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Employee Benefit Plans (Tables)
9 Months Ended
Sep. 28, 2013
Employee Benefit Plans [Abstract]  
Components of net periodic benefit cost and assumptions used
The components of the net periodic benefit cost for the pension benefits and other benefits plans are as follows:

 
 
Three Months Ended
  
Three Months Ended
 
 
 
September 28, 2013
  
September 29, 2012
 
(In thousands)
 
Pension
Benefits
  
Other
Benefits
  
Pension
Benefits
  
Other
Benefits
 
 
 
  
  
  
 
Components of Net Periodic Benefit Cost:
 
  
  
  
 
Service cost
 
$
245
  
$
54
  
$
243
  
$
34
 
Interest cost
  
289
   
69
   
331
   
56
 
Expected return on plan assets
  
(375
)
  
(13
)
  
(407
)
  
 
Recognized net actuarial loss
  
127
   
23
   
160
   
8
 
Amortization of prior service cost
  
14
   
21
   
14
   
6
 
Net periodic benefit cost
 
$
300
  
$
154
  
$
341
  
$
104
 
 
                
The weighted average assumptions used to determine net periodic benefit cost are as follows:
     
 
                
Discount rate
  
3.89
%
  
3.90
%
  
4.28
%
  
4.43
%
Expected long-term return on plan assets
  
5.75
%
  
   
6.25
%
  
 
Rate of compensation increase
  
3.50
%
  
3.65
%
  
4.00
%
  
3.45
%

 
 
Nine Months Ended
  
Nine Months Ended
 
 
 
September 28, 2013
  
September 29, 2012
 
(In thousands)
 
Pension
Benefits
  
Other
Benefits
  
Pension
Benefits
  
Other
Benefits
 
 
 
  
  
  
 
Components of Net Periodic Benefit Cost:
 
  
  
  
 
Service cost
 
$
744
  
$
160
  
$
748
  
$
107
 
Interest cost
  
873
   
208
   
982
   
171
 
Expected return on plan assets
  
(1,128
)
  
(39
)
  
(1,208
)
  
 
Recognized net actuarial loss
  
393
   
66
   
474
   
25
 
Amortization of prior service cost
  
42
   
63
   
42
   
17
 
Net periodic benefit cost
 
$
924
  
$
458
  
$
1,038
  
$
320
 
 
                
The weighted average assumptions used to determine net periodic benefit cost are as follows:
     
 
                
Discount rate
  
3.89
%
  
3.92
%
  
4.28
%
  
4.43
%
Expected long-term return on plan assets
  
5.75
%
  
   
6.25
%
  
 
Rate of compensation increase
  
3.50
%
  
3.66
%
  
4.00
%
  
3.46
%