Business Segments and Geographic Information Schedule of Sales from External Customers and Long Lived Assets (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Revenues from External Customers and Long-Lived Assets [Line Items]
Total net sales	$ 2,147,767	$ 2,024,130	$ 1,954,258
Total long-lived assets — net	219,543	213,488	219,161
U.S.
Revenues from External Customers and Long-Lived Assets [Line Items]
Total net sales	1,068,758	983,791	963,137
Total long-lived assets — net	139,702	124,880	127,425
North America, Excluding United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total net sales	95,917	88,213	93,010
Total long-lived assets — net	814	901	1,239
Europe
Revenues from External Customers and Long-Lived Assets [Line Items]
Total net sales	527,975	521,491	479,744
Total long-lived assets — net	54,088	63,018	64,137
Asia [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total net sales	337,668	306,466	305,185
Total long-lived assets — net	24,912	24,590	26,320
Other Countries
Revenues from External Customers and Long-Lived Assets [Line Items]
Total net sales	117,449	124,169	113,182
Total long-lived assets — net	$ 27	$ 99	$ 40