CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Statement of Comprehensive Income [Abstract]
Net income	$ 671.8	$ 587.1	$ 480.5
Foreign currency translation	(137.5)	(9.3)	0.0
Unrealized loss on available-for-sale debt securities, net of tax	(1.5)	(0.1)	0.0
Comprehensive income	$ 532.8	$ 577.7	$ 480.5