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Accumulated Other Comprehensive Income (Loss) | 9 Months Ended
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Dec. 31, 2022
Equity [Abstract] |
Accumulated Other Comprehensive Income (Loss) | Accumulated Other Comprehensive Income (Loss) All amounts recorded in other comprehensive income (loss) are related to the Company's post-retirement plans and interest rate swaps designated as cash flow hedges. The following table shows the changes in accumulated other comprehensive loss, net of tax:
| Three Months Ended December 31, 2022 | Nine Months Ended December 31, 2022
| Post-retirement plans | Derivatives designated as cash flow hedges | Totals | Post-retirement plans | Derivatives designated as cash flow hedges | Totals
Beginning of period | $ | 8,807 |  | $ | 13,334 |  | $ | 22,141 |  | $ | 8,811 |  | $ | (226) |  | $ | 8,585 |
Other comprehensive income before reclassifications(1) | 2 |  | 1,155 |  | 1,157 |  | — |  | 12,337 |  | 12,337 |
Amounts reclassified from accumulated other comprehensive income (loss) | (2) |  | (1,217) |  | (1,219) |  | (4) |  | 1,161 |  | 1,157 |
Net current-period other comprehensive income (loss) | — |  | (62) |  | (62) |  | (4) |  | 13,498 |  | 13,494 |
End of period | $ | 8,807 |  | $ | 13,272 |  | $ | 22,079 |  | $ | 8,807 |  | $ | 13,272 |  | $ | 22,079 |
(1) Changes in other comprehensive income before reclassification for derivatives designated as cash flow hedges are recorded net of tax expense of $0.4 million and $4.4 million for the three and nine months ended December 31, 2022, respectively.
| Three Months Ended December 31, 2021 | Nine Months Ended December 31, 2021
| Post-retirement plans | Derivatives designated as cash flow hedges | Totals | Post-retirement plans | Derivatives designated as cash flow hedges | Totals
Beginning of period | $ | (1,523) |  | $ | (22,476) |  | $ | (23,999) |  | $ | (1,562) |  | $ | (28,209) |  | $ | (29,771) |
Other comprehensive loss before reclassifications(2) | — |  | 3,896 |  | 3,896 |  | — |  | 2,585 |  | 2,585 |
Amounts reclassified from accumulated other comprehensive loss | 20 |  | 3,029 |  | 3,049 |  | 59 |  | 10,073 |  | 10,132 |
Net current-period other comprehensive income | 20 |  | 6,925 |  | 6,945 |  | 59 |  | 12,658 |  | 12,717 |
End of period | $ | (1,503) |  | $ | (15,551) |  | $ | (17,054) |  | $ | (1,503) |  | $ | (15,551) |  | $ | (17,054) |
(2) Changes in other comprehensive loss before reclassification for derivatives designated as cash flow hedges are recorded net of tax expense of $1.4 million and $0.9 million for the three and nine months ended December 31, 2021, respectively.

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- Definition The entire disclosure for comprehensive income, which includes, but is not limited to, 1) the amount of income tax expense or benefit allocated to each component of other comprehensive income, including reclassification adjustments, 2) the reclassification adjustments for each classification of other comprehensive income and 3) the ending accumulated balances for each component of comprehensive income. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -URI https://asc.fasb.org/topic&trid=2134417 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(21)) -URI https://asc.fasb.org/extlink&oid=126953954&loc=SL114868664-224227 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(23)) -URI https://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(19)) -URI https://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263 + Details
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