Note D - Revenues - Significant Changes in Deferred Franchise Fees (Details) - USD ($) $ in Thousands	6 Months Ended
	Sep. 27, 2020	Sep. 29, 2019
Deferred franchise fees at beginning of period	$ 1,917	$ 3,005
Additions to deferred revenue	65	59
Revenue recognized during the period	(148)	(548)
Deferred franchise fees at end of period	$ 1,834	$ 2,516