Leases (Schedule Of Future Minimum Operating Lease Payments) (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Leases [Abstract]
Total rental expense	$ 12,500,000	$ 13,500,000	$ 11,600,000
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
2013	10,866,000
2014	9,943,000
2015	7,478,000
2016	5,479,000
2017	4,998,000
After 2017	19,790,000
Total operating lease payments	$ 58,554,000