Net Sales by Major Geographic Region (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended				9 Months Ended
	Sep. 29, 2012		Oct. 01, 2011		Sep. 29, 2012		Oct. 01, 2011
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$ 257,699	[1]	$ 218,720	[1]	$ 746,562	[1]	$ 612,147	[1]
United States and Canada
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	176,982		149,891		511,475		446,071
Asia
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	23,495		17,228		66,634		41,052
Europe and Middle East
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	42,289		41,628		123,165		95,248
Latin America
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	14,933		9,973		45,288		29,776
Total International
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$ 80,717		$ 68,829		$ 235,087		$ 166,076

[1] Non-operating expenses are not allocated to the operating segments. Non-operating expenses consist of interest expense and deferred financing amortization, foreign exchange gains and losses and other income and expense items outside of income from operations.