Financing and Trade Receivables - Schedule Of Allowance For Credit Losses (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of year	$ 65.9	$ 66.8
Provision for credit losses	26.2	29.1
Write-offs	(37.1)	(33.1)
Recoveries of amounts previously charged off	2.3	3.1
Balances at end of period	57.3	65.9
PSAs
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of year	54.1	54.3
Provision for credit losses	21.5	24.9
Write-offs	(32.2)	(27.5)
Recoveries of amounts previously charged off	2.1	2.4
Balances at end of period	45.5	54.1
Franchisee Notes
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of year	11.8	12.5
Provision for credit losses	4.7	4.2
Write-offs	(4.9)	(5.6)
Recoveries of amounts previously charged off	0.2	0.7
Balances at end of period	$ 11.8	$ 11.8