Financing and Trade Receivables - Schedule Of Allowance For Credit Losses (Details) - USD ($) $ in Millions	6 Months Ended	12 Months Ended
	Jul. 01, 2022	Dec. 31, 2021
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for credit losses, beginning of year	$ 65.9	$ 66.8
Provision for credit losses	14.6	29.1
Write-offs	(19.4)	(33.1)
Recoveries of amounts previously charged off	1.0	3.1
Allowance for credit losses, end of period	62.1	65.9
PSAs
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for credit losses, beginning of year	54.1	54.3
Provision for credit losses	12.3	24.9
Write-offs	(16.5)	(27.5)
Recoveries of amounts previously charged off	1.0	2.4
Allowance for credit losses, end of period	50.9	54.1
Franchisee Notes
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for credit losses, beginning of year	11.8	12.5
Provision for credit losses	2.3	4.2
Write-offs	(2.9)	(5.6)
Recoveries of amounts previously charged off	0.0	0.7
Allowance for credit losses, end of period	$ 11.2	$ 11.8