Changes in Accumulated Other Comprehensive Income by Component (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013		Mar. 31, 2012
Changes in Accumulated Other Comprehensive Income by Component [Roll Forward]
Accumulated other comprehensive income (loss)	$ (66,752)
Unrealized gain (loss) on hedging activities, net of tax	427	[1]	236	[1]
Defined benefit pension and other postretirement benefits, net of tax	2,410	[2]	1,205	[2]
Foreign currency translation adjustments, net of tax	(14,505)	[3]	14,709	[3]
Net current-period other comprehensive income	(11,668)		16,150
Accumulated other comprehensive income (loss)	(78,420)
Gains and Losses on Cash Flow Hedges [Member]
Changes in Accumulated Other Comprehensive Income by Component [Roll Forward]
Accumulated other comprehensive income (loss)	(432)
Unrealized gain (loss) on hedging activities, net of tax	427	[1]
Accumulated other comprehensive income (loss)	(5)
Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives Included in Net Income, before Tax	85
Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives Included in Net Income, Tax Benefit	13
Pension and Other Postretirement Benefit Items [Member]
Changes in Accumulated Other Comprehensive Income by Component [Roll Forward]
Accumulated other comprehensive income (loss)	(146,441)
Defined benefit pension and other postretirement benefits, net of tax	2,410	[2]
Accumulated other comprehensive income (loss)	(144,031)
Amortization of prior-service credits	192	[4]
Amortization of actuarial losses	(4,365)	[4]
Curtailment	(199)	[4]
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, before Tax	(4,372)
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Tax Benefit	1,574
Foreign Currency Items [Member]
Changes in Accumulated Other Comprehensive Income by Component [Roll Forward]
Accumulated other comprehensive income (loss)	80,121
Foreign currency translation adjustments, net of tax	(14,505)	[3]
Accumulated other comprehensive income (loss)	65,616
Interest Rate Contracts [Member] | Interest Expense [Member] | Gains and Losses on Cash Flow Hedges [Member]
Changes in Accumulated Other Comprehensive Income by Component [Roll Forward]
Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives Included in Net Income, before Tax	(199)
Foreign Exchange Contracts [Member] | Sales [Member] | Gains and Losses on Cash Flow Hedges [Member]
Changes in Accumulated Other Comprehensive Income by Component [Roll Forward]
Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives Included in Net Income, before Tax	284
Before Reclassification [Member]
Changes in Accumulated Other Comprehensive Income by Component [Roll Forward]
Net current-period other comprehensive income	(14,368)
Before Reclassification [Member] | Gains and Losses on Cash Flow Hedges [Member]
Changes in Accumulated Other Comprehensive Income by Component [Roll Forward]
Unrealized gain (loss) on hedging activities, net of tax	525
Before Reclassification [Member] | Pension and Other Postretirement Benefit Items [Member]
Changes in Accumulated Other Comprehensive Income by Component [Roll Forward]
Defined benefit pension and other postretirement benefits, net of tax	(388)
Before Reclassification [Member] | Foreign Currency Items [Member]
Changes in Accumulated Other Comprehensive Income by Component [Roll Forward]
Foreign currency translation adjustments, net of tax	(14,505)
Reclassification [Member]
Changes in Accumulated Other Comprehensive Income by Component [Roll Forward]
Net current-period other comprehensive income	2,700
Reclassification [Member] | Gains and Losses on Cash Flow Hedges [Member]
Changes in Accumulated Other Comprehensive Income by Component [Roll Forward]
Unrealized gain (loss) on hedging activities, net of tax	(98)
Reclassification [Member] | Pension and Other Postretirement Benefit Items [Member]
Changes in Accumulated Other Comprehensive Income by Component [Roll Forward]
Defined benefit pension and other postretirement benefits, net of tax	2,798
Reclassification [Member] | Foreign Currency Items [Member]
Changes in Accumulated Other Comprehensive Income by Component [Roll Forward]
Foreign currency translation adjustments, net of tax	$ 0

[1] Net of tax of $188 and $84 for the three months ended March 31, 2013 and 2012, respectively.

[2] Net of tax of $2,838 and $1,017 for the three months ended March 31, 2013 and 2012, respectively.

[3] Net of tax of $(101) and $717 for the three months ended March 31, 2013 and 2012, respectively.

[4] These accumulated other comprehensive income components are included within the computation of net periodic pension cost. See Note 10.