Property and Equipment and Hosted Cloud Computing Arrangements (Narrative) (Details) - USD ($)	12 Months Ended
	Feb. 01, 2020	Feb. 02, 2019	Feb. 03, 2018
Long-lived assets, impairment charges	$ 1,200,000	$ 0	$ 5,100,000
Remaining unamortized basis	0		$ 4,700,000
Total gross capitalized cost	8,100,000	1,200,000
Accumulated amortization	122,000	$ 0
Total amortization expense	122,000
Other Current Assets [Member]
Capitalized cost, net of accumulated amortization	713,000
Other Noncurrent Assets [Member]
Capitalized cost, net of accumulated amortization	$ 7,300,000