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Fair Value of Financial Instruments - Other Investments - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025	Dec. 31, 2025
Other Equity Method Investments
Fair Value, Financial Instruments Measured on a Non-Recurring Basis [Line Items]
Equity contributions			$ 0.0	$ 0.0
Subcontracting Arrangements \| Related Party
Fair Value, Financial Instruments Measured on a Non-Recurring Basis [Line Items]
Operating costs and expenses	$ 0.4	$ 0.6	0.9	$ 2.0
Accounts payable	0.1		0.1		$ 0.3
Employee Leasing and Advanced Receivable Arrangement \| Related Party
Fair Value, Financial Instruments Measured on a Non-Recurring Basis [Line Items]
Accounts receivable, after allowance for credit loss	$ 0.2		$ 0.2		$ 4.0