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Commitments And Contingencies (Schedule Of Future Minimum Rental Commitments Under Non - Cancelable Leases) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011
Commitments And Contingencies [Abstract]
Operating leases, future minimum rental commitments, 2012	$ 103,177
Operating leases, future minimum rental commitments, 2013	98,167
Operating leases, future minimum rental commitments, 2014	87,513
Operating leases, future minimum rental commitments, 2015	79,096
Operating leases, future minimum rental commitments, 2016	72,323
Operating leases, future minimum rental commitments, Thereafter	198,581
Operating leases, future minimum rental commitments, total	638,857
Capital leases, future minimum rental commitments, 2012	701
Capital leases, future minimum rental commitments, 2013	1,309
Capital leases, future minimum rental commitments, 2014	1,163
Capital leases, future minimum rental commitments, 2015	1,080
Capital leases, future minimum rental commitments, 2016	1,078
Capital leases, future minimum rental commitments, Thereafter	5,616
Capital leases, future minimum rental commitments, total	10,947
Less amounts representing interest	(1,110)
Capital lease obligations, included in short-term debt and in other long-term debt	$ 9,837

X

- Definition

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.

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