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Employee Benefit Plans - Schedule of Benefit Obligations in Excess of Plan Fair Value (Details) - USD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021 | Sep. 30, 2021
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Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets [Abstract] |  |  |
Projected benefit obligation | $ 316.0 | $ 571.6 | $ 565.7
Accumulated benefit obligation | 310.8 | 562.0 | 555.7
Fair value of plan assets | $ 275.4 | $ 489.9 | $ 475.4

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