Receivables - Schedule of Receivables (Details) - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023	Mar. 31, 2023	Dec. 31, 2022
Accounts, Notes, Loans and Financing Receivable [Line Items]
Trade receivables - U.S. government	$ 101.4	$ 67.7
Trade receivables - other	1,349.5	1,160.6
Other receivables	89.5	96.6
Receivables, gross	1,562.9	1,347.5
Less allowance for doubtful accounts	(7.2)	(7.4)	$ (7.1)	$ (6.7)
Receivables, net	1,555.7	1,340.1
Finance Receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables	7.3	7.6
Less allowance for doubtful accounts	(0.1)	(0.1)	$ (0.2)	$ (0.1)
Notes Receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables	$ 15.2	$ 15.0