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Fair Value Measurements (Narrative) (Details) - USD ($)	3 Months Ended		9 Months Ended		12 Months Ended
	Oct. 28, 2023	Oct. 29, 2022	Oct. 28, 2023	Oct. 29, 2022	Jan. 28, 2023
Fair Value Disclosures [Abstract]
Investment Owned, at Fair Value	$ 11,400,000		$ 11,400,000
Accrued Liabilities and Other Liabilities	1,600,000		1,600,000
Cumulative unrealized losses related to equity securities still held			(2,700,000)	$ (3,200,000)	$ (2,900,000)
Unrealized gains (losses) related to equity securities	(919,000)	$ (647,000)	141,000	(1,100,000)
Long-lived assets, impairment charges	$ 0	$ 0	$ 0	$ 0

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