Summary of Significant Accounting Policies, Revenue Recognition (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Contract Liabilities - Customer Loyalty Programs [Abstract]
Contract liabilities for customer loyalty programs	$ 12.7		$ 12.7		$ 18.7
Contract liabilities, increase to revenue	$ 4.7	$ 2.4	$ 6.0	$ 3.6