Financing and Trade Receivables - Financing Receivable, Allowance for Credit Loss (Details) $ in Millions	6 Months Ended
	Jun. 30, 2023 USD ($)
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for credit losses, beginning of year	$ 57.3
Provision for credit losses	16.2
Write-offs	(21.6)
Recoveries of amounts previously charged off	1.4
Allowance for credit losses, end of period	53.3
PSAs
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for credit losses, beginning of year	45.5
Provision for credit losses	16.3
Write-offs	(20.2)
Recoveries of amounts previously charged off	1.1
Allowance for credit losses, end of period	42.7
Franchisee Notes
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for credit losses, beginning of year	11.8
Provision for credit losses	(0.1)
Write-offs	(1.4)
Recoveries of amounts previously charged off	0.3
Allowance for credit losses, end of period	$ 10.6