Note A - Description and Origination of Business (Details Textual)	Mar. 31, 2019	Mar. 25, 2018	Mar. 26, 2017	Mar. 27, 2016
Number of States in which Entity Operates	22
Number of Countries in which Entity Operates	14
Entity Operated Units [Member]
Number of Restaurants	4
Franchised Units [Member]
Number of Restaurants	255	276	279	259