Income Taxes - Components of Provision for Income Taxes (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
Components Of Income Tax Expense Benefit [Line Items]
Current, Federal									$ 17,744	$ 7,250	$ 25,795
Current, State									1,324	1,191	3,108
Current, Foreign									14,258	28,175	17,157
Total current									33,326	36,616	46,060
Deferred, Federal									8,656	12,477	(3,591)
Deferred, State									375	405	2,524
Deferred, Foreign									(80)	(122)	0
Deferred income taxes									8,951	12,760	(1,067)
Provision for income taxes	$ 9,263	$ 11,917	$ 9,366	$ 11,731	$ 8,253	$ 13,795	$ 13,082	$ 14,246	$ 42,277	$ 49,376	$ 44,993