Derivative Financial Instruments (Narrative) (Details)	12 Months Ended
	Apr. 30, 2023 USD ($)	Apr. 30, 2022 USD ($)	May 28, 2021 USD ($) instrument
Cash Flow Hedging
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months	$ 8,400,000
Gain (Loss) on Derivative Instruments [Member] | Cash Flow Hedging
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax	(3,800,000)	$ (900,000)
Other Comprehensive Income (Loss) [Member] | Cash Flow Hedging
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax	3,900,000	$ 10,200,000
Interest Rate Swap [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, Fixed Interest Rate			0.53%
Interest Rate Swap [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, Number of Instruments Held | instrument			4
Derivative, Notional Amount			$ 200,000,000
Foreign Exchange Contract | Not Designated as Hedging Instrument
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, Notional Amount	$ 0