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PENSION AND POSTRETIREMENT BENEFITS (Tables) | 12 Months Ended
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May 26, 2024
PENSION AND POSTRETIREMENT BENEFITS |
Schedule Of Changes in Projected Benefit Obligations | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Pension Plans | ​ | Postretirement Plans
​ |  | 2024 |  | 2023 |  | 2024 |  | 2023
Change in Benefit Obligation | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Benefit obligation at beginning of year | ​ | $ | 2,800.2 | ​ | $ | 3,132.6 | ​ | $ | 53.2 | ​ | $ | 64.8
Service cost | ​ | ​ | 5.8 | ​ | ​ | 6.5 | ​ | ​ | 0.1 | ​ | ​ | 0.1
Interest cost | ​ | ​ | 144.7 | ​ | ​ | 124.0 | ​ | ​ | 2.5 | ​ | ​ | 2.3
Amendments | ​ | ​ | 0.3 | ​ | ​ | 3.0 | ​ | ​ | — | ​ | ​ | —
Actuarial gain | ​ | ​ | (31.2) | ​ | ​ | (265.5) | ​ | ​ | (0.8) | ​ | ​ | (6.3)
Plan settlements | ​ | ​ | (70.8) | ​ | ​ | — | ​ | ​ | — | ​ | ​ | —
Benefits paid | ​ | ​ | (274.3) | ​ | ​ | (199.3) | ​ | ​ | (6.9) | ​ | ​ | (7.3)
Currency | ​ | ​ | — | ​ | ​ | (1.1) | ​ | ​ | — | ​ | ​ | (0.4)
Benefit obligation at end of year | ​ | $ | 2,574.7 | ​ | $ | 2,800.2 | ​ | $ | 48.1 | ​ | $ | 53.2
Change in Plan Assets | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Fair value of plan assets at beginning of year | ​ | $ | 2,948.5 | ​ | $ | 3,294.7 | ​ | $ | 3.5 | ​ | $ | 3.4
Actual return on plan assets | ​ | ​ | 118.4 | ​ | ​ | (158.1) | ​ | ​ | 0.2 | ​ | ​ | 0.1
Employer contributions | ​ | ​ | 12.2 | ​ | ​ | 12.5 | ​ | ​ | 6.9 | ​ | ​ | 7.3
Plan settlements | ​ | ​ | (65.9) | ​ | ​ | — | ​ | ​ | — | ​ | ​ | —
Benefits paid | ​ | ​ | (274.3) | ​ | ​ | (199.3) | ​ | ​ | (6.9) | ​ | ​ | (7.3)
Currency | ​ | ​ | — | ​ | ​ | (1.3) | ​ | ​ | — | ​ | ​ | —
Fair value of plan assets at end of year | ​ | $ | 2,738.9 | ​ | $ | 2,948.5 | ​ | $ | 3.7 | ​ | $ | 3.5
Schedule of Net Funded Status | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Pension Plans | ​ | Postretirement Plans
​ |  | 2024 |  | 2023 |  | 2024 |  | 2023
Funded Status | ​ | $ | 164.2 | ​ | $ | 148.3 | ​ | $ | (44.4) | ​ | $ | (49.7)
Amounts Recognized in Consolidated Balance Sheets | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Other assets | ​ | $ | 260.1 | ​ | $ | 249.9 | ​ | $ | 3.5 | ​ | $ | 3.3
Other accrued liabilities | ​ | ​ | (9.3) | ​ | ​ | (9.7) | ​ | ​ | (6.5) | ​ | ​ | (7.2)
Other noncurrent liabilities | ​ | ​ | (86.6) | ​ | ​ | (91.9) | ​ | ​ | (41.4) | ​ | ​ | (45.8)
Net Amount Recognized | ​ | $ | 164.2 | ​ | $ | 148.3 | ​ | $ | (44.4) | ​ | $ | (49.7)
Amounts Recognized in Accumulated Other Comprehensive (Income) Loss (Pre-tax) | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Actuarial net loss (gain) | ​ | $ | 8.3 | ​ | $ | 8.1 | ​ | $ | (42.7) | ​ | $ | (46.5)
Net prior service cost (benefit) | ​ | ​ | 6.2 | ​ | ​ | 9.6 | ​ | ​ | (7.5) | ​ | ​ | (9.2)
Total | ​ | $ | 14.5 | ​ | $ | 17.7 | ​ | $ | (50.2) | ​ | $ | (55.7)
Weighted-Average Actuarial Assumptions Used to Determine Benefit Obligations at May 26, 2024 and May 28, 2023 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Discount rate | ​ | ​ | 5.58% | ​ | ​ | 5.50% | ​ | ​ | 5.41% | ​ | ​ | 5.37%
Long-term rate of compensation increase | ​ | ​ | N/A | ​ | ​ | N/A | ​ | ​ | N/A | ​ | ​ | N/A
Schedule of Defined Benefit Plans Disclosures | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | 2024 |  | 2023
Projected benefit obligation | ​ | $ | 95.9 | ​ | $ | 101.6
Accumulated benefit obligation | ​ | ​ | 95.9 | ​ | ​ | 101.6
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Pension Plans | ​ | Postretirement Plans
​ |  | 2024 |  | 2023 |  | 2022 |  | 2024 |  | 2023 |  | 2022
Service cost | ​ | $ | 5.8 | ​ | $ | 6.5 | ​ | $ | 8.7 | ​ | $ | 0.1 | ​ | $ | 0.1 | ​ | $ | 0.2
Interest cost | ​ | ​ | 144.7 | ​ | ​ | 124.0 | ​ | ​ | 83.3 | ​ | ​ | 2.5 | ​ | ​ | 2.3 | ​ | ​ | 1.3
Expected return on plan assets | ​ | ​ | (141.3) | ​ | ​ | (145.9) | ​ | ​ | (145.4) | ​ | ​ | — | ​ | ​ | — | ​ | ​ | —
Amortization of prior service cost (benefit) | ​ | ​ | 1.6 | ​ | ​ | 1.4 | ​ | ​ | 1.9 | ​ | ​ | (1.7) | ​ | ​ | (1.7) | ​ | ​ | (2.0)
Recognized net actuarial loss (gain) | ​ | ​ | (12.5) | ​ | ​ | 0.1 | ​ | ​ | (2.9) | ​ | ​ | (4.7) | ​ | ​ | (4.4) | ​ | ​ | (3.5)
Settlement loss | ​ | ​ | 1.1 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | —
Pension and postretirement cost (benefit) — Company plans | ​ | ​ | (0.6) | ​ | ​ | (13.9) | ​ | ​ | (54.4) | ​ | ​ | (3.8) | ​ | ​ | (3.7) | ​ | ​ | (4.0)
Pension cost (benefit) — multi-employer plans | ​ | ​ | 9.0 | ​ | ​ | 9.2 | ​ | ​ | 8.1 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | —
Total pension and postretirement cost (benefit) | ​ | $ | 8.4 | ​ | $ | (4.7) | ​ | $ | (46.3) | ​ | $ | (3.8) | ​ | $ | (3.7) | ​ | $ | (4.0)
Schedule of Amounts Recognized in Other Comprehensive Income | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Pension Plans | ​ | Postretirement Plans
​ |  | 2024 |  | 2023 |  | 2024 |  | 2023
Net actuarial gain (loss) | ​ | $ | 13.3 | ​ | $ | (38.4) | ​ | $ | 0.9 | ​ | $ | 6.3
Amendments | ​ | ​ | (0.3) | ​ | ​ | (3.0) | ​ | ​ | — | ​ | ​ | —
Amortization of prior service cost (benefit) | ​ | ​ | 1.6 | ​ | ​ | 1.4 | ​ | ​ | (1.7) | ​ | ​ | (1.7)
Settlement loss | ​ | ​ | 1.1 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | —
Recognized net actuarial gain | ​ | ​ | (12.5) | ​ | ​ | — | ​ | ​ | (4.7) | ​ | ​ | (4.4)
Currency | ​ | ​ | — | ​ | ​ | 0.1 | ​ | ​ | — | ​ | ​ | —
Net amount recognized | ​ | $ | 3.2 | ​ | $ | (39.9) | ​ | $ | (5.5) | ​ | $ | 0.2
Schedule of Allocation of Plan Assets | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Level 1 |  | Level 2 |  | Level 3 |  | Total
Cash and cash equivalents | ​ | $ | 2.2 | ​ | $ | 75.3 | ​ | $ | — | ​ | $ | 77.5
Equity securities: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
U.S. equity securities | ​ | ​ | 71.0 | ​ | ​ | 24.0 | ​ | ​ | — | ​ | ​ | 95.0
International equity securities | ​ | ​ | 34.8 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 34.8
Fixed income securities: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Government bonds | ​ | ​ | — | ​ | ​ | 508.1 | ​ | ​ | — | ​ | ​ | 508.1
Corporate bonds | ​ | ​ | — | ​ | ​ | 1,797.6 | ​ | ​ | — | ​ | ​ | 1,797.6
Mortgage-backed bonds | ​ | ​ | — | ​ | ​ | 53.3 | ​ | ​ | — | ​ | ​ | 53.3
Net receivables for unsettled transactions | ​ | ​ | (20.6) | ​ | ​ | — | ​ | ​ | — | ​ | ​ | (20.6)
Fair value measurement of pension plan assets in the fair value hierarchy | ​ | $ | 87.4 | ​ | $ | 2,458.3 | ​ | $ | — | ​ | $ | 2,545.7
Investments measured at net asset value | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | 193.2
Total pension plan assets | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | $ | 2,738.9
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Level 1 |  | Level 2 |  | Level 3 |  | Total
Cash and cash equivalents | ​ | $ | 5.7 | ​ | $ | 152.6 | ​ | $ | — | ​ | $ | 158.3
Equity securities: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
U.S. equity securities | ​ | ​ | 59.0 | ​ | ​ | 19.5 | ​ | ​ | — | ​ | ​ | 78.5
International equity securities | ​ | ​ | 34.4 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 34.4
Fixed income securities: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Government bonds | ​ | ​ | — | ​ | ​ | 562.2 | ​ | ​ | — | ​ | ​ | 562.2
Corporate bonds | ​ | ​ | — | ​ | ​ | 1,878.1 | ​ | ​ | — | ​ | ​ | 1,878.1
Mortgage-backed bonds | ​ | ​ | — | ​ | ​ | 22.0 | ​ | ​ | — | ​ | ​ | 22.0
Net payables for unsettled transactions | ​ | ​ | 2.6 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 2.6
Fair value measurement of pension plan assets in the fair value hierarchy | ​ | $ | 101.7 | ​ | $ | 2,634.4 | ​ | $ | — | ​ | $ | 2,736.1
Investments measured at net asset value | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | 212.4
Total pension plan assets | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | $ | 2,948.5
​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | May 26, 2024 | ​ | ​ | May 28, 2023
Equity securities | ​ | ​ | 5% | ​ | ​ | 4%
Debt securities | ​ | ​ | 86% | ​ | ​ | 84%
Real estate funds | ​ | ​ | 1% | ​ | ​ | 1%
Private equity | ​ | ​ | 4% | ​ | ​ | 4%
Other | ​ | ​ | 4% | ​ | ​ | 7%
Total | ​ | ​ | 100% | ​ | ​ | 100%
Schedule of Defined Benefit Plan | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Pension Plans | ​ | Postretirement Plans
​ |  | 2024 |  | 2023 |  | 2022 |  | 2024 |  | 2023 |  | 2022
Discount rate - interest cost | ​ | ​ | 5.41% | ​ | ​ | 4.09% | ​ | ​ | 2.29% | ​ | ​ | 5.36% | ​ | ​ | 3.83% | ​ | ​ | 1.69%
Discount rate - service cost | ​ | ​ | 5.60% | ​ | ​ | 4.74% | ​ | ​ | 3.50% | ​ | ​ | 5.31% | ​ | ​ | 4.60% | ​ | ​ | 3.55%
Long-term rate of return on plan assets | ​ | ​ | 5.00% | ​ | ​ | 4.56% | ​ | ​ | 3.87% | ​ | ​ | N/A | ​ | ​ | N/A | ​ | ​ | N/A
Long-term rate of compensation increase | ​ | ​ | N/A | ​ | ​ | N/A | ​ | ​ | N/A | ​ | ​ | N/A | ​ | ​ | N/A | ​ | ​ | N/A
Schedule of Health Care Cost Trend Rates | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
Assumed Health Care Cost Trend Rates at: |  | ​ | May 26, 2024 |  | ​ | May 28, 2023
Initial health care cost trend rate | ​ | ​ | 6.67% | ​ | ​ | 6.92%
Ultimate health care cost trend rate | ​ | ​ | 4.42% | ​ | ​ | 4.43%
Year that the rate reaches the ultimate trend rate | ​ | ​ | 2033 | ​ | ​ | 2034
Schedule of Expected Benefit Payments | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Pension | ​ | Postretirement
​ |  | Plans |  | Plans
2025 | ​ | $ | 199.2 | ​ | $ | 6.6
2026 | ​ | ​ | 198.9 | ​ | ​ | 6.1
2027 | ​ | ​ | 199.4 | ​ | ​ | 5.6
2028 | ​ | ​ | 199.2 | ​ | ​ | 5.1
2029 | ​ | ​ | 198.6 | ​ | ​ | 4.7
Succeeding 5 years | ​ | ​ | 965.6 | ​ | ​ | 18.1
Schedule of Multiemployer Plan | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ ​ | ​ | ​ | ​ | ​ | ​ | Expiration
​ | ​ | ​ | ​ | ​ | ​ | Pension Protection | ​ | ​ | FIP / | ​ | ​ | Contributions by the | ​ | ​ | ​ | ​ | ​ | Dates of
​ | ​ | ​ | ​ | ​ | ​ | Act Zone Status | ​ | ​ | RP Status | ​ | ​ | Company (millions) | ​ | ​ | ​ | ​ | ​ | Collective
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Pending / | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Surcharge | ​ | ​ | Bargaining
Pension Fund |  |  | EIN / PN |  |  | 2023 |  |  | 2022 |  |  | Implemented |  |  | FY24 |  |  | FY23 |  |  | FY22 |  |  | Imposed |  |  | Agreements
Central States, Southeast and Southwest Areas Pension Fund | ​ | ​ | 36-6044243/ 001 | ​ | ​ | Red, Critical and Declining | ​ | ​ | Red, Critical and Declining | ​ | ​ | RP Implemented | ​ | ​ | ​ | 2.4 | ​ | ​ | ​ | 2.6 | ​ | ​ | ​ | 2.5 | ​ | ​ | No | ​ | ​ | 5/31/2025
Western Conference of Teamsters Pension Plan | ​ | ​ | 91-6145047/ 001 | ​ | ​ | Green | ​ | ​ | Green | ​ | ​ | N/A | ​ | ​ | ​ | 4.3 | ​ | ​ | ​ | 4.4 | ​ | ​ | ​ | 3.8 | ​ | ​ | No | ​ | ​ | 4/30/2025
Other Plans | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | 2.3 | ​ | ​ | ​ | 2.2 | ​ | ​ | ​ | 1.8 | ​ | ​ | ​ | ​ | ​ | ​
Total Contributions | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | $ | 9.0 | ​ | ​ | $ | 9.2 | ​ | ​ | $ | 8.1 | ​ | ​ | ​ | ​ | ​ | ​

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