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 income (loss)	$ 161.3	$ 154.8	$ 339.9	$ 385.1
Other comprehensive income (loss):
Foreign currency translation adjustment	(2.5)	(6.6)	(0.2)	(8.2)
Unrealized gain (loss) due to change in fair value of derivative financial instruments, net of tax	3.5	3.5	8.6	13.9
Derivative financial instruments reclassified to earnings, net of tax	(0.8)	0.0	(1.8)	0.0
Total other comprehensive income (loss)	0.2	(3.1)	6.6	5.7
Comprehensive income (loss)	$ 161.5	$ 151.7	$ 346.5	$ 390.8