Long-Term Debt - Narrative (Details)			12 Months Ended
	Nov. 07, 2019 USD ($)	Nov. 15, 2016	Jan. 30, 2022 USD ($)	Jan. 31, 2021 USD ($)	Jan. 26, 2020 USD ($)
Line of Credit Facility [Line Items]
Borrowings under line of credit			$ 20,000,000	$ 0	$ 201,000,000
Write-off of deferred financing cost and debt discount			0	$ 0	$ 514,000
Minimum
Line of Credit Facility [Line Items]
Interest coverage ratio		3.50
Total leverage ratio following a material acquisition		4.00
United States of America, Dollars
Line of Credit Facility [Line Items]
Description of variable rate basis		(1) the Base Rate (as defined below) plus a margin ranging from 0.25% to 1.25% depending upon the Company’s consolidated leverage ratio or (2) LIBOR (determined with respect to deposits in U.S. Dollars) for an interest period to be selected by the Company plus a margin ranging from 1.25% to 2.25% depending upon the Company's consolidated leverage ratio (such margin, the "Applicable Margin").
Base Rate
Line of Credit Facility [Line Items]
Description of variable rate basis		the highest of (a) the prime rate of the administrative agent, (b) ½ of 1% above the federal funds effective rate published by the Federal Reserve Bank of New York and (c) one-month LIBOR (determined with respect to deposits in U.S. Dollars) plus 1.00%.
Base Rate | Minimum
Line of Credit Facility [Line Items]
Basis spread on variable rate	0.25%
Base Rate | Maximum
Line of Credit Facility [Line Items]
Basis spread on variable rate	1.25%
Federal Funds | Amended And Restated Credit Agreement Credit Agreement
Line of Credit Facility [Line Items]
Basis spread on variable rate	0.50%
LIBOR
Line of Credit Facility [Line Items]
Basis spread on variable rate	1.00%
LIBOR | Minimum
Line of Credit Facility [Line Items]
Basis spread on variable rate	1.25%
LIBOR | Maximum
Line of Credit Facility [Line Items]
Basis spread on variable rate	2.25%
Revolving loans
Line of Credit Facility [Line Items]
Facilities, maximum borrowing capacity	$ 600,000,000
Initial commitment fee, percentage	0.20%
Long-term Debt, Percentage Bearing Fixed Interest, Amount			$ 150,000,000
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate			1.9775%
Debt Instrument, LIBOR Portion Of Fixed Rate			0.7275%
Long-term Debt, Percentage Bearing Variable Interest, Percentage Rate			1.36%	1.39%
Outstanding balance			$ 173,000,000	$ 181,000,000
Undrawn revolving commitments			$ 427,000,000
Revolving loans | Amended And Restated Credit Agreement Credit Agreement
Line of Credit Facility [Line Items]
Line of Credit Facility, Covenant Compliance, Increase In Borrowing Capacity Availability	$ 300,000,000
Line of Credit Facility, Covenant Compliance, Maximum Consolidated Leverage Ratio	3.00
Revolving loans | Minimum
Line of Credit Facility [Line Items]
Commitment fee, percentage	0.20%
Revolving loans | Maximum
Line of Credit Facility [Line Items]
Commitment fee, percentage	0.35%
Revolving loans | LIBOR
Line of Credit Facility [Line Items]
Basis spread on variable rate			1.25%
Revolving loans | One Month LIBOR
Line of Credit Facility [Line Items]
Basis spread on variable rate			1.25%	1.25%
Letter of Credit [Member]
Line of Credit Facility [Line Items]
Fronting fee for each letter of credit issued, percentage	0.125%
Facilities, amount outstanding			$ 0
Swingline Loans [Member]
Line of Credit Facility [Line Items]
Facilities, amount outstanding			0
Revolving Loans and Non US Dollars LC [Member]
Line of Credit Facility [Line Items]
Facilities, amount outstanding			$ 0