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Pensions and Other Postretirement Benefits (Details 6) - Defined Benefit Pension Plans - USD ($) $ in Millions | Apr. 30, 2025 | Apr. 30, 2024
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Additional information related to the Company's defined benefit pension plans |  |
Accumulated benefit obligation for all pension plans | $ 331.7 | $ 345.2
Plans with an accumulated benefit obligation in excess of plan assets: |  |
Accumulated benefit obligation | 267.7 | 276.7
Fair value of plan assets | 195.8 | 205.3
Plans with a projected benefit obligation in excess of plan assets: |  |
Projected benefit obligation | 267.7 | 276.7
Fair value of plan assets | $ 195.8 | $ 205.3

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- Definition Amount of actuarial present value of benefits attributed to employee service rendered, excluding assumptions about future compensation level. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 + Details
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