Financing and Trade Receivables - Schedule of Accounts, Notes, Loans and Financing Receivable (Details) - USD ($) $ in Millions	Sep. 26, 2025	Dec. 31, 2024
Gross current financing receivables:
Current financing receivables, gross	$ 124.7	$ 124.0
Allowance for credit losses:
Total allowance for credit losses	19.3	19.0
Net current financing receivables:
Total current financing receivables, net	105.4	105.0
Gross long-term financing receivables:
Long-term financing receivables, gross	302.6	316.4
Allowance for credit losses:
Total allowance for credit losses	31.7	32.2
Net long-term financing receivables:
Total long-term financing receivables, net	270.9	284.2
PSAs
Gross current financing receivables:
Current financing receivables, gross	96.7	98.6
Allowance for credit losses:
Total allowance for credit losses	10.5	11.0
Net current financing receivables:
Total current financing receivables, net	86.2	87.6
Gross long-term financing receivables:
Long-term financing receivables, gross	241.3	253.6
Allowance for credit losses:
Total allowance for credit losses	26.6	27.2
Net long-term financing receivables:
Total long-term financing receivables, net	214.7	226.4
Franchisee Notes
Gross current financing receivables:
Current financing receivables, gross	28.0	25.4
Allowance for credit losses:
Total allowance for credit losses	8.8	8.0
Net current financing receivables:
Total current financing receivables, net	19.2	17.4
Gross long-term financing receivables:
Long-term financing receivables, gross	61.3	62.8
Allowance for credit losses:
Total allowance for credit losses	5.1	5.0
Net long-term financing receivables:
Total long-term financing receivables, net	$ 56.2	$ 57.8