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Shareholders' Equity (Tables) | 6 Months Ended
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Mar. 31, 2016
Shareholders' Equity |
Schedule of components of accumulated other comprehensive income (loss) |
|  | March 31, |  | September 30, |
|  | 2016 |  | 2015 |
|  | (in thousands) |
Pre-tax amounts: |  |  |  |  |
Unrealized appreciation on securities |  | $ | 6,696 |  | $ | 27,021 |
Unrecognized actuarial loss |  | (29,158 | ) | (30,144 | )
|  | $ | (22,462 | ) | $ | (3,123 | )
After-tax amounts: |  |  |  |  |
Unrealized appreciation on securities |  | $ | 4,738 |  | $ | 17,201 |
Unrecognized actuarial loss |  | (17,952 | ) | (18,578 | )
|  | $ | (13,214) |  | $ | (1,377 | )
Summary of the changes in accumulated other comprehensive income (loss), net of tax, by component |
|  | Three Months Ended March 31, 2016 |
|  | Unrealized |  |  |  |  |
|  | Appreciation (Depreciation) on |  | Defined |  |  |
|  | Available-for-sale |  | Benefit |  |  |
|  | Securities |  | Pension Plan |  | Total |
|  | (in thousands) |
Balances at January 1, 2016 |  | $ | 6,191 |  | $ | (18,265 | ) | $ | (12,074 | )
Other comprehensive loss before reclassifications |  | (1,453 | ) | — |  | (1,453 | )
Amounts reclassified from accumulated other comprehensive income |  | — |  | 313 |  | 313 |
Net current-period other comprehensive income (loss) |  | (1,453 | ) | 313 |  | (1,140 | )
Balances at March 31, 2016 |  | $ | 4,738 |  | $ | (17,952 | ) | $ | (13,214 | )
|  | Six Months Ended March 31, 2016 |
|  | Unrealized |  |  |  |  |
|  | Appreciation (Depreciation) on |  | Defined |  |  |
|  | Available-for-sale |  | Benefit |  |  |
|  | Securities |  | Pension Plan |  | Total |
|  | (in thousands) |
Balances at October 1, 2015 |  | $ | 17,201 |  | $ | (18,578 | ) | $ | (1,377 | )
Other comprehensive loss before reclassifications |  | (12,463 | ) | — |  | (12,463 | )
Amounts reclassified from accumulated other comprehensive income |  | — |  | 626 |  | 626 |
Net current-period other comprehensive income (loss) |  | (12,463 | ) | 626 |  | (11,837 | )
Balances at March 31, 2016 |  | $ | 4,738 |  | $ | (17,952 | ) | $ | (13,214 | )
Schedule of accumulated other comprehensive income (loss) components which were reclassified to the Consolidated Statement of Income |
|  | Amount Reclassified from Accumulated Other Comprehensive Income (Loss) |  |  |
Details About Accumulated Other Comprehensive Income |  | Three Months Ended March 31, |  | Six Months Ended March 31, |  | Affected Line Item in the Condensed Consolidated |
(Loss) Components |  | 2016 |  | 2015 |  | 2016 |  | 2015 |  | Statement of Income |
|  | (in thousands) |  | (in thousands) |  |  |
Defined Benefit Pension Items |  |  |  |  |  |  |  |  |  |  |
Amortization of net actuarial loss |  | $ | (493 | ) | $ | (309 | ) | $ | (986 | ) | $ | (618 | ) | General and administrative |
|  | 180 |  | 112 |  | 360 |  | 225 |  | Income tax provision |
Total reclassifications for the period |  | $ | (313 | ) | $ | (197 | ) | $ | (626 | ) | $ | (393 | ) | 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=36458714&loc=SL7669686-108580 + Details
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