Property, Plant and Equipment, Net - Property, Plant and Equipment Components (Details) - USD ($) $ in Thousands	Dec. 25, 2016	Jun. 26, 2016
Property Plant And Equipment [Line Items]
Gross property, plant and equipment	$ 807,800	$ 790,646
Less: accumulated depreciation	(606,650)	(602,839)
Less: accumulated amortization – capital leases	(3,622)	(2,706)
Total PP&E	197,528	185,101
Land [Member]
Property Plant And Equipment [Line Items]
Gross property, plant and equipment	2,940	3,154
Land Improvements [Member]
Property Plant And Equipment [Line Items]
Gross property, plant and equipment	14,390	13,734
Building and Building Improvements [Member]
Property Plant And Equipment [Line Items]
Gross property, plant and equipment	147,420	145,633
Assets Held under Capital Leases [Member]
Property Plant And Equipment [Line Items]
Gross property, plant and equipment	21,525	21,525
Machinery and Equipment [Member]
Property Plant And Equipment [Line Items]
Gross property, plant and equipment	569,402	544,369
Computers, Software and Office Equipment [Member]
Property Plant And Equipment [Line Items]
Gross property, plant and equipment	18,171	17,823
Transportation Equipment [Member]
Property Plant And Equipment [Line Items]
Gross property, plant and equipment	4,739	4,713
Asset under Construction [Member]
Property Plant And Equipment [Line Items]
Gross property, plant and equipment	$ 29,213	$ 39,695