Note A - Description and Organization of Business (Details Textual)	Mar. 25, 2018	Mar. 26, 2017	Mar. 27, 2016	Mar. 29, 2015
Number of States in which Entity Operates	20
Number of Countries in which Entity Operates	12
Entity Operated Units [Member]
Number of Restaurants	5
Franchised Units [Member]
Number of Restaurants	276	279	259	296