Basic and Diluted Earnings per Common Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	4 Months Ended
	Apr. 18, 2020	Apr. 20, 2019
Earnings Per Share [Abstract]
Net (loss) income	$ (5,772)	$ 65,866
Basic (Loss) Earnings Per Common Share:
Basic weighted average shares outstanding for common stock	211,754	211,388
Basic (loss) earnings per common share	$ (0.03)	$ 0.31
Diluted (Loss) Earnings Per Common Share:
Basic weighted average shares outstanding for common stock	211,754	211,388
Add: Shares of common stock assumed issued upon exercise of stock options and vesting of restricted stock		496
Diluted weighted average shares outstanding for common stock	211,754	211,884
Diluted (loss) earnings per common share	$ (0.03)	$ 0.31