Employee Benefit Plans

3 Months Ended

Jun. 30, 2018

Compensation and Retirement Disclosure [Abstract]

13. Employee Benefit Plans

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

		Quarter Ended June 30,
		2018		2017
		(Unaudited)
		(In thousands)
Service cost for benefits earned during the period	$	277	$	268
Other components of net periodic benefit costs:
Interest cost on accumulated postretirement benefit		236		217
Other components		17		15
Total other components of net periodic benefit costs		253		232
Net periodic postretirement benefit cost	$	530	$	500