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ASSETS HELD FOR SALE (Details) (USD $) | Jun. 30, 2012 | Dec. 31, 2011 | Jun. 30, 2011 | Dec. 31, 2010
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Summary of the balance sheet data for assets and liabilities held for sale |  |  |  |
Cash | $ 21,379,000 | $ 21,903,000 | $ 34,783,000 | $ 44,361,000
Accounts receivable | 503,040,000 | 448,998,000 |  |
Inventory | 414,037,000 | 342,095,000 |  |
Costs and estimated earnings in excess of billings on uncompleted contracts | 110,346,000 | 122,214,000 |  |
Other current assets | 94,455,000 | 111,531,000 |  |
Total current assets held for sale | 13,480,000 |  |  |
Property, plant and equipment | 294,000 |  |  |
Accounts payable | 232,454,000 | 210,812,000 |  |
Accrued liabilities | 226,028,000 | 275,130,000 |  |
Billings on uncompleted contracts in excess of costs and estimated earnings | 117,758,000 | 83,961,000 |  |
Total current liabilities held for sale | 6,230,000 |  |  |
Deferred income taxes | 109,474,000 | 124,847,000 |  |
Exterran (UK) Ltd |  |  |  |
ASSETS HELD FOR SALE |  |  |  |
Long-lived asset, impairment charges | 1,500,000 |  |  |
Summary of the balance sheet data for assets and liabilities held for sale |  |  |  |
Total current assets held for sale | 13,480,000 |  |  |
Property, plant and equipment | 294,000 |  |  |
Total assets held for sale | 13,774,000 |  |  |
Total current liabilities held for sale | 6,230,000 |  |  |
Total liabilities held for sale | 6,245,000 |  |  |
Exterran (UK) Ltd | Current assets held for sale |  |  |  |
Summary of the balance sheet data for assets and liabilities held for sale |  |  |  |
Cash | 378,000 |  |  |
Accounts receivable | 3,638,000 |  |  |
Inventory | 324,000 |  |  |
Costs and estimated earnings in excess of billings on uncompleted contracts | 8,881,000 |  |  |
Other current assets | 259,000 |  |  |
Exterran (UK) Ltd | Current liabilities held for sale |  |  |  |
Summary of the balance sheet data for assets and liabilities held for sale |  |  |  |
Accounts payable | 4,102,000 |  |  |
Accrued liabilities | 2,077,000 |  |  |
Billings on uncompleted contracts in excess of costs and estimated earnings | 51,000 |  |  |
Exterran (UK) Ltd | Noncurrent liabilities held for sale |  |  |  |
Summary of the balance sheet data for assets and liabilities held for sale |  |  |  |
Deferred income taxes | $ 15,000 |  |  |

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- Definition Liability attributable to (i) billings in excess of costs under the percentage of completion contract accounting method representing the difference between contractually invoiced amounts (billings) and revenue recognized based, for example, on costs incurred to estimated total costs at period end or (ii) contractually invoiced amounts (billings) in excess of costs incurred and accumulated under the completed contract accounting method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 45 -Paragraph 12 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 45 -Paragraph 5 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 605 -SubTopic 35 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6802688&loc=d3e57807-111642 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 605 -SubTopic 35 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6802688&loc=d3e57788-111642 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 605 -SubTopic 35 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6802688&loc=d3e57795-111642 + Details
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- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6361293&loc=d3e6676-107765 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash Equivalents -URI http://asc.fasb.org/extlink&oid=6507016 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 8, 9 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 7, 26 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash -URI http://asc.fasb.org/extlink&oid=6506951 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3044-108585 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 7 -Footnote 1 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.1) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 1 -Article 5 + Details
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