Retirement Plans - Amount Recognized on Consolidated and Combined Balance Sheets (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Defined Benefit Plan Disclosure [Line Items]
Pension and other postretirement benefits plan liabilities	$ (42.9)	$ (40.6)
Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Accrued benefit cost (included in accrued liabilities)	(1.8)	(1.8)
Pension and other postretirement benefits plan liabilities	(41.8)	(39.1)
Net liabilities	(43.6)	(40.9)
Other Postretirement Benefit Plan
Defined Benefit Plan Disclosure [Line Items]
Accrued benefit cost (included in accrued liabilities)	(0.1)	(0.1)
Pension and other postretirement benefits plan liabilities	(1.1)	(1.5)
Net liabilities	$ (1.2)	$ (1.6)