Leases (Schedule Of Future Minimum Rental Payments For Operating Leases) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012
Leases [Abstract]
Minimum payments required, 2013	$ 6,794
Minimum payments required, 2014	6,352
Minimum payments required, 2015	3,771
Minimum payments required, 2016	1,744
Minimum payments required, 2017	1,308
Minimum payments required, Thereafter	4,883
Minimum payments required, Total	$ 24,852