$IRM
IRON MOUNTAIN INC Stock $irm

$irm Overview Financials Valuation SEC Filings Company Website

2019 Q4 Form 10-Q Financial Statement

#000102056919000223 Filed on October 31, 2019

Income Statement

Concept	2019 Q4	2019 Q3	2018 Q3
Revenue	$1.080B	$1.062B	$1.061B
YoY Change	1.71%	0.12%	9.87%
Cost Of Revenue	$455.4M	$449.4M	$445.1M
YoY Change	2.15%	0.97%	6.41%
Gross Profit	$624.2M	$612.9M	$615.9M
YoY Change	1.38%	-0.49%	12.53%
Gross Profit Margin	57.82%	57.7%	58.05%
Selling, General & Admin	$237.8M	$237.2M	$259.9M
YoY Change	-7.25%	-8.76%	7.25%
% of Gross Profit	38.1%	38.69%	42.2%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$173.8M	$157.6M	$157.8M
YoY Change	5.4%	-0.15%	22.79%
% of Gross Profit	27.84%	25.71%	25.62%
Operating Expenses	$411.5M	$237.2M	$259.9M
YoY Change	-2.3%	-8.76%	7.25%
Operating Profit	$206.1M	$223.5M	$195.6M
YoY Change	-18.89%	14.23%	10.68%
Interest Expense	-$149.6M	-$88.40M	-$104.6M
YoY Change	73.15%	-15.49%	3.67%
% of Operating Profit	-72.6%	-39.56%	-53.47%
Other Income/Expense, Net	-$2.600M	$13.42M	-$325.0K
YoY Change	-58.73%	-4227.69%	-99.45%
Pretax Income	$53.90M	$130.2M	$91.37M
YoY Change	-66.6%	42.51%	222.87%
Income Tax	$16.80M	$21.93M	$14.02M
% Of Pretax Income	31.17%	16.84%	15.35%
Net Earnings	$37.10M	$108.3M	$65.74M
YoY Change	-76.6%	64.71%	170.28%
Net Earnings / Revenue	3.44%	10.19%	6.2%
Basic Earnings Per Share	$0.13	$0.37	$0.23
Diluted Earnings Per Share	$0.13	$0.37	$0.23
COMMON SHARES
Basic Shares Outstanding	287.1M shares	287.2M shares	286.2M shares
Diluted Shares Outstanding		287.7M shares	287.0M shares

Balance Sheet

Concept	2019 Q4	2019 Q3	2018 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments	$194.0M	$187.0M	$198.0M
YoY Change	17.58%	-5.56%	-41.42%
Cash & Equivalents	$193.6M	$186.8M	$197.7M
Short-Term Investments
Other Short-Term Assets	$192.0M	$195.0M	$171.0M
YoY Change	-2.04%	14.04%	-16.77%
Inventory
Prepaid Expenses
Receivables	$850.7M	$821.9M	$847.5M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$1.236B	$1.204B	$1.216B
YoY Change	2.34%	-0.99%	-8.45%
LONG-TERM ASSETS
Property, Plant & Equipment	$4.623B	$4.557B	$4.425B
YoY Change	2.97%	2.98%	32.3%
Goodwill	$4.485B	$4.422B	$4.479B
YoY Change	0.99%	-1.27%	10.03%
Intangibles	$1.393B
YoY Change
Long-Term Investments
YoY Change
Other Assets	$209.9M	$213.8M	$169.7M
YoY Change	-0.97%	25.98%	29.04%
Total Long-Term Assets	$12.58B	$12.37B	$10.59B
YoY Change	18.14%	16.79%	18.62%
TOTAL ASSETS
Total Short-Term Assets	$1.236B	$1.204B	$1.216B
Total Long-Term Assets	$12.58B	$12.37B	$10.59B
Total Assets	$13.82B	$13.58B	$11.81B
YoY Change	16.53%	14.95%	15.12%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$324.7M	$289.9M	$285.8M
YoY Change	1.86%	1.45%	12.99%
Accrued Expenses	$961.8M	$888.0M	$602.3M
YoY Change	23.18%	47.44%	3.66%
Deferred Revenue	$274.0M	$257.3M	$237.6M
YoY Change	3.48%	8.31%
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$389.0M	$394.8M	$121.7M
YoY Change	207.75%	224.44%	-32.54%
Total Short-Term Liabilities	$1.950B	$1.830B	$1.247B
YoY Change	30.77%	46.72%	1.22%
LONG-TERM LIABILITIES
Long-Term Debt	$8.276B	$8.220B	$8.109B
YoY Change	3.23%	1.37%	21.03%
Other Long-Term Liabilities	$143.0M	$130.3M	$116.8M
YoY Change	28.46%	11.59%	33.46%
Total Long-Term Liabilities	$8.419B	$8.351B	$8.226B
YoY Change	3.58%	1.52%	21.19%
TOTAL LIABILITIES
Total Short-Term Liabilities	$1.950B	$1.830B	$1.247B
Total Long-Term Liabilities	$8.419B	$8.351B	$8.226B
Total Liabilities	$10.37B	$10.18B	$9.473B
YoY Change	7.79%	7.47%	18.12%
SHAREHOLDERS EQUITY
Retained Earnings
YoY Change
Common Stock	$4.301B	$4.291B	$4.264B
YoY Change	0.83%	0.63%	18.32%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$1.464B	$1.511B	$1.937B
YoY Change
Total Liabilities & Shareholders Equity	$13.82B	$13.58B	$11.81B
YoY Change	16.53%	15.0%	15.07%

Cashflow Statement

Concept	2019 Q4	2019 Q3	2018 Q3
OPERATING ACTIVITIES
Net Income	$37.10M	$108.3M	$65.74M
YoY Change	-76.6%	64.71%	170.28%
Depreciation, Depletion And Amortization	$173.8M	$157.6M	$157.8M
YoY Change	5.4%	-0.15%	22.79%
Cash From Operating Activities	$318.6M	$218.4M	$231.2M
YoY Change	2.44%	-5.54%	16.06%
INVESTING ACTIVITIES
Capital Expenditures	-$164.5M	$166.5M	$112.4M
YoY Change	4.44%	48.18%	43.05%
Acquisitions		$11.85M	$44.14M
YoY Change		-73.16%	-71.69%
Other Investing Activities	$69.20M	$11.70M	-$51.30M
YoY Change	79.74%	-122.81%	-67.01%
Cash From Investing Activities	-$95.30M	-$165.9M	-$181.3M
YoY Change	-19.98%	-8.49%	-30.91%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-218.9M	-19.20M	-29.20M
YoY Change	0.0%	-34.25%	-128.32%
NET CHANGE
Cash From Operating Activities	318.6M	218.4M	231.2M
Cash From Investing Activities	-95.30M	-165.9M	-181.3M
Cash From Financing Activities	-218.9M	-19.20M	-29.20M
Net Change In Cash	4.400M	33.30M	20.70M
YoY Change	-116.3%	60.87%	-48.12%
FREE CASH FLOW
Cash From Operating Activities	$318.6M	$218.4M	$231.2M
Capital Expenditures	-$164.5M	$166.5M	$112.4M
Free Cash Flow	$483.1M	$51.92M	$118.8M
YoY Change	3.12%	-56.32%	-1.5%

Facts In Submission

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	dei	Amendment Flag AmendmentFlag	false
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2019
	dei	Entity Central Index Key EntityCentralIndexKey	0001020569
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	us-gaap	Investment Income Interest InvestmentIncomeInterest	5048000	USD
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	us-gaap	Investment Income Interest InvestmentIncomeInterest	4804000	USD
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
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	dei	Document Type DocumentType	10-Q
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Period End Date DocumentPeriodEndDate	2019-09-30
	dei	Document Transition Report DocumentTransitionReport	false
	dei	Entity File Number EntityFileNumber	1-13045
	dei	Entity Registrant Name EntityRegistrantName	IRON MOUNTAIN INC
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	23-2588479
	dei	Entity Address Address Line1 EntityAddressAddressLine1	One Federal Street
	dei	Entity Address City Or Town EntityAddressCityOrTown	Boston
	dei	Entity Address State Or Province EntityAddressStateOrProvince	MA
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	02110
	dei	City Area Code CityAreaCode	617
	dei	Local Phone Number LocalPhoneNumber	535-4766
	dei	Entity Small Business EntitySmallBusiness	false
	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
	dei	Entity Shell Company EntityShellCompany	false
	dei	Security12b Title Security12bTitle	Common Stock, $.01 par value
	dei	Trading Symbol TradingSymbol	IRM
	dei	Security Exchange Name SecurityExchangeName	NYSE
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CY2019Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.37
CY2018Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.23
CY2019Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	287152000	shares
CY2018Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	286159000	shares
CY2019Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	287691000	shares
CY2018Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	286982000	shares
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3182994000	USD
	us-gaap	Cost Of Goods And Service Excluding Depreciation Depletion And Amortization CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization	1348203000	USD
	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	762479000	USD
	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	789324000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	484375000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	474595000	USD
	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	17087000	USD
	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	2064000	USD
	us-gaap	Costs And Expenses CostsAndExpenses	2607730000	USD
	us-gaap	Costs And Expenses CostsAndExpenses	2610058000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	575264000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	554214000	USD
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-314427000	USD
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-303836000	USD
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	13397000	USD
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-1420000	USD
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	287555000	shares
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	-0.04
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.80
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.68
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	286869000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	285801000	shares
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	274234000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	248958000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	43127000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	39957000	USD
	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	231107000	USD
	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	209001000	USD
	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	104000	USD
	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-12427000	USD
	us-gaap	Profit Loss ProfitLoss	231211000	USD
	us-gaap	Profit Loss ProfitLoss	196574000	USD
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	1534000	USD
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	485000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	229677000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	196089000	USD
	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.80
	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.73
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	-0.04
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.80
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.69
	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.80
	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.73
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	286515000	shares
CY2019Q3	us-gaap	Profit Loss ProfitLoss	108284000	USD
CY2018Q3	us-gaap	Profit Loss ProfitLoss	65744000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-83595000	USD
CY2018Q3	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-24769000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	-1496000	USD
CY2018Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	1980000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-85091000	USD
CY2018Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-22789000	USD
CY2019Q3	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	23193000	USD
CY2018Q3	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	42955000	USD
CY2019Q3	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	-100000	USD
CY2018Q3	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	-2104000	USD
CY2019Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	23293000	USD
CY2018Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	45059000	USD
	us-gaap	Profit Loss ProfitLoss	231211000	USD
	us-gaap	Profit Loss ProfitLoss	196574000	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-71195000	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-132290000	USD
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	-9101000	USD
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	4183000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-80296000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-128107000	USD
	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	150915000	USD
	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	68467000	USD
	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	1777000	USD
	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	-3351000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	149138000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	71818000	USD
CY2019Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1658981000	USD
CY2019Q3	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	6381000	USD
CY2019Q3	irm	Adjustmentsto Additional Paidin Capital Changein Valueof Redeemable Noncontrolling Interests AdjustmentstoAdditionalPaidinCapitalChangeinValueofRedeemableNoncontrollingInterests	0	USD
CY2019Q3	us-gaap	Dividends Common Stock DividendsCommonStock	176665000	USD
CY2019Q3	irm	Other Comprehensive Income Loss Foreign Currency Transactionand Translation Adjustment Excluding Redeemable Noncontrolling Interest Netof Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionandTranslationAdjustmentExcludingRedeemableNoncontrollingInterestNetofTax	-82886000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	-1496000	USD
CY2019Q3	us-gaap	Net Income Loss Including Portion Attributable To Nonredeemable Noncontrolling Interest NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest	107534000	USD
CY2019Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1511849000	USD
CY2018Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1862463000	USD
	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	26078000	USD
	irm	Adjustmentsto Additional Paidin Capital Changein Valueof Redeemable Noncontrolling Interests AdjustmentstoAdditionalPaidinCapitalChangeinValueofRedeemableNoncontrollingInterests	1454000	USD
	us-gaap	Dividends Common Stock DividendsCommonStock	529767000	USD
	irm	Other Comprehensive Income Loss Foreign Currency Transactionand Translation Adjustment Excluding Redeemable Noncontrolling Interest Netof Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionandTranslationAdjustmentExcludingRedeemableNoncontrollingInterestNetofTax	-71438000	USD
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	-9101000	USD
	us-gaap	Net Income Loss Including Portion Attributable To Nonredeemable Noncontrolling Interest NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest	229287000	USD
CY2019Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1511849000	USD
CY2018Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	2035874000	USD
CY2018Q3	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	6742000	USD
CY2018Q3	irm	Adjustmentsto Additional Paidin Capital Changein Valueof Redeemable Noncontrolling Interests AdjustmentstoAdditionalPaidinCapitalChangeinValueofRedeemableNoncontrollingInterests	2448000	USD
CY2018Q3	us-gaap	Dividends Common Stock DividendsCommonStock	169186000	USD
CY2018Q3	irm	Other Comprehensive Income Loss Foreign Currency Transactionand Translation Adjustment Excluding Redeemable Noncontrolling Interest Netof Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionandTranslationAdjustmentExcludingRedeemableNoncontrollingInterestNetofTax	-22791000	USD
CY2018Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	1980000	USD
CY2018Q3	us-gaap	Net Income Loss Including Portion Attributable To Nonredeemable Noncontrolling Interest NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest	65853000	USD
CY2018Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1916024000	USD
CY2017Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	2285134000	USD
	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	20547000	USD
	irm	Adjustmentsto Additional Paidin Capital Changein Valueof Redeemable Noncontrolling Interests AdjustmentstoAdditionalPaidinCapitalChangeinValueofRedeemableNoncontrollingInterests	8799000	USD
	us-gaap	Dividends Common Stock DividendsCommonStock	507437000	USD
	irm	Other Comprehensive Income Loss Foreign Currency Transactionand Translation Adjustment Excluding Redeemable Noncontrolling Interest Netof Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionandTranslationAdjustmentExcludingRedeemableNoncontrollingInterestNetofTax	-128303000	USD
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	4183000	USD
	us-gaap	Net Income Loss Including Portion Attributable To Nonredeemable Noncontrolling Interest NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest	196024000	USD
CY2018Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1916024000	USD
	us-gaap	Profit Loss ProfitLoss	231211000	USD
	us-gaap	Profit Loss ProfitLoss	196574000	USD
	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	104000	USD
	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-12427000	USD
	us-gaap	Depreciation Depreciation	336485000	USD
	us-gaap	Depreciation Depreciation	337923000	USD
	us-gaap	Adjustment For Amortization AdjustmentForAmortization	160176000	USD
	us-gaap	Adjustment For Amortization AdjustmentForAmortization	148209000	USD
	irm	Amortization Of Intangible Assets Customer Inducements And Market Leases AmortizationOfIntangibleAssetsCustomerInducementsAndMarketLeases	10417000	USD
	irm	Amortization Of Intangible Assets Customer Inducements And Market Leases AmortizationOfIntangibleAssetsCustomerInducementsAndMarketLeases	12430000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	28140000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	23352000	USD
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	2643000	USD
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-2699000	USD
	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	17087000	USD
	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	2064000	USD
	irm	Foreign Currency Transaction Gain Loss Unrealized And Adjustments Noncash Items To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities Other ForeignCurrencyTransactionGainLossUnrealizedAndAdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesOther	25283000	USD
	irm	Foreign Currency Transaction Gain Loss Unrealized And Adjustments Noncash Items To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities Other ForeignCurrencyTransactionGainLossUnrealizedAndAdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesOther	1271000	USD
	us-gaap	Increase Decrease In Operating Assets IncreaseDecreaseInOperatingAssets	24121000	USD
	us-gaap	Increase Decrease In Operating Assets IncreaseDecreaseInOperatingAssets	24247000	USD
	us-gaap	Increase Decrease In Operating Liabilities IncreaseDecreaseInOperatingLiabilities	-54332000	USD
	us-gaap	Increase Decrease In Operating Liabilities IncreaseDecreaseInOperatingLiabilities	-75096000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	648145000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	625538000	USD
	us-gaap	Cash Provided By Used In Operating Activities Discontinued Operations CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations	0	USD
	us-gaap	Cash Provided By Used In Operating Activities Discontinued Operations CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations	-995000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	648145000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	624543000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	533614000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	329953000	USD
	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	56499000	USD
	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	1711011000	USD
	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	42990000	USD
	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	38829000	USD
	irm	Paymentsfor Customer Inducements PaymentsforCustomerInducements	7429000	USD
	irm	Paymentsfor Customer Inducements PaymentsforCustomerInducements	6212000	USD
	irm	Increase Decrease In Contract With Customer Liabilities Net IncreaseDecreaseInContractWithCustomerLiabilitiesNet	-63090000	USD
	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	1464000	USD
	us-gaap	Proceeds From Issuance Of Senior Long Term Debt ProceedsFromIssuanceOfSeniorLongTermDebt	0	USD
	irm	Increase Decrease In Contract With Customer Liabilities Net IncreaseDecreaseInContractWithCustomerLiabilitiesNet	-18520000	USD
	us-gaap	Proceeds From Divestiture Of Businesses ProceedsFromDivestitureOfBusinesses	0	USD
	us-gaap	Proceeds From Divestiture Of Businesses ProceedsFromDivestitureOfBusinesses	1019000	USD
	us-gaap	Payments To Acquire Interest In Joint Venture PaymentsToAcquireInterestInJointVenture	19222000	USD
	us-gaap	Payments To Acquire Interest In Joint Venture PaymentsToAcquireInterestInJointVenture	0	USD
	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	82148000	USD
	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	713000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-640696000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-2102793000	USD
	us-gaap	Cash Provided By Used In Investing Activities Discontinued Operations CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations	5061000	USD
	us-gaap	Cash Provided By Used In Investing Activities Discontinued Operations CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations	0	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-635635000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-2102793000	USD
	irm	Repayments Of Secured Debt Short Term And Long Term RepaymentsOfSecuredDebtShortTermAndLongTerm	12690691000	USD
	irm	Repayments Of Secured Debt Short Term And Long Term RepaymentsOfSecuredDebtShortTermAndLongTerm	11226171000	USD
	irm	Proceeds From Issuance Of Secured Debt Short Term And Long Term ProceedsFromIssuanceOfSecuredDebtShortTermAndLongTerm	12256276000	USD
	irm	Proceeds From Issuance Of Secured Debt Short Term And Long Term ProceedsFromIssuanceOfSecuredDebtShortTermAndLongTerm	12437017000	USD
	us-gaap	Proceeds From Issuance Of Senior Long Term Debt ProceedsFromIssuanceOfSeniorLongTermDebt	987500000	USD
	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	2035000	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	528908000	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	505403000	USD
	irm	Proceeds From Over Allotment Option ProceedsFromOverAllotmentOption	0	USD
	irm	Proceeds From Over Allotment Option ProceedsFromOverAllotmentOption	76192000	USD
	irm	Proceeds From Issuance Of At The Market Program ProceedsFromIssuanceOfAtTheMarketProgram	0	USD
	irm	Proceeds From Issuance Of At The Market Program ProceedsFromIssuanceOfAtTheMarketProgram	8716000	USD
	us-gaap	Proceeds From Repurchase Of Equity ProceedsFromRepurchaseOfEquity	-2059000	USD
	us-gaap	Proceeds From Repurchase Of Equity ProceedsFromRepurchaseOfEquity	-2800000	USD
	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	769000	USD
	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	15957000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	19885000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	769559000	USD
	us-gaap	Cash Provided By Used In Financing Activities Discontinued Operations CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations	0	USD
	us-gaap	Cash Provided By Used In Financing Activities Discontinued Operations CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations	0	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	19885000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	769559000	USD
	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-11102000	USD
	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-19332000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	21293000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-728023000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	165485000	USD
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	925699000	USD
CY2019Q3	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	8057000	USD
CY2018Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	15141000	USD
CY2019Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	186778000	USD
CY2018Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	197676000	USD
	us-gaap	Interest Paid Net InterestPaidNet	342139000	USD
	us-gaap	Interest Paid Net InterestPaidNet	322986000	USD
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	54446000	USD
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	49061000	USD
	irm	Noncash Investing And Financing Activities Financing Leases NoncashInvestingAndFinancingActivitiesFinancingLeases	20699000	USD
	irm	Noncash Investing And Financing Activities Financing Leases NoncashInvestingAndFinancingActivitiesFinancingLeases	56493000	USD
	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	78329000	USD
	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	60062000	USD
	irm	Business Combination Consideration Transferred Accrued Purchase Priceand Other Holdbacks BusinessCombinationConsiderationTransferredAccruedPurchasePriceandOtherHoldbacks	4135000	USD
	irm	Business Combination Consideration Transferred Accrued Purchase Priceand Other Holdbacks BusinessCombinationConsiderationTransferredAccruedPurchasePriceandOtherHoldbacks	27919000	USD
CY2019Q3	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	182859000	USD
CY2018Q3	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	174136000	USD
CY2018Q4	us-gaap	Goodwill Goodwill	4441030000	USD
	irm	Goodwill Deductible Acquired During Period GoodwillDeductibleAcquiredDuringPeriod	16117000	USD
	irm	Goodwill Non Deductible Acquired During Period GoodwillNonDeductibleAcquiredDuringPeriod	11553000	USD
	us-gaap	Goodwill Purchase Accounting Adjustments GoodwillPurchaseAccountingAdjustments	205000	USD
	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	46910000	USD
CY2019Q3	us-gaap	Goodwill Goodwill	4421995000	USD
CY2018Q4	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	135420000	USD
CY2019Q3	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	135420000	USD
	irm	Goodwill Purchase Accounting Adjustments Gross GoodwillPurchaseAccountingAdjustmentsGross	867000	USD
	irm	Goodwill Purchase Accounting Adjustments Offset GoodwillPurchaseAccountingAdjustmentsOffset	662000	USD
CY2019Q3	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	257328000	USD
CY2018Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	264823000	USD
CY2019Q3	us-gaap	Contract With Customer Liability Noncurrent ContractWithCustomerLiabilityNoncurrent	26572000	USD
CY2018Q4	us-gaap	Contract With Customer Liability Noncurrent ContractWithCustomerLiabilityNoncurrent	26401000	USD
CY2019Q3	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	1765496000	USD
CY2019Q1	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	1825721000	USD
CY2019Q3	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	327264000	USD
CY2019Q1	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	361078000	USD
CY2019Q3	irm	Lease Rightof Use Asset LeaseRightofUseAsset	2092760000	USD
CY2019Q1	irm	Lease Rightof Use Asset LeaseRightofUseAsset	2186799000	USD
CY2019Q3	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	216176000	USD
CY2019Q1	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	209911000	USD
CY2019Q3	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	47112000	USD
CY2019Q1	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	50437000	USD
CY2019Q3	irm	Lease Liability Current LeaseLiabilityCurrent	263288000	USD
CY2019Q1	irm	Lease Liability Current LeaseLiabilityCurrent	260348000	USD
CY2019Q3	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	1626907000	USD
CY2019Q1	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	1685771000	USD
CY2019Q3	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	318986000	USD
CY2019Q1	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	350263000	USD
CY2019Q3	irm	Lease Liability Noncurrent LeaseLiabilityNoncurrent	1945893000	USD
CY2019Q1	irm	Lease Liability Noncurrent LeaseLiabilityNoncurrent	2036034000	USD
CY2019Q3	irm	Lease Liability LeaseLiability	2209181000	USD
CY2019Q1	irm	Lease Liability LeaseLiability	2296382000	USD
CY2019Q3	irm	Operating Lease Right Of Use Asset Real Estate Assets Percent OperatingLeaseRightOfUseAssetRealEstateAssetsPercent	0.98
CY2019Q3	irm	Operating Lease Right Of Use Asset Non Real Estate Assets Percent OperatingLeaseRightOfUseAssetNonRealEstateAssetsPercent	0.02
CY2019Q3	irm	Finance Lease Right Of Use Asset Real Estate Assets Percent FinanceLeaseRightOfUseAssetRealEstateAssetsPercent	0.64
CY2019Q3	irm	Finance Lease Right Of Use Asset Non Real Estate Assets Percent FinanceLeaseRightOfUseAssetNonRealEstateAssetsPercent	0.36
CY2019Q3	us-gaap	Operating Lease Cost OperatingLeaseCost	114727000	USD
	us-gaap	Operating Lease Cost OperatingLeaseCost	343282000	USD
CY2019Q3	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	14679000	USD
	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	45950000	USD
CY2019Q3	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	4905000	USD
	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	15972000	USD
CY2019Q3	irm	Finance Lease Cost FinanceLeaseCost	19584000	USD
	irm	Finance Lease Cost FinanceLeaseCost	61922000	USD
CY2019Q3	us-gaap	Operating Lease Cost OperatingLeaseCost	114727000	USD
	us-gaap	Operating Lease Cost OperatingLeaseCost	343282000	USD
CY2019Q3	us-gaap	Variable Lease Cost VariableLeaseCost	26121000	USD
	us-gaap	Variable Lease Cost VariableLeaseCost	78712000	USD
CY2019Q3	us-gaap	Sublease Income SubleaseIncome	1667000	USD
	us-gaap	Sublease Income SubleaseIncome	5221000	USD
CY2019Q3	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P11Y
CY2019Q3	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P11Y
CY2019Q3	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.071
CY2019Q3	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.056
CY2019Q3	us-gaap	Lessee Operating Lease Liability Payments Remainder Of Fiscal Year LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear	87009000	USD
CY2019Q3	irm	Operating Leases Future Minimum Payments Due Future Minimum Sublease Rentals Within One Year OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentalsWithinOneYear	1646000	USD
CY2019Q3	us-gaap	Finance Lease Liability Payments Remainder Of Fiscal Year FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear	32386000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	323448000	USD
CY2019Q3	irm	Operating Leases Future Minimum Payments Due Future Minimum Sublease Rentals Within Two Years OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentalsWithinTwoYears	7520000	USD
CY2019Q3	us-gaap	Finance Lease Liability Payments Due Year Two FinanceLeaseLiabilityPaymentsDueYearTwo	57887000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	267379000	USD
CY2018Q4	irm	Operating Leases Future Minimum Payments Due Future Minimum Sublease Rentals Within Three Years OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentalsWithinThreeYears	7063000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Due In Three Years CapitalLeasesFutureMinimumPaymentsDueInThreeYears	61269000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	246128000	USD
CY2018Q4	irm	Operating Leases Future Minimum Payments Due Future Minimum Sublease Rentals Within Four Years OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentalsWithinFourYears	6694000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Due In Four Years CapitalLeasesFutureMinimumPaymentsDueInFourYears	52832000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	298656000	USD
CY2019Q3	irm	Operating Leases Future Minimum Payments Due Future Minimum Sublease Rentals Within Three Years OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentalsWithinThreeYears	5185000	USD
CY2019Q3	us-gaap	Finance Lease Liability Payments Due Year Three FinanceLeaseLiabilityPaymentsDueYearThree	52685000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	274021000	USD
CY2019Q3	irm	Operating Leases Future Minimum Payments Due Future Minimum Sublease Rentals Within Four Years OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentalsWithinFourYears	4905000	USD
CY2019Q3	us-gaap	Finance Lease Liability Payments Due Year Four FinanceLeaseLiabilityPaymentsDueYearFour	46358000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	248066000	USD
CY2019Q3	irm	Operating Leases Future Minimum Payments Due Future Minimum Sublease Rentals Within Five Years OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentalsWithinFiveYears	4795000	USD
CY2019Q3	us-gaap	Finance Lease Liability Payments Due Year Five FinanceLeaseLiabilityPaymentsDueYearFive	38695000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	1505195000	USD
CY2019Q3	irm	Operating Leases Future Minimum Payments Due Future Minimum Sublease Rentals Thereafter OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentalsThereafter	10673000	USD
CY2019Q3	us-gaap	Finance Lease Liability Payments Due After Year Five FinanceLeaseLiabilityPaymentsDueAfterYearFive	292903000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	2736395000	USD
CY2019Q3	us-gaap	Operating Leases Future Minimum Payments Due Future Minimum Sublease Rentals OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentals	34724000	USD
CY2019Q3	us-gaap	Finance Lease Liability Payments Due FinanceLeaseLiabilityPaymentsDue	520914000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	893312000	USD
CY2019Q3	us-gaap	Finance Lease Liability Undiscounted Excess Amount FinanceLeaseLiabilityUndiscountedExcessAmount	154816000	USD
CY2019Q3	us-gaap	Operating Lease Liability OperatingLeaseLiability	1843083000	USD
CY2019Q3	us-gaap	Finance Lease Liability FinanceLeaseLiability	366098000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	323454000	USD
CY2018Q4	irm	Operating Leases Future Minimum Payments Due Future Minimum Sublease Rentals Within One Year OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentalsWithinOneYear	7525000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Due Current CapitalLeasesFutureMinimumPaymentsDueCurrent	80513000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	293276000	USD
CY2018Q4	irm	Operating Leases Future Minimum Payments Due Future Minimum Sublease Rentals Within Two Years OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentalsWithinTwoYears	7200000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Due In Two Years CapitalLeasesFutureMinimumPaymentsDueInTwoYears	71335000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	221808000	USD
CY2018Q4	irm	Operating Leases Future Minimum Payments Due Future Minimum Sublease Rentals Within Five Years OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentalsWithinFiveYears	6409000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Due In Five Years CapitalLeasesFutureMinimumPaymentsDueInFiveYears	44722000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	1287807000	USD
CY2018Q4	irm	Operating Leases Future Minimum Payments Due Future Minimum Sublease Rentals Thereafter OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentalsThereafter	6279000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Due Thereafter CapitalLeasesFutureMinimumPaymentsDueThereafter	377750000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	2639852000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due Future Minimum Sublease Rentals OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentals	41170000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Due CapitalLeasesFutureMinimumPaymentsDue	688421000	USD
CY2018Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-11605000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Interest Included In Payments CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments	241248000	USD
CY2018Q4	irm	Capital Leases Future Minimum Payments Present Value Of Net Minimum Payments Excluding Common Area Maintenance Costs CapitalLeasesFutureMinimumPaymentsPresentValueOfNetMinimumPaymentsExcludingCommonAreaMaintenanceCosts	447173000	USD
	us-gaap	Operating Lease Payments OperatingLeasePayments	252277000	USD
	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	15972000	USD
	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	44808000	USD
	irm	Operating Lease Modifications And Reassessments OperatingLeaseModificationsAndReassessments	42418000	USD
	irm	Noncash Or Part Noncash Transaction Operating Leases NoncashOrPartNoncashTransactionOperatingLeases	117193000	USD
	irm	Noncash Investing And Financing Activities Financing Leases NoncashInvestingAndFinancingActivitiesFinancingLeases	20699000	USD
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Expiration Period SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod	P3Y
CY2019Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	7120000	USD
CY2019Q3	us-gaap	Allocated Share Based Compensation Expense Net Of Tax AllocatedShareBasedCompensationExpenseNetOfTax	6632000	USD
CY2019Q3	irm	Allocated Share Based Compensation Expense Earnings Per Share Basic And Diluted AllocatedShareBasedCompensationExpenseEarningsPerShareBasicAndDiluted	0.02
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	28140000	USD
	us-gaap	Allocated Share Based Compensation Expense Net Of Tax AllocatedShareBasedCompensationExpenseNetOfTax	26216000	USD
	irm	Allocated Share Based Compensation Expense Earnings Per Share Basic And Diluted AllocatedShareBasedCompensationExpenseEarningsPerShareBasicAndDiluted	0.09
CY2018Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	7279000	USD
CY2018Q3	us-gaap	Allocated Share Based Compensation Expense Net Of Tax AllocatedShareBasedCompensationExpenseNetOfTax	6734000	USD
CY2018Q3	irm	Allocated Share Based Compensation Expense Earnings Per Share Basic And Diluted AllocatedShareBasedCompensationExpenseEarningsPerShareBasicAndDiluted	0.02
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	23352000	USD
	us-gaap	Allocated Share Based Compensation Expense Net Of Tax AllocatedShareBasedCompensationExpenseNetOfTax	21599000	USD
	irm	Allocated Share Based Compensation Expense Earnings Per Share Basic And Diluted AllocatedShareBasedCompensationExpenseEarningsPerShareBasicAndDiluted	0.08
CY2019Q3	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	50152000	USD
	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P1Y10M24D
CY2019Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	0	USD
CY2019Q3	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	108284000	USD
CY2018Q3	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	77349000	USD
	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	231107000	USD
	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	209001000	USD
CY2019Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	609000	USD
CY2018Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-125000	USD
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	1534000	USD
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	485000	USD
CY2019Q3	irm	Incomelossfrom Continuing Operations Netof Taxexcluding Portion Attributableto Noncontrolling Interest IncomelossfromContinuingOperationsNetofTaxexcludingPortionAttributabletoNoncontrollingInterest	107675000	USD
CY2018Q3	irm	Incomelossfrom Continuing Operations Netof Taxexcluding Portion Attributableto Noncontrolling Interest IncomelossfromContinuingOperationsNetofTaxexcludingPortionAttributabletoNoncontrollingInterest	77474000	USD
	irm	Incomelossfrom Continuing Operations Netof Taxexcluding Portion Attributableto Noncontrolling Interest IncomelossfromContinuingOperationsNetofTaxexcludingPortionAttributabletoNoncontrollingInterest	229573000	USD
	irm	Incomelossfrom Continuing Operations Netof Taxexcluding Portion Attributableto Noncontrolling Interest IncomelossfromContinuingOperationsNetofTaxexcludingPortionAttributabletoNoncontrollingInterest	208516000	USD
	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	104000	USD
	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-12427000	USD
CY2019Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	107675000	USD
CY2018Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	65869000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	229677000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	196089000	USD
CY2019Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	287152000	shares
CY2018Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	286159000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	286869000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	285801000	shares
CY2019Q3	irm	Incremental Common Shares Attributable To Share Based Payments Arrangements Stock Option IncrementalCommonSharesAttributableToShareBasedPaymentsArrangementsStockOption	93752	shares
CY2018Q3	irm	Incremental Common Shares Attributable To Share Based Payments Arrangements Stock Option IncrementalCommonSharesAttributableToShareBasedPaymentsArrangementsStockOption	264451	shares
	irm	Incremental Common Shares Attributable To Share Based Payments Arrangements Stock Option IncrementalCommonSharesAttributableToShareBasedPaymentsArrangementsStockOption	157928	shares
	irm	Incremental Common Shares Attributable To Share Based Payments Arrangements Stock Option IncrementalCommonSharesAttributableToShareBasedPaymentsArrangementsStockOption	250574	shares
CY2019Q3	irm	Incremental Common Shares Attributable To Share Based Payments Restricted Stock And Rs Us And P Us IncrementalCommonSharesAttributableToShareBasedPaymentsRestrictedStockAndRSUsAndPUs	445081	shares
CY2018Q3	irm	Incremental Common Shares Attributable To Share Based Payments Restricted Stock And Rs Us And P Us IncrementalCommonSharesAttributableToShareBasedPaymentsRestrictedStockAndRSUsAndPUs	558891	shares
	irm	Incremental Common Shares Attributable To Share Based Payments Restricted Stock And Rs Us And P Us IncrementalCommonSharesAttributableToShareBasedPaymentsRestrictedStockAndRSUsAndPUs	528387	shares
	irm	Incremental Common Shares Attributable To Share Based Payments Restricted Stock And Rs Us And P Us IncrementalCommonSharesAttributableToShareBasedPaymentsRestrictedStockAndRSUsAndPUs	463583	shares
CY2019Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	287690833	shares
CY2018Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	286982342	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	287555315	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	286515157	shares
CY2019Q3	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.37
CY2018Q3	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.27
	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.80
	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.73
CY2019Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0
CY2018Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	-0.04
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	-0.04
CY2019Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.37
CY2018Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.23
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.80
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.69
CY2019Q3	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.37
CY2018Q3	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.27
	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.80
	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.73
CY2019Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0
CY2018Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	-0.04
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	-0.04
CY2019Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.37
CY2018Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.23
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.80
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.68
CY2019Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	4782661	shares
CY2018Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	3253975	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	4590645	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	3256206	shares
CY2019Q3	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.168
CY2018Q3	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.153
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.157
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.160
	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
	us-gaap	Income Tax Reconciliation Tax Settlements IncomeTaxReconciliationTaxSettlements	-14000000	USD
CY2019Q3	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	9300000	USD
	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	17100000	USD
CY2019Q3	irm	Sale Leaseback Transactions Number Of Facilities SaleLeasebackTransactionsNumberOfFacilities	5	facility
CY2019Q3	us-gaap	Sale And Leaseback Transaction Gain Loss Net SaleAndLeasebackTransactionGainLossNet	9800000	USD
CY2018Q3	us-gaap	Gain Loss On Sale Of Properties GainLossOnSaleOfProperties	1300000	USD
CY2019Q3	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	18251000	USD
CY2018Q3	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-664000	USD
	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	19885000	USD
	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-3825000	USD
CY2019Q3	irm	Other Nonoperating Income Expense Other Net OtherNonoperatingIncomeExpenseOtherNet	-4836000	USD
CY2018Q3	irm	Other Nonoperating Income Expense Other Net OtherNonoperatingIncomeExpenseOtherNet	339000	USD
	irm	Other Nonoperating Income Expense Other Net OtherNonoperatingIncomeExpenseOtherNet	-6488000	USD
	irm	Other Nonoperating Income Expense Other Net OtherNonoperatingIncomeExpenseOtherNet	2405000	USD
CY2019Q3	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	13415000	USD
CY2018Q3	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-325000	USD
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	13397000	USD
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-1420000	USD
CY2018Q4	irm	Longterm Debt Gross Current Maturities LongtermDebtGrossCurrentMaturities	126406000	USD
CY2018Q4	us-gaap	Gain Loss On Sale Of Properties GainLossOnSaleOfProperties	54000000	USD
CY2018Q3	us-gaap	Business Acquisitions Pro Forma Revenue BusinessAcquisitionsProFormaRevenue	1060991000	USD
	us-gaap	Business Acquisitions Pro Forma Revenue BusinessAcquisitionsProFormaRevenue	3167762000	USD
CY2018Q3	us-gaap	Business Acquisitions Pro Forma Income Loss From Continuing Operations Before Changes In Accounting And Extraordinary Items Net Of Tax BusinessAcquisitionsProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTax	77349000	USD
	us-gaap	Business Acquisitions Pro Forma Income Loss From Continuing Operations Before Changes In Accounting And Extraordinary Items Net Of Tax BusinessAcquisitionsProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTax	218953000	USD
CY2018Q3	us-gaap	Business Acquisition Pro Forma Income Loss From Continuing Operations Before Changes In Accounting And Extraordinary Items Net Of Tax Per Share Basic BusinessAcquisitionProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTaxPerShareBasic	0.27
	us-gaap	Business Acquisition Pro Forma Income Loss From Continuing Operations Before Changes In Accounting And Extraordinary Items Net Of Tax Per Share Basic BusinessAcquisitionProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTaxPerShareBasic	0.76
CY2018Q3	us-gaap	Business Acquisition Pro Forma Income Loss From Continuing Operations Before Changes In Accounting And Extraordinary Items Net Of Tax Per Share Diluted BusinessAcquisitionProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTaxPerShareDiluted	0.27
	us-gaap	Business Acquisition Pro Forma Income Loss From Continuing Operations Before Changes In Accounting And Extraordinary Items Net Of Tax Per Share Diluted BusinessAcquisitionProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTaxPerShareDiluted	0.76
CY2019Q3	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	8704642000	USD
CY2019Q3	us-gaap	Unamortized Debt Issuance Expense UnamortizedDebtIssuanceExpense	89473000	USD
CY2019Q3	us-gaap	Long Term Debt LongTermDebt	8615169000	USD
CY2018Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	8229430000	USD
CY2018Q4	us-gaap	Unamortized Debt Issuance Expense UnamortizedDebtIssuanceExpense	86607000	USD
CY2018Q4	us-gaap	Long Term Debt LongTermDebt	8142823000	USD
CY2019Q3	irm	Longterm Debt Gross Current Maturities LongtermDebtGrossCurrentMaturities	394822000	USD
CY2019Q3	irm	Unamortized Debt Issuance Expense Current UnamortizedDebtIssuanceExpenseCurrent	0	USD
CY2019Q3	us-gaap	Long Term Debt Current LongTermDebtCurrent	394822000	USD
CY2018Q4	irm	Unamortized Debt Issuance Expense Current UnamortizedDebtIssuanceExpenseCurrent	0	USD
CY2018Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	126406000	USD
CY2019Q3	irm	Long Term Debt Gross Netof Current Portion LongTermDebtGrossNetofCurrentPortion	8309820000	USD
CY2019Q3	irm	Unamortized Debt Issuance Expense Net UnamortizedDebtIssuanceExpenseNet	89473000	USD
CY2019Q3	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	8220347000	USD
CY2018Q4	irm	Long Term Debt Gross Netof Current Portion LongTermDebtGrossNetofCurrentPortion	8103024000	USD
CY2018Q4	irm	Unamortized Debt Issuance Expense Net UnamortizedDebtIssuanceExpenseNet	86607000	USD
CY2018Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	8016417000	USD
CY2019Q3	irm	Cash Pool Agreement Number Of Cash Pools CashPoolAgreementNumberOfCashPools	2	cash_pool
CY2019Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	186778000	USD
CY2019Q3	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	821926000	USD
CY2019Q3	us-gaap	Due From Related Parties Current DueFromRelatedPartiesCurrent	0	USD
CY2019Q3	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	195189000	USD
CY2019Q3	us-gaap	Assets Current AssetsCurrent	1203893000	USD
CY2019Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	4556719000	USD
CY2019Q3	us-gaap	Due From Related Parties Noncurrent DueFromRelatedPartiesNoncurrent	0	USD
CY2019Q3	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	0	USD
CY2019Q3	us-gaap	Goodwill Goodwill	4421995000	USD
CY2019Q3	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	1765496000	USD
CY2019Q3	irm	Other Assets Noncurrent Consolidating Balance Sheet OtherAssetsNoncurrentConsolidatingBalanceSheet	1629064000	USD
CY2019Q3	irm	Assets Noncurrent Excluding Property Plant And Equipment Net AssetsNoncurrentExcludingPropertyPlantAndEquipmentNet	7816555000	USD
CY2019Q3	us-gaap	Assets Assets	13577167000	USD
CY2019Q3	us-gaap	Accounts Payable Related Parties Current AccountsPayableRelatedPartiesCurrent	0	USD
CY2019Q3	irm	Borrowings Under Cash Pools BorrowingsUnderCashPools	0	USD
CY2019Q3	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	394822000	USD
CY2019Q3	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	1435289000	USD
CY2019Q3	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	8220347000	USD
CY2018Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	1364369000	USD
CY2018Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	8016417000	USD
CY2018Q4	us-gaap	Notes Payable Related Parties Noncurrent NotesPayableRelatedPartiesNoncurrent	0	USD
CY2018Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	11857218000	USD
CY2019Q3	irm	Revenuefrom Contractwith Customer Excluding Assessed Tax Intercompany RevenuefromContractwithCustomerExcludingAssessedTaxIntercompany	0	USD
CY2018Q4	irm	Other Liabilities Noncurrent Consolidating Balance Sheet OtherLiabilitiesNoncurrentConsolidatingBalanceSheet	417031000	USD
CY2018Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2018Q4	us-gaap	Redeemable Noncontrolling Interest Equity Carrying Amount RedeemableNoncontrollingInterestEquityCarryingAmount	70532000	USD
CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	1861054000	USD
CY2018Q4	us-gaap	Minority Interest MinorityInterest	1409000	USD
CY2018Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1862463000	USD
CY2019Q3	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	1626907000	USD
CY2019Q3	us-gaap	Notes Payable Related Parties Noncurrent NotesPayableRelatedPartiesNoncurrent	0	USD
CY2019Q3	irm	Other Liabilities Noncurrent Consolidating Balance Sheet OtherLiabilitiesNoncurrentConsolidatingBalanceSheet	319854000	USD
CY2019Q3	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2019Q3	us-gaap	Redeemable Noncontrolling Interest Equity Carrying Amount RedeemableNoncontrollingInterestEquityCarryingAmount	68099000	USD
CY2019Q3	us-gaap	Stockholders Equity StockholdersEquity	1510830000	USD
CY2019Q3	us-gaap	Minority Interest MinorityInterest	1019000	USD
CY2019Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1511849000	USD
CY2019Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	13577167000	USD
CY2018Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	165485000	USD
CY2018Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	846889000	USD
CY2018Q4	us-gaap	Due From Related Parties Current DueFromRelatedPartiesCurrent	0	USD
CY2018Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	195740000	USD
CY2018Q4	us-gaap	Assets Current AssetsCurrent	1208114000	USD
CY2018Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	4489557000	USD
CY2018Q4	us-gaap	Due From Related Parties Noncurrent DueFromRelatedPartiesNoncurrent	0	USD
CY2018Q4	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	0	USD
CY2018Q4	us-gaap	Goodwill Goodwill	4441030000	USD
CY2018Q4	irm	Other Assets Noncurrent Consolidating Balance Sheet OtherAssetsNoncurrentConsolidatingBalanceSheet	1718517000	USD
CY2018Q4	irm	Assets Noncurrent Excluding Property Plant And Equipment Net AssetsNoncurrentExcludingPropertyPlantAndEquipmentNet	6159547000	USD
CY2018Q4	us-gaap	Assets Assets	11857218000	USD
CY2018Q4	us-gaap	Accounts Payable Related Parties Current AccountsPayableRelatedPartiesCurrent	0	USD
CY2018Q4	irm	Borrowings Under Cash Pools BorrowingsUnderCashPools	0	USD
CY2018Q4	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	126406000	USD
CY2019Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1062224000	USD
CY2019Q3	us-gaap	Cost Of Goods And Service Excluding Depreciation Depletion And Amortization CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization	451317000	USD
CY2019Q3	irm	Intercompany Expense IntercompanyExpense	0	USD
CY2019Q3	us-gaap	Costs And Expenses CostsAndExpenses	838750000	USD
CY2019Q3	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	239156000	USD
CY2019Q3	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	157561000	USD
CY2019Q3	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	9284000	USD
CY2019Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	223474000	USD
CY2019Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-106677000	USD
CY2019Q3	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	13415000	USD
CY2019Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	130212000	USD
CY2019Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	21928000	USD
CY2019Q3	us-gaap	Income Loss From Subsidiaries Net Of Tax IncomeLossFromSubsidiariesNetOfTax	0	USD
CY2019Q3	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	108284000	USD
CY2019Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	0	USD
CY2019Q3	us-gaap	Profit Loss ProfitLoss	108284000	USD
CY2019Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	609000	USD
CY2019Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	107675000	USD
CY2019Q3	us-gaap	Profit Loss ProfitLoss	108284000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-83595000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	-1496000	USD
CY2019Q3	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	0	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-85091000	USD
CY2019Q3	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	23193000	USD
CY2019Q3	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	-100000	USD
CY2019Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	23293000	USD
CY2018Q3	irm	Revenuefrom Contractwith Customer Excluding Assessed Tax Intercompany RevenuefromContractwithCustomerExcludingAssessedTaxIntercompany	0	USD
CY2018Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1060991000	USD
CY2018Q3	us-gaap	Cost Of Goods And Service Excluding Depreciation Depletion And Amortization CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization	448018000	USD
CY2018Q3	irm	Intercompany Expense IntercompanyExpense	0	USD
CY2018Q3	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	259929000	USD
CY2018Q3	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	157797000	USD
CY2018Q3	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	388000	USD
CY2018Q3	us-gaap	Costs And Expenses CostsAndExpenses	865356000	USD
CY2018Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	195635000	USD
CY2018Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-103938000	USD
CY2018Q3	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-325000	USD
CY2018Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	91372000	USD
CY2018Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	14023000	USD
CY2018Q3	us-gaap	Income Loss From Subsidiaries Net Of Tax IncomeLossFromSubsidiariesNetOfTax	0	USD
CY2018Q3	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	77349000	USD
CY2018Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-11605000	USD
CY2018Q3	us-gaap	Profit Loss ProfitLoss	65744000	USD
CY2018Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-125000	USD
CY2018Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	65869000	USD
CY2018Q3	us-gaap	Profit Loss ProfitLoss	65744000	USD
CY2018Q3	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-24769000	USD
CY2018Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	1980000	USD
CY2018Q3	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	0	USD
CY2018Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-22789000	USD
CY2018Q3	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	42955000	USD
CY2018Q3	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	-2104000	USD
CY2018Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	45059000	USD
	irm	Revenuefrom Contractwith Customer Excluding Assessed Tax Intercompany RevenuefromContractwithCustomerExcludingAssessedTaxIntercompany	0	USD
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3182994000	USD
	us-gaap	Cost Of Goods And Service Excluding Depreciation Depletion And Amortization CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization	1377963000	USD
	irm	Intercompany Expense IntercompanyExpense	0	USD
	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	762479000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	484375000	USD
	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	17087000	USD
	us-gaap	Costs And Expenses CostsAndExpenses	2607730000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	575264000	USD
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-314427000	USD
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	13397000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	274234000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	43127000	USD
	us-gaap	Income Loss From Subsidiaries Net Of Tax IncomeLossFromSubsidiariesNetOfTax	0	USD
	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	231107000	USD
	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	104000	USD
	us-gaap	Profit Loss ProfitLoss	231211000	USD
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	1534000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	229677000	USD
	us-gaap	Profit Loss ProfitLoss	231211000	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-71195000	USD
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	-9101000	USD
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	0	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-80296000	USD
	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	150915000	USD
	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	1777000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	149138000	USD
	irm	Revenuefrom Contractwith Customer Excluding Assessed Tax Intercompany RevenuefromContractwithCustomerExcludingAssessedTaxIntercompany	0	USD
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3164272000	USD
	us-gaap	Cost Of Goods And Service Excluding Depreciation Depletion And Amortization CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization	1348203000	USD
	irm	Intercompany Expense IntercompanyExpense	0	USD
	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	789324000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	474595000	USD
	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	2064000	USD
	us-gaap	Costs And Expenses CostsAndExpenses	2610058000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	554214000	USD
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-303836000	USD
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-1420000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	248958000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	39957000	USD
	us-gaap	Income Loss From Subsidiaries Net Of Tax IncomeLossFromSubsidiariesNetOfTax	0	USD
	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	209001000	USD
	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-12427000	USD
	us-gaap	Profit Loss ProfitLoss	196574000	USD
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	485000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	196089000	USD
	us-gaap	Profit Loss ProfitLoss	196574000	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-132290000	USD
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	4183000	USD
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	0	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-128107000	USD
	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	68467000	USD
	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	-3351000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	71818000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	648145000	USD
	us-gaap	Cash Provided By Used In Operating Activities Discontinued Operations CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations	0	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	648145000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	533614000	USD
	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	56499000	USD
	irm	Proceeds From Intercompany Loans ProceedsFromIntercompanyLoans	0	USD
	irm	Paymentsto Acquire Customer Relationships Customer Inducementsand Contract Fulfillment Costs PaymentstoAcquireCustomerRelationshipsCustomerInducementsandContractFulfillmentCosts	113509000	USD
	us-gaap	Payments To Acquire Interest In Joint Venture PaymentsToAcquireInterestInJointVenture	19222000	USD
	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	82148000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-640696000	USD
	us-gaap	Cash Provided By Used In Investing Activities Discontinued Operations CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations	5061000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-635635000	USD
	irm	Repayments Of Secured Debt Short Term And Long Term RepaymentsOfSecuredDebtShortTermAndLongTerm	12690691000	USD
	irm	Proceeds From Issuance Of Secured Debt Short Term And Long Term ProceedsFromIssuanceOfSecuredDebtShortTermAndLongTerm	12256276000	USD
	us-gaap	Proceeds From Issuance Of Senior Long Term Debt ProceedsFromIssuanceOfSeniorLongTermDebt	987500000	USD
	irm	Borrowingspayments Under Cash Pools BorrowingspaymentsUnderCashPools	0	USD
	us-gaap	Proceeds From Payments To Minority Shareholders ProceedsFromPaymentsToMinorityShareholders	-1464000	USD
	irm	Proceeds From Loans From Parent ProceedsFromLoansFromParent	0	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	528908000	USD
	us-gaap	Proceeds From Repurchase Of Equity ProceedsFromRepurchaseOfEquity	-2059000	USD
	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	769000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	19885000	USD
	us-gaap	Cash Provided By Used In Financing Activities Discontinued Operations CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations	0	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	19885000	USD
	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-11102000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	21293000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	165485000	USD
CY2019Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	186778000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	625538000	USD
	us-gaap	Cash Provided By Used In Operating Activities Discontinued Operations CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations	-995000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	624543000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	329953000	USD
	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	1711011000	USD
	irm	Proceeds From Intercompany Loans ProceedsFromIntercompanyLoans	0	USD
	irm	Paymentsto Acquire Customer Relationships Customer Inducementsand Contract Fulfillment Costs PaymentstoAcquireCustomerRelationshipsCustomerInducementsandContractFulfillmentCosts	63561000	USD
	us-gaap	Proceeds From Divestiture Of Businesses ProceedsFromDivestitureOfBusinesses	1019000	USD
	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	713000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-2102793000	USD
	us-gaap	Cash Provided By Used In Investing Activities Discontinued Operations CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations	0	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-2102793000	USD
	irm	Repayments Of Secured Debt Short Term And Long Term RepaymentsOfSecuredDebtShortTermAndLongTerm	11226171000	USD
	irm	Proceeds From Issuance Of Secured Debt Short Term And Long Term ProceedsFromIssuanceOfSecuredDebtShortTermAndLongTerm	12437017000	USD
	irm	Borrowingspayments Under Cash Pools BorrowingspaymentsUnderCashPools	0	USD
	us-gaap	Proceeds From Payments To Minority Shareholders ProceedsFromPaymentsToMinorityShareholders	-2035000	USD
	irm	Proceeds From Loans From Parent ProceedsFromLoansFromParent	0	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	505403000	USD
	us-gaap	Proceeds From Repurchase Of Equity ProceedsFromRepurchaseOfEquity	-2800000	USD
	irm	Proceeds From Over Allotment Option ProceedsFromOverAllotmentOption	76192000	USD
	irm	Proceeds From Issuance Of At The Market Program ProceedsFromIssuanceOfAtTheMarketProgram	8716000	USD
	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	15957000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	769559000	USD
	us-gaap	Cash Provided By Used In Financing Activities Discontinued Operations CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations	0	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	769559000	USD
	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-19332000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-728023000	USD
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	925699000	USD
CY2018Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	197676000	USD
CY2018	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	6	segment
CY2019Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1062224000	USD
CY2019Q3	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	157561000	USD
CY2019Q3	us-gaap	Depreciation Depreciation	108152000	USD
CY2019Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	49409000	USD
CY2019Q3	irm	Adjustedearningsbeforeinterestexpensenetprovisionbenefitforincometaxesdepreciationandamortization Adjustedearningsbeforeinterestexpensenetprovisionbenefitforincometaxesdepreciationandamortization	375701000	USD
CY2019Q3	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	201278000	USD
CY2019Q3	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	166483000	USD
CY2019Q3	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	11848000	USD
CY2019Q3	irm	Paymentsto Acquire Customer Relationships Customer Inducementsand Contract Fulfillment Costs PaymentstoAcquireCustomerRelationshipsCustomerInducementsandContractFulfillmentCosts	22947000	USD
CY2018Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1060991000	USD
CY2018Q3	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	157797000	USD
CY2018Q3	us-gaap	Depreciation Depreciation	112990000	USD
CY2018Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	44807000	USD
CY2018Q3	irm	Adjustedearningsbeforeinterestexpensenetprovisionbenefitforincometaxesdepreciationandamortization Adjustedearningsbeforeinterestexpensenetprovisionbenefitforincometaxesdepreciationandamortization	362330000	USD
CY2018Q3	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	182822000	USD
CY2018Q3	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	112352000	USD
CY2018Q3	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	44142000	USD
CY2018Q3	irm	Paymentsto Acquire Customer Relationships Customer Inducementsand Contract Fulfillment Costs PaymentstoAcquireCustomerRelationshipsCustomerInducementsandContractFulfillmentCosts	26328000	USD
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3182994000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	484375000	USD
	us-gaap	Depreciation Depreciation	336485000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	147890000	USD
	irm	Adjustedearningsbeforeinterestexpensenetprovisionbenefitforincometaxesdepreciationandamortization Adjustedearningsbeforeinterestexpensenetprovisionbenefitforincometaxesdepreciationandamortization	1051149000	USD
CY2019Q3	us-gaap	Assets Assets	13577167000	USD
	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	703622000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	533614000	USD
	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	56499000	USD
	irm	Paymentsto Acquire Customer Relationships Customer Inducementsand Contract Fulfillment Costs PaymentstoAcquireCustomerRelationshipsCustomerInducementsandContractFulfillmentCosts	113509000	USD
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3164272000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	474595000	USD
	us-gaap	Depreciation Depreciation	337923000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	136672000	USD
	irm	Adjustedearningsbeforeinterestexpensenetprovisionbenefitforincometaxesdepreciationandamortization Adjustedearningsbeforeinterestexpensenetprovisionbenefitforincometaxesdepreciationandamortization	1065460000	USD
CY2018Q3	us-gaap	Assets Assets	11810870000	USD
	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	2104525000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	329953000	USD
	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	1711011000	USD
	irm	Paymentsto Acquire Customer Relationships Customer Inducementsand Contract Fulfillment Costs PaymentstoAcquireCustomerRelationshipsCustomerInducementsandContractFulfillmentCosts	63561000	USD
CY2019Q3	irm	Adjustedearningsbeforeinterestexpensenetprovisionbenefitforincometaxesdepreciationandamortization Adjustedearningsbeforeinterestexpensenetprovisionbenefitforincometaxesdepreciationandamortization	375701000	USD
CY2018Q3	irm	Adjustedearningsbeforeinterestexpensenetprovisionbenefitforincometaxesdepreciationandamortization Adjustedearningsbeforeinterestexpensenetprovisionbenefitforincometaxesdepreciationandamortization	362330000	USD
	irm	Adjustedearningsbeforeinterestexpensenetprovisionbenefitforincometaxesdepreciationandamortization Adjustedearningsbeforeinterestexpensenetprovisionbenefitforincometaxesdepreciationandamortization	1051149000	USD
	irm	Adjustedearningsbeforeinterestexpensenetprovisionbenefitforincometaxesdepreciationandamortization Adjustedearningsbeforeinterestexpensenetprovisionbenefitforincometaxesdepreciationandamortization	1065460000	USD
CY2019Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	21928000	USD
CY2018Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	14023000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	43127000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	39957000	USD
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-303836000	USD
CY2019Q3	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	9284000	USD
CY2019Q3	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	13415000	USD
CY2018Q3	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-325000	USD
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	13397000	USD
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-1420000	USD
CY2019Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-106677000	USD
CY2018Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-103938000	USD
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-314427000	USD
CY2018Q3	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	388000	USD
	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	17087000	USD
	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	2064000	USD
CY2019Q3	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	157561000	USD
CY2018Q3	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	157797000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	484375000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	474595000	USD
CY2019Q3	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	108284000	USD
CY2018Q3	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	77349000	USD
	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	231107000	USD
	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	209001000	USD
CY2019Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1062224000	USD
CY2018Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1060991000	USD
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3182994000	USD
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3164272000	USD
CY2018Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.5875
CY2018Q2	us-gaap	Dividends Common Stock DividendsCommonStock	167969000	USD
CY2018Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.5875
CY2018Q3	us-gaap	Dividends Common Stock DividendsCommonStock	168078000	USD
CY2018Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.5875
CY2018Q4	us-gaap	Dividends Common Stock DividendsCommonStock	168148000	USD
CY2018Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.6110
CY2019Q1	us-gaap	Dividends Common Stock DividendsCommonStock	174935000	USD
CY2019Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.6110
CY2019Q2	us-gaap	Dividends Common Stock DividendsCommonStock	175242000	USD
CY2019Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.6110
CY2019Q3	us-gaap	Dividends Common Stock DividendsCommonStock	175389000	USD
CY2019Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.6110

Files In Submission

Name	View Source	Status
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0001020569-19-000223-index.html	Edgar Link	pending
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$IRM
IRON MOUNTAIN INC Stock $irm

2019 Q4 Form 10-Q Financial Statement

#000102056919000223 Filed on October 31, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$IRM IRON MOUNTAIN INC Stock $irm

2019 Q4 Form 10-Q Financial Statement

#000102056919000223 Filed on October 31, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$IRM
IRON MOUNTAIN INC Stock $irm