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v3.26.1

PENSION AND POSTRETIREMENT BENEFITS - Other Changes in Plan Assets and Benefit Obligations (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
May 31, 2026 | May 25, 2025 | Feb. 25, 2024 | May 31, 2026 | May 25, 2025
PENSION AND POSTRETIREMENT BENEFITS |  |  |  |  |
Settlement loss (gain) |  |  | $ (6.8) |  |
Pension Plan [Member] |  |  |  |  |
PENSION AND POSTRETIREMENT BENEFITS |  |  |  |  |
Net actuarial gain (loss) |  |  |  | $ (2.5) | $ 72.3
Amendments |  |  |  | (1.5) | (0.1)
Amortization of prior service cost (benefit) |  |  |  | 1.5 | 1.6
Settlement loss (gain) | $ 2.7 | $ (13.0) |  | 2.7 | (13.0)
Recognized net actuarial gain |  |  |  | 25.2 | 3.5
Net amount recognized |  |  |  | (25.0) | 57.3
Other Postretirement Benefits Plan [Member] |  |  |  |  |
PENSION AND POSTRETIREMENT BENEFITS |  |  |  |  |
Net actuarial gain (loss) |  |  |  | 0.4 | (8.2)
Amortization of prior service cost (benefit) |  |  |  | (1.7) | (1.7)
Recognized net actuarial gain |  |  |  | 3.6 | 1.5
Net amount recognized |  |  |  | $ (4.9) | $ (11.4)

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