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Note 6. RETIREMENT BENEFIT PLANS (Tables)
3 Months Ended 6 Months Ended
Jun. 27, 2014
Jun. 27, 2014
Compensation and Retirement Disclosure [Abstract]    
Pension and Other Postretirement Plans, Policy [Policy Text Block]  
 
 
Pension Benefits
 
 
 
Three Months Ended
   
Six Months Ended
 
 
 
June 27,
   
June 28,
   
June 27,
   
June 28,
 
 
 
2014
   
2013
   
2014
   
2013
 
Components of net periodic benefit cost:
 
   
   
   
 
Interest cost
 
$
16
   
$
15
   
$
30
   
$
29
 
Expected return on plan assets
   
(17
)
   
(14
)
   
(32
)
   
(28
)
Amortization of net loss
   
10
     
11
     
19
     
23
 
Net periodic benefit cost
 
$
9
   
$
12
   
$
17
   
$
24
 
Pension and Other Postretirement Plans, Nonpension Benefits, Policy [Policy Text Block]
 
 
Other Benefits
 
 
 
Three Months Ended
   
Six Months Ended
 
 
 
June 27,
   
June 28,
   
June 27,
   
June 28,
 
 
 
2014
   
2013
   
2014
   
2013
 
Components of net periodic benefit cost:
 
   
   
   
 
Interest cost
 
$
10
   
$
27
   
$
20
   
$
53
 
Amortization of net loss
   
(4
)
   
14
     
(9
)
   
29
 
Net periodic benefit cost
 
$
6
   
$
41
   
$
11
   
$
82