Quarterly report pursuant to Section 13 or 15(d)

Note 11 - Fair Value Measurements (Details Textual)

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Note 11 - Fair Value Measurements (Details Textual)
$ in Millions
3 Months Ended 6 Months Ended
Jul. 31, 2024
USD ($)
Jul. 31, 2023
USD ($)
Jul. 31, 2024
USD ($)
Jul. 31, 2023
USD ($)
Jun. 17, 2022
USD ($)
Fair Value, Inputs, Level 2 [Member]          
Long-Term Debt, Fair Value $ 476.2   $ 476.2    
Interest Rate Swap [Member]          
Derivative, Number of Instruments Held         2
Derivative, Notional Amount         $ 300.0
Derivative, Gain (Loss) on Derivative, Net $ 6.5 $ 6.9 $ 1.2 $ 7.2