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Employee Benefit Plans - Schedule of Pension Plans with a Benefit Obligation in Excess of Plan Assets (Details) - USD ($) $ in Millions | Sep. 30, 2025 | Sep. 30, 2024
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Plans with projected and accumulated benefit obligations in excess of plan assets |  |
Plans with projected and accumulated benefit obligation in excess of plan assets, benefit obligation | $ 1,074.4 | $ 1,146.0
Plans with projected and accumulated benefit obligation in excess of plan assets, plan assets | $ 900.6 | $ 984.1

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- References No definition available. + Details
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- Definition Defined Benefit Plan, Pension Plan With Projected And Accumulated Benefit Obligation In Excess Of Plan Assets, Accumulated Benefit Obligation + References No definition available. + Details
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- Definition Defined Benefit Plan, Pension Plan With Projected And Accumulated Benefit Obligation In Excess Of Plan Assets, Plan Assets + References No definition available. + Details
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Balance Type: | debit
Period Type: | instant