Note 6 - Property, Plant and Equipment Components (Details) - USD ($) $ in Thousands	Mar. 27, 2016	Jun. 28, 2015
Land [Member]
Gross property, plant and equipment	$ 3,100	$ 2,413
Land Improvements [Member]
Gross property, plant and equipment	12,019	11,709
Building and Building Improvements [Member]
Gross property, plant and equipment	143,742	141,259
Assets Held under Capital Leases [Member]
Gross property, plant and equipment	21,525	17,371
Machinery and Equipment [Member]
Gross property, plant and equipment	534,462	531,225
Computers, Software and Office Equipment [Member]
Gross property, plant and equipment	17,372	16,782
Transportation Equipment [Member]
Gross property, plant and equipment	4,651	4,736
Asset under Construction [Member]
Gross property, plant and equipment	31,787	6,710
Gross property, plant and equipment	768,658	732,205
Less: accumulated depreciation	(597,437)	(595,094)
Less: accumulated amortization – capital leases	(2,246)	(889)
Total property, plant and equipment, net	$ 168,975	$ 136,222