Revenue (Estimated Future Franchise Fees) (Details) $ in Thousands	Sep. 29, 2019 USD ($)
Revenue from Contract with Customer [Abstract]
Remaining performance obligations	$ 46,273
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2019-09-30
Revenue from Contract with Customer [Abstract]
Remaining performance obligations	4,978
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-09-28
Revenue from Contract with Customer [Abstract]
Remaining performance obligations	4,880
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-10-04
Revenue from Contract with Customer [Abstract]
Remaining performance obligations	4,681
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-10-03
Revenue from Contract with Customer [Abstract]
Remaining performance obligations	4,527
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-10-02
Revenue from Contract with Customer [Abstract]
Remaining performance obligations	4,334
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-09-30
Revenue from Contract with Customer [Abstract]
Remaining performance obligations	$ 22,873