Revenue Recognition (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Performance Obligation, Description of Timing			The expected duration of the performance obligation is less than one year.
Maximum [Member]
Expected duration of performance obligation			1 year
Contracts and contract liabilities duration period			1 year
Opening [Member]
Contract liability	$ 1.1	$ 1.0	$ 1.3	$ 0.5