XML 63 R51.htm IDEA: XBRL DOCUMENT v3.23.2
Note F - Debt (Details Textual) - USD ($)
$ in Millions
 12 Months Ended
Apr. 30, 2023
Apr. 30, 2022
Apr. 27, 2022
Notes Payable [Member]      
Statement [Line Items]      
Debt Instrument, Face Amount $ 400.2   $ 400.0
Weighted Average Fixed Coupon Rate, Percent 8.68%   5.14%
Minimum Percent of Pool Balance 2.00%    
Revolving Credit Facility [Member]      
Statement [Line Items]      
Line of Credit Facility, Additional Borrowing Capacity, Accordion Feature $ 121.4    
Revolving Credit Facility [Member] | BMO Harris Bank [Member]      
Statement [Line Items]      
Line of Credit Facility, Maximum Borrowing Capacity $ 600.0    
Debt Instrument, Interest Rate, Effective Percentage 8.25% 2.85%  
Revolving Credit Facility [Member] | BMO Harris Bank [Member] | Minimum [Member]      
Statement [Line Items]      
Debt Instrument, Interest Rate, Effective Percentage 2.25%    
Revolving Credit Facility [Member] | BMO Harris Bank [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member]      
Statement [Line Items]      
Debt Instrument, Basis Spread on Variable Rate 2.75%