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Significant Acquisition Costs - Significant Acquisition Costs by Segment (Details) - Recall Transaction and IODC Transaction - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Business Combination, Separately Recognized Transactions [Line Items]
Total Significant Acquisition Costs	$ 1,901	$ 10,421	$ 4,647	$ 29,429
North American Records and Information Management Business
Business Combination, Separately Recognized Transactions [Line Items]
Total Significant Acquisition Costs	0	3,017	378	3,601
North American Data Management Business
Business Combination, Separately Recognized Transactions [Line Items]
Total Significant Acquisition Costs	0	351	0	351
Western European Business
Business Combination, Separately Recognized Transactions [Line Items]
Total Significant Acquisition Costs	81	1,427	81	3,579
Other International Business
Business Combination, Separately Recognized Transactions [Line Items]
Total Significant Acquisition Costs	951	896	1,453	1,433
Global Data Center Business
Business Combination, Separately Recognized Transactions [Line Items]
Total Significant Acquisition Costs	124	1,159	267	11,340
Corporate and Other Business
Business Combination, Separately Recognized Transactions [Line Items]
Total Significant Acquisition Costs	$ 745	$ 3,571	$ 2,468	$ 9,125

X

- Definition

The expenses and losses recorded for each transaction with the acquiree that was recognized separately from the acquisition of assets and assumptions of liabilities in the business combination.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (e)(3)
-URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463

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- Definition

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+ References

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