Restructuring (Calculation of Restructuring Charges) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Restructuring and Related Activities [Abstract]
Restructuring costs	$ 9,433	$ 1,114
Impairment of lease related assets (see Note 5)	6,940	0
Total restructuring and lease termination costs	16,373	1,114
Less: restructuring costs included in discontinued operations	(522)	(557)
Restructuring and lease termination costs from continuing operations	$ 15,851	$ 557

Disposal Group, Including Discontinued Operation, Restructuring Charges

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- Definition

Restructuring Charges and Lease Termination Costs

+ References

No definition available.

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- Definition

Restructuring Charges, Continuing and Discontinued Operations

+ References

No definition available.

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- Definition

The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 3

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16373-109275

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- Definition

The aggregate amount provided for estimated restructuring charges, remediation costs, and asset impairment loss during an accounting period. Generally, these items are either unusual or infrequent, but not both (in which case they would be extraordinary items).

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.3)

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

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