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Segment Information - Revenues by Product and Service Lines by Segment (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Segment Information [Line Items]
Revenues	$ 1,062,224	$ 1,060,991	$ 3,182,994	$ 3,164,272
North American Records and Information Management Business
Segment Information [Line Items]
Revenues	542,044	539,603	1,608,697	1,605,526
North American Data Management Business
Segment Information [Line Items]
Revenues	96,552	97,477	289,714	297,472
Western European Business
Segment Information [Line Items]
Revenues	121,437	126,354	377,517	393,869
Other International Business
Segment Information [Line Items]
Revenues	197,728	200,639	598,507	618,933
Global Data Center Business
Segment Information [Line Items]
Revenues	64,418	63,380	188,245	164,878
Corporate and Other Business
Segment Information [Line Items]
Revenues	40,045	33,538	120,314	83,594
Records Management
Segment Information [Line Items]
Revenues	749,604	741,099	2,233,782	2,227,915
Records Management | North American Records and Information Management Business
Segment Information [Line Items]
Revenues	452,336	441,102	1,322,488	1,317,505
Records Management | North American Data Management Business
Segment Information [Line Items]
Revenues	0	0	0	0
Records Management | Western European Business
Segment Information [Line Items]
Revenues	103,683	107,388	321,759	335,072
Records Management | Other International Business
Segment Information [Line Items]
Revenues	169,748	173,426	515,158	533,950
Records Management | Global Data Center Business
Segment Information [Line Items]
Revenues	0	0	0	0
Records Management | Corporate and Other Business
Segment Information [Line Items]
Revenues	23,837	19,183	74,377	41,388
Data Management
Segment Information [Line Items]
Revenues	145,659	146,727	437,337	449,257
Data Management | North American Records and Information Management Business
Segment Information [Line Items]
Revenues	0	0	0	0
Data Management | North American Data Management Business
Segment Information [Line Items]
Revenues	93,016	94,917	280,157	290,279
Data Management | Western European Business
Segment Information [Line Items]
Revenues	17,551	18,914	54,345	58,526
Data Management | Other International Business
Segment Information [Line Items]
Revenues	18,884	18,541	56,898	58,246
Data Management | Global Data Center Business
Segment Information [Line Items]
Revenues	0	0	0	0
Data Management | Corporate and Other Business
Segment Information [Line Items]
Revenues	16,208	14,355	45,937	42,206
Information Destruction
Segment Information [Line Items]
Revenues	102,543	109,785	323,630	322,222
Information Destruction | North American Records and Information Management Business
Segment Information [Line Items]
Revenues	89,708	98,501	286,209	288,021
Information Destruction | North American Data Management Business
Segment Information [Line Items]
Revenues	3,536	2,560	9,557	7,193
Information Destruction | Western European Business
Segment Information [Line Items]
Revenues	203	52	1,413	271
Information Destruction | Other International Business
Segment Information [Line Items]
Revenues	9,096	8,672	26,451	26,737
Information Destruction | Global Data Center Business
Segment Information [Line Items]
Revenues	0	0	0	0
Information Destruction | Corporate and Other Business
Segment Information [Line Items]
Revenues	0	0	0	0
Data Center
Segment Information [Line Items]
Revenues	64,418	63,380	188,245	164,878
Data Center | North American Records and Information Management Business
Segment Information [Line Items]
Revenues	0	0	0	0
Data Center | North American Data Management Business
Segment Information [Line Items]
Revenues	0	0	0	0
Data Center | Western European Business
Segment Information [Line Items]
Revenues	0	0	0	0
Data Center | Other International Business
Segment Information [Line Items]
Revenues	0	0	0	0
Data Center | Global Data Center Business
Segment Information [Line Items]
Revenues	64,418	63,380	188,245	164,878
Data Center | Corporate and Other Business
Segment Information [Line Items]
Revenues	$ 0	$ 0	$ 0	$ 0

X

- Definition

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130543-203045

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045

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+ References

No definition available.

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