Income Tax Disclosure [Abstract] United States Income (Loss) from Continuing Operations before Income Taxes, Domestic Foreign Income (Loss) from Continuing Operations before Income Taxes, Foreign Loss before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Earnings Per Share [Abstract] Net loss Net Income (Loss) Attributable to Parent Weighted-average shares used to compute net loss per share, basic and diluted Weighted Average Number of Shares Outstanding, Basic and Diluted Net loss per share, basic and diluted Earnings Per Share, Basic and Diluted Net Loss Per Share Earnings Per Share [Text Block] Organization, Consolidation and Presentation of Financial Statements [Abstract] Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Principles of Consolidation Consolidation, Policy [Policy Text Block] Use of Estimates Use of Estimates, Policy [Policy Text Block] Concentrations Concentration Risk, Credit Risk, Policy [Policy Text Block] Comprehensive Loss Comprehensive Income, Policy [Policy Text Block] Foreign Currency Transactions Foreign Currency Transactions and Translations Policy [Policy Text Block] Fair Value Fair Value of Financial Instruments, Policy [Policy Text Block] Cash and Cash Equivalents Cash and Cash Equivalents, Policy [Policy Text Block] Investments Marketable Securities, Policy [Policy Text Block] Accounts Receivable Trade and Other Accounts Receivable, Policy [Policy Text Block] Derivatives Derivatives, Policy [Policy Text Block] Property and Equipment Property, Plant and Equipment, Policy [Policy Text Block] Business Combinations Business Combinations Policy [Policy Text Block] Intangible Assets Depreciation, Depletion, and Amortization [Policy Text Block] Impairment of Goodwill, Intangible Assets, and Other Long-Lived Assets Impairment or Disposal of Long-Lived Assets, Including Intangible Assets, Policy [Policy Text Block] Manufacturing Partner and Supplier Liabilities Contract Manufacturer Liabilities Policy Text Block [Policy Text Block] Contract Manufacturer Liabilities Policy Text Block [Policy Text Block] Convertible Senior Notes Debt, Policy [Policy Text Block] Revenue Recognition Revenue Recognition, Policy [Policy Text Block] Deferred Commissions Commissions Expense, Policy [Policy Text Block] Advertising Costs Advertising Cost, Policy, Expensed Advertising Cost [Policy Text Block] Software Development Costs Research, Development, and Computer Software, Policy [Policy Text Block] Share-Based Compensation Share-based Compensation, Option and Incentive Plans Policy [Policy Text Block] Leases Lessee, Leases [Policy Text Block] Income Taxes Income Tax, Policy [Policy Text Block] Loss Contingencies Commitments and Contingencies, Policy [Policy Text Block] Recent Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Fair Value Measurements Fair Value Measurement, Policy [Policy Text Block] Disclosure of Compensation 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Services Acquired [Domain] Cloud Services Cloud Services [Member] Cloud Services [Member] Unrecorded Unconditional Purchase Obligation Unrecorded Unconditional Purchase Obligation [Line Items] Other purchase commitment, April 2018 to March 2019 Unrecorded Unconditional Purchase Obligation, Period One Unrecorded Unconditional Purchase Obligation, Period One Other purchase commitment, April 2019 to March 2020 Unrecorded Unconditional Purchase Obligation, Period Two Unrecorded Unconditional Purchase Obligation, Period Two Other purchase commitment Unrecorded Unconditional Purchase Obligation Document and Entity Information [Abstract] Document and Entity Information [Abstract] Entity Registrant Name Entity Registrant Name Entity Central Index Key Entity Central Index Key Document Type Document Type Document Period End Date Document Period End Date Amendment Flag Amendment Flag Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Document Fiscal Year End Date Current Fiscal Year End Date Entity Filer Category Entity Filer Category Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Voluntary Filers Entity Current Reporting Status Entity Current Reporting Status Entity Public Float Entity Public Float Description of business, basis of presentation, principles of consolidation, and summary of significant accounting policies Business Description and Accounting Policies [Text Block] Impairment of property and equipment Impairment of Long-Lived Assets Held-for-use Segment Reporting [Abstract] Segment Information Segment Reporting Disclosure [Text Block] Derivative Instruments and Hedging Activities Disclosure [Abstract] Maximum contract term of cash flow hedge (in months) Maximum Length of Time Hedged in Cash Flow Hedge Notional amount of derivatives Derivative, Notional Amount Business Combinations [Abstract] Schedule of Business Acquisitions, by Acquisition Schedule of Business Acquisitions, by Acquisition [Table] Business Acquisition Business Acquisition [Axis] Business Acquisition, Acquiree Business Acquisition, Acquiree [Domain] Evident.io, Inc. 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Amount Plus Accrued And Unpaid Interest In Event Of Change Fair value of Convertible Senior Notes Convertible Debt, Fair Value Disclosures If-converted value in excess of principal Debt Instrument, Convertible, If-converted Value in Excess of Principal Principal amount converted or submitted by holders for conversion Debt Instrument, Convertible, Principal Balance Converted or with Conversion Notices Debt Instrument, Convertible, Principal Balance Converted and Principal Balance with Conversion Notices Equity [Abstract] Stockholders’ Equity Stockholders' Equity Note Disclosure [Text Block] Investments, Debt and Equity Securities [Abstract] Proceeds from sales of investments Proceeds from Sale of Available-for-sale Securities Cash equivalents and investments Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block] Schedule of available-for-sale investments Available-for-sale Securities [Table Text Block] Contractual maturities of available-for-sale investments Investments Classified by Contractual Maturity Date [Table Text Block] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Antidilutive Securities Antidilutive Securities [Axis] Antidilutive Securities, Name Antidilutive Securities, Name [Domain] Convertible senior notes Convertible Debt Securities [Member] Warrants related to the issuance of convertible senior notes Warrant [Member] RSUs and PSUs Restricted Stock Units (RSUs) and Performance Stock Units (PSUs) [Member] Restricted Stock Units (RSUs) and Performance Stock Units (PSUs) [Member] Options to purchase common stock Employee Stock Option [Member] RSAs and PSAs Restricted Stock and Performance Shares [Member] Restricted Stock and Performance Shares [Member] ESPP shares Employee Stock [Member] Antidilutive Securities Excluded from Computation of Earnings Per Share Antidilutive 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paper General and administrative Schedule of Available-for-sale Securities Schedule of Available-for-sale Securities [Line Items] Amortized cost Available-for-sale Securities, Amortized Cost Basis Unrealized gains Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax Unrealized losses Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax Estimated fair value Available-for-sale Securities Schedule of fair value of financial assets and liabilities Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Property, Plant and Equipment [Abstract] Depreciation expense Depreciation Leases [Abstract] Rent expense Operating Leases, Rent Expense Convertible notes details Convertible Debt Other Details [Table Text Block] Convertible Debt Other Details [Table Text Block] Components of convertible senior notes Convertible Debt [Table Text Block] Interest expense recognized related to the convertible senior notes Interest Income and Interest Expense Disclosure [Table Text Block] Note hedges details Schedule of Note Hedge Transactions [Table Text Block] [Table Text Block] for Schedule of Note Hedge Transactions [Table] Warrants details Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block] Federal: Federal Income Tax Expense (Benefit), Continuing Operations [Abstract] Current Current Federal Tax Expense (Benefit) Deferred Deferred Federal Income Tax Expense (Benefit) State: State and Local Income Tax Expense (Benefit), Continuing Operations [Abstract] Current Current State and Local Tax Expense (Benefit) Deferred Deferred State and Local Income Tax Expense (Benefit) Foreign: Foreign Income Tax Expense (Benefit), Continuing Operations [Abstract] Current Current Foreign Tax Expense (Benefit) Deferred Deferred Foreign Income Tax Expense (Benefit) Total Income Tax Expense (Benefit) Statement of Financial Position [Abstract] Assets Assets [Abstract] Current assets: Assets, Current [Abstract] Allowance for doubtful accounts Allowance for Doubtful Accounts Receivable, Current Liabilities, temporary equity, and stockholders’ equity Liabilities and Equity [Abstract] Stockholders’ equity: Stockholders' Equity Attributable to Parent [Abstract] Preferred stock, par value (in usd per share) Preferred Stock, Par or Stated Value Per Share Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized Preferred stock, shares issued (in shares) Preferred Stock, Shares Issued Preferred stock, shares outstanding (in shares) Preferred Stock, Shares Outstanding Common stock, par value (in usd per share) Common Stock, Par or Stated Value Per Share Common stock, shares authorized (in shares) Common Stock, Shares Authorized Common Stock, shares issued (in shares) Common Stock, Shares, Issued Common Stock, share outstanding (in shares) Common Stock, Shares, Outstanding Goodwill and Intangible Assets Disclosure [Abstract] Amortization expense Amortization of Intangible Assets Schedule of Operating Leased Assets Schedule of Operating Leased Assets [Table] Lease Arrangements Lease Arrangement, Type [Axis] Lease Arrangements Lease Arrangement, Type [Domain] Q415 and Q116 new lease arrangements - new corporate headquarters Q415 and Q116 new lease arrangements - new corporate headquarters [Member] Q415 and Q116 new lease arrangements - new corporate headquarters [Member] Q415 new lease arrangements - previous corporate headquarters Q415 New Lease Arrangements - previous corporate headquarters [Member] Q415 New Lease Arrangements - previous corporate headquarters [Member] Q218 new sublease arrangement - previous corporate headquarters Q218 New Sublease Arrangement - previous corporate headquarters [Member] Q218 New Sublease Arrangement - previous corporate headquarters [Member] Q113 new lease arrangements - previous corporate headquarters Q113 New Lease Arrangements - Previous Corporate Headquarters [Member] Q113 New Lease Arrangements - 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Total payments under the lease agreements Operating Leases, Future Minimum Payments Due Cease-use loss and asset impairment related to facility exit Business Exit Costs Proceeds from sublease Operating Leases, Future Minimum Payments Due, Future Minimum Sublease Rentals Liability release through rental payments Restructuring Reserve, Period Increase (Decrease) Cease-use liability Restructuring Reserve Schedule of Share-based Compensation Arrangements by Share-based Payment Award Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Award Type Award Type [Axis] Award Type Equity Award [Domain] RSAs Restricted Stock [Member] RSUs Restricted Stock Units (RSUs) [Member] Share-based Compensation Arrangement by Share-based Payment Award Share-based Compensation Arrangement by Share-based Payment Award [Line Items] RSAs, PSAs, RSUs, and PSUs, Outstanding Roll Forward Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward] Balance, beginning (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Granted (in shares) Vested (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Forfeited (in shares) Balance, ending (in shares) RSAs, PSAs, RSUs, and PSUs, Outstanding, Weighted Average Grant-Date Fair Value Per Share Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Balance, beginning (in usd per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Granted (in usd per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Vested (in usd per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Forfeited (in usd per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Balance, ending (in usd per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract] Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract] Weighted-average remaining contractual term (in years) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Outstanding, Weighted Average Remaining Contractual Terms Aggregate intrinsic value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Outstanding Total fair value of awards vested in the period Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value Commitments and contingencies Commitments and Contingencies Disclosure [Text Block] Statement Statement [Table] Scenario Scenario [Axis] Scenario, Unspecified Scenario, Unspecified [Domain] Statement Statement [Line Items] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Short-term investments Available-for-sale Securities, Current Accounts receivable, net of allowance for doubtful accounts of $1.2 and $0.7 at July 31, 2018 and July 31, 2017, respectively Accounts Receivable, Net, Current Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Total current assets Assets, Current Property and equipment, net Property, Plant and Equipment, Net Long-term investments Available-for-sale Securities, Noncurrent Goodwill Goodwill Intangible assets, net Intangible Assets, Net (Excluding Goodwill) Other assets Other Assets, Noncurrent Total assets Assets Current liabilities: Liabilities, Current [Abstract] Accounts payable Accounts Payable, Current Accrued compensation Employee-related Liabilities, Current Accrued and other liabilities Accrued Liabilities, Current Deferred revenue Deferred Revenue, Current Convertible Debt, Current Convertible Debt, Current Total current liabilities Liabilities, Current Convertible senior notes, net Convertible Debt, Noncurrent Long-term deferred revenue Deferred Revenue, Noncurrent Other long-term liabilities Other Liabilities, Noncurrent Commitments and contingencies (Note 9) Commitments and Contingencies Temporary Equity, Carrying Amount, Attributable to Parent Temporary Equity, Carrying Amount, Attributable to Parent Preferred stock; $0.0001 par value; 100.0 shares authorized; none issued and outstanding at July 31, 2018 and July 31, 2017 Preferred Stock, Value, Issued Common stock and additional paid-in capital; $0.0001 par value; 1,000.0 shares authorized; 91.5 and 90.5 shares issued and outstanding at July 31, 2017 and July 31, 2016, respectively Common Stocks, Including Additional Paid in Capital Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated deficit Retained Earnings (Accumulated Deficit) Total stockholders’ equity Stockholders' Equity Attributable to Parent Total liabilities, temporary equity, and stockholders’ equity Liabilities and Equity Statement of Cash Flows [Abstract] Cash flows from operating activities Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract] Adjustments to reconcile net loss to net cash provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Share-based compensation for equity based awards Share-based Compensation Depreciation and amortization Depreciation, Depletion and Amortization Amortization of debt discount and debt issuance costs Amortization of Debt Issuance Costs and Discounts Amortization of investment premiums, net of accretion of purchase discounts Accretion (Amortization) of Discounts and Premiums, Investments Changes in operating assets and liabilities, net of effects of acquisitions: Increase (Decrease) in Operating Capital [Abstract] Accounts receivable, net Increase (Decrease) in Accounts Receivable Prepaid expenses and other assets Increase (Decrease) in Prepaid Expense and Other Assets Accounts payable Increase (Decrease) in Accounts Payable Accrued compensation Increase (Decrease) in Employee Related Liabilities Accrued and other liabilities Increase (Decrease) in Accrued Liabilities and Other Operating Liabilities Deferred revenue Increase (Decrease) in Deferred Revenue Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Cash flows from investing activities Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract] Purchases of investments Payments to Acquire Available-for-sale Securities Proceeds from maturities of investments Proceeds from Maturities, Prepayments and Calls of Available-for-sale Securities Business acquisitions, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Purchases of property, equipment, and other assets Payments to Acquire Productive Assets Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities Cash flows from financing activities Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract] Proceeds from borrowings on convertible senior notes, net Proceeds from Convertible Debt Proceeds from issuance of warrants Proceeds from Issuance of Warrants Purchase of note hedges Purchase of Note Hedges Purchase of Note Hedges Repurchases of common stock Payments for Repurchase of Common Stock Proceeds from sales of shares through employee equity incentive plans Proceeds from Issuance of Shares under Incentive and Share-based Compensation Plans, Including Stock Options Payments for taxes related to net share settlement of equity awards Payments Related to Tax Withholding for Share-based Compensation Payment of deferred consideration related to prior year business acquisition Payments of Merger Related Costs, Financing Activities Net cash provided by (used in) financing activities Net Cash Provided by (Used in) Financing Activities Net increase in cash and cash equivalents Cash and Cash Equivalents, Period Increase (Decrease) Cash and cash equivalents—beginning of period Cash and cash equivalents—end of period Noncash investing and financing activities Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Property and equipment acquired through lease incentives Property And Equipment Acquired Through Lease Incentives Property and equipment acquired through lease incentives Supplemental disclosures of cash flow information Supplemental Cash Flow Information [Abstract] Cash paid for income taxes Income Taxes Paid, Net Equity Award Plans Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Retirement Benefits [Abstract] Employee Benefit Plan Compensation and Employee Benefit Plans [Text Block] Cash Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents Identified intangible assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill Net liabilities assumed Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net Liabilities Assumed Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net Liabilities Assumed Total Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net Other Income and Expenses [Abstract] Other Income, Net Other Nonoperating Income and Expense [Text Block] Options, Outstanding Roll Forward Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Balance, beginning (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Options granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Options forfeited (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period Options exercised (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Balance, ending (in shares) Options, Outstanding, Weighted Average Exercise Price Roll Forward Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Balance, beginning (in usd per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Options granted (in usd per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Options forfeited (in usd per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Options exercised (in usd per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Balance, ending (in usd per share) Options, Additional Disclosures Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract] Weighted-average remaining contractual life (in years) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Aggregate intrinsic value Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value Options exercisable (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number Options exercisable, weighted-average exercise price (in usd per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price Options exercisable, weighted-average remaining contractual term (in years) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term Options exercisable, aggregate intrinsic value Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value Weighted-average grant-date fair value of options granted (in usd per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Total grant-date fair value of options vested in the period Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value Total intrinsic value of options exercised in the period Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value Schedule of Share-based Compensation Arrangements by Share-based Payment Award Employee Stock Purchase Plan (ESPP) Employee Stock Purchase Plan (ESPP) [Member] Employee Stock Purchase Plan (ESPP) [Member] Performance Stock Options (PSOs) Performance Stock Options (PSOs) [Member] Performance Stock Options (PSOs) [Member] Expected volatility rate (in percentage) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate Expected volatility rate, minimum (in percentage) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Minimum Expected volatility rate, maximum (in percentage) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Maximum Expected term (in years) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term Expected dividend rate (in percentage) Fair Value Assumptions, Expected Dividend Rate Risk-free interest rate (in percentage) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Risk-free interest rate, minimum (in percentage) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Minimum Risk free interest rate, maximum (in percentage) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Maximum Grant-date fair value per share, minimum Share -Based Compensation Arrangement by Share-Based Payment Award, ESPP,Grant Date Fair Value, Minimum Share-based Compensation Arrangement by Share-based Payment Award, Employee Stock Purchase Plan, Grants in Period, Grant Date Fair Value, Minimum Grant date fair value per share, maximum Share-based Compensation Arrangement by Share-based Payment Award, ESPP, Grant Date Fair Value, Maximum Share-based Compensation Arrangement by Share-based Payment Award, ESPP, Grant Date Fair Value, Maximum Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract] 2019 Operating Leases, Future Minimum Payments Due, Next Twelve Months 2020 Operating Leases, Future Minimum Payments, Due in Two Years 2021 Operating Leases, Future Minimum Payments, Due in Three Years 2022 Operating Leases, Future Minimum Payments, Due in Four Years 2023 Operating Leases, Future Minimum Payments, Due in Five Years 2024 and thereafter Operating Leases, Future Minimum Payments, Due 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