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Note F - Debt Facilities - Summary of Debt Facilities (Details) - USD ($)
$ in Thousands
Jan. 31, 2022
Apr. 30, 2021
Debt issuance costs $ (1,907) $ (678)
Debt facilities 373,156 225,924
Line of Credit [Member]    
Debt facilities, gross $ 375,063 $ 226,602