Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Statement of Comprehensive Income [Abstract]
Net earnings	$ 298.0	$ 287.1	$ 593.1	$ 556.7
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments (net of tax of $0.0 in 2023 and 2022)	3.6	(26.0)	7.9	(23.7)
Comprehensive income	$ 301.6	$ 261.1	$ 601.0	$ 533.0