Note I - Income Taxes - Income Tax Expense (Benefit) (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 29, 2018	Sep. 30, 2017	Sep. 24, 2016
Current
U.S. Federal	$ 16,591	$ 27,142	$ 25,126
Foreign	2,512	2,770	2,433
State	5,836	5,227	5,622
Total current expense	24,939	35,139	33,181
Deferred
U.S. Federal	(14,613)	6,857	6,444
Foreign	514	(422)	(145)
State	3,716	1,452	1,364
Total deferred benefit	(10,383)	7,887	7,663
Total expense	$ 14,556	$ 43,026	$ 40,844