CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Statement of Comprehensive Income [Abstract]
Net earnings	$ 1,152.6	$ 949.7	$ 1,767.9
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	(36.1)	65.8	30.5
Total other comprehensive income (loss), net of tax	(36.1)	65.8	30.5
Comprehensive income	$ 1,116.5	$ 1,015.5	$ 1,798.4