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BENEFIT PLANS
9 Months Ended
Sep. 30, 2015
BENEFIT PLANS [Abstract]  
BENEFIT PLANS
NOTE H:BENEFIT PLANS

The Company provides a qualified defined benefit pension to eligible employees and retirees, other post-retirement health and life insurance benefits to certain retirees, an unfunded supplemental pension plan for certain key executives, and an unfunded stock balance plan for certain of its nonemployee directors.  The Company accrues for the estimated cost of these benefits through charges to expense during the years that employees earn these benefits.  No contributions to the defined benefit pension plan are required or planned for 2015.

The net periodic benefit cost for the three and nine months ended September 30, 2015 and 2014 is as follows:
 
  
Pension Benefits
  
Post-retirement Benefits
 
  
Three Months Ended
September 30,
  
Nine Months Ended
September 30,
  
Three Months Ended
September 30,
  
Nine Months Ended
September 30,
 
(000's omitted)
 
2015
  
2014
  
2015
  
2014
  
2015
  
2014
  
2015
  
2014
 
Service cost
 
$
831
  
$
882
  
$
2,493
  
$
2,647
  
$
0
  
$
0
  
$
0
  
$
0
 
Interest cost
  
1,375
   
1,318
   
4,124
   
3,953
   
22
   
26
   
65
   
76
 
Expected return on plan assets
  
(3,042
)
  
(2,980
)
  
(9,127
)
  
(8,941
)
  
0
   
0
   
0
   
0
 
Amortization of unrecognized net loss
  
366
   
(77
)
  
1,099
   
(230
)
  
(3
)
  
(2
)
  
(10
)
  
(5
)
Amortization of prior service cost
  
2
   
1
   
6
   
4
   
(45
)
  
(45
)
  
(134
)
  
(134
)
Net periodic benefit income
 
(468
)
 
(856
)
 
(1,405
)
 
(2,567
)
 
(26
)
 
(21
)
 
(79
)
 
(63
)