CONSOLIDATED AND COMBINED CONDENSED STATEMENTS OF COMPREHENSIVE INCOME (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 attributable to common shareholders	$ 47.1	$ 51.9	$ 126.5	$ 138.8
Components of other comprehensive income (loss), net of tax
Currency translation adjustment	42.2	(21.1)	6.9	(19.3)
Changes in pension and postretirement plan assets and benefit obligation, net of tax	(3.0)	(0.5)	(3.9)	(1.5)
Other comprehensive income (loss), net of tax	39.2	(21.6)	3.0	(20.8)
Comprehensive income attributable to common shareholders	$ 86.3	$ 30.3	$ 129.5	$ 118.0