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Debt (Details)
$ in Millions
6 Months Ended
Mar. 11, 2020
USD ($)
Rate
Jul. 31, 2022
USD ($)
quarter
Line of Credit Facility [Line Items]    
Number of fiscal quarters | quarter   4
Secured Debt | Revolving Credit Line    
Line of Credit Facility [Line Items]    
Borrowing capacity $ 50.0 $ 50.0
Debt instrument term (in years) 3 years  
Incremental borrowing available under certain conditions $ 50.0  
Capital stock of foreign subsidiary, percent 66.00%  
Covenant terms, minimum adjusted quick ratio | Rate 0.015%  
Line of credit facility, available borrowing capacity   35.9
Secured Debt | London Interbank Offered Rate (LIBOR) | Revolving Credit Line | Minimum    
Line of Credit Facility [Line Items]    
Basis spread on variable rate 2.50%  
Secured Debt | London Interbank Offered Rate (LIBOR) | Revolving Credit Line | Maximum    
Line of Credit Facility [Line Items]    
Basis spread on variable rate 3.00%  
Secured Debt | Base Rate | Revolving Credit Line | Minimum    
Line of Credit Facility [Line Items]    
Basis spread on variable rate 0.50%  
Secured Debt | Base Rate | Revolving Credit Line | Maximum    
Line of Credit Facility [Line Items]    
Basis spread on variable rate 0.00%  
Line of Credit | Letter of Credit    
Line of Credit Facility [Line Items]    
Borrowing capacity $ 30.0  
Debt instrument, collateral amount   $ 14.1
Line of Credit | Bridge Loan    
Line of Credit Facility [Line Items]    
Borrowing capacity $ 10.0