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Leases (Details) - Lease, Cost - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Oct. 31, 2021
Nov. 01, 2020
Oct. 31, 2021
Nov. 01, 2020
Leases (Details) - Lease, Cost [Line Items]        
Operating lease cost $ 1,874 $ 2,168 $ 5,968 $ 6,696
Operating cash outflows 1,843 2,056 5,818 5,908
Operating Lease Costs [Member]        
Leases (Details) - Lease, Cost [Line Items]        
Operating lease cost 1,794 2,061 5,712 6,319
Variable Lease Cost [Member]        
Leases (Details) - Lease, Cost [Line Items]        
Operating lease cost 53 37 162 105
Leases Less Then 12 Months [Member]        
Leases (Details) - Lease, Cost [Line Items]        
Operating lease cost $ 27 $ 70 $ 94 $ 272