Condensed Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ (7.0)	$ 10.4	$ (0.9)	$ 47.1
Other comprehensive income (loss), net of income tax
Unrealized gain (loss) on derivatives, net of income tax provision of $0.0, $0.0, $0.0 and $0.0, respectively	1.4	(4.6)	(0.5)	(10.4)
Employee pension and postretirement benefit expense, net of income tax provision of $0.0, $0.0, $0.0 and $0.0, respectively	(0.5)	(0.3)	(0.4)	(2.2)
Foreign currency translation adjustments, net of income tax benefit (provision) of $0.0, ($0.2), $0.9, and $0.7, respectively	19.0	(14.1)	6.7	(0.4)
Total other comprehensive income (loss), net of income tax	19.9	(19.0)	5.8	(13.0)
Comprehensive income (loss)	$ 12.9	$ (8.6)	$ 4.9	$ 34.1