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Accumulated Other Comprehensive Income (Tables) | 12 Months Ended
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Mar. 31, 2023
Equity [Abstract] |
Schedule of Accumulated Other Comprehensive Loss | The following table shows the changes in accumulated other comprehensive loss, net of tax:
| Fiscal Year Ended March 31, 2023
| Post-retirement plans | Derivatives designated as cash flow hedges | Total
Beginning of year | $ | 8,811 |  | $ | (226) |  | $ | 8,585 |
Other comprehensive income before reclassifications (1) | 10,644 |  | 11,021 |  | 21,665 |
Amounts reclassified from accumulated other comprehensive income | (5) |  | (912) |  | (917) |
Net current-period other comprehensive income | 10,639 |  | 10,109 |  | 20,748 |
End of year | $ | 19,450 |  | $ | 9,883 |  | $ | 29,333 |
(1) Changes in other comprehensive income before reclassification for post-retirement plans and derivatives designated as cash flow hedges are recorded net of tax benefit of $3.8 million and $3.9 million, respectively, for the fiscal year ended March 31, 2023.
| Fiscal Year Ended March 31, 2022
| Post-retirement plans | Derivatives designated as cash flow hedges | Total
Beginning of year | $ | (1,562) |  | $ | (28,209) |  | $ | (29,771) |
Other comprehensive income before reclassifications (2) | 10,294 |  | 15,032 |  | 25,326 |
Amounts reclassified from accumulated other comprehensive income | 79 |  | 12,951 |  | 13,030 |
Net current-period other comprehensive income | 10,373 |  | 27,983 |  | 38,356 |
End of year | $ | 8,811 |  | $ | (226) |  | $ | 8,585 |
(2) Changes in other comprehensive income before reclassification for post-retirement plans and derivatives designated as cash flow hedges are recorded net of tax benefit of $3.6 million and $5.3 million, respectively, for the fiscal year ended March 31, 2022.
| Fiscal Year Ended March 31, 2021
| Post-retirement plans | Derivatives designated as cash flow hedges | Total
Beginning of year | $ | (4,127) |  | $ | (41,874) |  | $ | (46,001) |
Other comprehensive income (loss) before reclassifications (3) | 2,481 |  | (1,529) |  | 952 |
Amounts reclassified from accumulated other comprehensive loss | 84 |  | 15,194 |  | 15,278 |
Net current-period other comprehensive income (loss) | 2,565 |  | 13,665 |  | 16,230 |
End of year | $ | (1,562) |  | $ | (28,209) |  | $ | (29,771) |
(3) Changes in other comprehensive income (loss) before reclassification for post-retirement plans and derivatives designated as cash flow hedges are recorded net of tax benefit of $0.9 million and $0.5 million, respectively, for the fiscal year ended March 31, 2021.

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=6450520&loc=d3e32583-110901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI https://asc.fasb.org/extlink&oid=126968391&loc=SL7669686-108580 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 45 -Paragraph 20 -URI https://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900 + Details
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