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BENEFIT PLANS: (Tables)
3 Months Ended
Mar. 31, 2019
Post retirement defined benefit plans and defined contribution plan  
Components of net periodic benefit costs  
Schedule of the components of net periodic benefit costs

 

The components of net periodic benefit costs for the three months ended March 31, 2019 and 2018 are as follows (in millions):

 

 

 

 

 

 

 

 

 

    

2019

    

2018

Service cost

 

$

0.3

 

$

0.3

Interest cost

 

 

0.4

 

 

0.4

Expected return on plan assets

 

 

(0.8)

 

 

(0.9)

Amortization of net actuarial loss

 

 

(*)

 

 

(*)

Amortization of net loss/(gain)

 

 

(*)

 

 

(*)

Net periodic benefit costs

 

$

(0.1)

 

$

(0.2)

 

Post-retirement Health care plans  
Components of net periodic benefit costs  
Schedule of the components of net periodic benefit costs

 

The components of net periodic benefit cost for the three months ended March 31, 2019 and 2018 are as follows (in millions):

 

 

 

 

 

 

 

 

 

    

2019

    

2018

Interest cost

 

$

0.2

 

$

0.2

Amortization of net loss (gain)

 

 

(*)

 

 

(*)

Amortization of prior service cost (credit)

 

 

(*)

 

 

(*)

Net periodic benefit cost

 

$

0.2

 

$

0.2


(*) amount is lower than $0.1 million