Condensed Consolidated Statements of Comprehensive Income (Loss) (Parenthetical) (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Statement of Comprehensive Income [Abstract]
Unrealized gain (loss) on derivatives, net of income tax provision (benefit)	$ (0.7)	$ 0.0	$ 0.9	$ 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	$ (0.1)	$ 0.0	$ 6.6	$ (0.9)