Leases - Supplemental cash flows (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Leases [Abstract]
Cash paid for amounts included in the measurement of operating lease liabilities (included within cash flows from operating activities)	$ 39.6	$ 41.4	$ 22.5
Right-of-use assets obtained in exchange for operating lease liabilities	$ 59.1	$ 188.1	$ 31.9