Other Expenses and Income (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Other Income and Expenses [Abstract]
Foreign currency transaction gain (loss), before tax	$ (0.9)	$ (0.5)	$ 1.3
Investment loss, net	(0.9)	(0.3)	0.0
Curtailment and settlement (loss) gain on pension and postretirement benefits, net	0.0	(4.7)	0.5
Gain on disposal of subsidiary	0.0	0.0	1.6
Other, net	0.2	0.0	0.5
Total	$ (1.6)	$ (5.5)	$ 3.9