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Stockholders' Equity - Summary of Common Stock Repurchases (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 29, 2013
Sep. 30, 2012
Sep. 29, 2013
Sep. 30, 2012
Equity [Abstract]        
Dollar value of shares repurchased $ 41,207 $ 50,062 $ 163,487 $ 226,247
Number of shares repurchased 5,389 6,611 22,787 29,131