Other Current Assets - Schedule of other current assets (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Other Assets [Abstract]
Unbilled and notes receivable	$ 83.9	$ 60.8
Income and other taxes receivable	45.9	61.8
Prepaid expenses	26.7	24.3
Deposits with vendors	28.8	19.0
Interest rate cross-currency swap agreements	12.0	14.8
Other assets	18.3	12.8
Other current assets	$ 215.6	$ 193.5