Note 6 - Other Property, Plant and Equipment Costs and Expenses (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 27, 2015	Dec. 28, 2014	Dec. 27, 2015	Dec. 28, 2014
Depreciation expense	$ 3,756	$ 3,829	$ 7,598	$ 7,691
Repairs and maintenance expenses	$ 4,005	$ 4,290	$ 8,501	$ 8,948