Long-Term Debt - Narrative (Details) - USD ($)		12 Months Ended
	Nov. 15, 2016	Jan. 27, 2019	Jan. 28, 2018	Jan. 29, 2017
Line of Credit Facility [Line Items]
Facilities, maximum borrowing capacity	$ 400,000,000
Maturity date of term loans and revolving commitments		Nov. 12, 2021
Borrowings under line of credit		$ 0	$ 0	$ 97,000,000
Minimum lenders represented as percentage of revolving commitments and outstanding term loans that may demand repayment in event of default	50.00%
Outstanding balance		$ 212,312,000	228,250,000
Minimum
Line of Credit Facility [Line Items]
Interest coverage ratio	3.00
Total leverage ratio following a material acquisition	3.25
Maximum
Line of Credit Facility [Line Items]
Total leverage ratio	3.00
Total leverage ratio following a material acquisition	3.50
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%.
Initial interest margin	2.00%
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
Line of Credit Facility [Line Items]
Basis spread on variable rate	1.00%
LIBOR
Line of Credit Facility [Line Items]
Basis spread on variable rate	1.00%
Initial interest margin	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%
Term loans
Line of Credit Facility [Line Items]
Facilities, maximum borrowing capacity	$ 150,000,000
Facilities, interest rate at period end		3.19%
Outstanding balance		$ 115,312,000	131,250,000
Revolving loans
Line of Credit Facility [Line Items]
Facilities, maximum borrowing capacity	$ 250,000,000
Initial commitment fee, percentage	0.40%
Facilities, interest rate at period end		3.19%
Outstanding balance		$ 97,000,000	$ 97,000,000
Undrawn revolving commitments		153,000,000
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	0.45%
Letter of Credit [Member]
Line of Credit Facility [Line Items]
Facilities, maximum borrowing capacity	$ 40,000,000
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, maximum borrowing capacity	$ 25,000,000
Facilities, amount outstanding		0
Foreign Line of Credit [Member]
Line of Credit Facility [Line Items]
Facilities, maximum borrowing capacity	40,000,000
Revolving Loans and Non US Dollars LC [Member]
Line of Credit Facility [Line Items]
Facilities, amount outstanding		$ 0
Additional Term Loan Facilities or Revolving Commitments [Member]
Line of Credit Facility [Line Items]
Facilities, maximum borrowing capacity	$ 150,000,000