Note D - Revenues - Significant Changes in Deferred Franchise Fees (Details) - USD ($) $ in Thousands	6 Months Ended
	Sep. 26, 2021	Sep. 27, 2020
Deferred franchise fees at beginning of period	$ 1,773	$ 1,917
Additions to deferred revenue	583	65
Revenue recognized during the period	(237)	(148)
Deferred franchise fees at end of period	$ 2,119	$ 1,834