Note I - Income Taxes - Income Tax Expense (Benefit) (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 28, 2019	Sep. 29, 2018	Sep. 30, 2017
Current
U.S. Federal	$ 14,078	$ 16,591	$ 27,142
Foreign	2,111	2,512	2,770
State	5,971	5,836	5,227
Total current expense	22,160	24,939	35,139
Deferred
U.S. Federal	6,285	(14,613)	6,857
Foreign	849	514	(422)
State	2,464	3,716	1,452
Total deferred benefit	9,598	(10,383)	7,887
Total expense	$ 31,758	$ 14,556	$ 43,026