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Subsequent Events (Details) $ / shares in Units, $ in Millions |  |  | 3 Months Ended | 4 Months Ended
--- | --- | --- | --- | ---
Feb. 18, 2022 $ / shares | Feb. 11, 2022 USD ($) | Apr. 17, 2022 restaurant | Jan. 23, 2022 restaurant $ / shares | Jan. 17, 2021 restaurant $ / shares
Subsequent Event [Line Items] |  |  |  |  |
Cash dividend (in USD per share) | $ / shares |  |  |  | $ 0.44 | $ 0.40
Number of restaurants acquired from franchisees | restaurant |  |  |  | 4 | 4
Subsequent Event |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Cash dividend (in USD per share) | $ / shares | $ 0.44 |  |  |  |
Number of restaurants acquired from franchisees | restaurant |  |  | 9 |  |
Subsequent Event | Series 2022-1 Class A-2-I Notes | Senior Notes |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Debt instrument, face amount |  | $ 550.0 |  |  |
Stated interest rate |  | 3.445% |  |  |
Subsequent Event | Series 2022-1 Class A-2-II Notes | Senior Notes |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Debt instrument, face amount |  | $ 550.0 |  |  |
Stated interest rate |  | 4.136% |  |  |
Subsequent Event | Series 2019-1 Class A-2-I Notes | Senior Notes |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Extinguishment of debt |  | $ 570.7 |  |  |
Subsequent Event | Series 2022-1 Class A-1 Notes | Senior Notes | Forecast |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Debt instrument, face amount |  | 150.0 |  |  |
Subsequent Event | Series 2019-1 Class A-1 Notes | Senior Notes | Forecast |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Extinguishment of debt |  | $ 150.0 |  |  |

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