Maturities of Lease Liabilities (Detail) - USD ($) $ in Thousands	Mar. 22, 2020	Dec. 29, 2019
2020	$ 33,683
2021	40,956
2022	38,068
2023	32,776
2024	31,228
Thereafter	96,570
Total future minimum rental commitments	273,281
Less – amounts representing interest	(37,063)
Total lease liabilities	236,218
2020	2,467
2021	2,775
2022	2,792
2023	2,815
2024	2,839
Thereafter	25,493
Total future minimum rental commitments	39,181
Less – amounts representing interest	(20,175)
Total principal payable on finance leases	$ 19,006	$ 19,657