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Net Periodic Benefit Cost (Narratives) (Details) - USD ($) shares in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2022 | Dec. 31, 2021 | Mar. 31, 2023
Defined Benefit Plan Disclosure [Line Items] |  |  |  |  |
Effect of dilutive employee stock options and other share-based awards | 152 | 371 | 170 | 368 |
Average basic shares outstanding | 28,626 | 28,469 | 28,597 | 27,887 |
Share-based Payment Arrangement, Option [Member] |  |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount |  |  | 715 | 156 |
Pension Plans, Defined Benefiit |  |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |  |
Service costs | $ 199,000 | $ 242,000 | $ 536,000 | $ 743,000 |
Interest cost | 2,848,000 | 2,528,000 | 8,537,000 | 7,607,000 |
Defined Benefit Plan, Expected Return (Loss) on Plan Assets | (2,709,000) | (3,259,000) | (8,130,000) | (9,778,000) |
Net amortization | 192,000 | 363,000 | 607,000 | 1,096,000 |
Net periodic pension (benefit) cost | $ 530,000 | $ (126,000) | $ 1,550,000 | $ (332,000) |
Forecast [Member] |  |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |  |
Defined Benefit Plan, Expected Future Employer Contributions, Remainder of Fiscal Year |  |  |  |  | $ 4,958,000

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