Quarterly report pursuant to Section 13 or 15(d)

Discontinued Operations - Summary of Discontinued Operations (Details)

v3.10.0.1
Discontinued Operations - Summary of Discontinued Operations (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 29, 2018
Sep. 30, 2017
Sep. 29, 2018
Sep. 30, 2017
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Loss from operations and disposal of discontinued AutoMD operations [1] $ 0 $ 0 $ 0 $ (558)
Income tax provision [1] 0 0 0 1
Loss on discontinued operations [1] $ 0 0 $ 0 (559)
AutoMD | Discontinued Operations, Disposed of by Means Other than Sale        
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Net Sales   0   37
Loss from operations and disposal of discontinued AutoMD operations   0   (558)
Income tax provision   0   1
Loss on discontinued operations   $ 0   $ (559)
[1] During March 2017, AutoMD filed for dissolution and the AutoMD operating segment has been classified as discontinued operations.