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Note 5 - Exit and Disposal Activities (Tables)
9 Months Ended
Oct. 01, 2017
Notes Tables  
Restructuring and Related Costs [Table Text Block]
   
 
 
 
 
Recognize
d
   
Remainin
g
 
   
Tota
l
   
as o
f
   
Costs to b
e
 
   
Progra
m
   
Oct. 1, 201
7
   
Recognize
d
 
Severance and benefit-related cost
s
  $
1,444
    $
1,444
    $
0
 
Asset impairment
s
   
188
     
188
     
0
 
Equipment relocation cost
s
   
3,011
     
1,218
     
1,793
 
Othe
r
   
763
     
30
     
733
 
    $
5,406
    $
2,880
    $
2,526
 
Schedule of Restructuring Reserve by Type of Cost [Table Text Block]
   
Accrue
d
   
 
 
 
 
Cas
h
   
Accrued
 
   
Balance a
t
   
 
 
 
 
Payment
s
   
Balance a
t
 
   
Dec. 31
,
   
201
7
   
or Asse
t
   
Oct. 1
,
 
   
201
6
   
Charg
e
   
Write-Off
s
   
201
7
 
Severance and benefit-related cost
s
  $
427
    $
1,017
    $
(1,038
)   $
406
 
Equipment relocation cost
s
   
0
     
1,218
     
(1,218
)    
0
 
    $
427
    $
2,235
    $
(2,256
)   $
406
 
Disposal Groups, Including Discontinued Operations [Table Text Block]
   
October 1
,
   
December 31
,
 
   
201
7
   
201
6
 
   
(Unaudited
)
         
Machinery, equipment, furniture and fixture
s
  $
7,216
    $
6,673
 
Accumulated depreciatio
n
   
(6,332
)    
(5,841
)
Property, plant and equipment, net
  $
884
    $
832