Acquisition (Details) $ / shares in Units, $ in Thousands		3 Months Ended									12 Months Ended
	Nov. 05, 2018 USD ($) Store Payments	Feb. 02, 2019 USD ($)	Feb. 02, 2019 USD ($)	Nov. 03, 2018 USD ($)	Aug. 04, 2018 USD ($)	May 05, 2018 USD ($)	Feb. 03, 2018 USD ($)	Oct. 28, 2017 USD ($)	Jul. 29, 2017 USD ($)	Apr. 29, 2017 USD ($)	Feb. 02, 2019 USD ($) Store $ / shares	Feb. 03, 2018 USD ($) $ / shares	Jan. 28, 2017 USD ($)
Acquisition [Abstract]
Number of stores acquired | Store											136
Net sales			$ 305,964	$ 216,888	$ 211,123	$ 274,707	$ 266,738	$ 237,834	$ 187,958	$ 275,688	$ 1,008,682	$ 968,219	$ 972,960
Net loss			6,634	$ 1,499	$ (1,222)	$ 21,509	9,733	$ 7,564	$ (3,176)	$ 20,910	28,421	35,030	61,075
Current assets:
Goodwill		$ 23,133	$ 23,133				$ 0				23,133	0
Current liabilities:
Cash paid at closing											86,837	0	$ 0
City Gear [Member]
Acquisition [Abstract]
Purchase price, cash payable	$ 88,000
Number of contingent payments | Payments	2
Maximum amount of contingent payments	$ 25,000
Number of stores acquired | Store	130
Acquisition related expenses											4,300
Intangible asset for favorable leases	$ 1,500
Liability for unfavorable leases	2,600
Net amortization											100
Net sales		49,100
Net loss		400
Amortization of step-up inventory		$ 1,900
Current assets:
Receivables	3,168
Inventories	44,807
Prepaid expense, other current and intangible assets	2,716
Total current assets	50,691
Goodwill	23,133
Property and equipment	16,530
Long-term intangible assets	33,601
Deposits and other assets	567
Deferred tax asset	24
Total assets	124,546
Current liabilities:
Accounts payable	23,615
Other accrued expenses and intangible liabilities	3,366
Total current liabilities	26,981
Other long-term liabilities and intangible liabilities	2,613
Total liabilities	29,594
Total purchase price	94,952
Cash paid at closing	86,837
Fair value of contingent earnout	9,200
Net working capital and debt-like items adjustment	(1,085)
Pro Forma - Unaudited [Abstract]
Net sales											1,152,628	1,158,701
Net income											$ 27,265	$ 31,673
Basic earnings per share (in dollars per share) | $ / shares											$ 1.46	$ 1.56
Diluted earnings per share (in dollars per share) | $ / shares											$ 1.45	$ 1.55
City Gear [Member] | Trade Names [Member]
Acquisition [Abstract]
Indefinite-lived intangible asset fair value	$ 32,400