Summary of Significant Accounting Policies - Franchise and Development Fees (Details) $ in Thousands	Sep. 28, 2025 USD ($)
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue remaining performance obligation amount	$ 447
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-09-29
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue remaining performance obloigation expected timing of satisfaction, Period	9 months
Revenue remaining performance obligation amount	$ 51
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-06-29
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue remaining performance obloigation expected timing of satisfaction, Period	12 months
Revenue remaining performance obligation amount	$ 60
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2027-06-28
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue remaining performance obloigation expected timing of satisfaction, Period	12 months
Revenue remaining performance obligation amount	$ 53
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2028-06-26
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue remaining performance obloigation expected timing of satisfaction, Period	12 months
Revenue remaining performance obligation amount	$ 51
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2029-06-25
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue remaining performance obloigation expected timing of satisfaction, Period	12 months
Revenue remaining performance obligation amount	$ 40
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2030-06-24
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue remaining performance obloigation expected timing of satisfaction, Period	12 months
Revenue remaining performance obligation amount	$ 194