Discontinued Operations - Additional Information (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2016	Dec. 30, 2015	Dec. 29, 2017	Dec. 30, 2016
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Lease abandonment	$ 600
Inventory charges	$ 2,000
Accrued Liabilities [Member]
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Future minimum lease payments			$ 300
Kingston, New York Facility
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Additional expense, fixed asset and long-lived asset impairments		$ 3,200
Future minimum lease payments			$ 255	$ 360