Revenues (Narrative) (Details) $ in Thousands	3 Months Ended
	May 02, 2020 USD ($) store state segment	May 04, 2019 store state	Jun. 05, 2020 store
Product Information [Line Items]
Number of stores (store)	446	449
Percentage of net sales	100.00%	100.00%
Number of reportable segments (segment) | segment	1
Number of states in which stores are located (state) | state	42	42
New stores opened during the period (store)	0	0
Stores substantially remodeled during the period (store)	1	1
Stores closed during the period (store)	2	1
Revenue [Member] | Online revenues [Member]
Product Information [Line Items]
Revenue segment greater than 10 percent	27.80%	12.10%
COVID-19 [Member]
Product Information [Line Items]
Reopened stores	37
Impact on revenue | $	$ (85,900)
Impact on revenue, percentage	(42.70%)
Subsequent Event [Member]
Product Information [Line Items]
Number of stores (store)			444
Subsequent Event [Member] | COVID-19 [Member]
Product Information [Line Items]
Reopened stores			397