v3.19.1
Restructuring (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 29, 2018
Dec. 30, 2017
Dec. 31, 2016
Restructuring Cost and Reserve [Line Items]      
Restructuring Reserve $ 1,537 $ 0  
Restructuring Charges 8,261    
Payments for Restructuring (1,212)    
Impairment of Long-Lived Assets to be Disposed of 837 $ 1,569 $ 0
Employee Severance [Member]      
Restructuring Cost and Reserve [Line Items]      
Restructuring Charges 2,749    
Facility Consolidation [Member]      
Restructuring Cost and Reserve [Line Items]      
Inventory Write-down 8,694    
Labor and Related Expense 503    
Consulting and Legal fees 314    
Other Restructuring Costs 116    
Proceeds from Sale of Buildings (6,104)    
Exit of certain lines of business [Member]      
Restructuring Cost and Reserve [Line Items]      
Inventory Write-down 1,152    
Impairment of Long-Lived Assets to be Disposed of 837    
Severance Costs $ 2,749