Basic and Diluted Earnings per Common Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 11, 2020	Jul. 13, 2019	Jul. 11, 2020	Jul. 13, 2019
Earnings Per Share [Abstract]
Net income	$ 57,919	$ 53,095	$ 52,147	$ 118,961
Basic Earnings Per Common Share:
Basic weighted average shares outstanding for common stock	211,780	211,685	211,766	211,517
Basic earnings per common share	$ 0.27	$ 0.25	$ 0.25	$ 0.56
Diluted Earnings Per Common Share:
Basic weighted average shares outstanding for common stock	211,780	211,685	211,766	211,517
Add: Shares of common stock assumed issued upon exercise of stock options and vesting of restricted stock	504	272	426	407
Diluted weighted average shares outstanding for common stock	212,284	211,957	212,192	211,924
Diluted earnings per common share	$ 0.27	$ 0.25	$ 0.25	$ 0.56