Leases - Other Supplemental Quantitative Disclosures (Detail) - USD ($) $ in Thousands	4 Months Ended
	Apr. 24, 2021	Apr. 18, 2020
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from financing leases	$ 54	$ 286
Operating cash flows from operating leases	18,348	23,299
Financing cash flows from financing leases	423	2,180
Right-of-use assets obtained in exchange for new financing lease liabilities		40
Right-of-use assets obtained in exchange for new operating lease liabilities	$ 34,554	$ 2,522
Financing leases, weighted-average remaining lease term	2 years 9 months 18 days
Operating leases, weighted-average remaining lease term	8 years 10 months 24 days
Financing leases, weighted-average incremental borrowing rate	3.50%
Operating leases, weighted-average incremental borrowing rate	3.90%