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Employee Benefit Plans
9 Months Ended
Dec. 31, 2017
Compensation and Retirement Disclosure [Abstract]  
14. Employee Benefit Plans

The components of the net periodic benefit costs with respect to postretirement benefits were as follows:

 

 

Quarter Ended December 31,

 

 

2017

 

2016

 

 

(Unaudited)

 

 

(In thousands)

 

 

 

 

 

Service cost for benefits earned during the period

$

269

$ 

256

Interest cost on accumulated postretirement benefit

 

218

 

204

Other components

 

13

 

22

Net periodic postretirement benefit cost

$

500

$ 

482

 

 

 

Nine Months Ended December 31,

 

 

2017

 

2016

 

 

(Unaudited)

 

 

(In thousands)

 

 

 

 

 

Service cost for benefits earned during the period

$

805

$ 

769

Interest cost on accumulated postretirement benefit

 

652

 

611

Other components

 

43

 

66

Net periodic postretirement benefit cost

$

1,500

$ 

1,446