Revenues (Narrative) (Details)	3 Months Ended
	Apr. 30, 2022 store segment state	May 01, 2021 state store
Product Information [Line Items]
Number of stores (store)	439	442
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)	6	5
Stores closed during the period (store)	1	1
Revenue [Member] | Risk [Member] | Online revenues [Member]
Product Information [Line Items]
Revenue segment greater than 10 percent	17.60%	18.00%