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SHAREHOLDERS' EQUITY (Tables) | 12 Months Ended
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Sep. 30, 2016
SHAREHOLDERS' EQUITY |
Schedule of components of accumulated other comprehensive income (loss) |
|  | September 30, |
|  | 2016 |  | 2015 |  | 2014 |
|  | (in thousands) |
Pre-tax amounts: |  |  |  |  |  |  |  |  |  |
Unrealized appreciation on securities |  | $ | 33,051 |  | $ | 27,021 |  | $ | 157,838 |
Unrealized actuarial loss |  |  | (34,112 | ) |  | (30,144 | ) |  | (23,405 | )
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
|  | $ | (1,061 | ) | $ | (3,123 | ) | $ | 134,433 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
After-tax amounts: |  |  |  |  |  |  |  |  |  |
Unrealized appreciation on securities |  | $ | 20,899 |  | $ | 17,201 |  | $ | 97,418 |
Unrealized actuarial loss |  |  | (21,103 | ) |  | (18,578 | ) |  | (14,292 | )
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
|  | $ | (204 | ) | $ | (1,377 | ) | $ | 83,126 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Summary of the changes in accumulated other comprehensive income (loss), net of tax, by component |
|  | Unrealized Appreciation (Depreciation) on Available-for-sale Securities |  | Defined Benefit Pension Plan |  | Total |
|  | (in thousands) |
Balance September 30, 2015 |  | $ | 17,201 |  | $ | (18,578 | ) | $ | (1,377 | )
Other comprehensive income before reclassifications |  |  | 2,772 |  |  | — |  |  | 2,772 |
Amounts reclassified from accumulated other comprehensive income (loss) |  |  | 926 |  |  | (2,525 | ) |  | (1,599 | )
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Net current-period other comprehensive Income (loss) |  |  | 3,698 |  |  | (2,525 | ) |  | 1,173 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Balance September 30, 2016 |  | $ | 20,899 |  | $ | (21,103 | ) | $ | (204 | )
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Schedule of accumulated other comprehensive income (loss) components which were reclassified to the Condensed Consolidated Statement of Operations |
|  | Amount Reclassified from Accumulated Other Comprehensive Income (Loss) |  |
|  | Affected line item in the Consolidated Statement of Operations
Details about Accumulated Other Comprehensive Income (Loss) Components |  | 2016 |  | 2015
|  | (in thousands) |  |
Other-than-temporary impairment of available-for-sale securities |  | $ | 1,509 |  | $ | — |  | Gain (loss) on investment securities
|  |  | (583 | ) |  | — |  | Income tax provision
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
|  | $ | 926 |  | $ | — |  | Net of tax
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Defined Benefit Pension Items |  | $ | (3,968 | ) | $ | (6,738 | ) | General and administrative
Amortization of net actuarial loss |  |  | 1,443 |  |  | 2,452 |  | Income tax provision
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
|  | $ | (2,525 | ) | $ | (4,286 | ) | Net of tax
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Total reclassifications for the period |  | $ | (1,599 | ) | $ | (4,286 | ) |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
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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=66004124&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=66004124&loc=d3e526-108580 + Details
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