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Stock Option Activity (Detail) - Stock Option - $ / shares
shares in Thousands
12 Months Ended
Dec. 30, 2017
Dec. 31, 2016
Jan. 02, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Options, Outstanding at beginning of year 1,846 4,353 6,191
Options, Exercised (1,773) (2,507) (1,838)
Options, Outstanding at end of year 73 1,846 4,353
Options, Exercisable at end of year 73 1,846 4,353
Weighted Average Exercise Price, Outstanding at beginning of year $ 10.89 $ 10.97 $ 10.88
Weighted Average Exercise Price, Exercised 10.89 11.02 10.67
Weighted Average Exercise Price, Outstanding at end of year $ 10.87 $ 10.89 $ 10.97