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BUSINESS SEGMENTS AND GEOGRAPHIC INFORMATION - Reconciliation (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2019 | Jun. 30, 2018
Segment Reporting Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Abstract] |  |  |  |
Segment operating income (loss) | $ (147,691) | $ 35,225 | $ 48,855 | $ 89,726
Gain on sale of assets | 9,960 | 4,313 | 27,050 | 15,133
Corporate selling, general and administrative costs and corporate depreciation | (30,143) | (33,232) | (94,344) | (96,108)
Operating income (loss) from continuing operations | (167,874) | 6,306 | (18,439) | 8,751
Nonoperating Income (Expense) [Abstract] |  |  |  |
Interest and dividend income | 2,349 | 2,109 | 6,861 | 5,680
Interest expense | (6,257) | (5,993) | (17,145) | (17,794)
Loss on investment securities | (13,271) | 0 | (50,228) | 0
Other | (1,599) | (61) | (1,051) | 170
Total other income (expense) | (18,778) | (3,945) | (61,563) | (11,944)
Income (loss) from continuing operations before income taxes | $ (186,652) | $ 2,361 | $ (80,002) | $ (3,193)

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- Definition Amount of gain (loss) on sale or disposal of assets, including but not limited to property plant and equipment, intangible assets and equity in securities of subsidiaries or equity method investee. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 + Details
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