Accumulated Other Comprehensive Income (Loss) (Schedule Of After-Tax Changes In Accumulated Other Comprehensive Income (Loss)) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning of Period	$ (208,719)	$ (150,195)
Other comprehensive income (loss) before reclassifications	12,237	(35,335)
Amounts reclassified from accumulated other comprehensive income (loss)	3,086	2,542
Net other comprehensive income (loss) - current period	15,323	(32,793)
End of Period	(193,396)	(182,988)
Foreign Currency Translation
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning of Period	(112,807)	(47,270)
Other comprehensive income (loss) before reclassifications	12,579	(34,653)
Amounts reclassified from accumulated other comprehensive income (loss)	0	0
Net other comprehensive income (loss) - current period	12,579	(34,653)
End of Period	(100,228)	(81,923)
Gain (Loss) on Derivative Financial Instruments
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning of Period	(373)	656
Other comprehensive income (loss) before reclassifications	(342)	(682)
Amounts reclassified from accumulated other comprehensive income (loss)	604	20
Net other comprehensive income (loss) - current period	262	(662)
End of Period	(111)	(6)
Pension & Other Post-retirement Benefit Adjust.
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning of Period	(95,539)	(103,581)
Other comprehensive income (loss) before reclassifications	0	0
Amounts reclassified from accumulated other comprehensive income (loss)	2,482	2,522
Net other comprehensive income (loss) - current period	2,482	2,522
End of Period	$ (93,057)	$ (101,059)