Pension And Postretirement Benefits (Summary Of Benefit Obligations, Fair Value Of Plan Assets And Funded Status) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Defined Benefit Plan Disclosure [Line Items]
Change in plan assets, Fair value of plan assets at end of year	$ 874,590	$ 870,692
Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Change in benefit obligation Beginning of year	934,349	906,264
Change in benefit obligation, Service cost	4,923	6,383	13,503
Change in benefit obligation, Interest cost	40,935	36,845	37,653
Change in benefit obligation, Plan participants' contributions	739	1,291
Change in benefit obligation, Amendments	0	264
Change in benefit obligation, Actuarial loss	192,715	(24,402)
Change in benefit obligation, Settlement	0	0
Change in benefits paid	(41,704)	(36,788)
Change in benefit obligation, Foreign currency exchange impact	(38,136)	7,509
Change in benefit obligation, Acquisition/divestitures/curtailment	0	37,681
Change in benefit obligation, Adjustment for expenses/tax contained in service cost	(652)	(698)
Change in benefit obligation at end of year	1,093,169	934,349	906,264
Change in plan assets, Fair value of plan assets at beginning of year	870,692	735,580
Change in plan assets, Actual return on plan assets	54,669	108,016
Change in plan assets, Foreign currency exchange impact	(33,232)	4,235
Change in plan assets, Employer contributions	24,467	14,703
Change in plan assets, Acquisition/transferred asset	(1,041)	(1,218)
Change in plan assets, Plan participants' contributions	739	1,291
Change in plan assets, Settlement	0	0
Change in plan assets, Fair value of plan assets at end of year	874,590	870,692	735,580
Change in plan assets, Funded status	(218,579)	(63,657)
Postretirement Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Change in benefit obligation Beginning of year	10,967	12,620
Change in benefit obligation, Service cost	85	90	108
Change in benefit obligation, Interest cost	385	372	498
Change in benefit obligation, Amendments	34	0
Change in benefit obligation, Actuarial loss	(1,802)	(864)
Change in benefits paid	(1,044)	(1,226)
Change in benefit obligation, Foreign currency exchange impact	(33)	(25)
Change in benefit obligation at end of year	8,592	10,967	12,620
Change in plan assets, Funded status	$ (8,592)	$ (10,967)