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Treasury Stock - Additional Information (Detail) (USD $)
 0 Months Ended 9 Months Ended
Feb. 15, 2013
Feb. 09, 2012
May 25, 2011
Sep. 27, 2013
Sep. 28, 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)       388,604 404,948
Repurchase of common stock       21,211,000 19,437,000
Remaining authorized amount for repurchase of common stock       34,800,000  
Treasury stock reissued to settle restricted stock unit awards, stock options and purchases under Employee Stock Purchase Plan (in shares)       282,010 292,316
Treasury stock reissued to settle restricted stock unit awards, stock options and purchases under Employee Stock Purchase Plan       $ 5,711,000 $ 7,902,000