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Earnings per Share - Additional Information (Details) - shares
12 Months Ended
Jan. 02, 2016
Jan. 03, 2015
Dec. 28, 2013
Stock option awards      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Amount of antidilutive securities excluded from computation of EPS     74,300
Restricted stock unit awards      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Amount of antidilutive securities excluded from computation of EPS 23,100 33,000 20,400