Intangible assets - Schedule of Finite-Lived Intangible Assets (Details) - USD ($) $ in Millions	Sep. 30, 2025	Dec. 31, 2024
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 855.4	$ 855.4
Accumulated Amortization	402.7	353.9
Net Carrying Amount	$ 452.7	501.5
Products
Finite-Lived Intangible Assets [Line Items]
Weighted Average Useful Life in Years	13 years 6 months
Gross Carrying Amount	$ 855.4	855.4
Accumulated Amortization	402.7	353.9
Net Carrying Amount	$ 452.7	$ 501.5