Financial Instruments - Schedule of Estimated Fair Values of Financial Instruments Based on Valuation Models (Details) - USD ($) $ in Millions	Sep. 30, 2024	Dec. 31, 2023
5.000% Senior Unsecured Notes | Unsecured Debt
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Interest rate on debt instrument (as a percent)	5.00%	5.00%
Carrying amount | Long-Term Debt
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair value disclosure of debt instrument	$ 455.5	$ 454.9
Carrying amount | Revolving facility
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair value disclosure of debt instrument	133.0	25.0
Carrying amount | Term Loans
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair value disclosure of debt instrument	3,069.4	3,065.3
Fair value | Long-Term Debt
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair value disclosure of debt instrument	455.9	420.3
Fair value | Revolving facility
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair value disclosure of debt instrument	123.5	24.6
Fair value | Term Loans
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair value disclosure of debt instrument	$ 2,872.8	$ 3,003.9