Quarterly Results of Operations (Detail) (USD $)	3 Months Ended																12 Months Ended
	Dec. 31, 2013		Sep. 30, 2013		Jun. 30, 2013		Mar. 31, 2013		Dec. 31, 2012		Sep. 30, 2012		Jun. 30, 2012		Mar. 31, 2012		Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Quarterly Financial Information Disclosure [Abstract]
Net sales	$ 864,827,000	[1]	$ 1,167,921,000	[1]	$ 880,029,000	[1]	$ 795,741,000	[1]	$ 858,803,000	[2]	$ 1,139,547,000	[2]	$ 821,611,000	[2]	$ 768,357,000	[2]	$ 3,708,518,000	$ 3,588,318,000	$ 3,509,227,000
Gross profit	119,984,000	[1]	187,825,000	[1]	128,160,000	[1]	111,273,000	[1]	109,414,000	[2]	178,771,000	[2]	115,329,000	[2]	114,045,000	[2]	547,242,000	517,559,000	518,590,000
Net income	23,276,000	[1]	77,175,000	[1]	59,529,000	[1]	25,433,000	[1]	29,359,000	[2]	78,657,000	[2]	10,580,000	[2]	32,750,000	[2]	185,413,000	151,346,000	193,173,000
Basic net income per share (in dollars per share)	$ 0.37	[1],[3]	$ 1.22	[1],[3]	$ 0.93	[1],[3]	$ 0.38	[1],[3]	$ 0.42	[2],[3]	$ 1.13	[2],[3]	$ 0.15	[2],[3]	$ 0.47	[2],[3]	$ 2.89	$ 2.18	$ 2.76
Diluted net income per share (in dollars per share)	$ 0.36	[1],[3]	$ 1.21	[1],[3]	$ 0.93	[1],[3]	$ 0.38	[1],[3]	$ 0.42	[2],[3]	$ 1.13	[2],[3]	$ 0.15	[2],[3]	$ 0.47	[2],[3]	$ 2.87	$ 2.17	$ 2.75
Dividends per share (in dollars per share)	$ 0.14	[1]	$ 0.14	[1]	$ 0.14	[1]	$ 0.14	[1]	$ 0.12	[2]	$ 0.12	[2]	$ 0.12	[2]	$ 0.12	[2]	$ 0.56	$ 0.48	$ 0.44
Rationalization charges	8,400,000		1,300,000		900,000		1,400,000		2,900,000		2,000,000		200,000		3,600,000		11,987,000	8,660,000	7,717,000
Plant start-up costs							800,000		2,100,000		1,400,000		1,900,000		1,000,000
Acquisition Related Costs	300,000		1,000,000				200,000				800,000		700,000
Loss on early extinguishment of debt							(2,100,000)						(38,700,000)				(2,068,000)	(38,704,000)	(976,000)
Charge included for the remeasurement of net assets							$ 3,000,000

[1] The first, second, third and fourth quarters of 2013 include rationalization charges of $1.4 million, $0.9 million, $1.3 million and $8.4 million, respectively. The first quarter of 2013 includes plant start-up costs of $0.8 million. The first, third and fourth quarters of 2013 include costs attributable to announced acquisitions of $0.2 million and $1.0 million and $0.3 million, respectively. The first quarter of 2013 includes a loss on early extinguishment of debt of $2.1 million and a charge of $3.0 million for the remeasurement of net assets in Venezuela due to a currency devaluation.

[2] The first, second, third and fourth quarters of 2012 include rationalization charges of $3.6 million, $0.2 million, $2.0 million and $2.9 million, respectively. The first, second, third and fourth quarters of 2012 include plant start-up costs of $1.0 million, $1.9 million, $1.4 million and $2.1 million, respectively. The second and third quarters of 2012 include costs attributable to announced acquisitions of $0.7 million and $0.8 million, respectively. The second quarter of 2012 includes a loss on early extinguishment of debt of $38.7 million.

[3] Net income per share data is computed independently for each of the periods presented. Accordingly, the sum of the quarterly earnings per share amounts may not equal the total for the year.