Note I - Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Sep. 29, 2018	Sep. 30, 2017
Deferred tax assets
Vacation accrual	$ 1,254	$ 1,740
Capital loss carry forwards	960	1,668
Insurance accrual	2,480	3,225
Deferred income	638	927
Allowances	1,585	1,991
Inventory capitalization	1,051	1,235
Share-based compensation	1,368	1,607
Net Operating Loss	856	1,559
Total deferred tax assets	10,192	13,952
Valuation allowance	(960)	(1,668)
Total deferred tax assets, net	9,232	12,284
Deferred tax liabilities
Amortization of goodwill and other intangible assets	25,565	35,043
Depreciation of property and equipment	35,989	39,946
Total deferred tax liabilities	61,554	74,989
Total deferred tax liabilities, net	$ 52,322	$ 62,705