Accumulated Other Comprehensive Loss - Additional Information (Detail) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net income	$ 59,529,000	$ 10,580,000	$ 84,962,000	$ 43,330,000
Income Tax Benefit (Expense)	69,000	(3,327,000)	(15,205,000)	(20,750,000)
Interest and other debt expense	15,445,000	54,732,000	32,862,000	70,322,000
Cost of goods sold	751,869,000	706,282,000	1,436,337,000	1,360,594,000
Foreign currency (losses) gains related to net investment hedges included in foreign currency translation component of accumulated other comprehensive loss	(4,800,000)		4,700,000
Foreign currency (losses) gains related to net investment hedges included in foreign currency translation component of accumulated other comprehensive loss, income tax benefit (provision)	1,800,000		(1,800,000)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Unrecognized Net Defined Benefit Plan Costs
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net income	(2,700,000)		(5,500,000)
Income Tax Benefit (Expense)	1,000,000		2,100,000
Reclassification out of Accumulated Other Comprehensive Income [Member] | Change in Fair Value of Derivatives
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net income	(1,200,000)		(2,700,000)
Income Tax Benefit (Expense)	400,000		1,000,000
Reclassification out of Accumulated Other Comprehensive Income [Member] | Change in Fair Value of Derivatives | Interest Rate Swap Agreements
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Interest and other debt expense	1,400,000		2,800,000
Reclassification out of Accumulated Other Comprehensive Income [Member] | Change in Fair Value of Derivatives | Natural gas swap agreements
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Cost of goods sold	$ (100,000)		$ (100,000)