Note C - Revenues - Significant Changes in Deferred Franchise Fees (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 28, 2026		Jun. 29, 2025
Franchise [Member]
Deferred franchise fees at beginning of period	$ 701		$ 1,006
New deferrals due to cash received and other	28		40
Revenue recognized during the period	(54)		(128)
Deferred franchise fees at end of period	675		918
License Royalties and Advertising Fund [Member]
Deferred franchise fees at beginning of period	1,315	[1]	1,392
New deferrals due to cash received and other	0		0
Revenue recognized during the period	(707)		(645)
Deferred franchise fees at end of period	$ 608	[1]	$ 747

[1] Includes $358 of deferred license royalties and $250 of deferred advertising fund revenue as of June 28, 2026 and $815 of deferred license royalties and $500 of deferred advertising fund revenue as of March 29, 2026.