Shareholders' Equity Details 1 (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Accumulated Other Comprehensive Income (Loss), Net of Tax	$ (35,036)	$ (97,461)	$ (86,938)
Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, before Reclassification Adjustments, Net of Tax	32,752
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax	(448)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax	19,850
Amounts Recognized From Accumulated Other Comprehensive Income (Loss), Net Of Tax	10,271
Other Comprehensive Income (Loss), Net of Tax	62,425
Currency Translation Adjustment, Net Of Tax [Member]
Accumulated Other Comprehensive Income (Loss), Net of Tax	77,915	56,012
Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, before Reclassification Adjustments, Net of Tax	0
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax	0
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax	21,903
Amounts Recognized From Accumulated Other Comprehensive Income (Loss), Net Of Tax	0
Other Comprehensive Income (Loss), Net of Tax	21,903
Net Unrealized Gain (Loss) on Cash Flow Hedging Arrangements, Net Of Tax [Member]
Accumulated Other Comprehensive Income (Loss), Net of Tax	(2,433)	(5,438)
Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, before Reclassification Adjustments, Net of Tax	0
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax	(448)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax	(43)
Amounts Recognized From Accumulated Other Comprehensive Income (Loss), Net Of Tax	3,496
Other Comprehensive Income (Loss), Net of Tax	3,005
Pension and Post-Retirement Benefit Related Items, Net Of Tax [Member]
Accumulated Other Comprehensive Income (Loss), Net of Tax	(110,518)	(148,035)
Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, before Reclassification Adjustments, Net of Tax	32,752
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax	0
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax	(2,010)
Amounts Recognized From Accumulated Other Comprehensive Income (Loss), Net Of Tax	6,775
Other Comprehensive Income (Loss), Net of Tax	$ 37,517