Financial Instruments, Risk Management Activities, and Fair Values (Schedule Of Interest Rate Swaps) (Details) - Interest Rate Contracts [Member] - USD ($) $ in Millions	May 28, 2023	May 29, 2022
Derivative [Line Items]
Pay-floating swaps - notional amount	$ 1,143.4	$ 644.1
Average Receive Rate	2.60%	0.40%
Average Pay Rate	2.50%	0.10%