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DISCONTINUED OPERATIONS AND ASSETS HELD FOR SALE - Additional Information (Detail) - USD ($) $ in Thousands |  | 3 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | ---
Dec. 11, 2018 | Sep. 30, 2019 | Dec. 31, 2018 | Jun. 30, 2019 | Oct. 18, 2019 | Sep. 30, 2018
Land, Building and Equipment Held for Sale, Net |  | $ 73,763 |  | $ 81,250 |  | $ 81,029
Indebtedness |  | 126,642 |  | 52,255 |  | $ 142,908
Carrington College [Member] | Discontinued Operations, Disposed of by Sale |  |  |  |  |  |
Discontinued Operation, Gain (Loss) from Disposal of Discontinued Operation, before Income Tax |  |  | $ 11,300 |  |  |
Cash And Restricted Cash Transferred To Discontinued Operation |  |  | $ (9,900) |  |  |
DeVry University [Member] |  |  |  |  |  |
Discontinued Operation, Gain (Loss) from Disposal of Discontinued Operation, before Income Tax |  |  |  | 22,300 |  |
Payments to Acquire Loans Held-for-investment | $ 10,000 |  |  |  |  |
Earn Out Term | 10 years |  |  |  |  |
Earn Out Maximum | $ 20,000 |  |  |  |  |
Receivable with Imputed Interest, Face Amount |  | $ 10,000 |  |  |  |
Receivable with Imputed Interest, Effective Yield (Interest Rate) | 4.00% | 4.00% |  |  |  |
Receivable with Imputed Interest, Due Date | Jan. 01, 2022 | Jan. 01, 2022 |  |  |  |
Cash And Restricted Cash Transferred To Discontinued Operation |  |  |  | $ (40,200) |  |
Adtalem Educacional do Brasil [Member] | Discontinued Operations, Disposed of by Sale |  |  |  |  |  |
Consideration from disposal |  |  |  |  | $ 465,000 |
Cash balances expected to be received net of indebtedness |  |  |  |  | 74,000 |
Cash balances receivable |  |  |  |  | 89,000 |
Indebtedness |  |  |  |  | 15,000 |
Proceeds from disposal |  |  |  |  | $ 539,000 |

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