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GOODWILL AND INTANGIBLE ASSETS (Tables) | 3 Months Ended
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Dec. 31, 2020
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Intangible Assets Arising from Business Acquisitions | Intangible assets consisted of the following:
|  |  | December 31, 2020 |  | September 30, 2020
(in thousands) | Weighted Average Estimated Useful Lives |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net
Finite-lived intangible asset: |  |  |  |  |  |  |  |  |  |  |  |  |
Developed technology | 15 years |  | $ | 89,096 |  |  | $ | 17,716 |  |  | $ | 71,380 |  |  | $ | 89,096 |  |  | $ | 16,222 |  |  | $ | 72,874 |
Intellectual property | 13 years |  | 1,500 |  |  | 131 |  |  | 1,369 |  |  | 1,500 |  |  | 103 |  |  | 1,397 |
Trade name | 20 years |  | 5,865 |  |  | 921 |  |  | 4,944 |  |  | 5,865 |  |  | 842 |  |  | 5,023 |
Customer relationships | 5 years |  | 4,000 |  |  | 2,467 |  |  | 1,533 |  |  | 4,000 |  |  | 2,267 |  |  | 1,733 |
|  |  | $ | 100,461 |  |  | $ | 21,235 |  |  | $ | 79,226 |  |  | $ | 100,461 |  |  | $ | 19,434 |  |  | $ | 81,027 |

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- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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