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BUSINESS SEGMENTS AND GEOGRAPHIC INFORMATION - Revenues from External Customers by Country (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Mar. 31, 2020 | Mar. 31, 2019 | Mar. 31, 2020 | Mar. 31, 2019
Segment Reporting Information [Line Items] |  |  |  |
Revenues | $ 633,639 | $ 720,868 | $ 1,248,296 | $ 1,461,466
United States |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 581,520 | 669,424 | 1,148,335 | 1,343,425
Argentina |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 29,682 | 41,084 | 70,291 | 82,689
Bahrain |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 10,383 | 2,526 | 15,067 | 5,054
United Arab Emirates |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 6,280 | 0 | 6,453 | 4,728
Colombia |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 4,905 | 7,198 | 5,901 | 24,624
Other Foreign |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | $ 869 | $ 636 | $ 2,249 | $ 946

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- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8933-108599 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(1)) -URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Details
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