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Employee Benefit Plans - Fair Value Measurements (Details) - Quoted Prices in Active Markets for Identical Assets (Level 1) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Defined Benefit Plans
Fair value of plan assets	$ 58.2	$ 114.8
Cash
Defined Benefit Plans
Fair value of plan assets	4.7	0.5
U.S. treasury bonds
Defined Benefit Plans
Fair value of plan assets	$ 6.4	21.8
Equity mutual funds
Defined Benefit Plans
Target allocation percentage of investments	12.00%
Fair value of plan assets	$ 5.6	13.1
Fixed income mutual funds
Defined Benefit Plans
Target allocation percentage of investments	88.00%
Fair value of plan assets	$ 41.5	$ 79.4

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Amount of asset segregated and restricted to provide benefit under defined benefit plan. Asset includes, but is not limited to, stock, bond, other investment, earning from investment, and contribution by employer and employee.

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Percentage of target investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan.

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