Equity - Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Dec. 31, 2022
Schedule of accumulated other comprehensive loss
Balance at the beginning of the period	$ (86.3)
Current-period change	(0.2)
Balance at the end of the period	(86.5)
Deferred tax assets in accumulated other comprehensive loss, pension liabilities	1.3	$ 1.3
Foreign Currency Translation (Loss) Gain
Schedule of accumulated other comprehensive loss
Balance at the beginning of the period	(84.0)
Current-period change	0.6
Balance at the end of the period	(83.4)
Pension and Postretirement Benefit Plan Adjustments, Net of Tax
Schedule of accumulated other comprehensive loss
Balance at the beginning of the period	(2.3)
Current-period change	(0.8)
Balance at the end of the period	$ (3.1)