_us-gaap_CostOfGoodsAndServicesSold_046213B903E649BF842578DAD44E4EA6" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total cost of revenue </link:label>
<link:label id="lab_us-gaap_CostOfGoodsAndServicesSold_046213B903E649BF842578DAD44E4EA6_label_en-US" xlink:label="lab_us-gaap_CostOfGoodsAndServicesSold_046213B903E649BF842578DAD44E4EA6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cost of Goods and Services Sold </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CostOfGoodsAndServicesSold" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold_046213B903E649BF842578DAD44E4EA6" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CostOfGoodsAndServicesSold_046213B903E649BF842578DAD44E4EA6" xlink:to="lab_us-gaap_CostOfGoodsAndServicesSold_046213B903E649BF842578DAD44E4EA6" xlink:type="arc"/>
<link:label id="lab_us-gaap_GrossProfit_FEB4011A933F1086793878DAD44E3F13_totalLabel_en-US" xlink:label="lab_us-gaap_GrossProfit_FEB4011A933F1086793878DAD44E3F13" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total gross profit </link:label>
<link:label id="lab_us-gaap_GrossProfit_FEB4011A933F1086793878DAD44E3F13_label_en-US" xlink:label="lab_us-gaap_GrossProfit_FEB4011A933F1086793878DAD44E3F13" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Gross Profit </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_GrossProfit" xlink:label="loc_us-gaap_GrossProfit_FEB4011A933F1086793878DAD44E3F13" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GrossProfit_FEB4011A933F1086793878DAD44E3F13" xlink:to="lab_us-gaap_GrossProfit_FEB4011A933F1086793878DAD44E3F13" xlink:type="arc"/>
<link:label id="lab_us-gaap_OperatingExpensesAbstract_C5AF2ACC70326442A77F78DAD44E80B4_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingExpensesAbstract_C5AF2ACC70326442A77F78DAD44E80B4" 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_C5AF2ACC70326442A77F78DAD44E80B4_label_en-US" xlink:label="lab_us-gaap_OperatingExpensesAbstract_C5AF2ACC70326442A77F78DAD44E80B4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Expenses [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OperatingExpensesAbstract" xlink:label="loc_us-gaap_OperatingExpensesAbstract_C5AF2ACC70326442A77F78DAD44E80B4" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingExpensesAbstract_C5AF2ACC70326442A77F78DAD44E80B4" xlink:to="lab_us-gaap_OperatingExpensesAbstract_C5AF2ACC70326442A77F78DAD44E80B4" xlink:type="arc"/>
<link:label id="lab_us-gaap_ResearchAndDevelopmentExpense_49D34F92B0281B65B90A78DAD44EC3A8_terseLabel_en-US" xlink:label="lab_us-gaap_ResearchAndDevelopmentExpense_49D34F92B0281B65B90A78DAD44EC3A8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Research and development </link:label>
<link:label id="lab_us-gaap_ResearchAndDevelopmentExpense_49D34F92B0281B65B90A78DAD44EC3A8_label_en-US" xlink:label="lab_us-gaap_ResearchAndDevelopmentExpense_49D34F92B0281B65B90A78DAD44EC3A8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Research and Development Expense </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ResearchAndDevelopmentExpense" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpense_49D34F92B0281B65B90A78DAD44EC3A8" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ResearchAndDevelopmentExpense_49D34F92B0281B65B90A78DAD44EC3A8" xlink:to="lab_us-gaap_ResearchAndDevelopmentExpense_49D34F92B0281B65B90A78DAD44EC3A8" xlink:type="arc"/>
<link:label id="lab_us-gaap_SellingAndMarketingExpense_06CF49D79BFDCC56D73878DAD44E873C_terseLabel_en-US" xlink:label="lab_us-gaap_SellingAndMarketingExpense_06CF49D79BFDCC56D73878DAD44E873C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Sales and marketing </link:label>
<link:label id="lab_us-gaap_SellingAndMarketingExpense_06CF49D79BFDCC56D73878DAD44E873C_label_en-US" xlink:label="lab_us-gaap_SellingAndMarketingExpense_06CF49D79BFDCC56D73878DAD44E873C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Selling and Marketing Expense </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SellingAndMarketingExpense" xlink:label="loc_us-gaap_SellingAndMarketingExpense_06CF49D79BFDCC56D73878DAD44E873C" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SellingAndMarketingExpense_06CF49D79BFDCC56D73878DAD44E873C" xlink:to="lab_us-gaap_SellingAndMarketingExpense_06CF49D79BFDCC56D73878DAD44E873C" xlink:type="arc"/>
<link:label id="lab_us-gaap_GeneralAndAdministrativeExpense_223230B9FF7B6E41C72278DAD44E4F68_terseLabel_en-US" xlink:label="lab_us-gaap_GeneralAndAdministrativeExpense_223230B9FF7B6E41C72278DAD44E4F68" 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_223230B9FF7B6E41C72278DAD44E4F68_label_en-US" xlink:label="lab_us-gaap_GeneralAndAdministrativeExpense_223230B9FF7B6E41C72278DAD44E4F68" 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_223230B9FF7B6E41C72278DAD44E4F68" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GeneralAndAdministrativeExpense_223230B9FF7B6E41C72278DAD44E4F68" xlink:to="lab_us-gaap_GeneralAndAdministrativeExpense_223230B9FF7B6E41C72278DAD44E4F68" xlink:type="arc"/>
<link:label id="lab_us-gaap_OperatingExpenses_CD0821D0C24D5C3E249678DAD44E8A3C_totalLabel_en-US" xlink:label="lab_us-gaap_OperatingExpenses_CD0821D0C24D5C3E249678DAD44E8A3C" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total operating expenses </link:label>
<link:label id="lab_us-gaap_OperatingExpenses_CD0821D0C24D5C3E249678DAD44E8A3C_label_en-US" xlink:label="lab_us-gaap_OperatingExpenses_CD0821D0C24D5C3E249678DAD44E8A3C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Expenses </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OperatingExpenses" xlink:label="loc_us-gaap_OperatingExpenses_CD0821D0C24D5C3E249678DAD44E8A3C" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingExpenses_CD0821D0C24D5C3E249678DAD44E8A3C" xlink:to="lab_us-gaap_OperatingExpenses_CD0821D0C24D5C3E249678DAD44E8A3C" xlink:type="arc"/>
<link:label id="lab_us-gaap_OperatingIncomeLoss_11E121D73C6AF9BAC97778DAD44E74ED_totalLabel_en-US" xlink:label="lab_us-gaap_OperatingIncomeLoss_11E121D73C6AF9BAC97778DAD44E74ED" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Operating loss </link:label>
<link:label id="lab_us-gaap_OperatingIncomeLoss_11E121D73C6AF9BAC97778DAD44E74ED_label_en-US" xlink:label="lab_us-gaap_OperatingIncomeLoss_11E121D73C6AF9BAC97778DAD44E74ED" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Income (Loss) </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_us-gaap_OperatingIncomeLoss_11E121D73C6AF9BAC97778DAD44E74ED" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingIncomeLoss_11E121D73C6AF9BAC97778DAD44E74ED" xlink:to="lab_us-gaap_OperatingIncomeLoss_11E121D73C6AF9BAC97778DAD44E74ED" xlink:type="arc"/>
<link:label id="lab_us-gaap_InterestExpense_271C2CE18A74A7A852E578DAD44E04DD_negatedLabel_en-US" xlink:label="lab_us-gaap_InterestExpense_271C2CE18A74A7A852E578DAD44E04DD" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Interest expense </link:label>
<link:label id="lab_us-gaap_InterestExpense_271C2CE18A74A7A852E578DAD44E04DD_label_en-US" xlink:label="lab_us-gaap_InterestExpense_271C2CE18A74A7A852E578DAD44E04DD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Interest Expense </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_InterestExpense" xlink:label="loc_us-gaap_InterestExpense_271C2CE18A74A7A852E578DAD44E04DD" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestExpense_271C2CE18A74A7A852E578DAD44E04DD" xlink:to="lab_us-gaap_InterestExpense_271C2CE18A74A7A852E578DAD44E04DD" xlink:type="arc"/>
<link:label id="lab_us-gaap_NonoperatingIncomeExpense_4B50735F90FCA2235CF678DAD44EF04B_terseLabel_en-US" xlink:label="lab_us-gaap_NonoperatingIncomeExpense_4B50735F90FCA2235CF678DAD44EF04B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other income, net </link:label>
<link:label id="lab_us-gaap_NonoperatingIncomeExpense_4B50735F90FCA2235CF678DAD44EF04B_label_en-US" xlink:label="lab_us-gaap_NonoperatingIncomeExpense_4B50735F90FCA2235CF678DAD44EF04B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Nonoperating Income (Expense) </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NonoperatingIncomeExpense" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_4B50735F90FCA2235CF678DAD44EF04B" xlink:type="locator"/>
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<link:label id="lab_us-gaap_IncomeTaxExpenseBenefit_DAE7D8F24C0570E899B878DAD44FBBD4_verboseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxExpenseBenefit_DAE7D8F24C0570E899B878DAD44FBBD4" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Provision for income taxes </link:label>
<link:label id="lab_us-gaap_IncomeTaxExpenseBenefit_DAE7D8F24C0570E899B878DAD44FBBD4_label_en-US" xlink:label="lab_us-gaap_IncomeTaxExpenseBenefit_DAE7D8F24C0570E899B878DAD44FBBD4" 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_AvailableForSaleSecuritiesTextBlock_5A33CD75DEF018E5599CBA135F5E330C_terseLabel_en-US" xlink:label="lab_us-gaap_AvailableForSaleSecuritiesTextBlock_5A33CD75DEF018E5599CBA135F5E330C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of available-for-sale investments </link:label>
<link:label id="lab_us-gaap_AvailableForSaleSecuritiesTextBlock_5A33CD75DEF018E5599CBA135F5E330C_label_en-US" xlink:label="lab_us-gaap_AvailableForSaleSecuritiesTextBlock_5A33CD75DEF018E5599CBA135F5E330C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Available-for-sale Securities [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_AvailableForSaleSecuritiesTextBlock" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesTextBlock_5A33CD75DEF018E5599CBA135F5E330C" xlink:type="locator"/>
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<link:label id="lab_us-gaap_InvestmentsClassifiedByContractualMaturityDateTableTextBlock_4E2C8E232193B458AB10BA135F5EDD01_terseLabel_en-US" xlink:label="lab_us-gaap_InvestmentsClassifiedByContractualMaturityDateTableTextBlock_4E2C8E232193B458AB10BA135F5EDD01" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of contractual maturities of available-for-sale investments </link:label>
<link:label id="lab_us-gaap_InvestmentsClassifiedByContractualMaturityDateTableTextBlock_4E2C8E232193B458AB10BA135F5EDD01_label_en-US" xlink:label="lab_us-gaap_InvestmentsClassifiedByContractualMaturityDateTableTextBlock_4E2C8E232193B458AB10BA135F5EDD01" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Investments Classified by Contractual Maturity Date [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_InvestmentsClassifiedByContractualMaturityDateTableTextBlock" xlink:label="loc_us-gaap_InvestmentsClassifiedByContractualMaturityDateTableTextBlock_4E2C8E232193B458AB10BA135F5EDD01" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_132DFC74479D818B8F8E6FE65A375544_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_132DFC74479D818B8F8E6FE65A375544" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs </link:label>
<link:label id="lab_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_132DFC74479D818B8F8E6FE65A375544_label_en-US" xlink:label="lab_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_132DFC74479D818B8F8E6FE65A375544" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable" xlink:label="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_132DFC74479D818B8F8E6FE65A375544" xlink:type="locator"/>
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<link:label id="lab_us-gaap_IncomeStatementLocationAxis_2F11BB7C55302FDF9C856FE65A375489_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeStatementLocationAxis_2F11BB7C55302FDF9C856FE65A375489" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs, by Report Line </link:label>
<link:label id="lab_us-gaap_IncomeStatementLocationAxis_2F11BB7C55302FDF9C856FE65A375489_label_en-US" xlink:label="lab_us-gaap_IncomeStatementLocationAxis_2F11BB7C55302FDF9C856FE65A375489" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income Statement Location [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeStatementLocationAxis" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_2F11BB7C55302FDF9C856FE65A375489" xlink:type="locator"/>
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<link:label id="lab_us-gaap_IncomeStatementLocationDomain_0599A6A040912EAE46766FE65A372717_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeStatementLocationDomain_0599A6A040912EAE46766FE65A372717" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Employee Service Share-based Compensation, Allocation of Recognized Period Costs, Report Line </link:label>
<link:label id="lab_us-gaap_IncomeStatementLocationDomain_0599A6A040912EAE46766FE65A372717_label_en-US" xlink:label="lab_us-gaap_IncomeStatementLocationDomain_0599A6A040912EAE46766FE65A372717" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income Statement Location [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_0599A6A040912EAE46766FE65A372717" xlink:type="locator"/>
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<link:label id="lab_panw_CostOfGoodsSoldMember_FF489D213EE3D73FAA116FE65A377F11_terseLabel_en-US" xlink:label="lab_panw_CostOfGoodsSoldMember_FF489D213EE3D73FAA116FE65A377F11" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Cost of product revenue </link:label>
<link:label id="lab_panw_CostOfGoodsSoldMember_FF489D213EE3D73FAA116FE65A377F11_label_en-US" xlink:label="lab_panw_CostOfGoodsSoldMember_FF489D213EE3D73FAA116FE65A377F11" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cost of Goods Sold [Member] </link:label>
<link:label id="lab_panw_CostOfGoodsSoldMember_FF489D213EE3D73FAA116FE65A377F11_documentation_en-US" xlink:label="lab_panw_CostOfGoodsSoldMember_FF489D213EE3D73FAA116FE65A377F11" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Cost of Goods Sold [Member] </link:label>
<link:loc xlink:href="panw-20161031.xsd#panw_CostOfGoodsSoldMember" xlink:label="loc_panw_CostOfGoodsSoldMember_FF489D213EE3D73FAA116FE65A377F11" xlink:type="locator"/>
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<link:label id="lab_panw_CostOfServicesMember_4BEE90F669210AB6CF1D6FE65A37633F_terseLabel_en-US" xlink:label="lab_panw_CostOfServicesMember_4BEE90F669210AB6CF1D6FE65A37633F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Cost of subscription and support revenue </link:label>
<link:label id="lab_panw_CostOfServicesMember_4BEE90F669210AB6CF1D6FE65A37633F_label_en-US" xlink:label="lab_panw_CostOfServicesMember_4BEE90F669210AB6CF1D6FE65A37633F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cost of Services [Member] </link:label>
<link:label id="lab_panw_CostOfServicesMember_4BEE90F669210AB6CF1D6FE65A37633F_documentation_en-US" xlink:label="lab_panw_CostOfServicesMember_4BEE90F669210AB6CF1D6FE65A37633F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Cost of Services [Member] </link:label>
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<link:label id="lab_us-gaap_ResearchAndDevelopmentExpenseMember_58D78FB79D4975B817056FE65A37834F_terseLabel_en-US" xlink:label="lab_us-gaap_ResearchAndDevelopmentExpenseMember_58D78FB79D4975B817056FE65A37834F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Research and development </link:label>
<link:label id="lab_us-gaap_ResearchAndDevelopmentExpenseMember_58D78FB79D4975B817056FE65A37834F_label_en-US" xlink:label="lab_us-gaap_ResearchAndDevelopmentExpenseMember_58D78FB79D4975B817056FE65A37834F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Research and Development Expense [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ResearchAndDevelopmentExpenseMember" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpenseMember_58D78FB79D4975B817056FE65A37834F" xlink:type="locator"/>
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<link:label id="lab_us-gaap_SellingAndMarketingExpenseMember_31557CFC3B1764F840676FE65A3787D6_terseLabel_en-US" xlink:label="lab_us-gaap_SellingAndMarketingExpenseMember_31557CFC3B1764F840676FE65A3787D6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Sales and marketing </link:label>
<link:label id="lab_us-gaap_SellingAndMarketingExpenseMember_31557CFC3B1764F840676FE65A3787D6_label_en-US" xlink:label="lab_us-gaap_SellingAndMarketingExpenseMember_31557CFC3B1764F840676FE65A3787D6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Selling and Marketing Expense [Member] </link:label>
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<link:label id="lab_us-gaap_GeneralAndAdministrativeExpenseMember_77A09A34308DB818C5DB6FE65A37A417_terseLabel_en-US" xlink:label="lab_us-gaap_GeneralAndAdministrativeExpenseMember_77A09A34308DB818C5DB6FE65A37A417" 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_GeneralAndAdministrativeExpenseMember_77A09A34308DB818C5DB6FE65A37A417_label_en-US" xlink:label="lab_us-gaap_GeneralAndAdministrativeExpenseMember_77A09A34308DB818C5DB6FE65A37A417" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> General and Administrative Expense [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_GeneralAndAdministrativeExpenseMember" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpenseMember_77A09A34308DB818C5DB6FE65A37A417" xlink:type="locator"/>
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<link:label id="lab_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_5E808B45FE0E5089CDAF6FE65A37D0DA_terseLabel_en-US" xlink:label="lab_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_5E808B45FE0E5089CDAF6FE65A37D0DA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Employee Service Share-based Compensation, Allocation of Recognized Period Costs </link:label>
<link:label id="lab_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_5E808B45FE0E5089CDAF6FE65A37D0DA_label_en-US" xlink:label="lab_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_5E808B45FE0E5089CDAF6FE65A37D0DA" 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, Compensation Cost [Line Items] </link:label>
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<link:label id="lab_us-gaap_AllocatedShareBasedCompensationExpense_86913B6CF617072513866FE65A372C36_terseLabel_en-US" xlink:label="lab_us-gaap_AllocatedShareBasedCompensationExpense_86913B6CF617072513866FE65A372C36" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Share-based compensation expense </link:label>
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<link:label id="lab_us-gaap_AmortizationOfDebtDiscountPremium_E70DE8832CCCC4CC35F7BA135F01A76D_terseLabel_en-US" xlink:label="lab_us-gaap_AmortizationOfDebtDiscountPremium_E70DE8832CCCC4CC35F7BA135F01A76D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Amortization of debt discount </link:label>
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<link:label id="lab_us-gaap_InterestExpenseDebt_BF0020FC5B2C3BD352B3BA135F013A1F_totalLabel_en-US" xlink:label="lab_us-gaap_InterestExpenseDebt_BF0020FC5B2C3BD352B3BA135F013A1F" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total interest expense recognized </link:label>
<link:label id="lab_us-gaap_InterestExpenseDebt_BF0020FC5B2C3BD352B3BA135F013A1F_label_en-US" xlink:label="lab_us-gaap_InterestExpenseDebt_BF0020FC5B2C3BD352B3BA135F013A1F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Interest Expense, Debt </link:label>
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<link:label id="lab_us-gaap_DebtInstrumentInterestRateEffectivePercentage_90A3DEEEC241E78CF3CCBA135F016615_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentInterestRateEffectivePercentage_90A3DEEEC241E78CF3CCBA135F016615" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Effective interest rate of the liability component (in percentage) </link:label>
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<link:label id="lab_us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_1A7E73675A55B8A518407E95E06D2EAB_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_1A7E73675A55B8A518407E95E06D2EAB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of stock option activities </link:label>
<link:label id="lab_us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_1A7E73675A55B8A518407E95E06D2EAB_label_en-US" xlink:label="lab_us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_1A7E73675A55B8A518407E95E06D2EAB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block] </link:label>
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<link:label id="lab_us-gaap_ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock_3B0FD0F553C2988F9D277E95E06D3FE9_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock_3B0FD0F553C2988F9D277E95E06D3FE9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of restricted stock unit (“RSU”), restricted stock award (“RSA”), and performance-based stock award (“PSA”) activities </link:label>
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<link:label id="lab_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock_358A7F6090FF6B32A4417E95E06DBE1B_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock_358A7F6090FF6B32A4417E95E06DBE1B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of allocation of share based compensation expense </link:label>
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<link:label id="lab_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax_FBE0EF36EE63F82F75276FE65AB72FF9_terseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax_FBE0EF36EE63F82F75276FE65AB72FF9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Change in unrealized gains (losses) on investments </link:label>
<link:label id="lab_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax_FBE0EF36EE63F82F75276FE65AB72FF9_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax_FBE0EF36EE63F82F75276FE65AB72FF9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax_FBE0EF36EE63F82F75276FE65AB72FF9" xlink:type="locator"/>
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<link:label id="lab_us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax_4837C7ACA0A460E172B07012610CE2B5_terseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax_4837C7ACA0A460E172B07012610CE2B5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Change in unrealized gains (losses) on cash flow hedges </link:label>
<link:label id="lab_us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax_4837C7ACA0A460E172B07012610CE2B5_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax_4837C7ACA0A460E172B07012610CE2B5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax_4837C7ACA0A460E172B07012610CE2B5" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ComprehensiveIncomeNetOfTax_7FA66E191717C37ABDE56FE65AB73EC2_totalLabel_en-US" xlink:label="lab_us-gaap_ComprehensiveIncomeNetOfTax_7FA66E191717C37ABDE56FE65AB73EC2" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Comprehensive loss </link:label>
<link:label id="lab_us-gaap_ComprehensiveIncomeNetOfTax_7FA66E191717C37ABDE56FE65AB73EC2_label_en-US" xlink:label="lab_us-gaap_ComprehensiveIncomeNetOfTax_7FA66E191717C37ABDE56FE65AB73EC2" 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>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTax" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_7FA66E191717C37ABDE56FE65AB73EC2" xlink:type="locator"/>
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<link:label id="lab_us-gaap_StatementOfCashFlowsAbstract_785BC6657F1B181FAF3C6FE65AA8CC09_label_en-US" xlink:label="lab_us-gaap_StatementOfCashFlowsAbstract_785BC6657F1B181FAF3C6FE65AA8CC09" 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_785BC6657F1B181FAF3C6FE65AA8CC09" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_785BC6657F1B181FAF3C6FE65AA8CC09" xlink:to="lab_us-gaap_StatementOfCashFlowsAbstract_785BC6657F1B181FAF3C6FE65AA8CC09" xlink:type="arc"/>
<link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_4D0EC22C10D64DFC5B5B6FE65AA8DAD5_terseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_4D0EC22C10D64DFC5B5B6FE65AA8DAD5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Cash flows from operating activities </link:label>
<link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_4D0EC22C10D64DFC5B5B6FE65AA8DAD5_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_4D0EC22C10D64DFC5B5B6FE65AA8DAD5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_4D0EC22C10D64DFC5B5B6FE65AA8DAD5" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_4D0EC22C10D64DFC5B5B6FE65AA8DAD5" xlink:to="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_4D0EC22C10D64DFC5B5B6FE65AA8DAD5" xlink:type="arc"/>
<link:label id="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_2629B1283289079A3C216FE65AA851B7_terseLabel_en-US" xlink:label="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_2629B1283289079A3C216FE65AA851B7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Adjustments to reconcile net loss to net cash provided by operating activities: </link:label>
<link:label id="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_2629B1283289079A3C216FE65AA851B7_label_en-US" xlink:label="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_2629B1283289079A3C216FE65AA851B7" 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_2629B1283289079A3C216FE65AA851B7" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ShareBasedCompensation_8E59B4F93C66BA6D53FF6FE65AA87AF4_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensation_8E59B4F93C66BA6D53FF6FE65AA87AF4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Share-based compensation for equity based awards </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensation_8E59B4F93C66BA6D53FF6FE65AA87AF4_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensation_8E59B4F93C66BA6D53FF6FE65AA87AF4" 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_8E59B4F93C66BA6D53FF6FE65AA87AF4" xlink:type="locator"/>
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<link:label id="lab_us-gaap_DepreciationDepletionAndAmortization_3B07232E952C54BE52E56FE65AA8A3EE_terseLabel_en-US" xlink:label="lab_us-gaap_DepreciationDepletionAndAmortization_3B07232E952C54BE52E56FE65AA8A3EE" 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_3B07232E952C54BE52E56FE65AA8A3EE_label_en-US" xlink:label="lab_us-gaap_DepreciationDepletionAndAmortization_3B07232E952C54BE52E56FE65AA8A3EE" 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_3B07232E952C54BE52E56FE65AA8A3EE" xlink:type="locator"/>
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<link:label id="lab_us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments_3F6069D4B768102C4F056FE65AA8E3CC_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments_3F6069D4B768102C4F056FE65AA8E3CC" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Amortization of investment premiums, net of accretion of purchase discounts </link:label>
<link:label id="lab_us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments_3F6069D4B768102C4F056FE65AA8E3CC_label_en-US" xlink:label="lab_us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments_3F6069D4B768102C4F056FE65AA8E3CC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accretion (Amortization) of Discounts and Premiums, Investments </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments" xlink:label="loc_us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments_3F6069D4B768102C4F056FE65AA8E3CC" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments_3F6069D4B768102C4F056FE65AA8E3CC" xlink:to="lab_us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments_3F6069D4B768102C4F056FE65AA8E3CC" xlink:type="arc"/>
<link:label id="lab_us-gaap_AmortizationOfFinancingCostsAndDiscounts_6923A0C4114F19C2AF076FE65AA8E801_terseLabel_en-US" xlink:label="lab_us-gaap_AmortizationOfFinancingCostsAndDiscounts_6923A0C4114F19C2AF076FE65AA8E801" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Amortization of debt discount and debt issuance costs </link:label>
<link:label id="lab_us-gaap_AmortizationOfFinancingCostsAndDiscounts_6923A0C4114F19C2AF076FE65AA8E801_label_en-US" xlink:label="lab_us-gaap_AmortizationOfFinancingCostsAndDiscounts_6923A0C4114F19C2AF076FE65AA8E801" 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_6923A0C4114F19C2AF076FE65AA8E801" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities_81865B935A20FF75A5306FE65AB76364_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities_81865B935A20FF75A5306FE65AB76364" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Excess tax benefit from share-based compensation arrangements </link:label>
<link:label id="lab_us-gaap_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities_81865B935A20FF75A5306FE65AB76364_label_en-US" xlink:label="lab_us-gaap_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities_81865B935A20FF75A5306FE65AB76364" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Excess Tax Benefit from Share-based Compensation, Operating Activities </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities" xlink:label="loc_us-gaap_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities_81865B935A20FF75A5306FE65AB76364" xlink:type="locator"/>
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<link:label id="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_8FC48A2727111C17771D6FE65AB78F27_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_8FC48A2727111C17771D6FE65AB78F27" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Changes in operating assets and liabilities: </link:label>
<link:label id="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_8FC48A2727111C17771D6FE65AB78F27_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_8FC48A2727111C17771D6FE65AB78F27" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Increase (Decrease) in Operating Capital [Abstract] </link:label>
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<link:label id="lab_us-gaap_IncreaseDecreaseInAccountsReceivable_6981BC88E878C083B7A96FE65AB78F9C_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsReceivable_6981BC88E878C083B7A96FE65AB78F9C" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Accounts receivable, net </link:label>
<link:label id="lab_us-gaap_IncreaseDecreaseInAccountsReceivable_6981BC88E878C083B7A96FE65AB78F9C_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsReceivable_6981BC88E878C083B7A96FE65AB78F9C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Increase (Decrease) in Accounts Receivable </link:label>
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<link:label id="lab_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_4CF84FC8BADB6925637C6FE65AB77763_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_4CF84FC8BADB6925637C6FE65AB77763" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Prepaid expenses and other assets </link:label>
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<link:label id="lab_us-gaap_IncreaseDecreaseInDeferredRevenue_7358BB016044032999346FE65AB7FD09_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInDeferredRevenue_7358BB016044032999346FE65AB7FD09" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Increase (Decrease) in Deferred Revenue </link:label>
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<link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_512A836E1229EDB50D566FE65AB73013_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_512A836E1229EDB50D566FE65AB73013" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Net cash provided by operating activities </link:label>
<link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_512A836E1229EDB50D566FE65AB73013_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_512A836E1229EDB50D566FE65AB73013" 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>
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<link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_BAF55BFDC366AE5F44976FE65AB720CE_terseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_BAF55BFDC366AE5F44976FE65AB720CE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Cash flows from investing activities </link:label>
<link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_BAF55BFDC366AE5F44976FE65AB720CE_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_BAF55BFDC366AE5F44976FE65AB720CE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_BAF55BFDC366AE5F44976FE65AB720CE" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_BAF55BFDC366AE5F44976FE65AB720CE" xlink:to="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_BAF55BFDC366AE5F44976FE65AB720CE" xlink:type="arc"/>
<link:label id="lab_us-gaap_PaymentsToAcquireAvailableForSaleSecurities_16805814ADD7AC68AA3F6FE65AB766E4_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireAvailableForSaleSecurities_16805814ADD7AC68AA3F6FE65AB766E4" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Purchases of investments </link:label>
<link:label id="lab_us-gaap_PaymentsToAcquireAvailableForSaleSecurities_16805814ADD7AC68AA3F6FE65AB766E4_label_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireAvailableForSaleSecurities_16805814ADD7AC68AA3F6FE65AB766E4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Payments to Acquire Available-for-sale Securities </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PaymentsToAcquireAvailableForSaleSecurities" xlink:label="loc_us-gaap_PaymentsToAcquireAvailableForSaleSecurities_16805814ADD7AC68AA3F6FE65AB766E4" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsToAcquireAvailableForSaleSecurities_16805814ADD7AC68AA3F6FE65AB766E4" xlink:to="lab_us-gaap_PaymentsToAcquireAvailableForSaleSecurities_16805814ADD7AC68AA3F6FE65AB766E4" xlink:type="arc"/>
<link:label id="lab_us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities_6C6B7915C767BCA483566FE65AB76766_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities_6C6B7915C767BCA483566FE65AB76766" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Proceeds from sales of investments </link:label>
<link:label id="lab_us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities_6C6B7915C767BCA483566FE65AB76766_label_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities_6C6B7915C767BCA483566FE65AB76766" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Proceeds from Sale of Available-for-sale Securities </link:label>
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<link:label id="lab_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities_12485B622E1F00799C076FE65AB7EBA7_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities_12485B622E1F00799C076FE65AB7EBA7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Proceeds from maturities of investments </link:label>
<link:label id="lab_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities_12485B622E1F00799C076FE65AB7EBA7_label_en-US" xlink:label="lab_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities_12485B622E1F00799C076FE65AB7EBA7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Proceeds from Maturities, Prepayments and Calls of Available-for-sale Securities </link:label>
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<link:label id="lab_us-gaap_PaymentsToAcquireProductiveAssets_EABB0ACE9403D26E12AC6FE65AB7DEF9_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireProductiveAssets_EABB0ACE9403D26E12AC6FE65AB7DEF9" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Purchases of property, equipment, and other assets </link:label>
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<link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_A139F403E58358BE22B16FE65AB7C0B2_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_A139F403E58358BE22B16FE65AB7C0B2" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Net cash used in investing activities </link:label>
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<link:label id="lab_us-gaap_PaymentsForRepurchaseOfCommonStock_8D72E9104C9B873D1DC77070ADFC81F6_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_PaymentsForRepurchaseOfCommonStock_8D72E9104C9B873D1DC77070ADFC81F6" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Repurchases of common stock </link:label>
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<link:label id="lab_us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions_9F0BEFC4570094E4966C6FE65AB7CCCC_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions_9F0BEFC4570094E4966C6FE65AB7CCCC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Proceeds from sales of shares through employee equity incentive plans </link:label>
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<link:label id="lab_us-gaap_FairValueOfFinancialInstrumentsPolicy_BD59F333D4F8EE2B972374FFFA078A3A_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueOfFinancialInstrumentsPolicy_BD59F333D4F8EE2B972374FFFA078A3A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Fair Value Measurements </link:label>
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<link:label id="lab_us-gaap_DerivativesEmbeddedDerivatives_81CDB7719ADC1828C1DB75A8D02710F0_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativesEmbeddedDerivatives_81CDB7719ADC1828C1DB75A8D02710F0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Derivative Instruments </link:label>
<link:label id="lab_us-gaap_DerivativesEmbeddedDerivatives_81CDB7719ADC1828C1DB75A8D02710F0_label_en-US" xlink:label="lab_us-gaap_DerivativesEmbeddedDerivatives_81CDB7719ADC1828C1DB75A8D02710F0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Derivatives, Embedded Derivatives [Policy Text Block] </link:label>
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<link:label id="lab_us-gaap_EffectiveIncomeTaxRateContinuingOperations_5879FCE33E914CB1B9F8752342DEECFD_terseLabel_en-US" xlink:label="lab_us-gaap_EffectiveIncomeTaxRateContinuingOperations_5879FCE33E914CB1B9F8752342DEECFD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Effective income tax rate (in percentage) </link:label>
<link:label id="lab_us-gaap_EffectiveIncomeTaxRateContinuingOperations_5879FCE33E914CB1B9F8752342DEECFD_label_en-US" xlink:label="lab_us-gaap_EffectiveIncomeTaxRateContinuingOperations_5879FCE33E914CB1B9F8752342DEECFD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Effective Income Tax Rate Reconciliation, Percent </link:label>
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<link:label id="lab_us-gaap_DebtInstrumentsAbstract_0AB3FC771227A3DC7EF7894B8DDF96E3_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentsAbstract_0AB3FC771227A3DC7EF7894B8DDF96E3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instruments [Abstract] </link:label>
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<link:label id="lab_us-gaap_DebtInstrumentCarryingAmount_CA430B0E3288EF82349B894B8DDF5E3D_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentCarryingAmount_CA430B0E3288EF82349B894B8DDF5E3D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Principal </link:label>
<link:label id="lab_us-gaap_DebtInstrumentCarryingAmount_CA430B0E3288EF82349B894B8DDF5E3D_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentCarryingAmount_CA430B0E3288EF82349B894B8DDF5E3D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Debt, Gross </link:label>
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<link:label id="lab_us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet_6CB8B687C58FC677D75089529A60E8AB_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet_6CB8B687C58FC677D75089529A60E8AB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Less: debt discount and debt issuance costs, net of amortization </link:label>
<link:label id="lab_us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet_6CB8B687C58FC677D75089529A60E8AB_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet_6CB8B687C58FC677D75089529A60E8AB" 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_LongTermDebt_A36A997D84BE80E85C7B894B8DDF96C3_totalLabel_en-US" xlink:label="lab_us-gaap_LongTermDebt_A36A997D84BE80E85C7B894B8DDF96C3" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Net carrying amount </link:label>
<link:label id="lab_us-gaap_LongTermDebt_A36A997D84BE80E85C7B894B8DDF96C3_label_en-US" xlink:label="lab_us-gaap_LongTermDebt_A36A997D84BE80E85C7B894B8DDF96C3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Debt </link:label>
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<link:label id="lab_us-gaap_DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent_23FB96E56753DE95F4BA894B8DDFBFAE_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent_23FB96E56753DE95F4BA894B8DDFBFAE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Equity (including temporary equity) </link:label>
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<link:label id="lab_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAmortizedCostAbstract_FB7A0EB303A352603394BA135F01A02B_terseLabel_en-US" xlink:label="lab_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAmortizedCostAbstract_FB7A0EB303A352603394BA135F01A02B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Amortized Cost </link:label>
<link:label id="lab_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAmortizedCostAbstract_FB7A0EB303A352603394BA135F01A02B_label_en-US" xlink:label="lab_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAmortizedCostAbstract_FB7A0EB303A352603394BA135F01A02B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract] </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_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_0DD57CCF8F73A68E64347523434B2D02" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_0DD57CCF8F73A68E64347523434B2D02" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_0DD57CCF8F73A68E64347523434B2D02" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_C2EFEDF5B557530AB1987523434B1F19_periodStartLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_C2EFEDF5B557530AB1987523434B1F19" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US"> Balance, beginning (in usd per share) </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_C2EFEDF5B557530AB1987523434B1F19_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_C2EFEDF5B557530AB1987523434B1F19" 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_C2EFEDF5B557530AB1987523434B1F19" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_C2EFEDF5B557530AB1987523434B1F19" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_C2EFEDF5B557530AB1987523434B1F19" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_9B32CC008749635639E47523434BCBA3_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_9B32CC008749635639E47523434BCBA3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Options granted (in usd per share) </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_9B32CC008749635639E47523434BCBA3_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_9B32CC008749635639E47523434BCBA3" 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_9B32CC008749635639E47523434BCBA3" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_9B32CC008749635639E47523434BCBA3" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_9B32CC008749635639E47523434BCBA3" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice_1972910037D507448F277523434BCEA0_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice_1972910037D507448F277523434BCEA0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Options forfeited (in usd per share) </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice_1972910037D507448F277523434BCEA0_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice_1972910037D507448F277523434BCEA0" 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, Forfeitures 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_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice_1972910037D507448F277523434BCEA0" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice_1972910037D507448F277523434BCEA0" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice_1972910037D507448F277523434BCEA0" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_A2A8B149C1DB553F98E57523434B811E_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_A2A8B149C1DB553F98E57523434B811E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Options exercised (in usd per share) </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_A2A8B149C1DB553F98E57523434B811E_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_A2A8B149C1DB553F98E57523434B811E" 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_A2A8B149C1DB553F98E57523434B811E" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_A2A8B149C1DB553F98E57523434B811E" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_A2A8B149C1DB553F98E57523434B811E" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_003B4B709D88B0AD736D7523434BB3B3_periodEndLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_003B4B709D88B0AD736D7523434BB3B3" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US"> Balance, ending (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_003B4B709D88B0AD736D7523434BB3B3" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_003B4B709D88B0AD736D7523434BB3B3" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_003B4B709D88B0AD736D7523434BB3B3" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_2A16DFA437D8B10DFA4E7523434BC344_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_2A16DFA437D8B10DFA4E7523434BC344" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Options, Additional Disclosures </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_2A16DFA437D8B10DFA4E7523434BC344_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_2A16DFA437D8B10DFA4E7523434BC344" 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, Additional Disclosures [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_2A16DFA437D8B10DFA4E7523434BC344" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_2A16DFA437D8B10DFA4E7523434BC344" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_2A16DFA437D8B10DFA4E7523434BC344" xlink:type="arc"/>
<link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_06B9DFF334C7C530D5B37523434BA306_terseLabel_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_06B9DFF334C7C530D5B37523434BA306" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Weighted-average remaining contractual life (in years) </link:label>
<link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_06B9DFF334C7C530D5B37523434BA306_label_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_06B9DFF334C7C530D5B37523434BA306" 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 Remaining Contractual Term </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_06B9DFF334C7C530D5B37523434BA306" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_06B9DFF334C7C530D5B37523434BA306" xlink:to="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_06B9DFF334C7C530D5B37523434BA306" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_B3270B9FDCE2E609A24C7523434B0F81_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_B3270B9FDCE2E609A24C7523434B0F81" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Aggregate intrinsic value </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_B3270B9FDCE2E609A24C7523434B0F81_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_B3270B9FDCE2E609A24C7523434B0F81" 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, Intrinsic Value </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_B3270B9FDCE2E609A24C7523434B0F81" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_B3270B9FDCE2E609A24C7523434B0F81" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_B3270B9FDCE2E609A24C7523434B0F81" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber_A96A58A1BBE93BED328F7523434B751A_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber_A96A58A1BBE93BED328F7523434B751A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Options vested and expected to vest (in shares) </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber_A96A58A1BBE93BED328F7523434B751A_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber_A96A58A1BBE93BED328F7523434B751A" 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_A96A58A1BBE93BED328F7523434B751A" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber_A96A58A1BBE93BED328F7523434B751A" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber_A96A58A1BBE93BED328F7523434B751A" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice_D0CE70421AB8173419D47523434BA679_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice_D0CE70421AB8173419D47523434BA679" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Options vested and expected to vest, weighted-average exercise price (in usd per share) </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice_D0CE70421AB8173419D47523434BA679_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice_D0CE70421AB8173419D47523434BA679" 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_D0CE70421AB8173419D47523434BA679" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice_D0CE70421AB8173419D47523434BA679" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice_D0CE70421AB8173419D47523434BA679" xlink:type="arc"/>
<link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1_2059A3FD703EAF2E3A3A7523434BCABA_terseLabel_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1_2059A3FD703EAF2E3A3A7523434BCABA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Options vested and expected to vest, weighted-average remaining contractual term (in years) </link:label>
<link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1_2059A3FD703EAF2E3A3A7523434BCABA_label_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1_2059A3FD703EAF2E3A3A7523434BCABA" 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 Remaining Contractual Term </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1_2059A3FD703EAF2E3A3A7523434BCABA" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1_2059A3FD703EAF2E3A3A7523434BCABA" xlink:to="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1_2059A3FD703EAF2E3A3A7523434BCABA" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue_24A8CA0A8885F5BC3ADE7523434B9246_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue_24A8CA0A8885F5BC3ADE7523434B9246" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Options vested and expected to vest, aggregate intrinsic value </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue_24A8CA0A8885F5BC3ADE7523434B9246_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue_24A8CA0A8885F5BC3ADE7523434B9246" 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, Aggregate Intrinsic Value </link:label>
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<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_19F1F0E20558C215C8847523434BA038_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_19F1F0E20558C215C8847523434BA038" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Options exercisable (in shares) </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_19F1F0E20558C215C8847523434BA038_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_19F1F0E20558C215C8847523434BA038" 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, Exercisable, Number </link:label>
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<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_5FD5057793536D7F0F347523434B9C6C_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_5FD5057793536D7F0F347523434B9C6C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" 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_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_5FD5057793536D7F0F347523434B9C6C_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_5FD5057793536D7F0F347523434B9C6C" 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, Exercisable, Weighted Average Exercise Price </link:label>
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<link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_9278238C7A871D771F517523434BF42A_verboseLabel_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_9278238C7A871D771F517523434BF42A" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Options exercisable, weighted-average remaining contractual term (in years) </link:label>
<link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_9278238C7A871D771F517523434BF42A_label_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_9278238C7A871D771F517523434BF42A" 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, Exercisable, Weighted Average Remaining Contractual Term </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_9278238C7A871D771F517523434BF42A" xlink:type="locator"/>
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<link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_77449462272EFD7B08B97523434BB048_terseLabel_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_77449462272EFD7B08B97523434BB048" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Options exercisable, aggregate intrinsic value </link:label>
<link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_77449462272EFD7B08B97523434BB048_label_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_77449462272EFD7B08B97523434BB048" 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, Exercisable, Intrinsic Value </link:label>
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<link:label id="lab_us-gaap_StatementOfFinancialPositionAbstract_420D12A324871E07E9DDBA135F309FAE_label_en-US" xlink:label="lab_us-gaap_StatementOfFinancialPositionAbstract_420D12A324871E07E9DDBA135F309FAE" 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_420D12A324871E07E9DDBA135F309FAE" xlink:type="locator"/>
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<link:label id="lab_us-gaap_AssetsAbstract_93787A24ED2A9EC5CA2CBA135F30F326_terseLabel_en-US" xlink:label="lab_us-gaap_AssetsAbstract_93787A24ED2A9EC5CA2CBA135F30F326" 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_93787A24ED2A9EC5CA2CBA135F30F326_label_en-US" xlink:label="lab_us-gaap_AssetsAbstract_93787A24ED2A9EC5CA2CBA135F30F326" 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_93787A24ED2A9EC5CA2CBA135F30F326" xlink:type="locator"/>
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<link:label id="lab_us-gaap_AssetsCurrentAbstract_34B083591A1B2B97A1ECBA135F3079A2_terseLabel_en-US" xlink:label="lab_us-gaap_AssetsCurrentAbstract_34B083591A1B2B97A1ECBA135F3079A2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Current assets: </link:label>
<link:label id="lab_us-gaap_AssetsCurrentAbstract_34B083591A1B2B97A1ECBA135F3079A2_label_en-US" xlink:label="lab_us-gaap_AssetsCurrentAbstract_34B083591A1B2B97A1ECBA135F3079A2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Assets, Current [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AssetsCurrentAbstract" xlink:label="loc_us-gaap_AssetsCurrentAbstract_34B083591A1B2B97A1ECBA135F3079A2" xlink:type="locator"/>
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<link:label id="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_73657DB8D8F6795027CFBA135F30198B_terseLabel_en-US" xlink:label="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_73657DB8D8F6795027CFBA135F30198B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Allowance for doubtful accounts (in usd) </link:label>
<link:label id="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_73657DB8D8F6795027CFBA135F30198B_label_en-US" xlink:label="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_73657DB8D8F6795027CFBA135F30198B" 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_73657DB8D8F6795027CFBA135F30198B" xlink:type="locator"/>
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<link:label id="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract_8F3D7A07370A2EF9CA7EBA135F307C1E_terseLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract_8F3D7A07370A2EF9CA7EBA135F307C1E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Liabilities, temporary equity, and stockholders’ equity </link:label>
<link:label id="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract_8F3D7A07370A2EF9CA7EBA135F307C1E_label_en-US" xlink:label="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract_8F3D7A07370A2EF9CA7EBA135F307C1E" 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_8F3D7A07370A2EF9CA7EBA135F307C1E" xlink:type="locator"/>
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<link:label id="lab_us-gaap_StockholdersEquityAbstract_C009F7BBF10AE0DC0B07BA135F3010A0_terseLabel_en-US" xlink:label="lab_us-gaap_StockholdersEquityAbstract_C009F7BBF10AE0DC0B07BA135F3010A0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Stockholders' equity: </link:label>
<link:label id="lab_us-gaap_StockholdersEquityAbstract_C009F7BBF10AE0DC0B07BA135F3010A0_label_en-US" xlink:label="lab_us-gaap_StockholdersEquityAbstract_C009F7BBF10AE0DC0B07BA135F3010A0" 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_C009F7BBF10AE0DC0B07BA135F3010A0" xlink:type="locator"/>
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<link:label id="lab_us-gaap_PreferredStockParOrStatedValuePerShare_5ED28DD25B6903F57726BA135F30E552_terseLabel_en-US" xlink:label="lab_us-gaap_PreferredStockParOrStatedValuePerShare_5ED28DD25B6903F57726BA135F30E552" 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_5ED28DD25B6903F57726BA135F30E552_label_en-US" xlink:label="lab_us-gaap_PreferredStockParOrStatedValuePerShare_5ED28DD25B6903F57726BA135F30E552" 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_PreferredStockSharesAuthorized_58E927E823AA7573A413BA135F30A5B5_terseLabel_en-US" xlink:label="lab_us-gaap_PreferredStockSharesAuthorized_58E927E823AA7573A413BA135F30A5B5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Preferred stock, shares authorized (in shares) </link:label>
<link:label id="lab_us-gaap_PreferredStockSharesAuthorized_58E927E823AA7573A413BA135F30A5B5_label_en-US" xlink:label="lab_us-gaap_PreferredStockSharesAuthorized_58E927E823AA7573A413BA135F30A5B5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Preferred Stock, Shares Authorized </link:label>
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<link:label id="lab_us-gaap_PreferredStockSharesIssued_C1DF923FDCC2A99AAAE4BA135F300073_terseLabel_en-US" xlink:label="lab_us-gaap_PreferredStockSharesIssued_C1DF923FDCC2A99AAAE4BA135F300073" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Preferred stock, shares issued (in shares) </link:label>
<link:label id="lab_us-gaap_PreferredStockSharesIssued_C1DF923FDCC2A99AAAE4BA135F300073_label_en-US" xlink:label="lab_us-gaap_PreferredStockSharesIssued_C1DF923FDCC2A99AAAE4BA135F300073" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Preferred Stock, Shares Issued </link:label>
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<link:label id="lab_us-gaap_PreferredStockSharesOutstanding_1714A4609B9C94CF1809BA135F30DE7F_terseLabel_en-US" xlink:label="lab_us-gaap_PreferredStockSharesOutstanding_1714A4609B9C94CF1809BA135F30DE7F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Preferred stock, shares outstanding (in shares) </link:label>
<link:label id="lab_us-gaap_PreferredStockSharesOutstanding_1714A4609B9C94CF1809BA135F30DE7F_label_en-US" xlink:label="lab_us-gaap_PreferredStockSharesOutstanding_1714A4609B9C94CF1809BA135F30DE7F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Preferred Stock, Shares Outstanding </link:label>
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<link:label id="lab_us-gaap_CommonStockParOrStatedValuePerShare_D8F3406F4257C65CC6FABA135F30B785_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockParOrStatedValuePerShare_D8F3406F4257C65CC6FABA135F30B785" 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_D8F3406F4257C65CC6FABA135F30B785_label_en-US" xlink:label="lab_us-gaap_CommonStockParOrStatedValuePerShare_D8F3406F4257C65CC6FABA135F30B785" 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_D8F3406F4257C65CC6FABA135F30B785" xlink:type="locator"/>
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<link:label id="lab_us-gaap_CommonStockSharesAuthorized_C7827039986EEBED88E8BA135F30907C_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockSharesAuthorized_C7827039986EEBED88E8BA135F30907C" 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_C7827039986EEBED88E8BA135F30907C_label_en-US" xlink:label="lab_us-gaap_CommonStockSharesAuthorized_C7827039986EEBED88E8BA135F30907C" 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_C7827039986EEBED88E8BA135F30907C" xlink:type="locator"/>
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<link:label id="lab_us-gaap_CommonStockSharesIssued_19171DF405EA148BC455BA135F308C63_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockSharesIssued_19171DF405EA148BC455BA135F308C63" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Common stock, shares issued (in shares) </link:label>
<link:label id="lab_us-gaap_CommonStockSharesIssued_19171DF405EA148BC455BA135F308C63_label_en-US" xlink:label="lab_us-gaap_CommonStockSharesIssued_19171DF405EA148BC455BA135F308C63" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Common Stock, Shares, Issued </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CommonStockSharesIssued" xlink:label="loc_us-gaap_CommonStockSharesIssued_19171DF405EA148BC455BA135F308C63" xlink:type="locator"/>
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<link:label id="lab_us-gaap_CommonStockSharesOutstanding_DE18329E8FE2054B80E8BA135F301400_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockSharesOutstanding_DE18329E8FE2054B80E8BA135F301400" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Common stock, shares outstanding (in shares) </link:label>
<link:label id="lab_us-gaap_CommonStockSharesOutstanding_DE18329E8FE2054B80E8BA135F301400_label_en-US" xlink:label="lab_us-gaap_CommonStockSharesOutstanding_DE18329E8FE2054B80E8BA135F301400" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Common Stock, Shares, Outstanding </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CommonStockSharesOutstanding" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_DE18329E8FE2054B80E8BA135F301400" xlink:type="locator"/>
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<link:label id="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_22C43F351B5451154F4B752345021F66_terseLabel_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_22C43F351B5451154F4B752345021F66" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Cash and cash equivalents </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_22C43F351B5451154F4B752345021F66" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_22C43F351B5451154F4B752345021F66" xlink:to="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_22C43F351B5451154F4B752345021F66" xlink:type="arc"/>
<link:label id="lab_us-gaap_AvailableForSaleSecuritiesCurrent_6DF1C05A746441BA016075234502DE3F_terseLabel_en-US" xlink:label="lab_us-gaap_AvailableForSaleSecuritiesCurrent_6DF1C05A746441BA016075234502DE3F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Short-term investments </link:label>
<link:label id="lab_us-gaap_AvailableForSaleSecuritiesCurrent_6DF1C05A746441BA016075234502DE3F_label_en-US" xlink:label="lab_us-gaap_AvailableForSaleSecuritiesCurrent_6DF1C05A746441BA016075234502DE3F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Available-for-sale Securities, Current </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AvailableForSaleSecuritiesCurrent" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesCurrent_6DF1C05A746441BA016075234502DE3F" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesCurrent_6DF1C05A746441BA016075234502DE3F" xlink:to="lab_us-gaap_AvailableForSaleSecuritiesCurrent_6DF1C05A746441BA016075234502DE3F" xlink:type="arc"/>
<link:label id="lab_us-gaap_AccountsReceivableNetCurrent_38FB8B191347364EE8517523450279AB_terseLabel_en-US" xlink:label="lab_us-gaap_AccountsReceivableNetCurrent_38FB8B191347364EE8517523450279AB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accounts receivable, net of allowance for doubtful accounts of $2.5 and $2.4 at October 31, 2016 and July 31, 2016, respectively </link:label>
<link:label id="lab_us-gaap_AccountsReceivableNetCurrent_38FB8B191347364EE8517523450279AB_label_en-US" xlink:label="lab_us-gaap_AccountsReceivableNetCurrent_38FB8B191347364EE8517523450279AB" 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_38FB8B191347364EE8517523450279AB" xlink:type="locator"/>
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<link:label id="lab_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_83EDA6EB73423BC571F9752345027F49_terseLabel_en-US" xlink:label="lab_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_83EDA6EB73423BC571F9752345027F49" 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_83EDA6EB73423BC571F9752345027F49_label_en-US" xlink:label="lab_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_83EDA6EB73423BC571F9752345027F49" 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_83EDA6EB73423BC571F9752345027F49" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_83EDA6EB73423BC571F9752345027F49" xlink:to="lab_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_83EDA6EB73423BC571F9752345027F49" xlink:type="arc"/>
<link:label id="lab_us-gaap_AssetsCurrent_4349BA2EC6DC0F28A7027523450248E7_totalLabel_en-US" xlink:label="lab_us-gaap_AssetsCurrent_4349BA2EC6DC0F28A7027523450248E7" 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_4349BA2EC6DC0F28A7027523450248E7_label_en-US" xlink:label="lab_us-gaap_AssetsCurrent_4349BA2EC6DC0F28A7027523450248E7" 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_4349BA2EC6DC0F28A7027523450248E7" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AssetsCurrent_4349BA2EC6DC0F28A7027523450248E7" xlink:to="lab_us-gaap_AssetsCurrent_4349BA2EC6DC0F28A7027523450248E7" xlink:type="arc"/>
<link:label id="lab_us-gaap_PropertyPlantAndEquipmentNet_8939D0F48A625E6ECB7275234502CF9D_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentNet_8939D0F48A625E6ECB7275234502CF9D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Property and equipment, net </link:label>
<link:label id="lab_us-gaap_PropertyPlantAndEquipmentNet_8939D0F48A625E6ECB7275234502CF9D_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentNet_8939D0F48A625E6ECB7275234502CF9D" 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_8939D0F48A625E6ECB7275234502CF9D" xlink:type="locator"/>
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<link:label id="lab_us-gaap_AvailableForSaleSecuritiesNoncurrent_D93E624522AA8061DDF6752345029791_terseLabel_en-US" xlink:label="lab_us-gaap_AvailableForSaleSecuritiesNoncurrent_D93E624522AA8061DDF6752345029791" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Long-term investments </link:label>
<link:label id="lab_us-gaap_AvailableForSaleSecuritiesNoncurrent_D93E624522AA8061DDF6752345029791_label_en-US" xlink:label="lab_us-gaap_AvailableForSaleSecuritiesNoncurrent_D93E624522AA8061DDF6752345029791" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Available-for-sale Securities, Noncurrent </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AvailableForSaleSecuritiesNoncurrent" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesNoncurrent_D93E624522AA8061DDF6752345029791" xlink:type="locator"/>
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<link:label id="lab_us-gaap_Goodwill_6395C47907846E6E78CC7523450249F5_terseLabel_en-US" xlink:label="lab_us-gaap_Goodwill_6395C47907846E6E78CC7523450249F5" 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_6395C47907846E6E78CC7523450249F5_label_en-US" xlink:label="lab_us-gaap_Goodwill_6395C47907846E6E78CC7523450249F5" 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_6395C47907846E6E78CC7523450249F5" xlink:type="locator"/>
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<link:label id="lab_us-gaap_IntangibleAssetsNetExcludingGoodwill_615C68D67232C5239881752345025860_terseLabel_en-US" xlink:label="lab_us-gaap_IntangibleAssetsNetExcludingGoodwill_615C68D67232C5239881752345025860" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Intangible assets, net </link:label>
<link:label id="lab_us-gaap_IntangibleAssetsNetExcludingGoodwill_615C68D67232C5239881752345025860_label_en-US" xlink:label="lab_us-gaap_IntangibleAssetsNetExcludingGoodwill_615C68D67232C5239881752345025860" 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_615C68D67232C5239881752345025860" xlink:type="locator"/>
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<link:label id="lab_us-gaap_OtherAssetsNoncurrent_282154C69BC17955CBE5752345025D4E_terseLabel_en-US" xlink:label="lab_us-gaap_OtherAssetsNoncurrent_282154C69BC17955CBE5752345025D4E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other assets </link:label>
<link:label id="lab_us-gaap_OtherAssetsNoncurrent_282154C69BC17955CBE5752345025D4E_label_en-US" xlink:label="lab_us-gaap_OtherAssetsNoncurrent_282154C69BC17955CBE5752345025D4E" 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_282154C69BC17955CBE5752345025D4E" xlink:type="locator"/>
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<link:label id="lab_us-gaap_Assets_76F8157DE6D6700AB79575234502FB6B_totalLabel_en-US" xlink:label="lab_us-gaap_Assets_76F8157DE6D6700AB79575234502FB6B" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total assets </link:label>
<link:label id="lab_us-gaap_Assets_76F8157DE6D6700AB79575234502FB6B_label_en-US" xlink:label="lab_us-gaap_Assets_76F8157DE6D6700AB79575234502FB6B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> 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_76F8157DE6D6700AB79575234502FB6B" xlink:type="locator"/>
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<link:label id="lab_us-gaap_LiabilitiesCurrentAbstract_24FDC033D64DB547C1B4752345023CF7_terseLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesCurrentAbstract_24FDC033D64DB547C1B4752345023CF7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Current liabilities: </link:label>
<link:label id="lab_us-gaap_LiabilitiesCurrentAbstract_24FDC033D64DB547C1B4752345023CF7_label_en-US" xlink:label="lab_us-gaap_LiabilitiesCurrentAbstract_24FDC033D64DB547C1B4752345023CF7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Liabilities, Current [Abstract] </link:label>
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<link:label id="lab_us-gaap_AccountsPayableCurrent_7424494FB307A74D159975234502AE5F_terseLabel_en-US" xlink:label="lab_us-gaap_AccountsPayableCurrent_7424494FB307A74D159975234502AE5F" 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_7424494FB307A74D159975234502AE5F_label_en-US" xlink:label="lab_us-gaap_AccountsPayableCurrent_7424494FB307A74D159975234502AE5F" 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_7424494FB307A74D159975234502AE5F" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccountsPayableCurrent_7424494FB307A74D159975234502AE5F" xlink:to="lab_us-gaap_AccountsPayableCurrent_7424494FB307A74D159975234502AE5F" xlink:type="arc"/>
<link:label id="lab_us-gaap_EmployeeRelatedLiabilitiesCurrent_F5DED7CC4DA360FCA74675234502319C_terseLabel_en-US" xlink:label="lab_us-gaap_EmployeeRelatedLiabilitiesCurrent_F5DED7CC4DA360FCA74675234502319C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accrued compensation </link:label>
<link:label id="lab_us-gaap_EmployeeRelatedLiabilitiesCurrent_F5DED7CC4DA360FCA74675234502319C_label_en-US" xlink:label="lab_us-gaap_EmployeeRelatedLiabilitiesCurrent_F5DED7CC4DA360FCA74675234502319C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Employee-related Liabilities, Current </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_EmployeeRelatedLiabilitiesCurrent" xlink:label="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_F5DED7CC4DA360FCA74675234502319C" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_F5DED7CC4DA360FCA74675234502319C" xlink:to="lab_us-gaap_EmployeeRelatedLiabilitiesCurrent_F5DED7CC4DA360FCA74675234502319C" xlink:type="arc"/>
<link:label id="lab_us-gaap_AccruedLiabilitiesCurrent_0F280EF7E05AD0A33C6F752345024381_terseLabel_en-US" xlink:label="lab_us-gaap_AccruedLiabilitiesCurrent_0F280EF7E05AD0A33C6F752345024381" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accrued and other liabilities </link:label>
<link:label id="lab_us-gaap_AccruedLiabilitiesCurrent_0F280EF7E05AD0A33C6F752345024381_label_en-US" xlink:label="lab_us-gaap_AccruedLiabilitiesCurrent_0F280EF7E05AD0A33C6F752345024381" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accrued Liabilities, Current </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_0F280EF7E05AD0A33C6F752345024381" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_0F280EF7E05AD0A33C6F752345024381" xlink:to="lab_us-gaap_AccruedLiabilitiesCurrent_0F280EF7E05AD0A33C6F752345024381" xlink:type="arc"/>
<link:label id="lab_us-gaap_DeferredRevenueCurrent_5A8FB3F320C7666F9C9775234502BE30_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredRevenueCurrent_5A8FB3F320C7666F9C9775234502BE30" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Deferred revenue </link:label>
<link:label id="lab_us-gaap_DeferredRevenueCurrent_5A8FB3F320C7666F9C9775234502BE30_label_en-US" xlink:label="lab_us-gaap_DeferredRevenueCurrent_5A8FB3F320C7666F9C9775234502BE30" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Deferred Revenue, Current </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DeferredRevenueCurrent" xlink:label="loc_us-gaap_DeferredRevenueCurrent_5A8FB3F320C7666F9C9775234502BE30" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredRevenueCurrent_5A8FB3F320C7666F9C9775234502BE30" xlink:to="lab_us-gaap_DeferredRevenueCurrent_5A8FB3F320C7666F9C9775234502BE30" xlink:type="arc"/>
<link:label id="lab_us-gaap_ConvertibleDebtCurrent_7F4C470FB314CD5BBC0F75234502945D_terseLabel_en-US" xlink:label="lab_us-gaap_ConvertibleDebtCurrent_7F4C470FB314CD5BBC0F75234502945D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Convertible senior notes, net </link:label>
<link:label id="lab_us-gaap_ConvertibleDebtCurrent_7F4C470FB314CD5BBC0F75234502945D_label_en-US" xlink:label="lab_us-gaap_ConvertibleDebtCurrent_7F4C470FB314CD5BBC0F75234502945D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Convertible Debt, Current </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ConvertibleDebtCurrent" xlink:label="loc_us-gaap_ConvertibleDebtCurrent_7F4C470FB314CD5BBC0F75234502945D" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ConvertibleDebtCurrent_7F4C470FB314CD5BBC0F75234502945D" xlink:to="lab_us-gaap_ConvertibleDebtCurrent_7F4C470FB314CD5BBC0F75234502945D" xlink:type="arc"/>
<link:label id="lab_us-gaap_LiabilitiesCurrent_52A148BB45EFB18F73E175234502A585_totalLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesCurrent_52A148BB45EFB18F73E175234502A585" 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_52A148BB45EFB18F73E175234502A585_label_en-US" xlink:label="lab_us-gaap_LiabilitiesCurrent_52A148BB45EFB18F73E175234502A585" 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_52A148BB45EFB18F73E175234502A585" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LiabilitiesCurrent_52A148BB45EFB18F73E175234502A585" xlink:to="lab_us-gaap_LiabilitiesCurrent_52A148BB45EFB18F73E175234502A585" xlink:type="arc"/>
<link:label id="lab_us-gaap_ConvertibleDebtNoncurrent_EB6D1C93E25763A8BD467523450239D5_terseLabel_en-US" xlink:label="lab_us-gaap_ConvertibleDebtNoncurrent_EB6D1C93E25763A8BD467523450239D5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Convertible senior notes, net </link:label>
<link:label id="lab_us-gaap_ConvertibleDebtNoncurrent_EB6D1C93E25763A8BD467523450239D5_label_en-US" xlink:label="lab_us-gaap_ConvertibleDebtNoncurrent_EB6D1C93E25763A8BD467523450239D5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Convertible Debt, Noncurrent </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ConvertibleDebtNoncurrent" xlink:label="loc_us-gaap_ConvertibleDebtNoncurrent_EB6D1C93E25763A8BD467523450239D5" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ConvertibleDebtNoncurrent_EB6D1C93E25763A8BD467523450239D5" xlink:to="lab_us-gaap_ConvertibleDebtNoncurrent_EB6D1C93E25763A8BD467523450239D5" xlink:type="arc"/>
<link:label id="lab_us-gaap_DeferredRevenueNoncurrent_2A343BDD2F07662001E775234502825F_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredRevenueNoncurrent_2A343BDD2F07662001E775234502825F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Long-term deferred revenue </link:label>
<link:label id="lab_us-gaap_DeferredRevenueNoncurrent_2A343BDD2F07662001E775234502825F_label_en-US" xlink:label="lab_us-gaap_DeferredRevenueNoncurrent_2A343BDD2F07662001E775234502825F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Deferred Revenue, Noncurrent </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DeferredRevenueNoncurrent" xlink:label="loc_us-gaap_DeferredRevenueNoncurrent_2A343BDD2F07662001E775234502825F" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredRevenueNoncurrent_2A343BDD2F07662001E775234502825F" xlink:to="lab_us-gaap_DeferredRevenueNoncurrent_2A343BDD2F07662001E775234502825F" xlink:type="arc"/>
<link:label id="lab_us-gaap_OtherLiabilitiesNoncurrent_D7B56446EDAFD9F9C280752345025D53_terseLabel_en-US" xlink:label="lab_us-gaap_OtherLiabilitiesNoncurrent_D7B56446EDAFD9F9C280752345025D53" 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_D7B56446EDAFD9F9C280752345025D53_label_en-US" xlink:label="lab_us-gaap_OtherLiabilitiesNoncurrent_D7B56446EDAFD9F9C280752345025D53" 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_D7B56446EDAFD9F9C280752345025D53" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherLiabilitiesNoncurrent_D7B56446EDAFD9F9C280752345025D53" xlink:to="lab_us-gaap_OtherLiabilitiesNoncurrent_D7B56446EDAFD9F9C280752345025D53" xlink:type="arc"/>
<link:label id="lab_us-gaap_CommitmentsAndContingencies_1FAC4AA5E8DA593A9792752345029B70_terseLabel_en-US" xlink:label="lab_us-gaap_CommitmentsAndContingencies_1FAC4AA5E8DA593A9792752345029B70" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Commitments and contingencies (Note 6) </link:label>
<link:label id="lab_us-gaap_CommitmentsAndContingencies_1FAC4AA5E8DA593A9792752345029B70_label_en-US" xlink:label="lab_us-gaap_CommitmentsAndContingencies_1FAC4AA5E8DA593A9792752345029B70" 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_1FAC4AA5E8DA593A9792752345029B70" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommitmentsAndContingencies_1FAC4AA5E8DA593A9792752345029B70" xlink:to="lab_us-gaap_CommitmentsAndContingencies_1FAC4AA5E8DA593A9792752345029B70" xlink:type="arc"/>
<link:label id="lab_us-gaap_TemporaryEquityCarryingAmountAttributableToParent_328A2F420A0E006CC00375234502CF7E_terseLabel_en-US" xlink:label="lab_us-gaap_TemporaryEquityCarryingAmountAttributableToParent_328A2F420A0E006CC00375234502CF7E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Temporary equity </link:label>
<link:label id="lab_us-gaap_TemporaryEquityCarryingAmountAttributableToParent_328A2F420A0E006CC00375234502CF7E_label_en-US" xlink:label="lab_us-gaap_TemporaryEquityCarryingAmountAttributableToParent_328A2F420A0E006CC00375234502CF7E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Temporary Equity, Carrying Amount, Attributable to Parent </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_TemporaryEquityCarryingAmountAttributableToParent" xlink:label="loc_us-gaap_TemporaryEquityCarryingAmountAttributableToParent_328A2F420A0E006CC00375234502CF7E" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TemporaryEquityCarryingAmountAttributableToParent_328A2F420A0E006CC00375234502CF7E" xlink:to="lab_us-gaap_TemporaryEquityCarryingAmountAttributableToParent_328A2F420A0E006CC00375234502CF7E" xlink:type="arc"/>
<link:label id="lab_us-gaap_PreferredStockValue_8A6DE472D2D8EDD4C924752345029038_terseLabel_en-US" xlink:label="lab_us-gaap_PreferredStockValue_8A6DE472D2D8EDD4C924752345029038" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Preferred stock; $0.0001 par value; 100.0 shares authorized; none issued and outstanding at October 31, 2016 and July 31, 2016 </link:label>
<link:label id="lab_us-gaap_PreferredStockValue_8A6DE472D2D8EDD4C924752345029038_label_en-US" xlink:label="lab_us-gaap_PreferredStockValue_8A6DE472D2D8EDD4C924752345029038" 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_8A6DE472D2D8EDD4C924752345029038" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PreferredStockValue_8A6DE472D2D8EDD4C924752345029038" xlink:to="lab_us-gaap_PreferredStockValue_8A6DE472D2D8EDD4C924752345029038" xlink:type="arc"/>
<link:label id="lab_us-gaap_CommonStocksIncludingAdditionalPaidInCapital_91478601E5D4D8B4E8CD752345121B5A_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStocksIncludingAdditionalPaidInCapital_91478601E5D4D8B4E8CD752345121B5A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Common stock and additional paid-in capital; $0.0001 par value; 1,000.0 shares authorized; 91.7 and 90.5 shares issued and outstanding at October 31, 2016 and July 31, 2016, respectively </link:label>
<link:label id="lab_us-gaap_CommonStocksIncludingAdditionalPaidInCapital_91478601E5D4D8B4E8CD752345121B5A_label_en-US" xlink:label="lab_us-gaap_CommonStocksIncludingAdditionalPaidInCapital_91478601E5D4D8B4E8CD752345121B5A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Common Stocks, Including Additional Paid in Capital </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CommonStocksIncludingAdditionalPaidInCapital" xlink:label="loc_us-gaap_CommonStocksIncludingAdditionalPaidInCapital_91478601E5D4D8B4E8CD752345121B5A" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStocksIncludingAdditionalPaidInCapital_91478601E5D4D8B4E8CD752345121B5A" xlink:to="lab_us-gaap_CommonStocksIncludingAdditionalPaidInCapital_91478601E5D4D8B4E8CD752345121B5A" xlink:type="arc"/>
<link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_96EB7EE29555AD5CE58D75234512D7D5_verboseLabel_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_96EB7EE29555AD5CE58D75234512D7D5" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Accumulated other comprehensive income (loss) </link:label>
<link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_96EB7EE29555AD5CE58D75234512D7D5_label_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_96EB7EE29555AD5CE58D75234512D7D5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accumulated Other Comprehensive Income (Loss), Net of Tax </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_96EB7EE29555AD5CE58D75234512D7D5" xlink:type="locator"/>
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<link:label id="lab_us-gaap_RetainedEarningsAccumulatedDeficit_D7D35DD0E3FE2D5A59AE752345121747_terseLabel_en-US" xlink:label="lab_us-gaap_RetainedEarningsAccumulatedDeficit_D7D35DD0E3FE2D5A59AE752345121747" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accumulated deficit </link:label>
<link:label id="lab_us-gaap_RetainedEarningsAccumulatedDeficit_D7D35DD0E3FE2D5A59AE752345121747_label_en-US" xlink:label="lab_us-gaap_RetainedEarningsAccumulatedDeficit_D7D35DD0E3FE2D5A59AE752345121747" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Retained Earnings (Accumulated Deficit) </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_D7D35DD0E3FE2D5A59AE752345121747" xlink:type="locator"/>
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<link:label id="lab_us-gaap_StockholdersEquity_6CC52506E87188D54341752345124302_totalLabel_en-US" xlink:label="lab_us-gaap_StockholdersEquity_6CC52506E87188D54341752345124302" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total stockholders’ equity </link:label>
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<link:label id="lab_us-gaap_FairValueInputsLevel3Member_B03BC706C49F1F4656FD6FE65AA8F361_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueInputsLevel3Member_B03BC706C49F1F4656FD6FE65AA8F361" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Level 3 </link:label>
<link:label id="lab_us-gaap_FairValueInputsLevel3Member_B03BC706C49F1F4656FD6FE65AA8F361_label_en-US" xlink:label="lab_us-gaap_FairValueInputsLevel3Member_B03BC706C49F1F4656FD6FE65AA8F361" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Fair Value, Inputs, Level 3 [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FairValueInputsLevel3Member" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_B03BC706C49F1F4656FD6FE65AA8F361" xlink:type="locator"/>
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<link:label id="lab_panw_AvailableForSaleSecuritiesCurrentFairValueDisclosure_B17433F845AE065F67A26FE65AA88644_terseLabel_en-US" xlink:label="lab_panw_AvailableForSaleSecuritiesCurrentFairValueDisclosure_B17433F845AE065F67A26FE65AA88644" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Short-term investments </link:label>
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<link:loc xlink:href="panw-20161031.xsd#panw_AvailableForSaleSecuritiesCurrentFairValueDisclosure" xlink:label="loc_panw_AvailableForSaleSecuritiesCurrentFairValueDisclosure_B17433F845AE065F67A26FE65AA88644" xlink:type="locator"/>
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<link:loc xlink:href="panw-20161031.xsd#panw_AvailableForSaleSecuritiesNoncurrentFairValueDisclosure" xlink:label="loc_panw_AvailableForSaleSecuritiesNoncurrentFairValueDisclosure_B853A05C013061AFE9696FE65AA844AB" xlink:type="locator"/>
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4 Subsequent Filings that Reference this Filing

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

 9/01/23  Palo Alto Networks Inc.           10-K        7/31/23  126:13M
 9/06/22  Palo Alto Networks Inc.           10-K        7/31/22  128:16M
 9/03/21  Palo Alto Networks Inc.           10-K        7/31/21  132:15M
 9/04/20  Palo Alto Networks Inc.           10-K        7/31/20  129:18M
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