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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% |  |

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