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RETIREMENT BENEFIT PLANS (Tables)
 9 Months Ended
Sep. 25, 2015
Other Benefits [Member]  
RETIREMENT BENEFIT PLANS [Abstract]  
Net Periodic Benefit Cost
  
Other Benefits
 
  
Three Months Ended
  
Nine Months Ended
 
  
September 25,
2015
  
September 26,
2014
  
September 25,
2015
  
September 26,
2014
 
Components of net periodic benefit cost:
        
Interest cost
 
$
12
  
$
10
  
$
37
  
$
30
 
Amortization of net loss
  
8
   
(4
)
  
25
   
(13
)
Net periodic benefit cost
 
$
20
  
$
6
  
$
62
  
$
17
 
Pension Benefits [Member]  
RETIREMENT BENEFIT PLANS [Abstract]  
Net Periodic Benefit Cost
Information regarding the Company’s net periodic benefit cost for pension and other postretirement benefit plans for the three and nine months ended September 25, 2015 and September 26, 2014 is as follows (amounts in thousands):

  
Pension Benefits
 
  
Three Months Ended
  
Nine Months Ended
 
  
September 25,
2015
  
September 26,
2014
  
September 25,
2015
  
September 26,
2014
 
Components of net periodic benefit cost:
        
Interest cost
 
$
15
  
$
15
  
$
44
  
$
45
 
Expected return on plan assets
  
(16
)
  
(15
)
  
(49
)
  
(47
)
Amortization of net loss
  
13
   
9
   
37
   
28
 
Net periodic benefit cost
 
$
12
  
$
9
  
$
32
  
$
26