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Lease Arrangements (Summary Of Future Minimum Rental Payments And Sublease Rentals To Be Received Under Operating Leases) (Details)
$ in Thousands
Dec. 31, 2015
USD ($)
Lease Arrangements [Abstract]  
2016 $ 21,679
2017 15,815
2018 12,420
2019 8,697
2020 6,189
Thereafter 14,294
Total minimum rental payments $ 79,094