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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 2) $ in Thousands | 12 Months Ended
--- | ---
Sep. 30, 2015 USD ($) item | Sep. 30, 2014 USD ($) item | Sep. 30, 2013 USD ($)
PROPERTY, PLANT AND EQUIPMENT |  |  |
Depreciation associated with abandonments | $ 43,600 | $ 23,000 | $ 9,100
Number of idle conventional rigs decommissioned | item | 23 | 9 |
Asset Impairment Charges | $ 39,242 |  |
RESTRICTED CASH AND CASH EQUIVALENTS |  |  |
Restricted cash and cash equivalents | 32,000 | $ 30,200 |
Restricted cash and cash equivalents from initial capitalization of captive company | 2,000 |  |
Additional cash and cash equivalents restricted at the election of management for potential insurance claims | 30,000 |  |
Prepaid expenses and other | 29,998 | 28,244 |
Other assets | 2,000 | 2,000 |
CAPITALIZATION OF INTEREST |  |  |
Capitalized interest | 7,000 | 7,700 | 8,800
DRILLING REVENUES |  |  |
Reimbursements received | 302,200 | 328,900 | 332,500
RENT REVENUES |  |  |
Minimum rents | 9,608 | 9,400 | 9,009
Overage and percentage rents | 1,030 | 1,090 | $ 1,384
Fiscal Year |  |  |
2016 | 7,395 |  |
2017 | 6,116 |  |
2018 | 4,440 |  |
2019 | 3,238 |  |
2020 | 2,391 |  |
Thereafter | 3,985 |  |
Total | 27,565 |  |
Cost and accumulated depreciation for real estate properties |  |  |
Real estate properties | 65,466 | 64,812 |
Accumulated depreciation | (43,326) | (42,754) |
Real estate properties, Net | $ 22,140 | $ 22,058 |
Minimum |  |  |
RENT REVENUES |  |  |
Lease term | 3 years |  |
Maximum |  |  |
RENT REVENUES |  |  |
Lease term | 10 years |  |
Contract drilling equipment | Minimum |  |  |
PROPERTY, PLANT AND EQUIPMENT |  |  |
Estimated useful lives | 4 years |  |
Contract drilling equipment | Maximum |  |  |
PROPERTY, PLANT AND EQUIPMENT |  |  |
Estimated useful lives | 15 years |  |
Real estate buildings and equipment | Minimum |  |  |
PROPERTY, PLANT AND EQUIPMENT |  |  |
Estimated useful lives | 10 years |  |
Real estate buildings and equipment | Maximum |  |  |
PROPERTY, PLANT AND EQUIPMENT |  |  |
Estimated useful lives | 45 years |  |
Land Rigs | International Land |  |  |
PROPERTY, PLANT AND EQUIPMENT |  |  |
Number of impaired land rigs | item | 7 |  |
Land Rigs | International Land | Discounted cash flow |  |  |
PROPERTY, PLANT AND EQUIPMENT |  |  |
Fair value of land rigs | $ 20,600 |  |
Other assets | Minimum |  |  |
PROPERTY, PLANT AND EQUIPMENT |  |  |
Estimated useful lives | 2 years |  |
Other assets | Maximum |  |  |
PROPERTY, PLANT AND EQUIPMENT |  |  |
Estimated useful lives | 23 years |  |

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- Definition Amount of real estate investment property which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; and (7) other real estate investments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.1(d)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
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