Employee Benefits (Schedule Of Change In Benefit Obligation) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
U. S. Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Benefit obligation, beginning of year	$ 67,010	$ 57,946
Benefit obligation assumed with acquisition	0	0
Service cost	29	334	$ 1,091
Interest cost	2,015	2,322	2,047
Actuarial (gain) loss	(2,330)	9,165
Benefits paid	(4,532)	(2,757)
Foreign exchange effects	0	0
Benefit obligation, end of year	62,192	67,010	57,946
Non-U. S. Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Benefit obligation, beginning of year	122,701	0
Benefit obligation assumed with acquisition	0	117,970
Service cost	1,661	602
Interest cost	2,110	1,366
Actuarial (gain) loss	(17,310)	15,425
Benefits paid	(2,139)	(898)
Foreign exchange effects	(12,202)	(11,764)
Benefit obligation, end of year	94,821	122,701	0
Post-Retirement Healthcare Benefit Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Benefit obligation, beginning of year	20,177	19,958
Service cost	22	22	30
Interest cost	571	733	623
Actuarial (gain) loss	(1,848)	989
Benefits paid	(1,107)	(1,525)
Benefit obligation, end of year	$ 17,815	$ 20,177	$ 19,958