Leases - Supplemental Cash Flows (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 30, 2021	Jan. 25, 2020
Leases [Abstract]
Cash paid for amounts included in the measurement of lease liabilities	$ 33,313	$ 30,888
Operating lease right-of-use assets obtained in exchange for operating lease liabilities	$ 27,510	$ 27,477