Supplementary Data Other Expense, Net (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Other Expense, Net [Abstract]
Net losses on sales of businesses	$ 2.1	$ (2.6)	$ (4.7)	$ (6.8)
Other Expense, Net, Other	3.3	1.8	6.0	4.3
Other Expense, Net	$ (1.2)	$ (4.4)	$ (10.7)	$ (11.1)