Components of Income Tax Expense (Benefit) (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 28, 2019	Dec. 29, 2018	Dec. 30, 2017
Income Tax Disclosure [Abstract]
Current Taxes: Federal	$ 23,397	$ 11,642	$ 53,076
Current Taxes: State	5,539	6,702	7,403
Current Taxes: Total	28,936	18,344	60,479
Deferred Taxes: Federal	17,335	21,762	(59,385)
Deferred Taxes: State	1,274	(105)	(1,921)
Deferred Income Taxes, Total	18,609	21,657	(61,306)
Income tax expense (benefit)	$ 47,545	$ 40,001	$ (827)