Property, Plant and Equipment, Net - Property, Plant and Equipment Components (Details) - USD ($) $ in Thousands	Mar. 26, 2017	Jun. 26, 2016
Property Plant And Equipment [Line Items]
Gross property, plant and equipment	$ 816,345	$ 790,646
Less: accumulated depreciation	(610,780)	(602,839)
Less: accumulated amortization – capital leases	(4,049)	(2,706)
Total PP&E	201,516	185,101
Land [Member]
Property Plant And Equipment [Line Items]
Gross property, plant and equipment	2,965	3,154
Land Improvements [Member]
Property Plant And Equipment [Line Items]
Gross property, plant and equipment	15,047	13,734
Building and Building Improvements [Member]
Property Plant And Equipment [Line Items]
Gross property, plant and equipment	150,624	145,633
Assets Held under Capital Leases [Member]
Property Plant And Equipment [Line Items]
Gross property, plant and equipment	34,287	21,525
Machinery and Equipment [Member]
Property Plant And Equipment [Line Items]
Gross property, plant and equipment	574,662	544,369
Computers, Software and Office Equipment [Member]
Property Plant And Equipment [Line Items]
Gross property, plant and equipment	17,921	17,823
Transportation Equipment [Member]
Property Plant And Equipment [Line Items]
Gross property, plant and equipment	4,780	4,713
Asset under Construction [Member]
Property Plant And Equipment [Line Items]
Gross property, plant and equipment	$ 16,059	$ 39,695