CONSOLIDATED AND COMBINED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Statement of Comprehensive Income [Abstract]
Net income	$ 188.3	$ 204.9	$ 178.0
Components of other comprehensive income (loss), net of tax
Currency translation adjustment	18.1	(69.2)	(46.1)
Changes in pension and postretirement plan assets and benefit obligation, net of tax	(5.2)	10.0	7.3
Other comprehensive income (loss), net of tax	12.9	(59.2)	(38.8)
Comprehensive income attributable to common shareholders	$ 201.2	$ 145.7	$ 139.2