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Fair Value Measurements (Narrative) (Details) - USD ($)
3 Months Ended 9 Months Ended
Oct. 29, 2022
Oct. 30, 2021
Oct. 29, 2022
Oct. 30, 2021
Fair Value Disclosures [Abstract]        
Investment Owned, at Fair Value $ 10,400,000   $ 10,400,000  
Accrued Liabilities and Other Liabilities 53,000   53,000  
Unrealized losses related to equity securities     (3,200,000)  
Long-lived assets, impairment charges 0 $ 15,000 0 $ 983,000
Operating lease, impairment loss $ 0   $ 0