Other Charges , Net Other Charges, Net (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Other Income and Expenses [Abstract]
Non-service pension costs (benefits)	$ 1.9	$ 4.2	$ 3.7	$ 8.5