Condensed Consolidated Statements of Comprehensive Income (unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Statement of Comprehensive Income [Abstract]
Net earnings	$ 367.9	$ 347.2	$ 1,087.0	$ 995.2
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	35.4	(50.1)	15.4	10.2
Total other comprehensive income (loss), net of tax	35.4	(50.1)	15.4	10.2
Comprehensive income	$ 403.3	$ 297.1	$ 1,102.4	$ 1,005.4