Geographic Data - Information Regarding Operations by Geographic Area (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2012	Sep. 29, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Oct. 01, 2011	Jul. 02, 2011	Apr. 02, 2011	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Revenues from External Customers and Long-Lived Assets [Line Items]
Total net sales	$ 253,179	$ 252,037	$ 247,077	$ 243,875	$ 247,308	$ 253,338	$ 245,541	$ 237,301	$ 996,168	$ 983,488	$ 894,359
Long-lived assets	101,349				97,822				101,349	97,822	87,093
North America [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total net sales									435,520	409,208	394,865
Long-lived assets	90,363				88,382				90,363	88,382	78,938
Europe, Middle East & Africa [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total net sales									322,970	342,578	305,659
Long-lived assets	7,522				5,965				7,522	5,965	6,566
Latin America [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total net sales									100,101	89,715	80,679
Long-lived assets	538				362				538	362	332
Asia [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total net sales									137,577	141,987	113,156
Long-lived assets	$ 2,926				$ 3,113				$ 2,926	$ 3,113	$ 1,257