Employee Benefit Plans (Table Text Block)

12 Months Ended

Mar. 31, 2024

Table Text Block [Abstract]

Summary Of Financing Arrangements for Leveraged ESOP Debt

	Years Ended March 31,
	2024		2023
	(In thousands)
Allocated shares - Voting Common Stock		777		836
Allocated shares - Non-Voting Common Stock		7,778		7,821

Shares Held by the ESOP Plan

The components of net periodic post retirement benefit cost were as follows:

		Years Ended March 31,
		2024				2023			2022
		(In thousands)
Service cost for benefits earned during the period	$		1,188		$		1,326	$		1,401
Other components of net periodic benefit costs:
Interest cost on accumulated postretirement benefit			1,469				1,148			908
Other components			(11	)			68			212
Total other components of net periodic benefit costs			1,458				1,216			1,120
Net periodic postretirement benefit cost	$		2,646		$		2,542	$		2,521

Components of Net Periodic Post Retirement Benefit Cost

		Years Ended March 31,
		2024				2023
		(In thousands)
Beginning of year	$		28,770		$		30,206
Service cost for benefits earned during the period			1,188				1,326
Interest cost on accumulated post retirement benefit			1,469				1,148
Net benefit payments and expense			(1,240	)			(1,207	)
Actuarial gain			(1,861	)			(2,703	)
Accumulated postretirement benefit obligation			28,326				28,770
Current liabilities			1,741				1,625
Non-current liabilities			26,585				27,145
Total post retirement benefit liability recognized in statement of financial position			28,326				28,770
Components included in accumulated other comprehensive income (loss):
Unrecognized net loss			1,385				(465	)
Cumulative net periodic benefit cost (in excess of employer contribution)	$		29,711		$		28,305

Components of Post Retirement Benefit Liabilities

	Years Ended March 31,
	2024			2023			2022
	(In percentages)
Accumulated postretirement benefit obligation		5.34	%		5.08	%		3.76	%

Discount Rate Assumptions for Accumulated Postretirement Benefit Obligations

		Future Net Benefit Payments
		(In thousands)
Year-ended:
2025	$		1,741
2026			1,977
2027			2,238
2028			2,467
2029			2,706
2030 Through 2034			14,121
Total	$		25,250