Leases (Future Min Schedule) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Leases
Capital Leases, Future Minimum Payments Due, Current	$ 2,040
Capital Leases, Future Minimum Payments Due in Two Years	1,673
Capital Leases, Future Minimum Payments Due in Three Years	1,404
Capital Leases, Future Minimum Payments Due in Four Years	1,184
Capital Leases, Future Minimum Payments Due in Five Years	1,000
Capital Leases, Future Minimum Payments Due Thereafter	7,003
Total minimum rentals	14,304
Less amounts representing interest	3,454
Capital Lease Obligations, Total	10,850	11,982
Operating Leases, Future Minimum Payments Due, Current	47,704
Operating Leases, Future Minimum Payments, Due in Two Years	46,557
Operating Leases, Future Minimum Payments, Due in Three Years	45,772
Operating Leases, Future Minimum Payments, Due in Four Years	45,174
Operating Leases, Future Minimum Payments, Due in Five Years	43,718
Operating Leases, Future Minimum Payments, Due Thereafter	354,087
Total minimum rentals	$ 583,012