Property and Equipment and Leases Future Minimum Lease Payments for Capital and Operating Leases (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014
Capital Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
2015	$ 1,996
2016	1,612
2017	8,295
2018	24
2019	25
Thereafter	143
Total minimum payments	12,095
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
2015	30,570
2016	23,124
2017	18,520
2018	14,912
2019	11,325
Thereafter	121,469
Total minimum payments	219,920
Total Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
2015	32,566
2016	24,736
2017	26,815
2018	14,936
2019	11,350
Thereafter	121,612
Total minimum payments	$ 232,015

Total Capital and Operating Leases, Future Minimum Payments, Due in Five Years

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Total Capital and Operating Leases, Future Minimum Payments, Due in Four Years

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Amount of minimum lease payments for capital leases.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

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-Paragraph 2

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