Leases (Future Min Schedule) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Capital Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
2015	$ 2,613
2016	2,146
2017	1,901
2018	1,594
2019	1,388
Thereafter	11,361
Total minimum rentals	21,003
Less amounts representing interest at rates ranging from 2.7% to 11.8%	5,797
Capital lease obligations	15,206us-gaap_CapitalLeaseObligations	10,850us-gaap_CapitalLeaseObligations
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
2015	53,007
2016	51,687
2017	50,260
2018	47,978
2019	46,880
Thereafter	356,337
Total minimum rentals	$ 606,149

Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date.

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 16

-Article 7

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6455398&loc=d3e45280-112737