Financial Instruments, Risk Management Activities, and Fair Values (Schedule of After-tax Amounts of Cash Flow Hedges in AOCI) (Details) - USD ($) $ in Millions |
May 25, 2025 |
May 26, 2024 |
|---|---|---|
| Derivative [Line Items] | ||
| After-tax gain (loss) in AOCI related to hedge derivatives | $ (7.4) | $ 0.2 |
| Interest Rate Contracts [Member] | ||
| Derivative [Line Items] | ||
| After-tax gain (loss) in AOCI related to hedge derivatives | (7.1) | |
| Foreign Exchange Contracts [Member] | ||
| Derivative [Line Items] | ||
| After-tax gain (loss) in AOCI related to hedge derivatives | $ (0.3) |