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Employee Benefit Plans - Pension Plans Narrative (Details) $ in Millions	12 Months Ended
	Dec. 31, 2022 USD ($) pensionPlan	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Defined Benefit Plan Disclosure [Line Items]
Number of defined benefit plans | pensionPlan	2
Fair value of plan assets	$ 270.3	$ 438.2
Benefit obligation	339.9	524.3
Items not yet recognized as net periodic pension cost (benefit)	127.7	119.9
Loss on plan obligations	159.3	22.1
Net gains due to plan experience	(19.1)
Accumulated benefit obligations exceed plan assets	329.5	510.6
Accumulated benefit obligations and the fair value of plan assets	270.3	438.2
Net periodic pension benefit	3.4	8.9	$ 0.0
Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	221.1	411.1
Benefit obligation	247.1	437.5
Unfunded status of plan	$ (26.0)	$ (26.4)

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Defined Benefit Plan, Benefit Obligation, Actuarial Gain (Loss) Due to Plan Experience

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Amount of gain (loss) from change in actuarial assumptions which (increases) decreases benefit obligation of defined benefit plan. Assumptions include, but are not limited to, interest, mortality, employee turnover, salary, and temporary deviation from substantive plan.

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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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Amount of funded (unfunded) status of defined benefit plan, measured as difference between fair value of plan assets and benefit obligation. Includes, but is not limited to, overfunded (underfunded) status.

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