Accumulated Other Comprehensive Income (Loss) - Reclassifications of Accumulated Other Comprehensive Income to Consolidated Statement of Comprehensive Income (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014		Sep. 30, 2013
Schedule Of Reclassification Of Accumulated Other Comprehensive Income Loss [Line Items]
(Losses) gains on derivatives qualifying as hedges, net of tax			$ (2,906)		$ (80)
Settlements/Curtailments			(32)		(110)
Prior service cost			3,489	[1]	3,295	[1]
Actuarial losses			(21,648)	[1]	(25,879)	[1]
(Losses) gains on pension and postretirement liability adjustments, net of tax	(3,951)	(5,126)	(12,716)		(15,346)
Other income (expense), net [Member] | Cross currency swap [Member]
Schedule Of Reclassification Of Accumulated Other Comprehensive Income Loss [Line Items]
(Losses) gains on derivatives qualifying as hedges			0		(333)
Cost of goods sold [Member] | Foreign currency contracts [Member]
Schedule Of Reclassification Of Accumulated Other Comprehensive Income Loss [Line Items]
(Losses) gains on derivatives qualifying as hedges			(3,723)		538
Interest expense [Member] | Interest rate swaps [Member]
Schedule Of Reclassification Of Accumulated Other Comprehensive Income Loss [Line Items]
(Losses) gains on derivatives qualifying as hedges			(207)		(137)
Provision for income taxes [Member]
Schedule Of Reclassification Of Accumulated Other Comprehensive Income Loss [Line Items]
Provision for income taxes for (Losses) gains on derivatives qualifying as hedges			1,024		(148)
Provision for income taxes for gains (Losses) on pension and postretirement liability adjustments			$ 5,475		$ 7,348

[1] The amortization of prior service cost and actuarial loss is included in the computation of net periodic benefit cost. Refer to Note 13 of our 2013 Form 10-K for additional information regarding net periodic benefit cost.