Revenues (Contract Assets and Liabilities) (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2022	Dec. 31, 2021
Revenue Recognition [Abstract]
Contract Assets (Non-current)	$ 1.1	$ 1.1	$ 1.3
Contract liabilities	11.9	11.9	10.7
Contract liabilities	203.7	203.7	$ 187.1
Contract with Customer, Liability, Revenue Recognized	$ 3.7	$ 7.2