Condensed Consolidated Statements of Comprehensive Income (unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Statement of Comprehensive Income [Abstract]
Net earnings	$ 283.1	$ 2,020.5
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	24.1	(22.9)
Total other comprehensive income (loss), net of tax	24.1	(22.9)
Comprehensive income	$ 307.2	$ 1,997.6