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RETIREMENT BENEFIT PLANS (Tables)
 9 Months Ended
Sep. 26, 2014
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 26, 2014 and September 27, 2013 is as follows (amounts in thousands):
 
  
Pension Benefits
 
  
Three Months Ended
  
Nine Months Ended
 
  
September
26,
2014
  
September
27,
2013
  
September
26,
2014
  
September
27,
2013
 
Components of net periodic benefit cost:
        
Interest cost
 
$
15
  
$
14
  
$
45
  
$
43
 
Expected return on plan assets
 
$
(15
)
 
$
(14
)
  
(47
)
  
(42
)
Amortization of net loss
 
$
9
  
$
12
   
28
   
35
 
Net periodic benefit cost
 
$
9
  
$
12
  
$
26
  
$
36
 
Other Benefits [Member]
  
RETIREMENT BENEFIT PLANS [Abstract]  
Net Periodic Benefit Cost
  
Other Benefits
 
  
Three Months Ended
  
Nine Months Ended
 
  
September
26,
2014
  
September
 27,
2013
  
September
26,
2014
  
September
27,
2013
 
Components of net periodic benefit cost:
        
Interest cost
 
$
10
  
$
27
  
$
30
  
$
80
 
Amortization of net loss
  
(4
)
  
15
   
(13
)
  
44
 
Net periodic benefit cost
 
$
6
  
$
42
  
$
17
  
$
124