Summary of Significant Accounting Policies, Revenue Recognition (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Contract Liabilities - Customer Loyalty Programs [Abstract]
Contract liabilities for customer loyalty programs	$ 17.7		$ 17.7		$ 22.0
Contract liabilities, increase (decrease) to revenue	$ 0.7	$ (0.7)	$ 4.3	$ (6.3)