UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Statement of Comprehensive Income [Abstract]
Net loss from continuing operations	$ (189.4)	$ (42.5)	$ (354.3)	$ (196.5)
Net unrealized gain on cash flow hedges, net of tax	0.9	0.0	2.0	0.0
Comprehensive loss from continuing operations, net of tax	(188.5)	(42.5)	(352.3)	(196.5)
Net income from discontinued operations	0.0	0.0	0.0	1.0
Comprehensive loss	$ (188.5)	$ (42.5)	$ (352.3)	$ (195.5)