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v3.23.2

Note 17 - Pension and Postretirement Benefits - Schedule of Projected Benefit Obligation, Accumulated Benefit Obligation, and Fair Value of Plan Assets (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
May 28, 2023 | May 29, 2022 | May 30, 2021
Projected benefit obligation | $ 101.6 | $ 114.9 |
Accumulated benefit obligation | 101.6 | 114.9 |
Pension Plan [Member] |  |  |
Service cost | 6.5 | 8.7 | $ 11.6
Interest cost | 124.0 | 83.3 | 86.8
Expected return on plan assets | (145.9) | (145.4) | (140.0)
Amortization of prior service cost (benefit) | 1.4 | 1.9 | 2.3
Recognized net actuarial loss (gain) | 0.1 | (2.9) | 0.8
Settlement gain | 0.0 | 0.0 | 0.0
Curtailment loss | 0.0 | 0.0 | 0.2
Total pension and postretirement cost (benefit) | (4.7) | (46.3) | (30.9)
Total pension and postretirement cost (benefit) | (4.7) | (46.3) | (30.9)
Pension Plan [Member] | Company Plans [Member] |  |  |
Total pension and postretirement cost (benefit) | (13.9) | (54.4) | (38.3)
Total pension and postretirement cost (benefit) | (13.9) | (54.4) | (38.3)
Pension Plan [Member] | Multi Employer Plans [Member] |  |  |
Total pension and postretirement cost (benefit) | 9.2 | 8.1 | 7.4
Total pension and postretirement cost (benefit) | 9.2 | 8.1 | 7.4
Other Postretirement Benefits Plan [Member] |  |  |
Service cost | 0.1 | 0.2 | 0.2
Interest cost | 2.3 | 1.3 | 1.5
Expected return on plan assets | 0.0 | 0.0 | 0.0
Amortization of prior service cost (benefit) | (1.7) | (2.0) | (2.1)
Recognized net actuarial loss (gain) | (4.4) | (3.5) | (3.5)
Settlement gain | 0.0 | 0.0 | (0.5)
Curtailment loss | 0.0 | 0.0 | 0.0
Total pension and postretirement cost (benefit) | (3.7) | (4.0) | (4.4)
Total pension and postretirement cost (benefit) | (3.7) | (4.0) | (4.4)
Other Postretirement Benefits Plan [Member] | Company Plans [Member] |  |  |
Total pension and postretirement cost (benefit) | (3.7) | (4.0) | (4.4)
Total pension and postretirement cost (benefit) | (3.7) | (4.0) | (4.4)
Other Postretirement Benefits Plan [Member] | Multi Employer Plans [Member] |  |  |
Total pension and postretirement cost (benefit) | 0.0 | 0.0 | 0.0
Total pension and postretirement cost (benefit) | $ 0.0 | $ 0.0 | $ 0.0

X
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- Definition Amount of prior service cost (credit) recognized in net periodic benefit cost (credit) of defined benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 17 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480482/715-20-55-17 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 3A -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480535/715-20-45-3A Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 18 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480482/715-20-55-18 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (h)(5) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (a)(5) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-6 + Details
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- Definition Amount of expected return (loss) recognized in net periodic benefit (cost) credit, calculated based on expected long-term rate of return and market-related value of plan assets of defined benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 17 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480482/715-20-55-17 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 3A -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480535/715-20-45-3A Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 18 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480482/715-20-55-18 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (h)(3) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (a)(3) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-6 + Details
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- Definition Amount of cost recognized for passage of time related to defined benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 17 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480482/715-20-55-17 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 3A -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480535/715-20-45-3A Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 18 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480482/715-20-55-18 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (h)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (a)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-6 + Details
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