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Share-Based Compensation - Stock Option Activity (Detail) - $ / shares
12 Months Ended
Dec. 29, 2017
Dec. 30, 2016
Jan. 01, 2016
Number of shares under option      
Beginning Balance (shares) 282,850 760,503 2,115,606
Exercised (shares) (59,000) (471,653) (1,320,103)
Canceled (shares) (5,000) (6,000) (35,000)
Ending Balance (shares) 218,850 282,850 760,503
Exercisable - Number of Shares (shares) 186,650 126,250 202,303
Weighted average exercise price per share      
Beginning Balance (usd per share) $ 25.64 $ 25.65 $ 26.41
Exercised (usd per share) 27.80 25.77 26.76
Canceled (usd per share) 28.09 15.78 29.63
Ending Balance (usd per share) 25.00 25.64 25.65
Exercisable - Weighted Average Exercise Price (usd per share) 24.33 22.61 22.66
Weighted average fair value      
Beginning Balance (usd per share) 7.55 7.84 8.65
Exercised (usd per share) 8.00 8.04 9.05
Canceled (usd per share) 8.46 5.53 11.43
Ending Balance (usd per share) 7.40 7.55 7.84
Exercisable - Weighted Average Fair Value (usd per share) $ 7.60 $ 7.86 $ 7.69