Basic and Diluted Earnings per Common Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended						4 Months Ended		12 Months Ended
	Jan. 01, 2022	Oct. 09, 2021	Jul. 17, 2021	Jan. 02, 2021	Oct. 03, 2020	Jul. 11, 2020	Apr. 24, 2021	Apr. 18, 2020	Jan. 01, 2022	Jan. 02, 2021	Dec. 28, 2019
Earnings Per Share [Abstract]
Net income	$ 39,322	$ 38,852	$ 56,358	$ 55,824	$ 44,347	$ 57,919	$ 71,655	$ (5,772)	$ 206,187	$ 152,318	$ 164,538
Basic Earnings Per Common Share:
Basic weighted average shares outstanding per common share									211,840	211,782	211,606
Basic earnings per common share	$ 0.19	$ 0.18	$ 0.27	$ 0.26	$ 0.21	$ 0.27	$ 0.34	$ (0.03)	$ 0.97	$ 0.72	$ 0.78
Diluted Earnings Per Common Share:
Basic weighted average shares outstanding per common share									211,840	211,782	211,606
Add: Shares of common stock assumed issued upon exercise of stock options, vesting of performance-contingent restricted stock and deferred stock									1,193	563	368
Diluted weighted average shares outstanding per common share									213,033	212,345	211,974
Diluted earnings per common share	$ 0.18	$ 0.18	$ 0.26	$ 0.26	$ 0.21	$ 0.27	$ 0.34	$ (0.03)	$ 0.97	$ 0.72	$ 0.78