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Note 7 - Long-term Debt (Details Textual) - USD ($)
$ in Millions
6 Months Ended
Jul. 31, 2025
Jan. 31, 2025
Apr. 04, 2022
Jul. 16, 2021
Short-Term Debt $ 1 $ 1    
Accounts Receivable Facility [Member]        
Line of Credit Facility, Maximum Borrowing Capacity $ 75      
Debt Instrument, Interest Rate During Period 6.94%      
Short-Term Debt $ 1      
Term Loan Facility [Member]        
Debt Instrument, Face Amount       $ 480
Term B-1 Loans [Member]        
Debt Instrument, Face Amount     $ 160