Supplemental Consolidated Cash and Cash Flow Information (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023	Dec. 31, 2022
Supplemental Cash Flow Elements [Abstract]
Cash	$ 39.4		$ 29.0
Restricted cash	0.4		0.7
Total cash and restricted cash reported in the Consolidated Balance Sheets	39.8	$ 34.5	$ 29.7	$ 42.8
Interest	25.1	18.3
Income taxes	$ 20.1	$ 14.8