Employee Benefit Plans (Schedule Of Amounts Not Yet Reflected In Net Periodic Benefit Cost And Included In Accumulated Other Comprehensive Income (Loss), Pre-Tax Basis) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Defined Benefit Pension Plans and Defined Benefit Postretirement Plans Disclosure [Abstract]
Prior service credit (cost)	$ 0	$ 0
Accumulated loss	(37,145)	(25,479)
Accumulated other comprehensive loss	(37,145)	(25,479)
Cumulative employer contributions in excess of net periodic benefit cost	16,492	18,978
Net amount recognized as an accrued benefit liability on the December 31 balance sheet	(20,653)	(6,501)
Net loss arising during period	(15,007)	15,285
Amortization of net loss	3,341	3,085
Total recognized in other comprehensive income	(11,666)	18,370
Total expense recognized in net periodic pension cost and other comprehensive income	$ (14,221)	$ 16,743