CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ (1.4)	$ 7.8
Foreign currency translation adjustment	17.6	(9.2)
Pension and other postretirement benefits:
Amortization of loss, net of tax	0.1	0.1
Other comprehensive income (loss)	17.7	(9.1)
Comprehensive income (loss)	$ 16.3	$ (1.3)