Equity - Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2024	Dec. 31, 2023
Schedule of accumulated other comprehensive loss
Balance at the beginning of the year	$ (76.7)
Current-period change	(6.4)
Balance at the end of the period	(83.1)
Deferred tax assets in accumulated other comprehensive loss, pension liabilities	0.7	$ 0.7
Foreign Currency Translation Loss
Schedule of accumulated other comprehensive loss
Balance at the beginning of the year	(75.7)
Current-period change	(3.8)
Balance at the end of the period	(79.5)
Pension and Postretirement Benefit Plan Adjustments, Net of Tax
Schedule of accumulated other comprehensive loss
Balance at the beginning of the year	(1.0)
Current-period change	(2.6)
Balance at the end of the period	$ (3.6)