Condensed Consolidated Statements of Comprehensive Income (Loss) (Parenthetical) (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]
Unrealized gain (loss) on derivatives, net of income tax (provision)	$ (0.8)	$ 0.0	$ (1.6)	$ 0.0
Employee pension and postretirement benefit income (expense), net of income tax provision	0.0	0.0	0.0	0.0
Foreign currency translation adjustments, net of income tax (provision) benefit	$ (4.0)	$ 0.3	$ (6.7)	$ 0.9