Fair Value Measurements (Narrative) (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jul. 30, 2022	Jul. 31, 2021	Jul. 30, 2022	Jul. 31, 2021
Fair Value Disclosures [Abstract]
Investment Owned, at Fair Value	$ 10,800,000		$ 10,800,000
Accrued Liabilities and Other Liabilities	42,000		42,000
Unrealized losses related to equity securities			(2,500,000)
Long-lived assets, impairment charges	0	$ 243,000	0	$ 967,000
Operating lease, impairment loss	$ 0		$ 0