Employee Benefit Plans (Summary Of Pension Plans Funded Status) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Projected benefit obligation at prior valuation date	$ 125,147	$ 110,186
Service cost	509	504	406
Interest cost	4,509	5,162	5,366
Benefits paid	(5,904)	(5,248)
Actuarial loss	(10,588)	14,543
Projected benefit obligation at valuation date	113,673	125,147	110,186
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at prior valuation date	101,834	97,228
Actual return on plan assets	11,173	8,274
Employer contributions	69	1,580
Benefits paid	(5,904)	(5,248)
Fair value of plan assets at valuation date	107,172	101,834	97,228
Funded status and net amount recognized at valuation date	$ (6,501)	$ (23,313)