Employee Benefit Plans (Schedule Of Net Periodic Benefit Cost) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 1,281	$ 1,314	$ 3,335
Interest cost	1,544	1,578	3,454
Expected return on plan assets	(2,449)	(2,249)	(2,229)
Prior service cost	0	(117)	(117)
Recognized loss	1,279	1,569	685
Total	$ 1,655	$ 2,095	$ 5,128