Basic and Diluted Earnings per Common Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	4 Months Ended
	Apr. 24, 2021	Apr. 18, 2020
Earnings Per Share [Abstract]
Net income (loss)	$ 71,655	$ (5,772)
Basic Earnings Per Common Share:
Basic weighted average shares outstanding for common stock	211,889	211,754
Basic earnings per common share	$ 0.34	$ (0.03)
Diluted Earnings Per Common Share:
Basic weighted average shares outstanding for common stock	211,889	211,754
Add: Shares of common stock assumed issued upon exercise of stock options and vesting of restricted stock	891
Diluted weighted average shares outstanding for common stock	212,780	211,754
Diluted earnings per common share	$ 0.34	$ (0.03)