Note 7 - Property, Plant and Equipment, Net (Details) - Property, Plant and Equipment, Net - USD ($) $ in Thousands	Sep. 27, 2015	Jun. 28, 2015
Property, Plant and Equipment [Line Items]
Gross property, plant and equipment	$ 739,303	$ 732,205
Less: accumulated depreciation	(588,700)	(595,094)
Less: accumulated amortization – capital leases	(1,328)	(889)
Total property, plant and equipment, net	149,275	136,222
Land [Member]
Property, Plant and Equipment [Line Items]
Gross property, plant and equipment	3,048	2,413
Land Improvements [Member]
Property, Plant and Equipment [Line Items]
Gross property, plant and equipment	11,687	11,709
Building and Building Improvements [Member]
Property, Plant and Equipment [Line Items]
Gross property, plant and equipment	141,680	141,259
Assets Held under Capital Leases [Member]
Property, Plant and Equipment [Line Items]
Gross property, plant and equipment	21,525	17,371
Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Gross property, plant and equipment	525,280	531,225
Computer Software And Office Equipment [Member]
Property, Plant and Equipment [Line Items]
Gross property, plant and equipment	16,578	16,782
Transportation Equipment [Member]
Property, Plant and Equipment [Line Items]
Gross property, plant and equipment	4,558	4,736
Asset under Construction [Member]
Property, Plant and Equipment [Line Items]
Gross property, plant and equipment	$ 14,947	$ 6,710