Note B - Adoption of New Accounting Pronouncements - Remaining Performance Obligations 2 (Details) $ in Thousands	Sep. 23, 2018 USD ($)
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2018-09-24
Revenue expected to be recognized	$ 163	[1]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2019-04-01
Revenue expected to be recognized	337
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-03-30
Revenue expected to be recognized	329
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-03-29
Revenue expected to be recognized	318
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-03-28
Revenue expected to be recognized	282
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-03-27
Revenue expected to be recognized	2,174
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: (nil)
Revenue expected to be recognized	$ 3,603

[1] Represents franchise fees expected to be recognized for the remainder of the 2019 fiscal year, which includes international development fees expected to be recognized over the duration of one year or less. Amount does not include $242 of franchise fee revenue recognized for the twenty-six weeks ended September 23, 2018.