Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Trading Arrangement: Trading Arrangement [Axis] Records Management Records Management [Member] Records Management Maximum Maximum [Member] Portion at Fair Value Measurement Portion at Fair Value Measurement [Member] Statistical Measurement [Domain] Statistical Measurement [Domain] Title of 12(b) Security Title of 12(b) Security Subsequent Event Subsequent Event [Member] Document Fiscal Year Focus Document Fiscal Year Focus Average interest rate (as a percent) Debt, Weighted Average Interest Rate Adjustment to Compensation, Amount Adjustment to Compensation Amount Segment Reporting [Abstract] Segment Reporting [Abstract] Restructuring Plan [Axis] Restructuring Plan [Axis] Common stock (par value $0.01; authorized 400,000,000 shares; issued and outstanding 297,662,013 and 295,788,645 shares as of June 30, 2026 and December 31, 2025, respectively) Common Stock, Value, Issued Schedule of Carrying Amount and Fair Value of Long-Term Debt Instruments Schedule of Long-Term Debt Instruments [Table Text Block] Other changes, including accretion Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Period Increase (Decrease) Credit Agreement Line of Credit [Member] Restatement Determination Date Restatement Determination Date Frankfurt JV Frankfurt JV Agreements Frankfurt JV [Member] Frankfurt JV Derivative Instrument [Axis] Derivative Instrument [Axis] Other transformation costs Other Costs, Transformation Other Costs, Transformation Number of reportable segments disclosed by definition Number Of Reportable Segments Disclosed By Definition Flag Number Of Reportable Segments Disclosed By Definition Flag Measurement Frequency [Axis] Measurement Frequency [Axis] Proceeds from sales of property and equipment and other, net Proceeds from Sale of Productive Assets Credit memos charged to revenue SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Other Account Amendment Flag Amendment Flag Goodwill Goodwill [Line Items] Current Liabilities: Liabilities, Current [Abstract] Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Financing cash flows used in financing leases Finance Lease, Principal Payments Schedule of Reconciliation of Net Income (Loss) to Adjusted EBITDA Schedule of Reconciliation Of Profit (loss) To Adjusted EBITDA [Table Text Block] Schedule of Reconciliation Of Profit (loss) To Adjusted EBITDA Investments Investment [Text Block] Unamortized deferred financing costs, noncurrent Unamortized Debt Issuance Expense, Net Unamortized Debt Issuance Expense, Net Amortization (includes amortization of deferred financing costs and discounts of $16,110 and $15,659 for the six months ended June 30, 2026 and 2025, respectively) Amortization Other Comprehensive (Loss) Income: Other Comprehensive Income (Loss), Net of Tax [Abstract] Related Parties Related Party Transactions Disclosure [Text Block] Other comprehensive (loss) income Other Comprehensive Income (Loss), Excluding Redeemable Noncontrolling Interest, Net of Tax Other Comprehensive Income (Loss), Excluding Redeemable Noncontrolling Interest, Net of Tax Equity distribution to noncontrolling interests Payments to Noncontrolling Interests Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Entity Address, State or Province Entity Address, State or Province Stock options granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross Property, Plant and Equipment: Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization [Abstract] PEO Total Compensation Amount PEO Total Compensation Amount Foreign Currency Translation Adjustment Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Customer and supplier relationships and other intangible assets Intangible Asset, Excluding Goodwill, after Accumulated Amortization Notional amount Derivative, Notional Amount Weighted average common shares outstanding-basic (in shares) Weighted-average shares—basic (in shares) Weighted Average Number of Shares Outstanding, Basic Accumulated goodwill impairment Goodwill, Impaired, Accumulated Impairment Loss Schedule of Revenue Recognized Schedule of Related Party Transactions [Table Text Block] Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount (Increase) decrease in assets Increase (Decrease) in Operating Assets SEC Schedule, 12-09, Valuation Allowances and Reserves Type [Axis] SEC Schedule, 12-09, Valuation Allowances and Reserves Type [Axis] Total Current Liabilities Liabilities, Current Derivative liability, current Derivative Liability, Current Schedule of Derivative Instruments Schedule of Derivative Instruments [Table Text Block] REDEEMABLE NONCONTROLLING INTERESTS Redeemable Noncontrolling Interests [Member] Redeemable Noncontrolling Interests [Member] Lease, Cost [Abstract] Lease, Cost [Abstract] Entity Address, City or Town Entity Address, City or Town Remainder expected to be recognized Revenue, Remaining Performance Obligation, Optional Exemption, Remaining Duration Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Employee Stock-Based Awards Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Net Income (Loss) Attributable to Iron Mountain Incorporated Net Income (Loss) Attributable to Iron Mountain Incorporated Net Income (Loss) Available to Common Stockholders, Basic Restructuring and other transformation Restructuring and other transformation Restructuring And Other Costs Restructuring And Other Costs SIGNIFICANT OTHER OBSERVABLE INPUTS (LEVEL 2) Fair Value, Inputs, Level 2 [Member] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Maximum borrowing amount Line of Credit Facility, Maximum Borrowing Capacity Total Other Comprehensive (Loss) Income Other Comprehensive Income (Loss), Net of Tax Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Carrying amount, current maturities Long-Term Debt, Current Maturities Subsequent Event Type [Axis] Subsequent Event Type [Axis] 41/2% Notes Senior Notes 4.5 Percent Due 2031 [Member] Senior Notes 4.5 Percent Due 2031 Interest rate swap agreements Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Capitalized Contract Cost [Domain] Capitalized Contract Cost [Domain] Accrued Capital Expenditures Capital Expenditures Incurred but Not yet Paid Schedule of Analysis of Business Segment Information Segment Reporting [Table Text Block] NONCONTROLLING INTERESTS Noncontrolling Interest [Member] Related Party [Axis] Related and Nonrelated Parties [Axis] Iron Mountain Data Centers Virginia 9 JV, LP Iron Mountain Data Centers Virginia 9 JV, LP [Member] Iron Mountain Data Centers Virginia 9 JV, LP Derivative liability, noncurrent, statement of financial position [Extensible Enumeration] Derivative Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] CARRYING AMOUNT Long-Term Debt Non-Cash Investing and Financing Activities: Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] SEC Schedule, 12-09, Valuation Allowances and Reserves [Domain] SEC Schedule, 12-09, Valuation Allowances and Reserves [Domain] Document Period End Date Document Period End Date Cash Provided by (Used in) Investing Activity, Including Discontinued Operation, Total Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Preferred stock, outstanding shares (in shares) Preferred Stock, Shares Outstanding Information Destruction Information Destruction [Member] Represents information pertaining to information destruction product or service that generates revenues for the entity. Stockholders' Equity Matters Equity [Text Block] Net Income (Loss) Per Share Attributable to Iron Mountain Incorporated: Earnings Per Share, Basic [Abstract] Investments, All Other Investments [Abstract] Operating Expenses: Costs and Expenses [Abstract] Security Exchange Name Security Exchange Name Effective interest rate (as a percent) Debt Instrument, Interest Rate, Effective Percentage Equity contribution from noncontrolling interests Proceeds from Noncontrolling Interests Accumulated other comprehensive items, net Accumulated Other Comprehensive Income (Loss), Net of Tax Entity Shell Company Entity Shell Company Project Matterhorn Project Matterhorn [Member] Project Matterhorn Euro Notes Euro Notes [Member] Euro Notes Cumulative net gain in cross-currency swaps Derivatives used in Net Investment Hedge, Net of Tax Operating lease liabilities Operating Lease, Liability, Current Schedule of Allowance for Credit Loss Accounts Receivable, Allowance for Credit Loss [Table Text Block] Financing lease right-of-use assets, net of accumulated depreciation Finance Lease, Right-of-Use Asset, after Accumulated Amortization Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Name Outstanding Recovery, Individual Name Cumulative net gain in AOCI AOCI, Cash Flow Hedge, Cumulative Gain (Loss), after Tax Income (Loss) Per Share-Basic and Diluted Earnings Per Share [Abstract] Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Document Fiscal Period Focus Document Fiscal Period Focus Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] UK Bilateral Revolving Credit Facility UK Bilateral Revolving Credit Facility [Member] UK Bilateral Revolving Credit Facility [Member] Schedule of Revenues by Product and Service Lines by Segment Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Table Text Block] Trading Securities Debt Securities, Trading, and Equity Securities, FV-NI Trading Symbol Trading Symbol Capital expenditures Payments to Acquire Property, Plant, and Equipment Schedule of Interest Rate Derivatives Schedule of Interest Rate Derivatives [Table Text Block] Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Capitalized Contract Cost [Axis] Capitalized Contract Cost [Axis] Company Selected Measure Name Company Selected Measure Name 61/4% Senior Notes due 2035 (the "61/4% Notes due 2035") 61/4% Notes due 2035 Senior Notes due 2035 6.25 Percent [Member] Senior Notes due 2035 6.25 Percent Cross-currency swap agreements (excluded component) Cross-Currency Swap Agreements, Excluded Component [Member] Cross-Currency Swap Agreements, Excluded Component Virginia 9 Term Loans Virginia 9 Term Loans Virginia 9 Credit Agreement [Member] Virginia 9 Credit Agreement Deferred financing costs and discount included in amortization Amortization of Debt Issuance Costs and Discounts Mr. Greg McIntosh Rule Trading Arrangement, Sale [Member] Mr. Greg McIntosh Rule Trading Arrangement, Sale DEBT (INCLUSIVE OF DISCOUNT) Outstanding borrowing Long-Term Debt, Gross Credit Facility [Domain] Credit Facility [Domain] Related Party Transactions [Abstract] Related Party Transactions [Abstract] Cash Flows from Operating Activities: Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Total Other Assets, Net Assets, Noncurrent, Excluding Property, Plant and Equipment, Net Sum of the carrying amounts as of the balance sheet date of all assets that are expected to be realized in cash, sold or consumed after one year or beyond the normal operating cycle, if longer excluding property, plant and equipment. Compensation Amount Outstanding Recovery Compensation Amount Dividends Payable Dividends Payable, Current Individual: Individual [Axis] Weighted average common shares outstanding-diluted (in shares) Weighted-average shares—diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Loss (gain) on disposal/write-down of property, plant and equipment, net Loss (gain) on disposal/write-down of property, plant and equipment, net (Loss) gain on disposal/write-down of property, plant and equipment, net (including real estate) Gain (Loss) on Sale of Assets and Asset Impairment Charges Cross-currency Swap Agreements Cross Currency Interest Rate Contract [Member] Emerging Growth Company Entity Emerging Growth Company Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Related Party Transaction [Line Items] Related Party Transaction [Line Items] Other expense (income), net, excluding our share of losses (gains) from our unconsolidated joint ventures Other Nonoperating Income (Expense), Net Other Nonoperating Income (Expense), Net Underlying Security Market Price Change Underlying Security Market Price Change, Percent Property, Plant and Equipment, Net Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization Derivative Instruments and Hedging Activities Derivative Instruments and Hedging Activities Disclosure [Text Block] GLOBAL DATA CENTER BUSINESS Global Data Center Business Global Data Center Business [Member] Represents information pertaining to Global Data Center, a reportable operating segment of the entity. Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Term Loan Facility Term Loan Facility [Member] Represents information pertaining to the term loan facility. Less—Accumulated depreciation Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, Accumulated Depreciation and Amortization Operating cash flows used in operating leases Operating Lease, Payments Award Timing Predetermined Award Timing Predetermined [Flag] Letters of credit outstanding Letters of Credit Outstanding, Amount (Distributions in excess of earnings) Earnings in excess of distributions Accumulated Distributions in Excess of Net Income Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] QUOTED PRICES IN ACTIVE MARKETS (LEVEL 1) Fair Value, Inputs, Level 1 [Member] Deferred Purchase Obligations and Other Deferred Payments Business Combination, Consideration Transferred, Contingent Consideration Business Combination, Consideration Transferred, Contingent Consideration Effective tax rate Effective Income Tax Rate Reconciliation, Percent 5% Notes due 2032 Senior Notes 5 Percent Due 2032 [Member] Senior Notes 5 Percent Due 2032 Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Virginia 6 Term Loan Virginia 6 Term Loan [Member] Virginia 6 Term Loan Lessor, Lease, Description [Table] Lessor, Lease, Description [Table] All Executive Categories All Executive Categories [Member] Regency Technologies Regency Technologies [Member] Regency Technologies ACCUMULATED AMORTIZATION Capitalized Contract Cost, Accumulated Amortization Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Other comprehensive (loss) income: Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract] Preferred stock, par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share Redeemable Noncontrolling Interests Beginning of redeemable noncontrolling interest Ending of redeemable noncontrolling interest Redeemable Noncontrolling Interest, Equity, Carrying Amount Depreciation Depreciation Scenario [Domain] Scenario [Domain] Accounts Receivable Securitization Program Accounts Receivables Securitization Program [Member] Accounts Receivables Securitization Program [Member] Operating lease right-of-use assets Operating lease right-of-use assets Operating Lease, Right-of-Use Asset AOCI Rollforward AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] Derivative liability, statement of financial position [Extensible Enumeration] Derivative Liability, Statement of Financial Position [Extensible Enumeration] Schedule of Basic and Diluted Net Income (Loss) Per Share Attributable to the Entity Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Schedule of Cost and Accumulated Amortization Associated with Contract Fulfillment Costs Capitalized Contract Cost [Table Text Block] Current portion of long-term debt Long-Term Debt and Lease Obligation, Current Segment Information Segment Reporting [Text Block] Minimum Minimum [Member] Parent cash dividends Payments of Ordinary Dividends, Common Stock Expiration Date Trading Arrangement Expiration Date Commissions asset Commissions [Member] Commissions [Member] Hedging Relationship [Axis] Hedging Relationship [Axis] Schedule of Revenue Disaggregation of Revenue [Table Text Block] Schedule of Debt Instrument Redemption Debt Instrument Redemption [Table Text Block] Effect of Exchange Rates on Cash and Cash Equivalents Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Cash and cash equivalents Cash and Cash Equivalents, Fair Value Disclosure Total (Deficit) Equity Beginning of Period End of Period Equity, Including Portion Attributable to Noncontrolling Interest Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] Net (payments) proceeds associated with employee stock-based awards Payments For Stock Plans Payments For Stock Plans Disposal Group, Including Discontinued Operations [Line Items] Disposal Group, Including Discontinued Operations [Line Items] Parent cash dividends declared Dividends, Common Stock Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Derivative [Table] Derivative [Table] Common stock, authorized shares (in shares) Common Stock, Shares Authorized Accumulated Other Comprehensive Income (Loss) Accumulated Other Comprehensive Income (Loss) [Line Items] Valuation Allowance [Table] Deferred Tax Asset, Valuation Allowance [Table] Current Lessee, Operating And Finance Lease, Current [Abstract] Lessee, Operating And Finance Lease, Current [Abstract] Exercise Price Award Exercise Price Schedule of Restructuring and Related Costs [Table] Restructuring Cost [Table] Cash Flows from Investing Activities: Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Schedule of Equity Method Investments [Line Items] Schedule of Equity Method Investments [Line Items] Fair Value, Measurements, Recurring Fair Value, Recurring [Member] Segment Reporting [Line Items] Segment Reporting [Line Items] Unrecognized compensation cost Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Document Quarterly Report Document Quarterly Report Disposal Groups, Including Discontinued Operations [Table] Disposal Groups, Including Discontinued Operations [Table] Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] Segments [Domain] Segments [Domain] Data Management Data Management [Member] Represents information pertaining to data management product or service that generates revenues for the entity. Interest rate swap agreements Interest Rate Swap [Member] Debt Debt Disclosure [Text Block] Scenario [Axis] Scenario [Axis] Virginia 7 Term Loan Virginia 7 Term Loan [Member] Virginia 7 Term Loan Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] CARRYING VALUE Equity Method Investments Equity Component [Domain] Equity Component [Domain] PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Total Operating Expenses Costs and Expenses Adoption Date Trading Arrangement Adoption Date Schedule of Other Expense (Income), Net Schedule of Other Nonoperating Income (Expense) [Table Text Block] Euro Euro Member Countries, Euro Counterparty Name [Domain] Counterparty Name [Domain] Dividends declared Dividends, Common Stock, Cash Stated interest rate (as a percent) Debt Instrument, Interest Rate, Stated Percentage Total Iron Mountain Incorporated Stockholders' (Deficit) Equity Equity, Attributable to Parent Debt, current portion Long-term Debt, Gross, Current Maturities Long-term Debt, Gross, Current Maturities ASSETS Assets [Abstract] Title Trading Arrangement, Individual Title Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Accounting Policies [Abstract] Accounting Policies [Abstract] Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Insider Trading Policies and Procedures [Line Items] Fair value and other adjustments Goodwill, Measurement Period Adjustment Other, net Proceeds from (Payment for) Other Financing Activity Allowance for doubtful accounts Accounts Receivable, Allowance for Credit Loss, Current Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Performance units Performance Shares [Member] Prepaid expenses and other Prepaid Expense and Other Assets, Current Deferred Purchase Obligations [Roll Forward] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Provision (benefit) for deferred income taxes Deferred Income Tax Expense (Benefit) Selling, general and administrative Selling, General and Administrative Expense Repayment of revolving credit facility, term loan facilities and other debt Repayments of Debt Effect of potentially dilutive RSUs and PUs (in shares) Incremental Common Shares Attributable to Share Based Payments, Restricted Stock and RSUs and PUs This element refers to the incremental common shares attributable to share based payments arrangements under restricted stock, restricted stock units and performance units. Deferred Purchase Obligations Business Combination, Contingent Consideration, Liability [Member] Business Combination, Contingent Consideration, Liability Interest Expense, Net (includes Interest Income of $1,425 and $4,442 for the three months ended June 30, 2026 and 2025, respectively) Interest Income (Expense), Nonoperating Operating lease modifications and reassessments Operating Lease Modifications And Reassessments Operating Lease Modifications And Reassessments Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Antidilutive stock options, RSUs and PUs, excluded from the calculation (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Restricted Stock Units Restricted Stock Units (RSUs) [Member] Schedule of Changes in the Carrying Value of Goodwill Attributable to Each Reportable Operating Segment Goodwill [Table Text Block] Entity Central Index Key Entity Central Index Key Additional paid-in capital Additional Paid in Capital, Common Stock All Adjustments to Compensation All Adjustments to Compensation [Member] Equity [Abstract] Equity [Abstract] Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Incurred cost Restructuring and Related Cost, Incurred Cost Income Taxes Income Tax, Policy [Policy Text Block] Cash Provided by (Used in) Operating Activity, Including Discontinued Operation, Total Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Remaining performance obligation, percentage Revenue, Remaining Performance Obligation, Percentage Income Statement [Abstract] Income Statement [Abstract] Iron Mountain Incorporated Stockholders' (Deficit) Equity: Equity, Attributable to Parent [Abstract] Document Transition Report Document Transition Report Ownership [Axis] Ownership [Axis] Increase (decrease) in liabilities Increase (Decrease) in Operating Liabilities Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Investment, Name [Axis] Investment, Name [Axis] Restructuring Plan [Domain] Restructuring Plan [Domain] Designated as Hedging Instrument Designated as Hedging Instrument [Member] Finance lease, right-of-use asset, statement of financial position [Extensible List] Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Finance lease liabilities Finance Lease, Liability, Noncurrent Schedule of Income Taxes Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Acquisition and Integration Costs Acquisition and Integration Costs Business Combination, Separately Recognized Transactions, Expenses and Losses Recognized Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] TOTAL REPORTABLE SEGMENTS Reportable Segment, Aggregation before Other Operating Segment [Member] Derivative Liability, Current, Statement of Financial Position [Extensible Enumeration] Derivative Liability, Current, Statement of Financial Position [Extensible Enumeration] Contractual interest rate Debt Instrument, Basis Spread on Variable Rate Lessor, Lease, Description [Line Items] Lessor, Lease, Description [Line Items] Schedule of Dividend Declared and Payments Schedule of Dividends Payable [Table Text Block] City Area Code City Area Code Finance lease, liability, to be paid Finance Lease, Liability, to be Paid ACCUMULATED OTHER COMPREHENSIVE ITEMS, NET TOTAL AOCI Attributable to Parent [Member] Property, plant and equipment Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, before Accumulated Depreciation and Amortization All Individuals All Individuals [Member] FAIR VALUE Debt Instrument, Fair Value Disclosure Beginning balance Ending balance SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount Name Forgone Recovery, Individual Name Commitments and Contingencies Commitments and Contingencies, Policy [Policy Text Block] Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Contract With Customer, Asset And Liabilities [Line Items] Contract With Customer, Asset And Liabilities [Line Items] [Line Items] for Contract With Customer, Asset And Liabilities [Table] Statement [Line Items] Statement [Line Items] Effect of potentially dilutive stock options (in shares) Incremental Common Shares Attributable to Share Based Payments, Arrangements Stock Option This element refers to the incremental common shares attributable to share based payments arrangement under stock option. Total Assets Total Assets Assets Preferred stock, issued shares (in shares) Preferred Stock, Shares Issued Interest expense, net Interest Expense, Nonoperating Schedule of Stock-based Compensation Expense Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] Mr. Greg McIntosh [Member] Mr. Greg McIntosh PEO PEO [Member] Cash and Cash Equivalents [Domain] Cash and Cash Equivalents [Domain] Stock-based compensation expense Stock-based compensation expense Share-Based Payment Arrangement, Expense Measurement Basis [Axis] Measurement Basis [Axis] Other Long-term Liabilities Other Liabilities, Noncurrent Goodwill Goodwill beginning balance Goodwill ending balance Goodwill Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Noncontrolling interests dividends Temporary Equity, Accretion of Dividends Subsequent Event Type [Domain] Subsequent Event Type [Domain] Long-term Operating Lease Liabilities, net of current portion Operating lease liabilities Operating Lease, Liability, Noncurrent Revolving Credit Facility Revolving Credit Facility [Member] Money Market Funds Money Market Funds [Member] Allowance for bad debts charged to expense SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Cost and Expense Fair Value Measurements Fair Value Measurement, Policy [Policy Text Block] Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Increase (Decrease) in Stockholders' Equity Increase (Decrease) in Stockholders' Equity [Roll Forward] Common stock, outstanding shares (in shares) Beginning balance (in shares) Ending balance (in shares) Common Stock, Shares, Outstanding Award Timing Disclosures [Line Items] FOREIGN CURRENCY TRANSLATION AND OTHER ADJUSTMENTS Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Diluted (in dollars per share) Earnings Per Share, Diluted Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Entity Current Reporting Status Entity Current Reporting Status Cash Provided by (Used in) Financing Activity, Including Discontinued Operation, Total Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Other Assets, Net: Assets, Noncurrent, Excluding Property, Plant and Equipment, Net [Abstract] Total Shareholder Return Amount Total Shareholder Return Amount 61/4 % Notes due 2033 Senior Notes 6.25 Percent Due 2033 [Member] Senior Notes 6.25 Percent Due 2033 Virginia 3 Term Loans due 2026 Virginia 3 Term Loan [Member] Virginia 3 Term Loan Cash Flow Hedges Cash Flow Hedging [Member] 7% Notes due 2029 Senior Notes 7 Percent Due 2029 [Member] Senior Notes 7 Percent Due 2029 Ownership [Domain] Ownership [Domain] Cash Flows from Financing Activities: Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Total Revenues Storage rental revenue Revenue from Contract with Customer, Excluding Assessed Tax Remaining capacity Line of Credit Facility, Remaining Borrowing Capacity Unused commitment fee (percent) Line of Credit Facility, Unused Capacity, Commitment Fee Percentage Variable lease payments Variable Lease, Payment 47/8% Notes due 2029 Senior Notes 4.875 Percent Due 2029 [Member] Senior Notes Due 2029 4.875 Percent [Member] Schedule of Equity Method Investments Equity Method Investments [Table Text Block] Derivative Assets Derivative Asset 51/4% Notes due 2028 Senior Notes 5.25 Percent due 2028 [Member] Information pertaining to the 5.25 Percent Senior Notes due 2028 Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Underlying Securities Award Underlying Securities Amount Comprehensive Income (Loss) Attributable to Noncontrolling Interests Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Estimate of Fair Value Estimate of Fair Value Measurement [Member] Capitalized Contract Cost [Table] Capitalized Contract Cost [Table] Segment Reporting [Table] Segment Reporting [Table] (DISTRIBUTIONS IN EXCESS OF EARNINGS) EARNINGS IN EXCESS OF DISTRIBUTIONS Accumulated Distributions in Excess of Net Income [Member] Net income (loss) Temporary Equity, Net Income Schedule of Related Party Transactions, by Related Party [Table] Related Party Transaction [Table] Schedule of Equity Method Investments [Table] Equity Method Investment [Table] Schedule of Operating and Financing Lease Right-of-Use Assets and Lease Liabilities Assets And Liabilities, Lessee [Table Text Block] Assets And Liabilities, Lessee [Table Text Block] Finance lease, liability, current, statement of financial position [Extensible List] Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Schedule of Lease Costs and Other Information Lease, Cost [Table Text Block] Weighted average interest rate (as a percent) Long-Term Debt, Weighted Average Interest Rate, at Point in Time Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] All Trading Arrangements All Trading Arrangements [Member] Balance as of December 31, 2025 Balance as of June 30, 2026 Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value Other Performance Measure, Amount Other Performance Measure, Amount Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Operating Income (Loss) Operating Income (Loss) Service Service [Member] Remaining performance obligation, amount Revenue, Remaining Performance Obligation, Amount Current Fiscal Year End Date Current Fiscal Year End Date Total Adjusted EBITDA for Reportable Segments Total Adjusted EBITDA for Reportable Segments Total Adjusted EBITDA for Reportable Segments Proceeds from revolving credit facility, term loan facilities and other debt Proceeds from Issuance of Debt Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Long term debt, gross, net of current portion Long Term Debt, Gross, Net of Current Portion Debt Instrument, Face Amount Less Current Maturities Derivative [Line Items] Derivative [Line Items] Our share of Adjusted EBITDA reconciling items from our unconsolidated joint ventures Reconciling Related To Unconsolidated Ventures Reconciling Related To Unconsolidated Ventures Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Dividend per share (in dollars per share) Common Stock, Dividends, Per Share, Declared Entity File Number Entity File Number Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Issuance and net settlement of shares under employee stock purchase and option plans and stock-based compensation Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture Noncontrolling interests dividends Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Interest rate swap agreements Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Restructuring costs Restructuring Costs Common stock, issued shares (in shares) Common Stock, Shares, Issued Measure: Measure [Axis] Fair Value Measurements Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Abstract] Allowance for doubtful accounts SEC Schedule, 12-09, Allowance, Credit Loss [Member] Finance lease, term of contract Lessee, Finance Lease, Term of Contract Revenue reduction associated with amortization of customer inducements and above- and below-market leases Amortization Of Intangible Assets, Customer Inducements And Market Leases Amortization Of Intangible Assets, Customer Inducements And Market Leases Cost of sales (excluding depreciation and amortization) Cost of Goods and Service, Excluding Depreciation, Depletion, and Amortization Equity Components [Axis] Equity Components [Axis] Currency [Axis] Currency [Axis] Product and Service [Domain] Product and Service [Domain] NET CARRYING AMOUNT Capitalized Contract Cost, Net Cash Paid for Income Taxes, Net Income Tax Paid, after Refund Received Entity Interactive Data Current Entity Interactive Data Current Finance lease liabilities Finance Lease, Liability, Current Less: Net Income (Loss) Attributable to Noncontrolling Interests Less: Net Income (Loss) Attributable to Noncontrolling Interests Net Income (Loss) Attributable to Noncontrolling Interest Deferred Income Taxes Deferred Income Tax Liabilities, Net Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Small Business Entity Entity Small Business Comprehensive Income (Loss) Attributable to Iron Mountain Incorporated Comprehensive Income (Loss), Net of Tax, Attributable to Parent Termination Date Trading Arrangement Termination Date Investments in joint ventures and other investments, net Payments for Investments in Joint Ventures and Other Investments, Net Payments for Investments in Joint Ventures and Other Investments, Net Financing Leases and Other Noncash Investing And Financing Activities, Financing Leases And Other Noncash Investing And Financing Activities, Financing Leases And Other Payments Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Contract costs Increase (Decrease) In Contract With Customer Liabilities, Net Increase (Decrease) In Contract With Customer Liabilities, Net Federal statutory tax rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Other Other Assets, Noncurrent Foreign currency transactions and other, net Foreign Currency Transaction Gain (Loss), Unrealized and Adjustments, Noncash Items, to Reconcile Net Income (Loss) to Cash Provided by Used in Operating Activities, Other Amount before tax of foreign currency transaction unrealized gain (loss) recognized in the income statement and transactions that do not result in cash inflows or outflows in the period in which they occur, but affect net income and thus are removed when calculating net cash flow from operating activities using the indirect cash flow method. This element is used when there is not a more specific and appropriate element. Document Type Document Type Cash paid for acquisitions, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Derivative asset, current Derivative Asset, Current Assets and Liabilities Carried at Fair Value Measured on a Recurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Accrued expenses and other current liabilities (includes current portion of operating lease liabilities) Accrued Liabilities, Current Fair Value as of Grant Date Award Grant Date Fair Value Redemption price, percentage Debt Instrument, Redemption Price, Percentage Summary Of Significant Accounting Policies Significant Accounting Policies [Text Block] Schedule of Goodwill [Table] Goodwill [Table] Increase (Decrease) in Temporary Equity [Roll Forward] Increase (Decrease) in Temporary Equity [Roll Forward] Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] GROSS CARRYING AMOUNT Capitalized Contract Cost, Gross Arrangement Duration Trading Arrangement Duration Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Local Phone Number Local Phone Number Deferred revenue - Long-term Contract with Customer, Liability, Noncurrent Entity Address, Postal Zip Code Entity Address, Postal Zip Code Entity Registrant Name Entity Registrant Name Period of extension Debt Instrument, Period Of Extension Debt Instrument, Period Of Extension Net Investment Hedges Net Investment Hedging [Member] Real Estate Mortgages, Financing Lease Liabilities and Other Real Estate Mortgages, Finance Lease Liabilities And Other [Member] Real Estate Mortgages, Finance Lease Liabilities And Other Net Income (Loss) Before Provision (Benefit) for Income Taxes Total Net Income (Loss) Before Provision (Benefit) for Income Taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Corporate and other Interest Expense, Other Commitments and Contingencies Commitments and Contingencies Finance lease, liability, noncurrent, statement of financial position [Extensible List] Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] Other, net Other Nonoperating Income (Expense) Other, Net The net amount of other nonoperating income and expense which is not otherwise specified in the taxonomy. Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Loss on disposal Equity Method Investment, Realized Gain (Loss) on Disposal Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Storage rental Storage Rental [Member] Storage Rental [Member] Executive Category: Executive Category [Axis] Depreciation of financing lease right-of-use assets Finance Lease, Right-of-Use Asset, Amortization Virginia 3 Term Loan 2031 Virginia 3 Term Loan 2031 [Member] Virginia 3 Term Loan 2031 Counterparty Name [Axis] Counterparty Name [Axis] Capitalized Contract Cost [Line Items] Capitalized Contract Cost [Line Items] Gross amount of goodwill [Roll Forward] Goodwill [Roll Forward] LIABILITIES AND EQUITY Liabilities and Equity [Abstract] Schedule of Assets and Liabilities Carried at Fair Value Measured on a Recurring Basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Award Type [Domain] Award Type [Domain] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Interest expense for financing lease liabilities Finance Lease, Interest Expense SIGNIFICANT UNOBSERVABLE INPUTS (LEVEL 3) Fair Value, Inputs, Level 3 [Member] Reclassifications from Accumulated Other Comprehensive Items, net Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax Supplemental Information: Supplemental Cash Flow Information [Abstract] PEO Name PEO Name 51/4% Notes due 2030 Senior Notes 5.25 Percent Due 2030 [Member] Senior Notes 5.25 Percent Due 2030 Noncontrolling interests equity contributions and other Noncontrolling Interest, Equity Contributions Noncontrolling Interest, Equity Contributions Contract With Customer, Asset And Liabilities [Table] Contract With Customer, Asset And Liabilities [Table] Contract With Customer, Asset And Liabilities [Table] DERIVATIVE FINANCIAL INSTRUMENTS Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] Other segment items Segment Reporting, Other Segment Item, Amount Payment of deferred purchase obligations and other deferred payments Payment for Contingent Consideration Liability, Financing Activities Number of extensions Debt Instrument, Number Of Extensions Debt Instrument, Number Of Extensions Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Entity Tax Identification Number Entity Tax Identification Number Derivative Instruments and Hedging Activities Disclosures [Table] Derivative Instruments and Hedging Activities Disclosures [Table] Deductions and other SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction Change in Fair Value of Interest Rate Swaps Change in fair value of interest rate swaps Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax Liability Class [Axis] Liability Class [Axis] Revenues Revenue [Policy Text Block] Cash and cash equivalents Cash and Cash Equivalents, Beginning of Period Cash and Cash Equivalents, End of Period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Additions Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Purchases Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Non-NEOs Non-NEOs [Member] Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] General Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Comprehensive Income (Loss) Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Debt Instrument [Axis] Debt Instrument [Axis] Measurement Frequency [Domain] Measurement Frequency [Domain] EQUITY INTEREST Equity Method Investment, Ownership Percentage Stock-based compensation expense Share-Based Payment Arrangement, Noncash Expense Accounts Receivable Credit Loss, Financial Instrument [Policy Text Block] Investment, Name [Domain] Investment, Name [Domain] Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Basic (in dollars per share) Earnings Per Share, Basic Deferred revenue Deferred revenue - Current Contract with Customer, Liability, Current Total Current Assets Assets, Current Co-venturer Co-venturer [Member] Statistical Measurement [Axis] Statistical Measurement [Axis] Insider Trading Arrangements [Line Items] Carrying amount, excluding current maturities Long-Term Debt, Excluding Current Maturities Schedule of Gains (Losses) for Derivative Instruments Derivative Instruments, Gain (Loss) [Table Text Block] Time Deposits Bank Time Deposits [Member] Award Type [Axis] Award Type [Axis] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Accounts receivable (less allowances of $105,218 and $107,838 as of June 30, 2026 and December 31, 2025, respectively) Accounts Receivable, after Allowance for Credit Loss, Current Cross-currency swap agreements (excluded component) Other Comprehensive Income (Loss), Derivative, Excluded Component, Increase (Decrease), before Adjustments and Tax Restructuring and Related Activities [Abstract] Restructuring and Related Activities [Abstract] Rental Activities Rental Activities [Member] Rental Activities Product and Service [Axis] Product and Service [Axis] All Currencies [Domain] All Currencies [Domain] Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] 47/8% Notes due 2027 Senior Notes 4.875 Percent due 2027 [Member] Senior Notes 4.875 Percent due 2027 [Member] COMMON STOCK Common Stock [Member] Deferred purchase obligations Business Combination, Contingent Consideration, Liability Fair Value Measurement [Domain] Fair Value Measurement [Domain] Operating lease cost Operating Lease, Cost Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Long-term Lessee, Operating And Finance Lease, Non-Current [Abstract] Lessee, Operating And Finance Lease, Non-Current [Abstract] Cover [Abstract] Cover [Abstract] Term Loan A Term Loan A [Member] Term Loan A [Member] Derivative Contract [Domain] Derivative Contract [Domain] Currency effects Goodwill, Foreign Currency Translation, Gain (Loss) Equity Awards Adjustments Equity Awards Adjustments [Member] Adjusted EBITDA Adjusted Earnings Before Interest Expense, Net, Provision (Benefit) For Income Taxes, Depreciation And Amortization Represents income (loss) from continuing operations before interest expense, net, provision (benefit) for income taxes, depreciation and amortization, and excludes loss (gain) on disposal/write-down of property, plant and equipment (excluding real estate), net; intangible impairments; other expense (income), net; gain on sale of real estate, net of tax; Recall Costs; and REIT Costs. Hedging Relationship [Domain] Hedging Relationship [Domain] GLOBAL RIM BUSINESS Global RIM Business Global Records and Information Management Business [Member] Global Records and Information Management Business [Member] Derivative liability, noncurrent Derivative Liability, Noncurrent Total Liabilities and (Deficit) Equity Liabilities and Equity Variable lease costs Variable Lease, Cost Employee Stock Option Share-Based Payment Arrangement, Option [Member] Noncontrolling Interests Equity, Attributable to Noncontrolling Interest Segments [Axis] Segments [Axis] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Net proceeds from sale of senior note Proceeds from Issuance of Senior Long-Term Debt Related Party [Domain] Related and Nonrelated Parties [Domain] Tabular List, Table Tabular List [Table Text Block] Acquisition of customer intangibles Payments to Acquire Intangible Assets Other Expense (Income), Net Other Expense (Income), Net Other Nonoperating Income (Expense) Valuation Allowance [Line Items] Valuation Allowance [Line Items] Term Loan B Term Loan B [Member] Term Loan B Name Awards Close in Time to MNPI Disclosures, Individual Name (Deficit) Equity: Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Fair Value by Liability Class [Domain] Fair Value by Liability Class [Domain] Preferred stock, authorized shares (in shares) Preferred Stock, Shares Authorized Preferred stock (par value $0.01; authorized 10,000,000 shares; none issued and outstanding) Preferred Stock, Value, Issued Adjustment to Compensation: Adjustment to Compensation [Axis] Hedging Designation [Domain] Hedging Designation [Domain] Restructuring Cost and Reserve [Line Items] Restructuring Cost and Reserve [Line Items] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Operating cash flows used in financing leases (interest) Finance Lease, Interest Payment on Liability Cash Paid for Interest Interest Paid, Excluding Capitalized Interest, Operating Activity Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Hedging Designation [Axis] Hedging Designation [Axis] Credit Facility [Axis] Credit Facility [Axis] Restructuring And Other Transformation Restructuring and Related Activities Disclosure [Text Block] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Long-term Debt, net of current portion Long-Term Debt and Lease Obligation Canadian dollar Canada, Dollars Name Measure Name Accounts payable Accounts Payable, Current Pay vs Performance Disclosure [Line Items] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Debt Instrument [Line Items] Debt Instrument [Line Items] Debt Instrument [Line Items] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] CORPORATE AND OTHER Corporate and Other Corporate Segment and Other Operating Segment [Member] ADDITIONAL PAID-IN CAPITAL Additional Paid-in Capital [Member] Entity Filer Category Entity Filer Category Intake Costs and other fulfillment costs asset Intake Costs [Member] Intake Costs [Member] Other comprehensive (loss) income Temporary Equity Other Comprehensive Income (Loss) Temporary Equity Other Comprehensive Income (Loss) Virginia 4 And 5 Term Loan 2030 Virginia 4 And 5 Term Loan 2030 [Member] Virginia 4 And 5 Term Loan 2030 Name Trading Arrangement, Individual Name Cross-currency swap agreements Currency Swap [Member] Mr. Greg McIntosh Rule Trading Arrangement, Purchase [Member] Mr. Greg McIntosh Rule Trading Arrangement, Purchase Operating lease, liability, current, statement of financial position [Extensible List] Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Company Selected Measure Amount Company Selected Measure Amount Not Designated as Hedging Instrument Not Designated as Hedging Instrument [Member] Depreciation and amortization Depreciation and amortization Depreciation, Depletion and Amortization 55/8% Notes Senior Notes 5.625 Percent Due 2032 [Member] Senior Notes 5.625 Percent Due 2032 5% Notes due 2028 Senior Notes 5 Percent Due 2028 Member [Member] Senior Notes 5 Percent Due 2028 Member Loss (gain) associated with the remeasurements of deferred purchase obligations Business Combination, Contingent Consideration Arrangements, Gain (Loss) On Remeasurement Of Contingent Consideration, Liability Business Combination, Contingent Consideration Arrangements, Gain (Loss) On Remeasurement Of Contingent Consideration, Liability Entity Address, Address Line Two Entity Address, Address Line Two Issuance and net settlement of shares under employee stock purchase plan and option plans and stock-based compensation (in shares) Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture Net Income (Loss) Net Income (Loss) Net Income (Loss) Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Unamortized debt issuance expense, net of current portion Unamortized debt issuance expense, net of current portion Unamortized debt issuance expense, net of current portion Data Center Data Center [Member] Represents information pertaining to Data Center Current Assets: Assets, Current [Abstract] Australian Dollar Term Loan Australian Dollar Term Loan [Member] Australian Dollar Term Loan [Member] Derivative Liabilities Derivative Liability Non-PEO NEO Non-PEO NEO [Member] Senior Notes Senior Notes [Member] Entity Address, Address Line One Entity Address, Address Line One New operating leases (including acquisitions) Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Provision (Benefit) for Income Taxes Income Tax Expense (Benefit) Foreign currency transaction (gains) losses, net Gain (Loss), Foreign Currency Transaction, before Tax Adjustments to reconcile net income (loss) to cash flows from operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Noncash Item [Abstract] Net income (loss) Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] Award Timing Method Award Timing Method [Text Block] Increase (Decrease) in Cash and Cash Equivalents Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Forecast Forecast [Member] Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] UNAMORTIZED DEFERRED FINANCING COSTS Unamortized Debt Issuance Expense Statement [Table] Statement [Table] Restatement Determination Date: Restatement Determination Date [Axis] Schedule of Changes in Accumulated Other Comprehensive Items, Net Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Interest income Investment Income, Interest Leases Lessee, Leases [Policy Text Block] Derivative Instruments and Hedging Activities Disclosures [Line Items] Derivative Instruments and Hedging Activities Disclosures [Line Items] Schedule of Deferred Revenue Liabilities Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Cash and Cash Equivalents [Axis] Cash and Cash Equivalents [Axis] Cross-currency swap agreements Other Comprehensive Income (Loss), Net Investment Hedge, Gain (Loss), before Reclassification and Tax Revenues: Revenues [Abstract] Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract]