Quarterly report pursuant to Section 13 or 15(d)

Restructuring Restructuring (Details)

v3.10.0.1
Restructuring Restructuring (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 29, 2018
Sep. 29, 2018
Sep. 30, 2017
Restructuring Cost and Reserve [Line Items]      
Asset Impairment Charges   $ 832 $ 0
Canada Restructuring [Member]      
Restructuring Cost and Reserve [Line Items]      
Labor and Related Expense $ 243 334  
Consulting and Legal fees 87 242  
Other Restructuring Costs 6 11  
Inventory Write-down 1,152 1,152  
Asset Impairment Charges 796 796  
Severance Costs 239 239  
Restructuring Charges $ 2,523 $ 2,774