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Stock-Based Compensation - Summary of Stock Option Activity (Detail) - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
Dec. 31, 2016
Jan. 02, 2016
Jan. 03, 2015
Dec. 28, 2013
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]        
Shares Under Options, Outstanding, Beginning balance 308,793 494,483 586,766  
Shares Under Options, Exercisable 308,793 494,483 586,766  
Shares Under Options, Exercised (107,338) (185,627) (88,152)  
Shares Under Options, Cancelled/Forfeited (938) (63) (4,131)  
Shares Under Options, Outstanding, Ending balance 200,517 308,793 494,483 586,766
Shares Under Options, Exercisable 200,517 308,793 494,483 586,766
Weighted Average Exercise Price, Options outstanding, Beginning balance $ 21.15 $ 20.61 $ 19.30  
Weighted Average Exercise Price, Exercisable 21.15 20.61 19.30  
Weighted Average Exercise Price, Exercised 23.46 19.72 12.68  
Weighted Average Exercise Price, Cancelled/Forfeited 14.36 11.50 3.25  
Weighted Average Exercise Price, Options outstanding, Ending balance 19.94 21.15 20.61 $ 19.30
Weighted Average Exercise Price, Exercisable $ 19.94 $ 21.15 $ 20.61 $ 19.30
Weighted Average Remaining Contractual Life Years, Options outstanding 1 year 7 months 24 days 2 years 5 months 16 days 3 years 3 months 18 days 4 years 4 days
Weighted Average Remaining Contractual Life Years, Exercisable 1 year 7 months 24 days 2 years 5 months 16 days 3 years 3 months 18 days 4 years 4 days
Aggregate Intrinsic Value, Options outstanding, Beginning balance $ 773 $ 2,772 $ 2,965  
Aggregate Intrinsic Value, Exercisable 773 2,772 2,965  
Aggregate Intrinsic Value, Exercised 1,043 1,543 869  
Aggregate Intrinsic Value, Options outstanding, Ending balance 3,929 773 2,772 $ 2,965
Aggregate Intrinsic Value, Exercisable $ 3,929 $ 773 $ 2,772 $ 2,965