Supplemental Consolidated Cash and Cash Flow Information (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024	Dec. 31, 2023
Supplemental Cash Flow Elements [Abstract]
Cash	$ 29.0		$ 33.1
Restricted cash	1.3		5.0
Total cash and restricted cash reported in the Consolidated Balance Sheets	30.3	$ 20.4	$ 38.1	$ 29.7
Interest	8.6	11.0
Income taxes	$ 0.9	$ 0.0