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Significant Acquisition Costs Significant Acquisition Costs by Segment (Details) - Recall Transaction and IODC Transaction [Member] - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Business Combination, Separately Recognized Transactions [Line Items]
Total Significant Acquisition Costs	$ 10,421	$ 19,977	$ 29,429	$ 40,548
North American Records and Information Management business
Business Combination, Separately Recognized Transactions [Line Items]
Total Significant Acquisition Costs	3,017	6,326	3,601	13,625
North American Data Management Business
Business Combination, Separately Recognized Transactions [Line Items]
Total Significant Acquisition Costs	351	938	351	1,683
Western European Business
Business Combination, Separately Recognized Transactions [Line Items]
Total Significant Acquisition Costs	1,427	2,131	3,579	5,347
Other International Business
Business Combination, Separately Recognized Transactions [Line Items]
Total Significant Acquisition Costs	896	1,937	1,433	3,588
Global Data Center Business
Business Combination, Separately Recognized Transactions [Line Items]
Total Significant Acquisition Costs	1,159	0	11,340	0
Corporate and Other
Business Combination, Separately Recognized Transactions [Line Items]
Total Significant Acquisition Costs	$ 3,571	$ 8,645	$ 9,125	$ 16,305

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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