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Shareholders' Equity (Tables) | 3 Months Ended
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Dec. 31, 2017
Shareholders' Equity |
Schedule of components of accumulated other comprehensive income (loss) |
|  | December 31, |  | September 30, |
|  | 2017 |  | 2017 |
|  | (in thousands) |
Pre-tax amounts: |  |  |  |  |  |  |
Unrealized appreciation on securities |  | $ | 30,856 |  | $ | 31,700 |
Unrealized actuarial loss |  |  | (28,412) |  |  | (28,873) |
|  | $ | 2,444 |  | $ | 2,827 |
After-tax amounts: |  |  |  |  |  |  |
Unrealized appreciation on securities |  | $ | 19,469 |  | $ | 20,070 |
Unrealized actuarial loss |  |  | (17,430) |  |  | (17,770) |
|  | $ | 2,039 |  | $ | 2,300 |
Summary of the changes in accumulated other comprehensive income (loss), net of tax, by component |
|  | Three Months Ended December 31, 2017 |
|  | Unrealized |  |  |  |  |  |  |
|  | Appreciation |  |  |  |  |  |  |
|  | (Depreciation) on |  | Defined |  |  |  |
|  | Available-for-sale |  | Benefit |  |  |  |
|  | Securities |  | Pension Plan |  | Total |
|  | (in thousands) |
Balance at September 30, 2017 |  | $ | 20,070 |  | $ | (17,770) |  | $ | 2,300 |
Other comprehensive loss before reclassifications |  |  | (601) |  |  | — |  |  | (601) |
Amounts reclassified from accumulated other comprehensive income |  |  | — |  |  | 340 |  |  | 340 |
Net current-period other comprehensive income (loss) |  |  | (601) |  |  | 340 |  |  | (261) |
Balance at December 31, 2017 |  | $ | 19,469 |  | $ | (17,430) |  | $ | 2,039 |
Schedule of accumulated other comprehensive income (loss) components which were reclassified to the Statement of Operations |
|  | Reclassified from |  |  |
|  | Accumulated Other |  |  |
|  | Comprehensive |  |  |
|  | Income (Loss) |  |  |
|  | Three Months Ended |  |  |
Details About Accumulated Other |  | December 31, |  | Affected Line Item in the |
Comprehensive Income (Loss) Components |  | 2017 |  | 2016 |  | Consolidated Statements of Operations |
|  |  | (in thousands) |  |  |
Amortization of net actuarial loss on defined benefit pension plan |  | $ | 461 |  | $ | 575 |  | General and administrative |
|  |  | (121) |  |  | (209) |  | Income tax provision |
Total reclassifications for the period |  | $ | 340 |  | $ | 366 |  | Net of tax |

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=84228862&loc=SL7669686-108580 + Details
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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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=84228862&loc=d3e526-108580 + Details
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