Note B - Summary of Franchise Openings and Closings for the Nathan's Franchise Restaurant System (Details)	Mar. 27, 2016	Mar. 29, 2015	Mar. 30, 2014
Franchised Restaurants Operating Beginning of Period [Member]
Restaurants	296	324	303
New Franchised Restaurants Opened During Period [Member]
Restaurants	56	36	56
Franchised Restaurants Closed During Period [Member]
Restaurants	(93)	(64)	(35)
Franchised Restaurants Operating End of Period [Member]
Restaurants	259	296	324