Retirement Plans And Postretirement Benefits (Recognized In Other Comprehensive Income Postretirement Benefit Plans) (Details) - Postretirement Benefit Costs [Member] - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
U.S. [Member]
Defined Benefit Plan Disclosure [Line Items]
Amortization of prior service cost	$ 0	$ 0	$ 0
Effect of exchange rates	0	0	0
Total recognized in other comprehensive income	0	0	0
Total recognized in net post retirement cost (benefit) and other comprehensive income	0	1,547	(913)
Foreign [Member]
Defined Benefit Plan Disclosure [Line Items]
Amortization of prior service cost	95	(180)	(193)
Effect of exchange rates	0	148	133
Total recognized in other comprehensive income	(95)	328	326
Total recognized in net post retirement cost (benefit) and other comprehensive income	$ (95)	$ 2,357	$ 22