Financing and Trade Receivables - Schedule of Accounts, Notes, Loans and Financing Receivable (Details) - USD ($) $ in Millions	Mar. 31, 2023	Dec. 31, 2022
Gross current financing receivables:
Current financing receivables, gross	$ 120.2	$ 115.0
Allowance for credit losses:
Total allowance for credit losses	22.2	19.6
Net current financing receivables:
Total current financing receivables, net	98.0	95.4
Gross long-term financing receivables:
Long-term financing receivables, gross	290.7	287.5
Total allowance for credit losses	36.9	37.7
Total long-term financing receivables, net	253.8	249.8
PSAs
Gross current financing receivables:
Current financing receivables, gross	98.8	96.6
Allowance for credit losses:
Total allowance for credit losses	16.1	13.1
Net current financing receivables:
Total current financing receivables, net	82.7	83.5
Gross long-term financing receivables:
Long-term financing receivables, gross	229.4	224.0
Total allowance for credit losses	30.7	32.4
Total long-term financing receivables, net	198.7	191.6
Franchisee Notes
Gross current financing receivables:
Current financing receivables, gross	21.4	18.4
Allowance for credit losses:
Total allowance for credit losses	6.1	6.5
Net current financing receivables:
Total current financing receivables, net	15.3	11.9
Gross long-term financing receivables:
Long-term financing receivables, gross	61.3	63.5
Total allowance for credit losses	6.2	5.3
Total long-term financing receivables, net	$ 55.1	$ 58.2