Property, Plant and Equipment, Net - PP&E Net Components (Details) - USD ($) $ in Thousands	Jun. 25, 2017	Jun. 26, 2016
Property Plant And Equipment [Line Items]
Gross property, plant and equipment	$ 820,420	$ 790,646
Less: accumulated depreciation	(612,355)	(602,839)
Less: accumulated amortization – capital leases	(4,677)	(2,706)
Total property, plant and equipment, net	203,388	185,101
Land [Member]
Property Plant And Equipment [Line Items]
Gross property, plant and equipment	2,931	3,154
Land Improvements [Member]
Property Plant And Equipment [Line Items]
Gross property, plant and equipment	15,066	13,734
Buildings and Improvements [Member]
Property Plant And Equipment [Line Items]
Gross property, plant and equipment	157,115	145,633
Assets under Capital Leases [Member]
Property Plant And Equipment [Line Items]
Gross property, plant and equipment	34,568	21,525
Machinery and Equipment [Member]
Property Plant And Equipment [Line Items]
Gross property, plant and equipment	579,211	544,369
Computers, Software and Office Equipment [Member]
Property Plant And Equipment [Line Items]
Gross property, plant and equipment	19,360	17,823
Transportation Equipment [Member]
Property Plant And Equipment [Line Items]
Gross property, plant and equipment	4,798	4,713
Construction in Progress [Member]
Property Plant And Equipment [Line Items]
Gross property, plant and equipment	$ 7,371	$ 39,695