XML 28 R30.htm IDEA: XBRL DOCUMENT v3.19.3
Note 12 - Guarantees (Tables)
 9 Months Ended
Sep. 28, 2019
Notes Tables  
Schedule of Product Warranty Liability [Table Text Block]
   
Three Months Ended
    
Nine Months Ended
  
   
September 28,
    
September 29,
    
September 28,
    
September 29,
  
   
2019
    
2018
    
2019
    
2018
  
Balance at beginning of period
   $
6,852
     $
4,948
     $
8,014
     $
4,848
  
Warranty expense accruals
    
1,137
      
1,600
      
4,695
      
4,988
  
Warranty payments
    
(2,071
 )    
(1,946
 )    
(6,791
 )    
(5,234
 )
Balance at end of period
   $
5,918
     $
4,602
     $
5,918
     $
4,602