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Note 17 - Pension and Postretirement Benefits (Tables) | 12 Months Ended
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May 29, 2022
Notes Tables |
Changes in Projected Benefit Obligations, Fair Value of Plan Assets, and Funded Status of Plan [Table Text Block] |
|  | Pension Plans |  |  | Postretirement Plans |
|  | 2022 |  |  | 2021 |  |  | 2022 |  |  | 2021 |
Change in Benefit Obligation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Benefit obligation at beginning of year |  | $ | 3,739.2 |  |  | $ | 3,872.5 |  |  | $ | 81.5 |  |  | $ | 89.8 |
Service cost |  |  | 8.7 |  |  |  | 11.6 |  |  |  | 0.2 |  |  |  | 0.2 |
Interest cost |  |  | 83.3 |  |  |  | 86.8 |  |  |  | 1.3 |  |  |  | 1.5 |
Amendments |  |  | 3.7 |  |  |  | — |  |  |  | — |  |  |  | — |
Actuarial gain |  |  | (503.1 | ) |  |  | (37.4 | ) |  |  | (9.5 | ) |  |  | (2.3 | )
Plan settlements |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (0.3 | )
Curtailments |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Benefits paid |  |  | (198.3 | ) |  |  | (196.8 | ) |  |  | (8.2 | ) |  |  | (8.5 | )
Currency |  |  | (0.9 | ) |  |  | 2.5 |  |  |  | (0.5 | ) |  |  | 1.1 |
Benefit obligation at end of year |  | $ | 3,132.6 |  |  | $ | 3,739.2 |  |  | $ | 64.8 |  |  | $ | 81.5 |
Change in Plan Assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair value of plan assets at beginning of year |  | $ | 3,848.8 |  |  | $ | 3,820.4 |  |  | $ | 3.3 |  |  | $ | 3.4 |
Actual return on plan assets |  |  | (366.1 | ) |  |  | 194.6 |  |  |  | 0.1 |  |  |  | 0.2 |
Employer contributions |  |  | 11.5 |  |  |  | 27.6 |  |  |  | 8.2 |  |  |  | 8.5 |
Plan settlements |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (0.3 | )
Benefits paid |  |  | (198.4 | ) |  |  | (196.8 | ) |  |  | (8.2 | ) |  |  | (8.5 | )
Currency |  |  | (1.1 | ) |  |  | 3.0 |  |  |  | — |  |  |  | — |
Fair value of plan assets at end of year |  | $ | 3,294.7 |  |  | $ | 3,848.8 |  |  | $ | 3.4 |  |  | $ | 3.3 |
Schedule of Net Funded Status [Table Text Block] |
|  | Pension Plans |  |  | Postretirement Plans |
|  | 2022 |  |  | 2021 |  |  | 2022 |  |  | 2021 |
Funded Status |  | $ | 162.1 |  |  | $ | 109.6 |  |  | $ | (61.4 | ) |  | $ | (78.2 | )
Amounts Recognized in Consolidated Balance Sheets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other assets |  | $ | 277.0 |  |  | $ | 245.0 |  |  | $ | 3.2 |  |  | $ | 3.0 |
Other accrued liabilities |  |  | (10.2 | ) |  |  | (10.3 | ) |  |  | (8.1 | ) |  |  | (9.0 | )
Other noncurrent liabilities |  |  | (104.7 | ) |  |  | (125.1 | ) |  |  | (56.5 | ) |  |  | (72.2 | )
Net Amount Recognized |  | $ | 162.1 |  |  | $ | 109.6 |  |  | $ | (61.4 | ) |  | $ | (78.2 | )
Amounts Recognized in Accumulated Other Comprehensive (Income) Loss (Pre-tax) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Actuarial net loss (gain) |  | $ | (30.2 | ) |  | $ | (41.5 | ) |  | $ | (44.5 | ) |  | $ | (38.4 | )
Net prior service cost (benefit) |  |  | 8.0 |  |  |  | 6.2 |  |  |  | (11.0 | ) |  |  | (12.9 | )
Total |  | $ | (22.2 | ) |  | $ | (35.3 | ) |  | $ | (55.5 | ) |  | $ | (51.3 | )
Weighted-Average Actuarial Assumptions Used to Determine Benefit Obligations at May 29, 2022 and May 30, 2021 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Discount rate |  |  | 4.48 | % |  |  | 3.04 | % |  |  | 4.24 | % |  |  | 2.51 | %
Long-term rate of compensation increase |  |  | N/A |  |  |  | N/A |  |  |  | N/A |  |  |  | N/A |
Schedule of Defined Benefit Plans Disclosures [Table Text Block] |
|  | 2022 |  |  | 2021 |
Projected benefit obligation |  | $ | 114.9 |  |  | $ | 135.4 |
Accumulated benefit obligation |  |  | 114.9 |  |  |  | 135.4 |
|  | Pension Plans |  |  | Postretirement Plans |
|  | 2022 |  |  | 2021 |  |  | 2020 |  |  | 2022 |  |  | 2021 |  |  | 2020 |
Service cost |  | $ | 8.7 |  |  | $ | 11.6 |  |  | $ | 11.5 |  |  | $ | 0.2 |  |  | $ | 0.2 |  |  | $ | 0.1 |
Interest cost |  |  | 83.3 |  |  |  | 86.8 |  |  |  | 118.4 |  |  |  | 1.3 |  |  |  | 1.5 |  |  |  | 2.6 |
Expected return on plan assets |  |  | (145.4 | ) |  |  | (140.0 | ) |  |  | (170.2 | ) |  |  | — |  |  |  | — |  |  |  | — |
Amortization of prior service cost (benefit) |  |  | 1.9 |  |  |  | 2.3 |  |  |  | 2.7 |  |  |  | (2.0 | ) |  |  | (2.1 | ) |  |  | (2.1 | )
Recognized net actuarial loss (gain) |  |  | (2.9 | ) |  |  | 0.8 |  |  |  | 44.8 |  |  |  | (3.5 | ) |  |  | (3.5 | ) |  |  | (4.6 | )
Settlement gain |  |  | — |  |  |  | — |  |  |  | (2.1 | ) |  |  | — |  |  |  | (0.5 | ) |  |  | (0.2 | )
Curtailment loss (gain) |  |  | — |  |  |  | 0.2 |  |  |  | 0.8 |  |  |  | — |  |  |  | — |  |  |  | — |
Pension and postretirement cost (benefit) — Company plans |  |  | (54.4 | ) |  |  | (38.3 | ) |  |  | 5.9 |  |  |  | (4.0 | ) |  |  | (4.4 | ) |  |  | (4.2 | )
Pension cost (benefit) — multi-employer plans |  |  | 8.1 |  |  |  | 7.4 |  |  |  | 6.5 |  |  |  | — |  |  |  | — |  |  |  | — |
Total pension and postretirement cost (benefit) |  | $ | (46.3 | ) |  | $ | (30.9 | ) |  | $ | 12.4 |  |  | $ | (4.0 | ) |  | $ | (4.4 | ) |  | $ | (4.2 | )
Schedule of Amounts Recognized in Other Comprehensive Income (Loss) [Table Text Block] |
|  | Pension Plans |  |  | Postretirement Plans |
|  | 2022 |  |  | 2021 |  |  | 2022 |  |  | 2021 |
Net actuarial gain (loss) |  | $ | (8.5 | ) |  | $ | 92.0 |  |  | $ | 9.6 |  |  | $ | 2.5 |
Amendments |  |  | (3.7 | ) |  |  | — |  |  |  | — |  |  |  | — |
Amortization of prior service cost (benefit) |  |  | 1.9 |  |  |  | 2.3 |  |  |  | (2.0 | ) |  |  | (2.1 | )
Settlement and curtailment loss (gain) |  |  | — |  |  |  | 0.2 |  |  |  | — |  |  |  | (0.5 | )
Recognized net actuarial loss (gain) |  |  | (2.9 | ) |  |  | 0.8 |  |  |  | (3.5 | ) |  |  | (3.5 | )
Currency |  |  | 0.1 |  |  |  | (0.2 | ) |  |  | 0.1 |  |  |  | (0.2 | )
Net amount recognized |  | $ | (13.1 | ) |  | $ | 95.1 |  |  | $ | 4.2 |  |  | $ | (3.8 | )
Defined Benefit Plan, Assumptions [Table Text Block] |
|  | Pension Plans |  |  | Postretirement Plans |
|  | 2022 |  |  | 2021 |  |  | 2020 |  |  | 2022 |  |  | 2021 |  |  | 2020 |
Discount rate - interest cost |  |  | 2.29 | % |  |  | 2.30 | % |  |  | 3.51 | % |  |  | 1.69 | % |  |  | 1.74 | % |  |  | 3.09 | %
Discount rate - service cost |  |  | 3.50 | % |  |  | 3.35 | % |  |  | 4.04 | % |  |  | 3.55 | % |  |  | 3.03 | % |  |  | 3.47 | %
Long-term rate of return on plan assets |  |  | 3.87 | % |  |  | 3.74 | % |  |  | 4.77 | % |  |  | 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 Allocation of Plan Assets [Table Text Block] |
|  | Level 1 |  |  | Level 2 |  |  | Level 3 |  |  | Total |
Cash and cash equivalents |  | $ | 19.8 |  |  | $ | 93.2 |  |  | $ | — |  |  | $ | 113.0 |
Equity securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. equity securities |  |  | 65.6 |  |  |  | 19.5 |  |  |  | — |  |  |  | 85.1 |
International equity securities |  |  | 34.4 |  |  |  | — |  |  |  | — |  |  |  | 34.4 |
Fixed income securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Government bonds |  |  | — |  |  |  | 653.1 |  |  |  | — |  |  |  | 653.1 |
Corporate bonds |  |  | — |  |  |  | 2,179.3 |  |  |  | — |  |  |  | 2,179.3 |
Mortgage-backed bonds |  |  | — |  |  |  | 8.6 |  |  |  | — |  |  |  | 8.6 |
Real estate funds |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Net payables for unsettled transactions |  |  | (9.6 | ) |  |  | — |  |  |  | — |  |  |  | (9.6 | )
Fair value measurement of pension plan assets in the fair value hierarchy |  | $ | 110.2 |  |  | $ | 2,953.7 |  |  | $ | — |  |  | $ | 3,063.9 |
Investments measured at net asset value |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 230.8 |
Total pension plan assets |  |  |  |  |  |  |  |  |  |  |  |  |  | $ | 3,294.7 |
|  | Level 1 |  |  | Level 2 |  |  | Level 3 |  |  | Total |
Cash and cash equivalents |  | $ | 7.5 |  |  | $ | 85.0 |  |  | $ | — |  |  | $ | 92.5 |
Equity securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. equity securities |  |  | 78.0 |  |  |  | 94.6 |  |  |  | — |  |  |  | 172.6 |
International equity securities |  |  | 121.9 |  |  |  | 0.5 |  |  |  | — |  |  |  | 122.4 |
Fixed income securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Government bonds |  |  | — |  |  |  | 772.6 |  |  |  | — |  |  |  | 772.6 |
Corporate bonds |  |  | — |  |  |  | 2,407.2 |  |  |  | — |  |  |  | 2,407.2 |
Mortgage-backed bonds |  |  | — |  |  |  | 12.4 |  |  |  | — |  |  |  | 12.4 |
Real estate funds |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Net receivables for unsettled transactions |  |  | 5.7 |  |  |  | — |  |  |  | — |  |  |  | 5.7 |
Fair value measurement of pension plan assets in the fair value hierarchy |  | $ | 213.1 |  |  | $ | 3,372.3 |  |  | $ | — |  |  | $ | 3,585.4 |
Investments measured at net asset value |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 263.4 |
Total pension plan assets |  |  |  |  |  |  |  |  |  |  |  |  |  | $ | 3,848.8 |
|  | May 29, 2022 |  |  | May 30, 2021 |
Equity securities |  |  | 4 | % |  |  | 8 | %
Debt securities |  |  | 87 | % |  |  | 83 | %
Real estate funds |  |  | 1 | % |  |  | 1 | %
Private equity |  |  | 4 | % |  |  | 3 | %
Other |  |  | 4 | % |  |  | 5 | %
Total |  |  | 100 | % |  |  | 100 | %
Schedule of Health Care Cost Trend Rates [Table Text Block] |
Assumed Health Care Cost Trend Rates at: |  | May 29, 2022 |  |  | May 30, 2021 |
Initial health care cost trend rate |  |  | 6.32 | % |  |  | 6.53 | %
Ultimate health care cost trend rate |  |  | 4.44 | % |  |  | 4.44 | %
Year that the rate reaches the ultimate trend rate |  | 2029 |  |  | 2029 |
Schedule of Expected Benefit Payments [Table Text Block] |
|  | Pension |  |  | Postretirement |
|  | Plans |  |  | Plans |
2023 |  | $ | 202.6 |  |  | $ | 8.1 |
2024 |  |  | 203.7 |  |  |  | 7.5 |
2025 |  |  | 205.5 |  |  |  | 6.9 |
2026 |  |  | 206.8 |  |  |  | 6.3 |
2027 |  |  | 207.5 |  |  |  | 5.8 |
Succeeding 5 years |  |  | 1,027.7 |  |  |  | 22.5 |
Multiemployer Plan [Table Text Block] |
|  | Pension Protection Act Zone Status | FIP / RP Status |  | Contributions by the Company (millions) |  |  | Expiration Dates of Collective |
Pension Fund | EIN / PN | 2021 | 2020 | Pending / Implemented |  | FY22 |  |  | FY21 |  |  | FY20 |  | Surcharge Imposed | Bargaining Agreements |
Central States, Southeast and Southwest Areas Pension Fund | 36-6044243/ 001 | Red, Critical and Declining | Red, Critical and Declining | RP Implemented |  |  | 2.5 |  |  |  | 2.2 |  |  |  | 2.0 |  | No | 5/31/2025 |
Western Conference of Teamsters Pension Plan | 91-6145047/ 001 | Green | Green | N/A |  |  | 3.8 |  |  |  | 3.8 |  |  |  | 3.2 |  | No | 6/30/2022 |
Other Plans |  |  |  |  |  |  | 1.8 |  |  |  | 1.4 |  |  |  | 1.3 |  |  |  |
Total Contributions |  |  |  |  |  | $ | 8.1 |  |  | $ | 7.4 |  |  | $ | 6.5 |  |  |  |

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- Definition Tabular disclosure of net funded status of pension plans and/or other employee benefit plans. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
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