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BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended |  |  | 3 Months Ended
--- | --- | --- | --- | ---
Mar. 31, 2012 | Mar. 31, 2011 | Mar. 31, 2012 4.75% convertible senior notes due January 2014 | Dec. 31, 2011 4.75% convertible senior notes due January 2014 | Mar. 31, 2012 Parent | Mar. 31, 2011 Parent | Mar. 31, 2012 Subsidiary Issuer | Mar. 31, 2011 Subsidiary Issuer | Mar. 31, 2011 Correction of Misclassification in the Statement of Cash Flows As previously reported | Mar. 31, 2011 Correction of Misclassification in the Statement of Cash Flows Increase (decrease) | Mar. 31, 2011 Correction of Misclassification in the Supplemental Guarantor Financial Information Footnote As previously reported Parent | Mar. 31, 2011 Correction of Misclassification in the Supplemental Guarantor Financial Information Footnote As previously reported Subsidiary Issuer
BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES |  |  |  |  |  |  |  |  |  |  |  |
Net proceeds from the sale of common units of Exterran Partners, L.P. | $ 114,568 | $ 162,236 |  |  |  |  |  |  |  |  |  |
Correction of Misclassifications |  |  |  |  |  |  |  |  |  |  |  |
Net cash provided by (used in) continuing operating activities | 38,591 | 26,114 |  |  | 1,863 | 2,063 | 31 | (68) |  |  | 463,138 | 334
Net cash provided by (used in) continuing investing activities | (69,444) | (23,609) |  |  |  | 53,966 |  | 87,419 | 138,627 | (162,236) | (144,883) | 13,330
Net cash provided by (used in) financing activities | $ 32,130 | $ (7,972) |  |  | $ (1,685) | $ (56,156) | $ (31) | $ (87,351) | $ (170,208) | $ 162,236 | $ (318,382) | $ (13,664)
Interest rate (as a percent) |  |  | 4.75% | 4.75% |  |  |  |  |  |  |  |

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