Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Statement of Comprehensive Income [Abstract]
Net earnings	$ 284.6	$ 243.5	$ 841.3	$ 693.8
Other comprehensive loss, net of tax:
Foreign currency translation adjustments (net of tax of $0.0 in 2022 and 2021)	(32.7)	(10.8)	(56.4)	(8.4)
Comprehensive income	$ 251.9	$ 232.7	$ 784.9	$ 685.4