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SHAREHOLDERS' EQUITY- AOCI Reclassifications (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2016 | Jun. 30, 2016 | Mar. 31, 2016 | Dec. 31, 2015 | Sep. 30, 2015 | Jun. 30, 2015 | Mar. 31, 2015 | Dec. 31, 2014 | Sep. 30, 2016 | Sep. 30, 2015 | Sep. 30, 2014
Accumulated other comprehensive income (loss) components which were reclassified to the Consolidated Statement of Income |  |  |  |  |  |  |  |  |  |  |
Gain (loss) on investment securities |  |  |  |  |  |  |  |  | $ (25,989) |  | $ 45,234
Income tax provision |  |  |  |  |  |  |  |  | (19,677) | $ 241,405 | 388,048
Income (loss) from continuing operations | $ (72,869) | $ (21,193) | $ 25,174 | $ 15,898 | $ (27,590) | $ 90,899 | $ 153,542 | $ 203,623 | (52,990) | 420,474 | $ 706,610
Accumulated other comprehensive income (loss) |  |  |  |  |  |  |  |  |  |  |
Accumulated other comprehensive income (loss) components which were reclassified to the Consolidated Statement of Income |  |  |  |  |  |  |  |  |  |  |
Total reclassifications for the period |  |  |  |  |  |  |  |  | (1,599) | (4,286) |
Unrealized appreciation (depreciation) on securities |  |  |  |  |  |  |  |  |  |  |
Accumulated other comprehensive income (loss) components which were reclassified to the Consolidated Statement of Income |  |  |  |  |  |  |  |  |  |  |
Total reclassifications for the period |  |  |  |  |  |  |  |  | 926 |  |
Defined benefit pension plan |  |  |  |  |  |  |  |  |  |  |
Accumulated other comprehensive income (loss) components which were reclassified to the Consolidated Statement of Income |  |  |  |  |  |  |  |  |  |  |
Reclassifications for the period, tax |  |  |  |  |  |  |  |  | 1,443 | 2,452 |
Total reclassifications for the period |  |  |  |  |  |  |  |  | (2,525) | (4,286) |
Amortization of net actuarial loss | General and Administrative |  |  |  |  |  |  |  |  |  |  |
Accumulated other comprehensive income (loss) components which were reclassified to the Consolidated Statement of Income |  |  |  |  |  |  |  |  |  |  |
Reclassifications for the period, before tax |  |  |  |  |  |  |  |  | (3,968) | $ (6,738) |
Reclassification out of AOCI | Unrealized appreciation (depreciation) on securities |  |  |  |  |  |  |  |  |  |  |
Accumulated other comprehensive income (loss) components which were reclassified to the Consolidated Statement of Income |  |  |  |  |  |  |  |  |  |  |
Income tax provision |  |  |  |  |  |  |  |  | (583) |  |
Income (loss) from continuing operations |  |  |  |  |  |  |  |  | (926) |  |
Reclassification out of AOCI | Other-than-temporary impairment of available-for-sale securities |  |  |  |  |  |  |  |  |  |  |
Accumulated other comprehensive income (loss) components which were reclassified to the Consolidated Statement of Income |  |  |  |  |  |  |  |  |  |  |
Gain (loss) on investment securities |  |  |  |  |  |  |  |  | $ (1,509) |  |

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- Definition This item represents the net total realized and unrealized gain (loss) included in earnings for the period as a result of selling or holding marketable securities categorized as trading, available-for-sale, or held-to-maturity, including the unrealized holding gain (loss) of held-to-maturity securities transferred to the trading security category and the cumulative unrealized gain (loss) which was included in other comprehensive income (a separate component of shareholders' equity) for available-for-sale securities transferred to trading securities during the period. Additionally, this item would include any gains (losses) realized during the period from the sale of investments accounted for under the cost method of accounting and losses recognized for other than temporary impairments (OTTI) of the subject investments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (c)-(e) -URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27357-111563 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.7(c),9(a)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27405-111563 + Details
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- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32639-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Income Tax Expense (or Benefit) -URI http://asc.fasb.org/extlink&oid=6515339 + Details
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