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Employee Benefit Plans - Schedule of Plan Assets Using the Fair Value Hierarchy (Details) - USD ($) $ in Millions		Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		$ 112.0	$ 164.8
Net Asset Value ("NAV")
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	[1]	101.9	150.8
Quoted Prices in Active Markets for Identical Assets (Level 1)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		0.9	0.7
Significant Other Observable Inputs (Level 2)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		0.7	0.7
Unobservable Inputs (Level 3)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		8.5	12.6
U.S. equity
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		16.9	32.7
U.S. equity | Net Asset Value ("NAV")
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	[1]	16.9	32.7
U.S. equity | Quoted Prices in Active Markets for Identical Assets (Level 1)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		0.0	0.0
U.S. equity | Significant Other Observable Inputs (Level 2)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		0.0	0.0
U.S. equity | Unobservable Inputs (Level 3)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		0.0	0.0
International equity
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		27.8	31.9
International equity | Net Asset Value ("NAV")
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	[1]	27.8	31.9
International equity | Quoted Prices in Active Markets for Identical Assets (Level 1)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		0.0	0.0
International equity | Significant Other Observable Inputs (Level 2)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		0.0	0.0
International equity | Unobservable Inputs (Level 3)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		0.0	0.0
Corporate bonds and notes
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		18.5	27.1
Corporate bonds and notes | Net Asset Value ("NAV")
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	[1]	18.5	27.1
Corporate bonds and notes | Quoted Prices in Active Markets for Identical Assets (Level 1)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		0.0	0.0
Corporate bonds and notes | Significant Other Observable Inputs (Level 2)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		0.0	0.0
Corporate bonds and notes | Unobservable Inputs (Level 3)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		0.0	0.0
Government and agency bonds
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		25.4	34.7
Government and agency bonds | Net Asset Value ("NAV")
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	[1]	25.4	34.7
Government and agency bonds | Quoted Prices in Active Markets for Identical Assets (Level 1)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		0.0	0.0
Government and agency bonds | Significant Other Observable Inputs (Level 2)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		0.0	0.0
Government and agency bonds | Unobservable Inputs (Level 3)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		0.0	0.0
Commingled funds
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		8.6	18.9
Commingled funds | Net Asset Value ("NAV")
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	[1]	8.6	18.9
Commingled funds | Quoted Prices in Active Markets for Identical Assets (Level 1)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		0.0	0.0
Commingled funds | Significant Other Observable Inputs (Level 2)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		0.0	0.0
Commingled funds | Unobservable Inputs (Level 3)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		0.0	0.0
International fixed income
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		1.9	2.2
International fixed income | Net Asset Value ("NAV")
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	[1]	1.9	2.2
International fixed income | Quoted Prices in Active Markets for Identical Assets (Level 1)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		0.0	0.0
International fixed income | Significant Other Observable Inputs (Level 2)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		0.0	0.0
International fixed income | Unobservable Inputs (Level 3)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		0.0	0.0
Cash and cash equivalents
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		0.9	0.7
Cash and cash equivalents | Net Asset Value ("NAV")
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	[1]	0.0	0.0
Cash and cash equivalents | Quoted Prices in Active Markets for Identical Assets (Level 1)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		0.9	0.7
Cash and cash equivalents | Significant Other Observable Inputs (Level 2)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		0.0	0.0
Cash and cash equivalents | Unobservable Inputs (Level 3)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		0.0	0.0
Money market funds
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		0.7	0.7
Money market funds | Net Asset Value ("NAV")
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	[1]	0.0	0.0
Money market funds | Quoted Prices in Active Markets for Identical Assets (Level 1)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		0.0	0.0
Money market funds | Significant Other Observable Inputs (Level 2)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		0.7	0.7
Money market funds | Unobservable Inputs (Level 3)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		0.0	0.0
Insurance Group Annuity Contracts
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		8.5	12.6	$ 12.9
Insurance Group Annuity Contracts | Net Asset Value ("NAV")
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	[1]	0.0	0.0
Insurance Group Annuity Contracts | Quoted Prices in Active Markets for Identical Assets (Level 1)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		0.0	0.0
Insurance Group Annuity Contracts | Significant Other Observable Inputs (Level 2)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		0.0	0.0
Insurance Group Annuity Contracts | Unobservable Inputs (Level 3)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		8.5	12.6
Other
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		2.8	3.3
Other | Net Asset Value ("NAV")
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	[1]	2.8	3.3
Other | Quoted Prices in Active Markets for Identical Assets (Level 1)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		0.0	0.0
Other | Significant Other Observable Inputs (Level 2)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		0.0	0.0
Other | Unobservable Inputs (Level 3)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		$ 0.0	$ 0.0
[1] Certain assets that are measured at fair value using the NAV per share practical expedient have not been classified in the fair value hierarchy.

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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.

+ References

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