Management and transaction fees that will accrue or be payable Related Party Transaction, Management And Transaction Fees Accruable or Payable Related Party Transaction, Management And Transaction Fees Accruable or Payable Revision of Prior Period [Axis] Revision of Prior Period [Axis] Document Type Document Type Other income (expense), net Other Nonoperating Income (Expense) Multicloud Services Multi-Cloud Services Segment [Member] Multi-Cloud Services Segment Stock options granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Related Party [Axis] Related Party [Axis] Accounts payable, accrued expenses, and other current liabilities Increase (Decrease) in Accounts Payable and Accrued Liabilities Buildings and leasehold improvements Buildings And Leasehold Improvements [Member] Buildings And Leasehold Improvements Segments [Axis] Segments [Axis] Principal payments of financing obligations Repayments Of Financing Obligations Repayments Of Financing Obligations Schedule of Accumulated Other Comprehensive Income (Loss) Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Foreign Currency Forward Contract - USD to MXN Entered in June 2020 Foreign Exchange Forward - Four - C [Member] Foreign Exchange Forward - Four - C Other non-current assets and liabilities Increase (Decrease) in Other Noncurrent Assets and Liabilities, Net Measurement period adjustments Decrease to goodwill Goodwill, Purchase Accounting Adjustments Other current assets Other Current Assets [Member] Assets Gross Amounts on Balance Sheet Derivative Asset Statistical Measurement [Domain] Statistical Measurement [Domain] Debt instrument, basis spread on variable rate floor Debt Instrument, Basis Spread On Variable Rate Floor Debt Instrument, Basis Spread On Variable Rate Floor LIABILITIES AND STOCKHOLDERS' EQUITY Liabilities and Equity [Abstract] Line of Credit Line of Credit [Member] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Deferred income taxes Deferred Income Tax Liabilities, Net Derivatives Derivative Instruments and Hedging Activities Disclosure [Text Block] Reconciliation of Revenue from Segments to Consolidated Reconciliation of Revenue from Segments to Consolidated [Table Text Block] Decrease in property, equipment and software accrued in liabilities Increase (Decrease) In Accrued Liabilities For Capital Expenditures Increase (Decrease) In Accrued Liabilities For Capital Expenditures Security Exchange Name Security Exchange Name Intangible assets, net Net carrying amount Intangible Assets, Net (Excluding Goodwill) Proceeds from borrowings under long-term debt arrangements Proceeds from Issuance of Long-term Debt Income from operations Operating Income (Loss) Payments for debt issuance costs Payments of Debt Issuance Costs Total current liabilities Liabilities, Current Liabilities assumed, net of other assets acquired Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Liabilities Assumed, Net Of Other Assets Acquired Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Liabilities Assumed, Net Of Other Assets Acquired Number of agreements matured during period Derivative, Number Of Instruments Matured During Period Derivative, Number Of Instruments Matured During Period Consulting Fees Consulting Fees [Member] Consulting Fees Reclassification out of Accumulated Other Comprehensive Income Reclassification out of Accumulated Other Comprehensive Income [Member] Schedule of Balances Related to Customer Contracts Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Cash settlement of share-based awards Adjustments To Additional Paid In Capital, Cash Used To Settle Share-based Awards Adjustments To Additional Paid In Capital, Cash Used To Settle Share-based Awards Variable Rate [Domain] Variable Rate [Domain] Variable Rate [Axis] Variable Rate [Axis] Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Commitments and Contingencies (Note 8) Commitments and Contingencies Repurchase of common stock Payments for Repurchase of Common Stock ASSETS Assets [Abstract] Investment, Name [Axis] Investment, Name [Axis] Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Cash acquired from acquisition Cash Acquired from Acquisition Vesting period Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Accounting Policies [Abstract] Furniture and fixtures Furniture and Fixtures [Member] Exercise of stock options and release of stock awards, net of shares withheld for employee taxes Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture Entity Address, State or Province Entity Address, State or Province Foreign currency translation Goodwill, Foreign Currency Translation Gain (Loss) Accumulated Other Comprehensive Income (Loss) Comprehensive Income (Loss) Note [Text Block] Accumulated deficit Retained Earnings (Accumulated Deficit) Operating right-of-use assets Operating Lease, Right-of-Use Asset Unrealized losses on derivative contracts, net of tax benefit Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents [Abstract] Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents [Abstract] Unamortized debt discount Debt Instrument, Unamortized Discount Gain on extinguishment of debt Gain on extinguishment of debt Gain (Loss) on Extinguishment of Debt Financing obligations Financing Obligations, Current Financing Obligations, Current Stockholders' equity: Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Unrecognized compensation cost Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount AOCI Attributable to Parent, Net of Tax [Roll Forward] AOCI Attributable to Parent, Net of Tax [Roll Forward] Beginning balance (in shares) Ending balance (in shares) Shares, Outstanding Derivatives not designated as hedging instruments Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net Preferred stock, $0.01 par value per share: 5.0 shares authorized; no shares issued or outstanding Preferred Stock, Value, Issued Foreign Currency Forward Contract - Euro to USD - Entered in March 2020 Foreign Exchange Forward - Three -- B [Member] Foreign Exchange Forward - Three -- B Hedging Designation [Domain] Hedging Designation [Domain] Other comprehensive income (loss), net of tax Other Comprehensive Income (Loss), Net of Tax [Abstract] Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Unrecognized compensation cost, fair value Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Fair Value, Amount Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Fair Value, Amount Other non-current liabilities Other Liabilities, Noncurrent Other investing activities Payments for (Proceeds from) Other Investing Activities Principal payments of finance lease liabilities Finance Lease, Principal Payments Apps & Cross Platform Apps & Cross Platform Segment [Member] Apps & Cross Platform Segment Share-based compensation expense APIC, Share-based Payment Arrangement, Increase for Cost Recognition Effect of exchange rate changes on cash, cash equivalents, and restricted cash Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Revenue Revenue from Contract with Customer, Excluding Assessed Tax Weighted average number of shares: Weighted Average Number of Shares Outstanding, Basic [Abstract] Business Acquisition [Axis] Business Acquisition [Axis] Capitalized contract cost, amortization Capitalized Contract Cost, Amortization Statement [Line Items] Statement [Line Items] Net payment (receipt) after settlement Derivative, Net Payment (Proceeds) After Settlement Derivative, Net Payment (Proceeds) After Settlement Forecast Forecast [Member] Net income (loss) per share: Earnings Per Share, Basic and Diluted [Abstract] Unrealized gain related to the increase in fair value Unrealized Gain (Loss) on Investments Borrowings from long-term lines of credit Proceeds from Long-term Lines of Credit Derivative Instruments and Hedging Activities Disclosures [Line Items] Derivative Instruments and Hedging Activities Disclosures [Line Items] Accrued interest Interest Payable, Current Statement [Table] Statement [Table] Statistical Measurement [Axis] Statistical Measurement [Axis] Interest Rate Swap - Entered in December 2018 Interest Rate Swap - Two [Member] Interest Rate Swap - Two Rackspace Technology, Inc. Equity Incentive Plan Rackspace Technology, Inc. Equity Incentive Plan [Member] Rackspace Technology, Inc. Equity Incentive Plan Credit Facility [Axis] Credit Facility [Axis] Amortization of operating right-of-use assets Operating Lease, Right-of-Use Asset, Amortization Expense Preferred stock, shares issued (in shares) Preferred Stock, Shares Issued Repayments of long-term lines of credit Repayments of Long-term Lines of Credit Business Combinations [Abstract] Derivatives designated as hedging instruments Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax Entity Small Business Entity Small Business Principles of Consolidation Consolidation, Policy [Policy Text Block] Derivative Instruments and Hedging Activities Disclosures [Table] Derivative Instruments and Hedging Activities Disclosures [Table] Shares of stock issued and sold in public offering (in shares) Sale of Stock, Number of Shares Issued in Transaction Debt Debt Disclosure [Text Block] Prepaid expenses Prepaid Expense, Current Proceeds from issuance of common stock Proceeds from Issuance of Common Stock Cost of revenue Cost of Revenue Selling, General and Administrative Expenses Selling, General and Administrative Expenses [Member] Number of derivative instruments Derivative, Number of Instruments Held Goodwill [Roll Forward] Goodwill [Roll Forward] Underwriters' discounts and commissions Payment Of Stock Issuance Costs, Excluding Offering Expenses Payment Of Stock Issuance Costs, Excluding Offering Expenses Amendment Flag Amendment Flag Proceeds from collection of promissory note Proceeds From Divestiture Of Businesses, Promissory Note, Gross Proceeds From Divestiture Of Businesses, Promissory Note, Gross Computation of Basic and Diluted Net Income (Loss) Per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Non-cash purchases of property, equipment and software Noncash Purchase Of Capital Expenditures Noncash Purchase Of Capital Expenditures Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Schedule of Preliminary Purchase Price Allocation Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block] Amount reclassified from accumulated comprehensive income (loss) into earnings, net of tax benefit Amount reclassified from accumulated comprehensive income (loss) into earnings, net of tax benefit Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Entity Central Index Key Entity Central Index Key Related Party [Domain] Related Party [Domain] Related Party Transaction [Line Items] Related Party Transaction [Line Items] Accumulated Gains (Losses) on Derivative Contracts Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] Derivative Instrument [Axis] Derivative Instrument [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Other non-current liabilities Other Noncurrent Liabilities [Member] Schedule Offsetting Assets Under Master Netting Arrangements Offsetting Assets [Table Text Block] Property, equipment and software, at cost Property, Plant, And Equipment And Finance Lease Right-Of-Use Asset, Before Accumulated Depreciation And Amortization (Excluding Construction in Progress) Property, Plant, And Equipment And Finance Lease Right-Of-Use Asset, Before Accumulated Depreciation And Amortization (Excluding Construction in Progress) Schedule of Finite-Lived Intangible Assets Other Than Goodwill Schedule of Finite-Lived Intangible Assets [Table Text Block] Senior notes Senior Notes [Member] Derivatives Derivatives, Policy [Policy Text Block] Cash payment to cancel senior notes Debt repurchased and surrendered for cancellation Early Repayment of Senior Debt Segments [Domain] Segments [Domain] Statement of Cash Flows [Abstract] Property, Plant, and Equipment, Type [Axis] Long-Lived Tangible Asset [Axis] Effect of dilutive securities (in shares) Weighted Average Number Diluted Shares Outstanding Adjustment Income Statement Location [Axis] Income Statement Location [Axis] Allowance for doubtful accounts and accrued customer credits Accounts Receivable, Allowance for Credit Loss, Current Capitalized Contract Cost [Line Items] Capitalized Contract Cost [Line Items] Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Income Statement Location [Domain] Income Statement Location [Domain] Indefinite-lived Intangible Assets [Line Items] Indefinite-lived Intangible Assets [Line Items] Cash Flows From Financing Activities Net Cash Provided by (Used in) Financing Activities [Abstract] Income tax impact related to tax court decision Tax Adjustments, Settlements, and Unusual Provisions Selling, general and administrative expenses Selling, General and Administrative Expense Notional amount Derivative, Notional Amount Foreign currency contracts Foreign Exchange Contract [Member] Foreign Currency Forward Contract - GBP to USD - Entered In November 2018 Foreign Exchange Forward - One [Member] Foreign Exchange Forward - One Capitalized Contract Cost [Domain] Capitalized Contract Cost [Domain] Other non-current assets Other Assets, Noncurrent Plan Name [Axis] Plan Name [Axis] Segment Reporting Segment Reporting Disclosure [Text Block] Total assets Assets Related Party Transactions Related Party Transactions Disclosure [Text Block] Scenario [Axis] Scenario [Axis] Title of 12(b) Security Title of 12(b) Security Disposal Group Classification [Axis] Disposal Group Classification [Axis] Net carrying amount Finite-Lived Intangible Assets, Net Stock options granted, weighted-average grant date fair value (in usd per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value CrowdStrike Holdings, Inc. CrowdStrike Holdings, Inc. [Member] CrowdStrike Holdings, Inc. Subsequent Event Type [Axis] Subsequent Event Type [Axis] Financing obligations Financing Obligations, Noncurrent Financing Obligations, Noncurrent Number of derivative instruments settled Derivative, Number of Instruments Settled Derivative, Number of Instruments Settled Foreign Currency Net Zero Cost Collar Contract - Entered In November 2019 Foreign Exchange Forward - Two [Member] Foreign Exchange Forward - Two Reclassification out of Accumulated Other Comprehensive Income [Axis] Reclassification out of Accumulated Other Comprehensive Income [Axis] Cost of revenue Cost of Sales [Member] Foreign Currency Forward Contract - GBP to USD - Entered in June 2020 Foreign Exchange Forward - Four - A [Member] Foreign Exchange Forward - Four - A Interest expense Interest expense Interest Expense Proceeds from IPO Sale of Stock, Consideration Received on Transaction Cash and cash equivalents Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents Other Other Intangible Assets [Member] ABRY ABRY [Member] ABRY Foreign Currency Forward Contract - GBP to USD - Entered in March 2020 Foreign Exchange Forward - Three - A [Member] Foreign Exchange Forward - Three - A Total liabilities Liabilities Notional amount settled Derivative, Notional Amount Settled Derivative, Notional Amount Settled Cash settlement of share-based awards Payments Used To Settle Share-Based Payment Award Payments Used To Settle Share-Based Payment Award Debt instrument, maturity date extension, maximum aggregate outstanding principal amount Debt Instrument, Maturity Date Extension, Maximum Aggregate Outstanding Principal Amount Debt Instrument, Maturity Date Extension, Maximum Aggregate Outstanding Principal Amount Unrecognized compensation cost, period for recognition Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Foreign Currency Forward Contract - Entered in June 2020 Foreign Exchange Forward - Four [Member] Foreign Exchange Forward - Four Schedule of Related Party Transactions, by Related Party [Table] Schedule of Related Party Transactions, by Related Party [Table] Revenue recognized included in deferred revenue Contract with Customer, Liability, Revenue Recognized Commitments and Contingencies Disclosure [Abstract] Net income (loss) attributable to common stockholders Net Income (Loss) Available to Common Stockholders, Basic Other non-cash investing and financing activities Other Non-cash Investing And Financing Activities Other Non-cash Investing And Financing Activities Effect of Counter-Party Netting Derivative Asset, Not Offset, Policy Election Deduction Unrealized (gain) loss on derivative contracts Unrealized Gain (Loss) on Derivatives Debt Instrument [Axis] Debt Instrument [Axis] Additional Paid-In Capital Additional Paid-in Capital [Member] Schedule of Adjustments to Preliminary Purchase Price Allocation Schedule of Business Acquisitions, by Acquisition [Table Text Block] Capitalized Contract Cost [Axis] Capitalized Contract Cost [Axis] Stock split, conversion ratio Stockholders' Equity Note, Stock Split, Conversion Ratio Liabilities Gross Amounts on Balance Sheet Derivative Liability 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] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Revenue from Contract with Customer [Abstract] Common stock, shares outstanding (in shares) Common Stock, Shares, Outstanding Income Tax Disclosure [Abstract] Schedule of Goodwill [Table] Schedule of Goodwill [Table] Revolving Credit Facility Revolving Credit Facility [Member] Income (loss) before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest IPO IPO [Member] Subsequent event Subsequent Event [Member] Reclassifications Reclassification, Comparability Adjustment [Policy Text Block] Net purchase price Payments to Acquire Businesses, Net of Cash Acquired Common stock, shares authorized (in shares) Common Stock, Shares Authorized Percentage of business acquired Business Acquisition, Percentage of Voting Interests Acquired Foreign currency translation adjustment, tax benefit Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax, Portion Attributable to Parent Accumulated Other Comprehensive Income (Loss) Accumulated Other Comprehensive Income AOCI Attributable to Parent [Member] Operating lease liabilities Operating Lease, Liability, Noncurrent Prepaid expenses and other current assets Increase (Decrease) in Prepaid Expense and Other Assets Over-Allotment Option Over-Allotment Option [Member] Disposal Groups, Including Discontinued Operations [Table] Disposal Groups, Including Discontinued Operations [Table] Use of Estimates Use of Estimates, Policy [Policy Text Block] Mailgun Business Mailgun Business [Member] Mailgun Business Current assets: Assets, Current [Abstract] Software Software and Software Development Costs [Member] Purchase accounting impact on revenue Business Combination, Acquisition Related Revenue From Purchase Accounting Adjustments Business Combination, Acquisition Related Revenue From Purchase Accounting Adjustments Gross goodwill Goodwill, Gross Comprehensive income (loss) Comprehensive Income (Loss), Net of Tax, Attributable to Parent Preferred stock, par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share Assets Derivative Asset, Fair Value, Offset Against Collateral, Net of Not Subject to Master Netting Arrangement, Policy Election [Abstract] Capitalized contract cost, net Capitalized Contract Cost, Net Realized gain upon receipt of proceeds related to sale Realized Investment Gains (Losses) Scenario [Domain] Scenario [Domain] Counterparty Name [Domain] Counterparty Name [Domain] Purchases of property, equipment and software Payments to Acquire Property, Plant, and Equipment City Area Code City Area Code Senior Facilities First Lien Credit Agreement [Member] First Lien Credit Agreement Document Period End Date Document Period End Date Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Goodwill and Intangible Assets Goodwill and Intangible Assets Disclosure [Text Block] Property, Plant and Equipment [Abstract] Remaining performance obligation expected to be recognized, percentage Revenue, Remaining Performance Obligation, Percentage Hedging Designation [Axis] Hedging Designation [Axis] Reclassification out of Accumulated Other Comprehensive Income [Domain] Reclassification out of Accumulated Other Comprehensive Income [Domain] Less: Accumulated impairment charges Goodwill, Impaired, Accumulated Impairment Loss Onica Onica Holdings LLC [Member] Onica Holdings LLC Accounts Receivable Financing Agreement Receivables Financing Facility [Member] Receivables Financing Facility Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Share-based compensation expense Share-based Payment Arrangement, Noncash Expense Cash payments related to settlement of restricted stock units Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Share-based Liabilities Paid Foreign Currency Forward Contract - Entered in March 2020 Foreign Exchange Forward - Three [Member] Foreign Exchange Forward - Three Shares of common stock withheld for employee taxes Payment, Tax Withholding, Share-based Payment Arrangement Derivatives designated as hedging instruments Designated as Hedging Instrument [Member] Forward exchange rate Derivative, Forward Exchange Rate Intangible Assets, Net (Excluding Goodwill) [Abstract] Intangible Assets, Net (Excluding Goodwill) [Abstract] Cover [Abstract] Base rate Base Rate [Member] Purchase accounting impact on expense Business Combination, Acquisition Related Expense From Purchase Accounting Adjustments Business Combination, Acquisition Related Expense From Purchase Accounting Adjustments Debt instrument, maturity date extension, number of days prior to original maturity date Debt Instrument, Maturity Date Extension, Number Of Days Prior To Original Maturity Date Debt Instrument, Maturity Date Extension, Number Of Days Prior To Original Maturity Date Repurchase of common stock (in shares) Shares repurchased and retired (in shares) Stock Repurchased and Retired During Period, Shares Total debt Outstanding borrowings Long-term Debt Goodwill [Line Items] Goodwill [Line Items] Affiliated Entity Affiliated Entity [Member] Deferred revenue Increase (Decrease) in Contract with Customer, Liability Restricted cash included in other non-current assets Restricted Cash and Cash Equivalents Customer relationships Customer Relationships [Member] Equity Components [Axis] Equity Components [Axis] Debt instrument, aggregate principal amount subject to repurchase under tender offer Debt Instrument, Repurchased Face Amount Share-based Payment Arrangement [Abstract] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Minimum Minimum [Member] Balance Sheet Location [Domain] Balance Sheet Location [Domain] Land Land [Member] Property, equipment and software, net Property, equipment and software, net Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization Operating lease liabilities Operating Lease, Liability, Current Schedule of Derivative Instruments, Effect on Comprehensive Income (Loss) Derivative Instruments, Gain (Loss) [Table Text Block] Non-current portion of contract assets Contract with Customer, Asset, after Allowance for Credit Loss, Noncurrent Entity Interactive Data Current Entity Interactive Data Current Schedule of Fair Values of Derivative Assets and Liabilities on the Consolidated Balance Sheets Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] Debt instrument, covenant, undrawn letters of credit and cash collateralized letters of credit excluded from threshold trigger Debt Instrument, Covenant, Undrawn Letters Of Credit And Cash Collateralized Letters Of Credit Excluded From Threshold Trigger Debt Instrument, Covenant, Undrawn Letters Of Credit And Cash Collateralized Letters Of Credit Excluded From Threshold Trigger Cash Flows From Operating Activities Net Cash Provided by (Used in) Operating Activities [Abstract] Derivatives, Fair Value [Line Items] Derivatives, Fair Value [Line Items] Interest rate swaps Interest Rate Swap [Member] Reconciliation of Revenue from Segments to Consolidated [Table] Reconciliation of Revenue from Segments to Consolidated [Table] Foreign Currency Forward Contract - USD to MXN Entered in March 2020 Foreign Exchange Forward - Three - C [Member] Foreign Exchange Forward - Three - C Entity Registrant Name Entity Registrant Name Subsequent Event Type [Domain] Subsequent Event Type [Domain] Business Acquisition [Line Items] Business Acquisition [Line Items] Derivative [Table] Derivative [Table] Statement of Stockholders' Equity [Abstract] Acquisition of property, equipment and software by financing obligations Capital Expenditures Acquired By Financing Obligations Capital Expenditures Acquired By Financing Obligations Reconciliation of Gross Profit from Segments to Consolidated Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table Text Block] Unamortized debt issuance costs Debt Issuance Costs, Net Gross carrying amount Intangible Assets, Gross (Excluding Goodwill) Number of reportable segments Number of Reportable Segments Other income (expense): Other Nonoperating Income (Expense) [Abstract] Cash flow hedge losses expected to be reclassified as an increase to interest expense over the next twelve months Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months Schedule of Equity Method Investments [Table] Schedule of Equity Method Investments [Table] Effective interest rate Debt Instrument, Interest Rate, Effective Percentage Acquisition of property, equipment and software by finance leases Capital Expenditures Acquired By Finance Leases Capital Expenditures Acquired By Finance Leases Amortization of capitalized implementation costs Implementation Costs [Member] Implementation Costs Promissory note balance Disposal Group, Including Discontinued Operation, Consideration, Promissory Note Outstanding Disposal Group, Including Discontinued Operation, Consideration, Promissory Note Outstanding Derivatives not designated as hedging instruments Not Designated as Hedging Instrument [Member] Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Accounts receivable, net of allowance for doubtful accounts and accrued customer credits of $17.0 and $18.7, respectively Accounts receivable, net Accounts Receivable, after Allowance for Credit Loss, Current Offering expenses Payments Of Stock Issuance Costs, Offering Expenses Payments Of Stock Issuance Costs, Offering Expenses Sale of Stock [Axis] Sale of Stock [Axis] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Cost To Fulfill A Contract Cost To Fulfill A Contract [Member] Cost To Fulfill A Contract Foreign currency translation adjustments, net of tax benefit Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent Disposal Group, Disposed of by Sale, Not Discontinued Operations Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] Goodwill Goodwill, beginning balance Goodwill, ending balance Goodwill, net as of June 30, 2020 Goodwill Other comprehensive income Other comprehensive loss Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Document Transition Report Document Transition Report Title of Individual [Axis] Title of Individual [Axis] Repurchase of common stock Stock repurchased and retired, amount Stock Repurchased and Retired During Period, Value Number of instruments held deemed effective Derivative, Number Of Instruments Held Deemed Effective Derivative, Number Of Instruments Held Deemed Effective Interest Rate Swap - Entered in December 2016 Interest Rate Swap - One [Member] Interest Rate Swap - One Debt issuance costs included in other noncurrent assets Debt Issuance Costs, Line of Credit Arrangements, Net Consideration from sale of assets Disposal Group, Including Discontinued Operation, Consideration Other current assets Other Assets, Current Debt instrument, leverage ratio Debt Instrument, Covenant, Leverage Ratio, Maximum Debt Instrument, Covenant, Leverage Ratio, Maximum Document Quarterly Report Document Quarterly Report Changes in Carrying Amounts of Goodwill by Reportable Segment Schedule of Goodwill [Table Text Block] Related party consulting fees Related Party Transaction, Selling, General and Administrative Expenses from Transactions with Related Party Equity [Abstract] Divestitures Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] Non-cash Investing and Financing Activities Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Fixed interest rate specified in swap agreement Derivative, Fixed Interest Rate Foreign Currency Forward Contract - Euro to USD - Entered in June 2020 Foreign Exchange Forward - Four - B [Member] Foreign Exchange Forward - Four - B Deferred revenue Contract with Customer, Liability, Current Subsequent Event [Line Items] Subsequent Event [Line Items] Accounting Standards Update Accounting Standards Update [Extensible List] Revision of Prior Period, Accounting Standards Update, Adjustment Revision of Prior Period, Accounting Standards Update, Adjustment [Member] Accrued interest included within repurchased and surrendered debt Extinguishment Of Debt, Interest Payable Amount Extinguishment Of Debt, Interest Payable Amount Credit Facility [Domain] Credit Facility [Domain] Derivative Contract [Domain] Derivative Contract [Domain] Diluted (in shares) Number of shares used in per share computations (in shares) Weighted Average Number of Shares Outstanding, Diluted Equity interest in net entity, from sale of assets Disposal Group, Including Discontinued Operation, Consideration, Equity Interest In New Entity Disposal Group, Including Discontinued Operation, Consideration, Equity Interest In New Entity Basic (in dollars per share) Net income (loss) per share, basic (in dollars per share) Earnings Per Share, Basic Number of operating segments Number of Operating Segments Schedule of Indefinite-Lived Intangible Assets [Table] Schedule of Indefinite-Lived Intangible Assets [Table] Entity File Number Entity File Number Other current liabilities Other Current Liabilities [Member] Debt Disclosure [Abstract] Net Amounts Derivative Asset, Fair Value, Offset Against Collateral, Net of Not Subject to Master Netting Arrangement, Policy Election Percentage of debt due to related party Percentage Of Outstanding Principal Amount Due To Related Party Percentage Of Outstanding Principal Amount Due To Related Party Net Amounts Derivative Liability, Fair Value, Offset Against Collateral, Net of Not Subject to Master Netting Arrangement, Policy Election Non-cash increase in buildings within property, equipment, net, and software due to lease modification Non-cash Increase In Buildings Within Property, Equipment, Net And Software Due To Lease Modification Non-cash Increase In Buildings Within Property, Equipment, Net And Software Due To Lease Modification Amortization of debt issuance costs and debt discount Amortization of Debt Issuance Costs and Discounts Net cash provided by (used in) financing activities Net Cash Provided by (Used in) Financing Activities Repayments of debt Repayments of Long-term Debt Remaining performance obligation Revenue, Remaining Performance Obligation, Amount Share-based compensation expense Share-based compensation expense Share-based Payment Arrangement, Expense Depreciation and amortization Other Depreciation and Amortization Balance Sheet Location [Axis] Balance Sheet Location [Axis] Counterparty Name [Axis] Counterparty Name [Axis] Common stock, $0.01 par value per share: 1,495.0 shares authorized; 165.4 and 165.6 shares issued and outstanding, respectively Common Stock, Value, Issued Disposal Group Name [Axis] Disposal Group Name [Axis] Goodwill and Intangible Assets Disclosure [Abstract] Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Document Fiscal Year Focus Document Fiscal Year Focus Cost To Obtain A Contract Cost To Obtain A Contract [Member] Cost To Obtain A Contract Less: Income tax benefit Share-based Payment Arrangement, Expense, Tax Benefit Schedule of Capitalized Contract Cost Capitalized Contract Cost [Table Text Block] Debt Less: current portion of debt Long-term Debt, Current Maturities Entity Current Reporting Status Entity Current Reporting Status Public offering price (in usd per share) Sale of Stock, Price Per Share Related Party Transaction [Axis] Related Party Transaction [Axis] Subsequent Event [Table] Subsequent Event [Table] Earnings Per Share Earnings Per Share, Policy [Policy Text Block] Exercise of stock options and release of stock awards, net of shares withheld for employee taxes (in shares) Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Net assets acquired Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net Computers and equipment Computer And Equipment [Member] Computer And Equipment Cash Flows From Investing Activities Net Cash Provided by (Used in) Investing Activities [Abstract] Common stock, shares issued (in shares) Common Stock, Shares, Issued Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Foreign currency contracts Foreign Exchange Forward [Member] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Principal amount repurchased and surrendered for cancellation Extinguishment of Debt, Amount Debt, excluding current portion Long-term Debt, Excluding Current Maturities Segment Reporting [Abstract] Interest expense Interest Expense [Member] Accounts receivable Increase (Decrease) in Accounts Receivable Debt Instrument [Line Items] Debt Instrument [Line Items] Statement of Comprehensive Income [Abstract] Total stockholders' equity Beginning balance Ending balance Stockholders' Equity Attributable to Parent Total liabilities and stockholders' equity Liabilities and Equity Investments Investment [Text Block] Amortization of capitalized sales commissions Sales Commissions [Member] Sales Commissions Accumulated other comprehensive income (loss) Accumulated Other Comprehensive Income (Loss), Net of Tax Taxes Income Tax Disclosure [Text Block] Entity Address, City or Town Entity Address, City or Town Accrued compensation and benefits Employee-related Liabilities, Current Measurement period adjustments Measurement Period Adjustments Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Consideration Transferred Restricted Stock Units (RSUs) Restricted Stock Units (RSUs) [Member] Accounts payable and accrued expenses Accounts Payable and Accrued Liabilities, Current Onica Acquisition Consideration Onica Acquisition Consideration Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net Hedging Relationship [Axis] Hedging Relationship [Axis] Proceeds from sale of equity investment Proceeds from Sale, Maturity and Collection of Investments Anti-dilutive potential common shares excluded from computation of dilutive net income (loss) per share (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Other operating activities Other Noncash Income (Expense) Indefinite-lived Intangible Assets [Axis] Indefinite-lived Intangible Assets [Axis] Equity Component [Domain] Equity Component [Domain] Interest rate at period end Line of Credit Facility, Interest Rate at Period End Liabilities Derivative Liability, Fair Value, Offset Against Collateral, Net of Not Subject to Master Netting Arrangement, Policy Election [Abstract] Executive Officer Executive Officer [Member] Gross profit Gross profit Gross Profit Work in process Construction in Progress [Member] Debt instrument, covenant, percentage of outstanding borrowings trigger, minimum Debt Instrument, Covenant, Percentage Of Outstanding Borrowings Trigger, Minimum Debt Instrument, Covenant, Percentage Of Outstanding Borrowings Trigger, Minimum Entity Tax Identification Number Entity Tax Identification Number OpenStack Public Cloud OpenStack Public Cloud Segment [Member] OpenStack Public Cloud Segment Share-Based Compensation and Settlement of Share-Based Awards Share-based Payment Arrangement [Text Block] Net income (loss) Net income (loss) Net Income (Loss) Attributable to Parent Finance lease liabilities Finance Lease, Liability, Noncurrent Changes in operating assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] Other current liabilities Other Liabilities, Current Investment, Name [Domain] Investment, Name [Domain] LIBOR London Interbank Offered Rate (LIBOR) [Member] Trade name (indefinite-lived) Trade Names [Member] Debt instrument, cancelled face amount following purchase Debt Instrument, Cancelled Face Amount Debt Instrument, Cancelled Face Amount Company Overview, Basis of Presentation, and Summary of Significant Accounting Policies Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Text Block] Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Total current assets Assets, Current Current Fiscal Year End Date Current Fiscal Year End Date Capitalized Contract Cost [Table] Capitalized Contract Cost [Table] Earnings Per Share [Abstract] Restructuring and transformation expenses Restructuring Charges Work in process Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, before Accumulated Depreciation and Amortization Gain on sale Gain on sale Gain (Loss) on Disposition of Business Disposal Group Name [Domain] Disposal Group Name [Domain] Segment Reporting, Revenue Reconciling Item [Line Items] Segment Reporting, Revenue Reconciling Item [Line Items] Remaining maturity period Derivative, Remaining Maturity Intangible assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Document Fiscal Period Focus Document Fiscal Period Focus Less: Accumulated depreciation and amortization Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, Accumulated Depreciation and Amortization Non-current portion of deferred revenue Contract with Customer, Liability, Noncurrent Net income (loss) attributable to common stockholders Net Income (Loss) Available to Common Stockholders, Diluted Supplemental Cash Flow Information Supplemental Cash Flow Information [Abstract] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Redemption price, percentage Debt Instrument, Redemption Price, Percentage Entity Filer Category Entity Filer Category Schedule of Share-based Compensation Expense Recognized Under the Incentive Plan Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] Common Stock Common Stock [Member] Accumulated Foreign Currency Translation Adjustments Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Property, Plant, and Equipment, Type [Domain] Long-Lived Tangible Asset [Domain] Quarterly principal payment Debt Instrument, Periodic Payment, Principal Schedule of Property, Equipment, and Software, net Property, Plant and Equipment [Table Text Block] Non-cash increase in buildings within property, equipment, net, and software due to lease modification Property, Plant and Equipment, Transfers and Changes Term Loan Facility Secured Debt [Member] Total borrowing capacity Line of Credit Facility, Remaining Borrowing Capacity Gross carrying amount Finite-Lived Intangible Assets, Gross Other income (expense), net Other Nonoperating Income (Expense) [Member] Schedule of Equity Method Investments [Line Items] Schedule of Equity Method Investments [Line Items] Revision of Prior Period [Domain] Revision of Prior Period [Domain] Stated interest rate Debt Instrument, Interest Rate, Stated Percentage Revenue, remaining performance obligation, expected timing of satisfaction, period Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period Provision for bad debts and accrued customer credits Accounts Receivable, Credit Loss Expense (Reversal) Amortization of off-market swap Interest Expense, Amortization Of Off-Market Swap Offset Interest Expense, Amortization Of Off-Market Swap Offset Current portion of contract assets Contract with Customer, Asset, after Allowance for Credit Loss, Current Diluted net income (loss) per share: Earnings Per Share, Diluted [Abstract] Notional amount deemed effective Derivative, Notional Amount Deemed Effective Derivative, Notional Amount Deemed Effective Related Party Transactions [Abstract] Increase (decrease) in cash, cash equivalents, and restricted cash Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Acquisitions Business Combination Disclosure [Text Block] Accrued interest on promissory note Disposal Group, Including Discontinued Operation, Consideration, Promissory Note, Interest Payable Disposal Group, Including Discontinued Operation, Consideration, Promissory Note, Interest Payable Nonoperating Income (Expense) Nonoperating Income (Expense) Hedging Relationship [Domain] Hedging Relationship [Domain] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Options Share-based Payment Arrangement, Option [Member] Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Basic (in shares) Weighted average shares outstanding, basic (in shares) Weighted Average Number of Shares Outstanding, Basic Debt instrument, basis spread on variable rate Debt Instrument, Basis Spread on Variable Rate Cash payment, settlement of share-based awards Share-based Payment Arrangement, Cash Used to Settle Award Cash Flow Hedging Cash Flow Hedging [Member] Sale of Stock [Domain] Sale of Stock [Domain] Scenario, Plan Scenario, Plan [Member] Proceeds from financing obligations Proceeds From Financing Obligations Proceeds From Financing Obligations Plan Name [Domain] Plan Name [Domain] Customer Contracts Revenue from Contract with Customer [Text Block] Cash payments for interest, net of amount capitalized Interest Paid, Excluding Capitalized Interest, Operating Activities Effect of Counter-Party Netting Derivative Liability, Not Offset, Policy Election Deduction Equity investment without readily determinable fair value Equity Securities without Readily Determinable Fair Value, Amount Additional paid-in capital Additional Paid in Capital Fair value of debt Long-term Debt, Fair Value Benefit (provision) for income taxes Income Tax Expense (Benefit) Cash payments for income taxes, net of refunds Income Taxes Paid, Net Proceeds from sale Proceeds from sale Proceeds from Divestiture of Businesses Cash, cash equivalents, and restricted cash at beginning of period Cash, cash equivalents, and restricted cash at end of period Total cash, cash equivalents, and restricted cash shown in the statement of cash flows Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Unrealized losses on derivative contracts, before reclassification, tax benefit Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, Tax Title of Individual [Domain] Title of Individual [Domain] Indefinite-lived Intangible Assets, Major Class Name [Domain] Indefinite-lived Intangible Assets, Major Class Name [Domain] Diluted (in dollars per share) Net income (loss) per share, diluted (in dollars per share) Earnings Per Share, Diluted Local Phone Number Local Phone Number Total consideration to acquire Onica Payments to Acquire Businesses, Gross Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative [Line Items] Derivative [Line Items] Schedule of Indefinite-Lived Intangible Assets Other Than Goodwill Schedule of Indefinite-Lived Intangible Assets [Table Text Block] Principal balance Long-term Debt, Gross Affiliates of ABRY Affiliates Of ABRY [Member] Affiliates Of ABRY Schedule of Long-term Debt Instruments Schedule of Long-term Debt Instruments [Table Text Block] Entity Address, Address Line One Entity Address, Address Line One Entity Address, Address Line Two Entity Address, Address Line Two Investments, All Other Investments [Abstract] Related Party Transaction [Domain] Related Party Transaction [Domain] Entity Emerging Growth Company Entity Emerging Growth Company Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Trade name (indefinite-lived) Indefinite-lived Intangible Assets (Excluding Goodwill) Total share-based compensation expense, net of tax Share-based Payment Arrangement, Expense, after Tax Schedule of Finite-Lived Intangible Assets [Table] Schedule of Finite-Lived Intangible Assets [Table] Deferred income taxes Deferred Income Tax Expense (Benefit) Tax benefit, reclassification from AOCI Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax Maximum borrowing capacity Total commitments Line of Credit Facility, Maximum Borrowing Capacity Award Type [Axis] Award Type [Axis] Accumulated amortization Finite-Lived Intangible Assets, Accumulated Amortization Other compensation expense Compensation Expense, Excluding Cost of Good and Service Sold Maximum Maximum [Member] Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized Gain on investments, net Gain on investments, net Gain on investments, net Gain (Loss) on Investments Accumulated Deficit Retained Earnings [Member] Preferred stock, shares outstanding (in shares) Preferred Stock, Shares Outstanding Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] 8.625% Senior Notes due 2024 8.625% Senior Notes Due 2024 [Member] 8.625% Senior Notes Due 2024 Operating lease liabilities Increase (Decrease) In Operating Lease Liabilities Increase (Decrease) In Operating Lease Liabilities Award Type [Domain] Award Type [Domain] Schedule Offsetting Liabilities Under Master Netting Arrangements Offsetting Liabilities [Table Text Block] Trading Symbol Trading Symbol Aggregate fair value, net liability position Derivative, Net Liability Position, Aggregate Fair Value Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Discontinued Operations and Disposal Groups [Abstract] Disposal Group Classification [Domain] Disposal Group Classification [Domain] Property, Equipment and Software, net Property, Plant and Equipment Disclosure [Text Block] Property tax abatement Property Tax Abatement [Member] Property Tax Abatement Net Income (Loss) Per Share Earnings Per Share [Text Block] Promissory note fair value, from sale of assets Disposal Group, Including Discontinued Operation, Consideration, Promissory Note, Fair Value Disposal Group, Including Discontinued Operation, Consideration, Promissory Note, Fair Value Debt instrument, repurchase amount Debt Instrument, Repurchase Amount Options And Restricted Stock Options And Restricted Stock [Member] Options And Restricted Stock Current liabilities: Liabilities, Current [Abstract] Entity Shell Company Entity Shell Company Recently Adopted Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Statement of Financial Position [Abstract] Basic net income (loss) per share: Earnings Per Share, Basic [Abstract]