Geographic Data - Information Regarding Operations by Geographic Area (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Revenues from External Customers and Long-Lived Assets [Line Items]
Total net sales	$ 1,038,159	$ 996,168	$ 983,488
Long-lived assets	109,588	101,349	97,822
North America [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total net sales	459,908	435,520	409,208
Long-lived assets	97,768	90,363	88,382
Europe, Middle East & Africa [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total net sales	326,470	322,970	342,578
Long-lived assets	8,149	7,522	5,965
Latin America [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total net sales	99,041	100,101	89,715
Long-lived assets	502	538	362
Asia Pacific [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total net sales	152,740	137,577	141,987
Long-lived assets	$ 3,169	$ 2,926	$ 3,113