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v3.23.4

Note 13 - Pension and Postretirement Benefits - Schedule of Projected Benefit Obligation, Accumulated Benefit Obligation, and Fair Value of Plan Assets (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Nov. 26, 2023 | Nov. 27, 2022 | Nov. 26, 2023 | Nov. 27, 2022
Pension Plan [Member] |  |  |  |
Service cost | $ 1.4 | $ 1.7 | $ 2.9 | $ 3.3
Interest cost | 36.7 | 31.0 | 73.4 | 62.0
Expected return on plan assets | (35.8) | (36.4) | (71.6) | (72.9)
Amortization of prior service cost | 0.4 | 0.3 | 0.8 | 0.7
Total pension and postretirement cost (benefit) | 5.4 | (0.6) | 10.3 | (1.9)
Total pension and postretirement cost (benefit) | 5.4 | (0.6) | 10.3 | (1.9)
Total pension and postretirement cost (benefit) | 5.4 | (0.6) | 10.3 | (1.9)
Pension Plan [Member] | Company Plans [Member] |  |  |  |
Total pension and postretirement cost (benefit) | 2.7 | (3.4) | 5.5 | (6.9)
Total pension and postretirement cost (benefit) | 2.7 | (3.4) | 5.5 | (6.9)
Total pension and postretirement cost (benefit) | 2.7 | (3.4) | 5.5 | (6.9)
Pension Plan [Member] | Multi Employer Plans [Member] |  |  |  |
Total pension and postretirement cost (benefit) | 2.7 | 2.8 | 4.8 | 5.0
Total pension and postretirement cost (benefit) | 2.7 | 2.8 | 4.8 | 5.0
Total pension and postretirement cost (benefit) | 2.7 | 2.8 | 4.8 | 5.0
Other Postretirement Benefits Plan [Member] |  |  |  |
Service cost | 0.1 | 0.1 | 0.1 | 0.1
Interest cost | 0.7 | 0.6 | 1.3 | 1.1
Amortization of prior service cost | (0.4) | (0.5) | (0.8) | (0.9)
Total pension and postretirement cost (benefit) | (0.8) | (0.9) | (1.8) | (1.9)
Total pension and postretirement cost (benefit) | (0.8) | (0.9) | (1.8) | (1.9)
Total pension and postretirement cost (benefit) | (0.8) | (0.9) | (1.8) | (1.9)
Recognized net actuarial gain | $ (1.2) | $ (1.1) | $ (2.4) | $ (2.2)

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- Definition Amount of gain (loss) 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)(4) -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)(4) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-6 + Details
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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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