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Summary of Significant Accounting Policies and Basis of Presentation - Schedule of Computation of Basic and Diluted EPS For Continuing Operations (Detail) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 3 Months Ended 4 Months Ended 12 Months Ended
Dec. 30, 2017
Oct. 07, 2017
Jul. 15, 2017
Dec. 31, 2016
Oct. 08, 2016
Jul. 16, 2016
Apr. 22, 2017
Apr. 23, 2016
Dec. 30, 2017
Dec. 31, 2016
Jan. 02, 2016
Numerator:                      
(Loss) earnings from continuing operations $ 34,710 $ (123,452) $ 21,060 $ 12,806 $ 16,730 $ 17,560 $ 15,065 $ 9,960 $ (52,617) $ 57,056 $ 63,166
Adjustment for loss (earnings) attributable to participating securities                 908 (1,011) (1,098)
(Loss) earnings from continuing operations used in calculating earnings per share                 $ (51,709) $ 56,045 $ 62,068
Denominator:                      
Weighted average shares outstanding, including participating securities                 37,419 37,483 37,612
Adjustment for participating securities                 (646) (664) (654)
Shares used in calculating basic earnings per share                 36,773 36,819 36,958
Effect of dilutive stock options                   73 106
Shares used in calculating diluted earnings per share                 36,773 36,892 37,064
Basic (loss) earnings per share from continuing operations $ 0.94 $ (3.31) $ 0.56 $ 0.34 $ 0.45 $ 0.47 $ 0.40 $ 0.27 $ (1.41) $ 1.52 $ 1.68
Diluted (loss) earnings per share from continuing operations $ 0.94 $ (3.31) $ 0.56 $ 0.34 $ 0.45 $ 0.47 $ 0.40 $ 0.27 $ (1.41) $ 1.52 $ 1.67