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Employee Benefit Plans (Table Text Block) | 3 Months Ended | 9 Months Ended
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Dec. 31, 2021 | Dec. 31, 2021
Compensation and Retirement Disclosure [Abstract] |  |
Components of Net Periodic Post Retirement Benefit Cost | Quarter Ended December 31, 2021 2020 (Unaudited) (In thousands) Service cost for benefits earned during the period $ 350 $ 317 Other components of net periodic benefit costs: Interest cost on accumulated postretirement benefit 227 230 Other components 53 17 Total other components of net periodic benefit costs 280 247 Net periodic postretirement benefit cost$ 630 $ 564 | Nine Months Ended December 31, 2021 2020 (Unaudited) (In thousands) Service cost for benefits earned during the period $ 1,051 $ 950 Other components of net periodic benefit costs: Interest cost on accumulated postretirement benefit 681 689 Other components 159 51 Total other components of net periodic benefit costs 840 740 Net periodic postretirement benefit cost$ 1,891 $ 1,690

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- Definition Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
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