Note B - Summary of Significant Accounting Policies - Significant Changes in Deferred Franchise Fees (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 28, 2021	Mar. 29, 2020
Deferred franchise fees at beginning of period	$ 1,917	$ 3,005
New deferrals due to cash received and other	140	157
Revenue recognized during the period	(284)	(1,245)
Deferred franchise fees at end of period	$ 1,773	$ 1,917