Operating Leases Operating Leases (Tables) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014
Operating Leased Assets [Line Items]
Future Minimum Sublease Rentals, Sale Leaseback Transactions, Next Twelve Months	$ 36,797
Future Minimum Sublease Rentals, Sale Leaseback Transactions, within Two Years	49,049
Future Minimum Sublease Rentals, Sale Leaseback Transactions, within Three Years	34,290
Future Minimum Sublease Rentals, Sale Leaseback Transactions, within Four Years	30,862
Future Minimum Sublease Rentals, Sale Leaseback Transactions, within Five Years	27,880
Future Minimum Sublease Rentals, Sale Leaseback Transactions, Thereafter	78,895
Future Minimum Sublease Rentals, Sale Leaseback Transactions	$ 257,773

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Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 10

-Section 55

-Paragraph 40

-Subparagraph (Note 3)

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-Publisher FASB

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-SubTopic 20

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-Paragraph 2

-Subparagraph (a)

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