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SHAREHOLDERS' EQUITY (Tables) | 6 Months Ended
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Mar. 31, 2023
Stockholders' Equity Note [Abstract] |
Schedule of Components of Accumulated Other Comprehensive Income (Loss) | Components of accumulated other comprehensive loss were as follows:
| March 31, |  | September 30,
(in thousands) | 2023 |  | 2022
Pre-tax amounts: |  |  |
Unrealized actuarial loss | $ | (15,041) |  |  | $ | (15,703) |
| (15,041) |  |  | (15,703) |
After-tax amounts: |  |  |
Unrealized actuarial loss | $ | (11,560) |  |  | $ | (12,072) |
| $ | (11,560) |  |  | $ | (12,072) |
Schedule of Changes in Accumulated Other Comprehensive Income (Loss) | The following is a summary of the changes in accumulated other comprehensive loss, net of tax, related to the defined benefit pension plan for the three and six months ended March 31, 2023:
(in thousands) | Three Months Ended March 31, 2023 |  | Six Months Ended March 31, 2023
Balance at beginning of period | $ | (11,816) |  |  | $ | (12,072) |
Activity during the period: |  |  |
Amounts reclassified from accumulated other comprehensive loss | 256 |  |  | 512 |
Net current-period other comprehensive income | 256 |  |  | 512 |
Balance at March 31, 2023 | $ | (11,560) |  |  | $ | (11,560) |

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- Definition Tabular disclosure of components of comprehensive income (loss). Includes, but is not limited to, foreign currency translation adjustments, foreign currency transactions designated as economic hedges of a net investment in foreign entity, gain (loss) and prior service cost (credit) for pension plans and other postretirement benefit plans. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=126968391&loc=d3e526-108580 + Details
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