CONSOLIDATED AND COMBINED CONDENSED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (UNAUDITED) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Statement of Comprehensive Income [Abstract]
Net income attributable to common shareholders	$ 51.9	$ 44.6	$ 138.8	$ 142.9
Components of other comprehensive loss, net of tax
Currency translation adjustment	(21.1)	(60.7)	(19.3)	(122.9)
Changes in pension and postretirement plan assets and benefit obligation, net of tax	(0.5)	0.0	(1.5)	(0.4)
Other comprehensive loss, net of tax	(21.6)	(60.7)	(20.8)	(123.3)
Comprehensive income (loss) attributable to common shareholders	$ 30.3	$ (16.1)	$ 118.0	$ 19.6