Employee Benefit Plans (Table Text Block)

3 Months Ended

6 Months Ended

Sep. 30, 2024

Sep. 30, 2024

Compensation and Retirement Disclosure [Abstract]

Components of Net Periodic Post Retirement Benefit Cost

	Quarter ended September 30,
	2024			2023
	(Unaudited)
	(In thousands)
Service cost for benefits earned during the period	$	246		$	297
Other components of net periodic benefit costs:
Interest cost on accumulated postretirement benefit		375			368
Other components		(3	)		(4	)
Total other components of net periodic benefit costs		372			364
Net periodic postretirement benefit cost	$	618		$	661

	Six months ended September 30,
	2024			2023
	(Unaudited)
	(In thousands)
Service cost for benefits earned during the period	$	491		$	594
Other components of net periodic benefit costs:
Interest cost on accumulated postretirement benefit		750			735
Other components		(6	)		(6	)
Total other components of net periodic benefit costs		744			729
Net periodic postretirement benefit cost	$	1,235		$	1,323