Pension And Other Postretirement Benefit Plans (Estimated Future Benefit Payments) (Details) $ in Thousands	Mar. 31, 2023 USD ($)
Pension Benefits [Member]
2024	$ 17,871
2025	19,163
2026	22,629
2027	16,444
2028	19,039
2029 - 2033	84,582
Other Postretirement Benefits [Member]
2024	2,165
2025	2,039
2026	1,912
2027	1,828
2028	1,739
2029 - 2033	$ 7,715

Amount of benefit for defined benefit plan expected to be paid in five fiscal years after fifth fiscal year following current fiscal year.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (f)
-URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920

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Amount of benefit for defined benefit plan expected to be paid in next fiscal year following current fiscal year.

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Amount of benefit for defined benefit plan expected to be paid in fifth fiscal year following current fiscal year.

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Amount of benefit for defined benefit plan expected to be paid in fourth fiscal year following current fiscal year.

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Amount of benefit for defined benefit plan expected to be paid in third fiscal year following current fiscal year.

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Amount of benefit for defined benefit plan expected to be paid in second fiscal year following current fiscal year.

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