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BENEFIT PLANS: (Tables)
 6 Months Ended
Jun. 30, 2015
Post retirement defined benefit plan  
Components of net periodic benefit costs  
Schedule of the components of net periodic benefit costs

 

 

The components of the net periodic benefit costs for the six months ended June 30, 2015 and 2014 are as follows (in millions):

 

 

2015

 

2014

 

Service cost

 

$
0.5

 

$
0.6

 

Interest cost

 
0.5

 
0.7

 

Expected return on plan assets

 
(1.6

)
(1.8

)

Amortization of transition obligation

 
(0.2

)
(0.2

)

Amortization of net loss/(gain)

 
0.2

 

(*

)

 

 

 

 

 

 

Net periodic benefit costs

 

$
(0.6

)

$
(0.7

)

 

 

 

 

 

 

 

 

 

 

(*) amount is lower than $0.1 million

 

Post-retirement Health Care Plan  
Components of net periodic benefit costs  
Schedule of the components of net periodic benefit costs

 

 

The components of the net periodic benefit cost for the six months ended June 30, 2015 and 2014 are as follows (in millions):

 

 

2015

 

2014

 

Interest cost

 

$
0.6

 

$
0.7

 

Amortization of net loss (gain)

 
(0.1

)
(0.2

)

Amortization of prior service cost (credit)

 

(*

)

(*

)

 

 

 

 

 

 

 

 

 

 

 

 

Net periodic benefit cost

 

$
0.5

 

$
0.5

 

 

 

(*) amount is lower than $0.1 million