Employee Benefit Plans (Table Text Block)

3 Months Ended

Jun. 30, 2017

Compensation and Retirement Disclosure [Abstract]

Components of Net Periodic Post Retirement Benefit Cost

		Quarter Ended June 30,
		2017		2016
		(Unaudited)
		(In thousands)
Service cost for benefits earned during the period	$	268	$	256
Interest cost on accumulated postretirement benefit		217		204
Other components		15		22
Net periodic postretirement benefit cost	$	500	$	482