Commitments And Contingencies Commitments And Contingencies (Summary Of Future Minimum Lease Payments Under Non-Cancelable Operating Leases) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014
Commitments and Contingencies [Abstract]
Operating Leases, Future Minimum Payments Due, Next Twelve Months	$ 9,025
Operating Leases, Future Minimum Payments, Due in Two Years	7,737
Operating Leases, Future Minimum Payments, Due in Three Years	5,412
Operating Leases, Future Minimum Payments, Due in Four Years	4,734
Operating Leases, Future Minimum Payments, Due in Five Years	3,251
Operating Leases, Future Minimum Payments, Due Thereafter	1,161
Operating Leases, Future Minimum Payments Due	$ 31,320