Financing and Trade Receivables - Financing Receivable, Allowance for Credit Loss (Details) $ in Millions	9 Months Ended
	Sep. 26, 2025 USD ($)
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for credit losses, beginning of year	$ 51.2
Provision for credit losses	36.4
Write-offs	(38.0)
Recoveries of amounts previously charged off	1.4
Allowance for credit losses, end of period	51.0
PSAs
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for credit losses, beginning of year	38.2
Provision for credit losses	30.2
Write-offs	(32.5)
Recoveries of amounts previously charged off	1.2
Allowance for credit losses, end of period	37.1
Franchisee Notes
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for credit losses, beginning of year	13.0
Provision for credit losses	6.2
Write-offs	(5.5)
Recoveries of amounts previously charged off	0.2
Allowance for credit losses, end of period	$ 13.9