Operating Leases Operating Leases (Tables) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013
Operating Leased Assets [Line Items]
Future Minimum Sublease Rentals, Sale Leaseback Transactions, Next Twelve Months	$ 32,035
Future Minimum Sublease Rentals, Sale Leaseback Transactions, within Two Years	32,613
Future Minimum Sublease Rentals, Sale Leaseback Transactions, within Three Years	31,873
Future Minimum Sublease Rentals, Sale Leaseback Transactions, within Four Years	29,087
Future Minimum Sublease Rentals, Sale Leaseback Transactions, within Five Years	25,129
Future Minimum Sublease Rentals, Sale Leaseback Transactions, Thereafter	86,149
Future Minimum Sublease Rentals, Sale Leaseback Transactions	$ 236,886

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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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-Topic 840

-SubTopic 20

-Section 50

-Paragraph 2

-Subparagraph (a)

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Amount of required minimum rental payments maturing in the fifth fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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Amount of required minimum rental payments maturing in the forth fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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Amount of required minimum rental payments maturing in the third fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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Amount of required minimum rental payments maturing in the second fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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Amount of required minimum rental payments maturing after the fifth fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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