Property and Equipment (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jan. 01, 2017	Dec. 27, 2015	Jan. 01, 2017	Dec. 27, 2015	Jun. 30, 2016
Property and equipment
Property and equipment, gross	$ 67,923		$ 67,923		$ 66,444
Assets acquired under capital lease	7,115		7,115		5,482
Accumulated depreciation	(24,596)		(24,596)		(23,018)
Accumulated amortization on capital leases	(1,881)		(1,881)		(1,445)
Property and equipment of discontinued operations					(153)
Property and equipment, net	41,446		41,446		41,828
Depreciation expense	1,700	$ 1,500	3,200	$ 3,000
Land
Property and equipment
Property and equipment, gross	1,264		1,264		1,264
Building and improvements
Property and equipment
Property and equipment, gross	17,587		$ 17,587		17,460
Building and improvements | Minimum
Property and equipment
Depreciable Life			7 years
Building and improvements | Maximum
Property and equipment
Depreciable Life			40 years
Machinery and equipment
Property and equipment
Property and equipment, gross	39,582		$ 39,582		39,350
Machinery and equipment | Minimum
Property and equipment
Depreciable Life			3 years
Machinery and equipment | Maximum
Property and equipment
Depreciable Life			12 years
Office furniture and equipment
Property and equipment
Property and equipment, gross	1,257		$ 1,257		1,050
Office furniture and equipment | Minimum
Property and equipment
Depreciable Life			3 years
Office furniture and equipment | Maximum
Property and equipment
Depreciable Life			10 years
Construction-in-process
Property and equipment
Property and equipment, gross	$ 1,118		$ 1,118		$ 1,838