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Note 5 - Derivative Financial Instruments (Details Textual) - USD ($)
$ in Millions
Oct. 29, 2022
Apr. 30, 2022
Derivative, Notional Amount $ 83.5  
Price Risk Cash Flow Hedge Unrealized Gain (Loss) to be Reclassified During Next 12 Months 12.1  
Prepaid Expenses and Other Current Assets [Member]    
Derivative Asset, Current $ 13.0 $ 8.8