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Note 16 - Employee Benefit Plans (Tables)
9 Months Ended
Oct. 04, 2020
Notes Tables  
Schedule of Net Benefit Costs [Table Text Block]
   
Three Months Ended
   
Nine
Months Ended
 
   
October 4
,
   
September
29
,
   
October 4
,
   
September
29
,
 
   
20
20
   
201
9
   
20
20
   
201
9
 
   
(Unaudited)
   
(Unaudited)
 
                                 
Service cost
  $
1
    $
1
    $
3
    $
3
 
Interest cost on projected benefit obligation
   
271
     
352
     
813
     
1,056
 
Net amortizations, deferrals and other costs
   
158
     
167
     
474
     
500
 
Expected return on plan assets
   
(228
)
   
(271
)
   
(684
)
   
(813
)
Net periodic benefit cost
  $
202
    $
249
    $
606
    $
746
 
Net Periodic Benefit Cost Recognized in Income Statement [Table Text Block]
   
Three Months Ended
   
Nine
Months Ended
 
   
October 4
,
   
September
29
,
   
October 4
,
   
September
29
,
 
   
20
20
   
20
19
   
20
20
   
201
9
 
   
(Unaudited)
   
(Unaudited)
 
Service cost:
                               
Selling, general and administrative expenses
  $
1
    $
1
    $
3
    $
3
 
Other net periodic benefit costs:
                               
Other expense (income), net
   
201
     
248
     
603
     
743
 
Total
  $
202
    $
249
    $
606
    $
746