CONSOLIDATED AND COMBINED CONDENSED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Statement of Comprehensive Income [Abstract]
Net income attributable to common shareholders	$ 37.8	$ 43.7
Components of other comprehensive (loss) income, net of tax
Currency translation adjustment	(26.7)	4.9
Changes in pension and postretirement plan assets and benefit obligation, net of tax	(0.4)	(0.5)
Other comprehensive (loss) income, net of tax	(27.1)	4.4
Comprehensive income attributable to common shareholders	$ 10.7	$ 48.1