Quarterly report pursuant to Section 13 or 15(d)

Defined Benefit Plan (Details)

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Defined Benefit Plan (Details) - Supplemental Executive Retirement Plan [Member] - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jul. 31, 2021
Aug. 01, 2020
Jul. 31, 2021
Aug. 01, 2020
Contributions by Employer [Abstract]        
Cash contributions by employer     $ 0  
Expected cash contributions by employer $ 1,200   1,200  
Net Periodic Pension Cost [Abstract]        
Interest cost 63 $ 89 126 $ 178
Amortization of net gain [1] 0 (3) 0 (6)
Net periodic pension cost $ 63 $ 86 $ 126 $ 172
[1] The amortization of net gain is related to a director retirement plan previously provided by the Company.