Condensed Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ (146.5)	$ (283.7)	$ (126.0)	$ (339.7)
Foreign currency adjustments:
Foreign currency translation adjustment	29.5	(2.6)	46.7	(11.7)
Total foreign currency adjustments, net of tax provision (benefit) of zero for all periods	29.5	(2.6)	46.7	(11.7)
Derivative instruments:
Unrealized gain (loss), net of tax provision (benefit) of $(0.4), zero, $(0.4) and $(0.1)	(1.4)	0.1	(1.3)	(0.2)
Reclassifications of deferred derivative instruments (gain) loss, included in net income (loss), net of tax (provision) benefit of zero, $0.2, $0.1 and $0.4	0.1	0.6	0.2	1.1
Total derivative instruments, net of tax provision (benefit) of $(0.4), $0.2, $(0.3) and $0.3	(1.3)	0.7	(1.1)	0.9
Other comprehensive income (loss), net of tax provision (benefit) of $(0.4), $0.2, $(0.3) and $0.3	28.2	(1.9)	45.6	(10.8)
Comprehensive income (loss)	$ (118.3)	$ (285.6)	$ (80.4)	$ (350.5)