Employee Benefit Plans - Schedule of Plan Assets Using the Fair Value Hierarchy (Details) - USD ($) $ in Millions		Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		$ 113.5	$ 112.0
Net Asset Value ("NAV")
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	[1]	104.4	101.9
Quoted Prices in Active Markets for Identical Assets (Level 1)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		1.7	0.9
Significant Other Observable Inputs (Level 2)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		0.0	0.7
Unobservable Inputs (Level 3)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		7.4	8.5
U.S. equity
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		21.7	16.9
U.S. equity | Net Asset Value ("NAV")
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	[1]	21.7	16.9
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		22.1	27.8
International equity | Net Asset Value ("NAV")
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	[1]	22.1	27.8
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		16.6	18.5
Corporate bonds and notes | Net Asset Value ("NAV")
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	[1]	16.6	18.5
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		25.5	25.4
Government and agency bonds | Net Asset Value ("NAV")
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	[1]	25.5	25.4
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		11.1	8.6
Commingled funds | Net Asset Value ("NAV")
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	[1]	11.1	8.6
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		4.7	1.9
International fixed income | Net Asset Value ("NAV")
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	[1]	4.7	1.9
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		1.0	0.9
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		1.0	0.9
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		0.7	0.0
Money market funds | Significant Other Observable Inputs (Level 2)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		0.0	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		7.4	8.5	$ 12.6
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		7.4	8.5
Other
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		2.7	2.8
Other | Net Asset Value ("NAV")
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	[1]	2.7	2.8
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.