Treasury Stock - Additional Information (Detail) (USD $)	0 Months Ended			6 Months Ended
	Feb. 15, 2013	Feb. 09, 2012	May 25, 2011	Jun. 28, 2013	Jun. 29, 2012
Equity, Class of Treasury Stock [Line Items]
Amount of common stock approved for repurchase	$ 35,000,000	$ 35,000,000	$ 35,000,000
Repurchase of common stock (in shares)				327,727	386,057
Repurchase of common stock				17,118,000	18,456,000
Remaining authorized amount for repurchase of common stock				38,893,000
Treasury stock reissued to settle restricted stock unit awards, stock options and purchases under Employee Stock Purchase Plan (in shares)				255,009	266,518
Treasury stock reissued to settle restricted stock unit awards, stock options and purchases under Employee Stock Purchase Plan				$ 4,845,000	$ 7,149,000