Supplemental Consolidated Cash and Cash Flow Information (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021	Dec. 31, 2020
Supplemental Cash Flow Elements [Abstract]
Cash	$ 49.2		$ 133.0
Restricted cash	0.9		0.7
Total cash and restricted cash reported in the Consolidated Balance Sheets	50.1	$ 29.4	$ 133.7	$ 22.3
Interest	7.1	6.8
Income taxes	$ 5.3	$ 13.4