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Retirement And Postemployment Benefits (Components Of Net Periodic Benefit Expense(Income)) (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Nov. 26, 2023 | Nov. 27, 2022 | Nov. 26, 2023 | Nov. 27, 2022
Defined Benefit Pension Plans [Member] |  |  |  |
Components of Net Periodic Benefit Cost [Abstract] |  |  |  |
Service cost | $ 14.4 | $ 17.5 | $ 28.6 | $ 35.1
Interest cost | 74.1 | 64.6 | 148.3 | 129.2
Expected return on plan assets | (106.0) | (105.0) | (208.9) | (210.0)
Amortization of losses (gains) | 21.5 | 28.4 | 43.0 | 56.7
Amortization of prior service costs (credits) | 0.5 | 0.3 | 0.9 | 0.7
Other adjustments | 0.0 | 0.0 | 0.0 | 0.0
Settlement or curtailment (gains) losses | (3.4) | 0.0 | (3.4) | 0.0
Net expense (income) | 1.1 | 5.8 | 8.5 | 11.7
Other Postretirement Benefit Plans [Member] |  |  |  |
Components of Net Periodic Benefit Cost [Abstract] |  |  |  |
Service cost | 1.2 | 1.2 | 2.4 | 2.6
Interest cost | 5.4 | 4.5 | 10.7 | 9.0
Expected return on plan assets | (8.7) | (7.8) | (17.4) | (15.6)
Amortization of losses (gains) | (5.1) | (4.8) | (10.2) | (9.7)
Amortization of prior service costs (credits) | (5.5) | (5.7) | (10.9) | (11.5)
Other adjustments | 0.0 | 0.0 | 0.0 | 0.0
Settlement or curtailment (gains) losses | 0.0 | 0.0 | 0.0 | 0.0
Net expense (income) | (12.7) | (12.6) | (25.4) | (25.2)
Postemployment Benefit Plans [Member] |  |  |  |
Components of Net Periodic Benefit Cost [Abstract] |  |  |  |
Service cost | 1.9 | 2.1 | 3.7 | 4.2
Interest cost | 1.0 | 0.8 | 2.0 | 1.6
Expected return on plan assets | 0.0 | 0.0 | 0.0 | 0.0
Amortization of losses (gains) | (0.1) | 0.0 | (0.1) | 0.1
Amortization of prior service costs (credits) | 0.2 | 0.1 | 0.3 | 0.2
Other adjustments | 2.6 | 2.9 | 5.2 | 5.9
Settlement or curtailment (gains) losses | 0.0 | 0.0 | 0.0 | 0.0
Net expense (income) | $ 5.6 | $ 5.9 | $ 11.1 | $ 12.0

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