Cash, Cash Equivalents and Restricted Cash - Schedule of Current Restricted Cash (Details) - USD ($) $ in Millions	Mar. 31, 2022	Dec. 31, 2021
Restricted Cash and Cash Equivalents Items [Line Items]
Total current restricted cash	$ 47.2	$ 47.5
Securitized debt reserves
Restricted Cash and Cash Equivalents Items [Line Items]
Total current restricted cash	30.6	29.9
Applebee's advertising funds | Applebee's
Restricted Cash and Cash Equivalents Items [Line Items]
Total current restricted cash	16.5	17.5
Other
Restricted Cash and Cash Equivalents Items [Line Items]
Total current restricted cash	$ 0.1	$ 0.1