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Repurchase of Common Stock (Details) (USD $)
3 Months Ended
Mar. 30, 2013
Mar. 31, 2012
Repurchase of Common Stock [Abstract]    
Remaining Authorized Amount, Stock Repurchase Program $ 166,700,000  
Amount repurchased under Board approved share repurchase program 10,009,000 0
Amount repurchased in connection with the vesting of employee restricted stock grants 135,000 1,214,000
Total amount repurchased $ 10,144,000 $ 1,214,000