Accumulated Other Comprehensive Income (Loss) (Details 1) (Reclassification Out of Accumulated Other Comprehensive Income [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Gains and losses on cash flow hedges:
Total reclassifications for the period	$ (872)	$ (584)
Net Periodic Benefit Cost [Member]
AOCI Components
Amortization of defined benefit pension actuarial losses, before tax	(1,377)	(942)
Tax (expense) or benefit [Member]
AOCI Components
Amortization of defined benefit pension actuarial losses, Tax (expense) or benefit	514	360
Gains and losses on cash flow hedges:
Gains and losses on cash flow hedges, Tax (expense) or benefit	4
Total before tax [Member]
Gains and losses on cash flow hedges:
Gains and losses on cash flow hedges, before tax	(13)	(2)
Net of tax [Member]
AOCI Components
Amortization of defined benefit pension actuarial losses, Net of tax	(863)	(582)
Gains and losses on cash flow hedges:
Gains and losses on cash flow hedges, Net of tax	(9)	(2)
Interest rate contracts [Member] | Interest, net [Member]
Gains and losses on cash flow hedges:
Gains and losses on cash flow hedges, before tax	(10)	(2)
Foreign exchange contracts [Member] | Cost of sales [Member]
Gains and losses on cash flow hedges:
Gains and losses on cash flow hedges, before tax	$ (3)