Summary of Significant Accounting Policies (Details 4) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Disposition and impairment of long-lived assets by segment
Gain (loss) on disposal/write-down of property, plant and equipment (excluding real estate)	$ (1,065)us-gaap_GainLossOnDispositionOfAssets	$ (430)us-gaap_GainLossOnDispositionOfAssets	$ (4,661)us-gaap_GainLossOnDispositionOfAssets
Gain on sale of real estate	10,512us-gaap_ProceedsFromSaleOfRealEstate	1,847us-gaap_ProceedsFromSaleOfRealEstate	261us-gaap_ProceedsFromSaleOfRealEstate
Tax effect on gain on sale of real estate	2,205	430	55
Gain on sale of real estate, net of tax	8,307	1,417	206
Emerging Businesses
Disposition and impairment of long-lived assets by segment
Write-down of certain facilities			1,100
North American Records and Information Management Business
Disposition and impairment of long-lived assets by segment
Gains (loss) on the retirement of leased vehicles accounted for as a capital lease		2,500	3,500
Write-down of certain facilities		1,700	700
Western European Business
Disposition and impairment of long-lived assets by segment
Write-down of certain facilities		600	2,500
Other International Business
Disposition and impairment of long-lived assets by segment
Write-down of certain facilities		300	3,800
Corporate and Other Business
Disposition and impairment of long-lived assets by segment
Write-down of certain facilities		$ 300

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Amount of gain (loss) on the retirement of leased vehicles accounted for as a capital lease.

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Represents write-down of certain facilities of business segments.

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- Definition

Amount of gain (loss) on sale or disposal of property, plant and equipment assets, excluding oil and gas property and timber property.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-Section 50

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=6391110&loc=d3e2941-110230

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-Name Accounting Standards Codification

-Topic 205

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (b)

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- Definition

This element represents the applicable amount of income taxes or benefit realized on the gain (loss) on sale of properties during the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 15

-Paragraph a

-Subparagraph 1(ii)

-Article 3

Reference 2: http://www.xbrl.org/2003/role/presentationRef

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-Name Accounting Standards Codification

-Topic 974

-SubTopic 10

-Section S99

-Paragraph 1

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This element represents the amount of gain (loss) on sale of properties during the reporting period net of the applicable income taxes realized.

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- Definition

Cash received for the sale of real estate that is not part of an investing activity during the current period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

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