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Retail Restructuring (Details) - Retail operations - USD ($)
$ in Thousands
3 Months Ended
Oct. 31, 2020
Jul. 31, 2020
Charges recorded $ 2,200  
Balance at beginning of period 1,246  
Amounts charged to expense 892 $ 1,272
Cash payments (605) (26)
Balance at end of period 1,533 1,246
Severance and Benefit Costs    
Balance at beginning of period 454  
Amounts charged to expense 892 480
Cash payments (328) (26)
Balance at end of period 1,018 454
Store Closing Costs    
Balance at beginning of period 792  
Amounts charged to expense   792
Cash payments (277)  
Balance at end of period $ 515 $ 792