Property and Equipment (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2017	Jan. 01, 2017	Dec. 31, 2017	Jan. 01, 2017	Jun. 30, 2017
Property and equipment
Property and equipment, gross	$ 71,884		$ 71,884		$ 71,081
Assets acquired under capital lease	7,274		7,274		7,235
Accumulated depreciation	(29,678)		(29,678)		(27,201)
Accumulated amortization on capital leases	(2,789)		(2,789)		(2,350)
Property and equipment of discontinued operations					(181)
Property and equipment, net	39,417		39,417		41,349
Depreciation expense	1,700	$ 1,700	3,400	$ 3,200
Land
Property and equipment
Property and equipment, gross	1,264		1,264		1,264
Building and improvements
Property and equipment
Property and equipment, gross	18,210		$ 18,210		18,125
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	41,871		$ 41,871		40,715
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	1,249		$ 1,249		1,280
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	$ 2,016		$ 2,016		$ 2,462