Income Taxes - Components of Income (Loss) Before 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
Income Loss From Operations Before Provision Benefit For Income Taxes [Line Items]
United States									$ 60,388	$ 78,593	$ 72,298
Outside United States									103,786	101,126	77,309
Income from continuing operations before income taxes	$ 44,062	$ 38,498	$ 39,719	$ 41,895	$ 41,112	$ 47,982	$ 46,251	$ 44,374	$ 164,174	$ 179,719	$ 149,607