Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Statement of Comprehensive Income [Abstract]
Net earnings	$ 295.5	$ 284.6	$ 888.6	$ 841.3
Other comprehensive loss, net of tax:
Foreign currency translation adjustments (net of tax of $0.0 in 2023 and 2022)	(14.6)	(32.7)	(6.7)	(56.4)
Comprehensive income	$ 280.9	$ 251.9	$ 881.9	$ 784.9