Receivables - Schedule of Receivables (Details) - USD ($) $ in Millions	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020
Receivables [Abstract]
Trade receivables - U.S. government	$ 230.9		$ 140.7
Trade receivables - other	944.5		797.5
Finance receivables	6.5		8.0
Other receivables	49.2		40.0
Receivables, gross	1,231.1		986.2
Less allowance for doubtful accounts	(6.4)	$ (5.9)	(4.2)	$ (4.7)	$ (5.7)	$ (5.8)
Receivables, net	$ 1,224.7		$ 982.0