Revenue (Estimated Future Franchise Fees) (Details) $ in Thousands	Oct. 03, 2021 USD ($)
Revenue from Contract with Customer [Abstract]
Remaining performance obligations	$ 40,432
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-10-04
Revenue from Contract with Customer [Abstract]
Remaining performance obligations	4,842
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-10-03
Revenue from Contract with Customer [Abstract]
Remaining performance obligations	4,690
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-10-02
Revenue from Contract with Customer [Abstract]
Remaining performance obligations	4,502
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-09-30
Revenue from Contract with Customer [Abstract]
Remaining performance obligations	4,274
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-09-28
Revenue from Contract with Customer [Abstract]
Remaining performance obligations	3,953
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-09-27
Revenue from Contract with Customer [Abstract]
Remaining performance obligations	$ 18,171