Summary of Significant Accounting Policies, Contract Liabilities - Customer Loyalty Programs (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
Contract Liabilities - Customer Loyalty Programs [Abstract]
Contract liabilities for customer loyalty programs	$ 7.3		$ 7.3		$ 7.8
Contract liabilities, increase to revenue	$ 0.1	$ 0.3	$ 0.5	$ 1.1