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Segment Information - Revenues by Product and Service Lines by Segment (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Segment Information [Line Items]
Revenues	$ 1,066,907	$ 1,060,823	$ 2,120,770	$ 2,103,281
North American Records and Information Management Business
Segment Information [Line Items]
Revenues	539,273	539,080	1,066,653	1,065,923
North American Data Management Business
Segment Information [Line Items]
Revenues	96,415	100,031	193,162	199,995
Western European Business
Segment Information [Line Items]
Revenues	127,327	133,440	256,080	267,515
Other International Business
Segment Information [Line Items]
Revenues	199,823	207,527	400,779	418,294
Global Data Center Business
Segment Information [Line Items]
Revenues	62,291	54,895	123,827	101,498
Corporate and Other Business
Segment Information [Line Items]
Revenues	41,778	25,850	80,269	50,056
Records Management
Segment Information [Line Items]
Revenues	750,782	746,321	1,484,178	1,486,816
Records Management | North American Records and Information Management Business
Segment Information [Line Items]
Revenues	442,785	441,401	870,152	876,403
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	109,369	113,925	218,076	227,684
Records Management | Other International Business
Segment Information [Line Items]
Revenues	172,433	179,194	345,410	360,524
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	26,195	11,801	50,540	22,205
Data Management
Segment Information [Line Items]
Revenues	144,430	150,437	291,678	302,530
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	93,152	97,768	187,141	195,362
Data Management | Western European Business
Segment Information [Line Items]
Revenues	16,908	19,393	36,794	39,612
Data Management | Other International Business
Segment Information [Line Items]
Revenues	18,787	19,227	38,014	39,705
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	15,583	14,049	29,729	27,851
Information Destruction
Segment Information [Line Items]
Revenues	109,404	109,170	221,087	212,437
Information Destruction | North American Records and Information Management Business
Segment Information [Line Items]
Revenues	96,488	97,679	196,501	189,520
Information Destruction | North American Data Management Business
Segment Information [Line Items]
Revenues	3,263	2,263	6,021	4,633
Information Destruction | Western European Business
Segment Information [Line Items]
Revenues	1,050	122	1,210	219
Information Destruction | Other International Business
Segment Information [Line Items]
Revenues	8,603	9,106	17,355	18,065
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	62,291	54,895	123,827	101,498
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	62,291	54,895	123,827	101,498
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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