Accumulated Other Comprehensive Income (Loss) - Summary of Amounts Reclassifications Out of Accumulated Other Comprehensive Income (Detail) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Tax benefit		$ (7,205)	$ (8,838)	$ (16,455)	$ (13,919)
Interest, net		(2,869)	(3,021)	(6,923)	(5,978)
Cost of sales		(372,902)	(432,522)	(756,911)	(846,940)
Defined Benefit Pension Plan Adjustments [Member] | Amounts Reclassified From Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Amortization of defined benefit pension actuarial losses	[1],[2]	(1,195)	(661)	(2,389)	(1,323)
Tax benefit	[1]	445	251	890	503
Income applicable to common stock	[1]	(750)	(410)	(1,499)	(820)
Cash Flow Hedge Adjustments [Member] | Amounts Reclassified From Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Tax benefit	[1]	2	3	4	5
Income applicable to common stock	[1]		(1)	(1)	(4)
Total before tax	[1]	(2)	(4)	(5)	(9)
Cash Flow Hedge Adjustments [Member] | Interest rate contracts [Member] | Amounts Reclassified From Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Interest, net	[1]	(5)	(7)	(10)	(14)
Cash Flow Hedge Adjustments [Member] | Foreign exchange contracts [Member] | Amounts Reclassified From Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Cost of sales	[1]	3	3	5	5
Accumulated Other Comprehensive Income (Loss) [Member]
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Income applicable to common stock	[1]	$ (750)	$ (411)	$ (1,500)	$ (824)

[1] Amounts in parentheses denote expense to statement of income.

[2] This component of accumulated other comprehensive income is included in the computation of net periodic benefit cost (see Note 8 for additional details).