Financing and Trade Receivables - Financing Receivable, Allowance for Credit Loss (Details) $ in Millions	3 Months Ended
	Mar. 31, 2023 USD ($)
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for credit losses, beginning of year	$ 57.3
Provision for credit losses	8.8
Write-offs	(7.6)
Recoveries of amounts previously charged off	0.6
Allowance for credit losses, end of period	59.1
PSAs
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for credit losses, beginning of year	45.5
Provision for credit losses	7.6
Write-offs	(6.8)
Recoveries of amounts previously charged off	0.5
Allowance for credit losses, end of period	46.8
Franchisee Notes
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for credit losses, beginning of year	11.8
Provision for credit losses	1.2
Write-offs	(0.8)
Recoveries of amounts previously charged off	0.1
Allowance for credit losses, end of period	$ 12.3