2.2.0.7 false Basis of presentation 0201 - Disclosure - Basis of presentation true false false false 1 USD false false USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 USDEPS Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 Shares Standard http://www.xbrl.org/2003/instance shares xbrli 0 $ 2 Basis of presentation [Abstract] 0 us-gaap_GeneralPoliciesAbstract us-gaap true na duration No definition available. false false false false false true false false false false false false 1 false false false false 0 0 false false false xbrli:stringItemType string No definition available. false 3 Basis of presentation 1 us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock us-gaap true na duration No definition available. false false false false false false false false false false false verboselabel false 1 false false false false 0 0   <div align="left" style="font-family: 'Times New Roman',Times,serif; margin-left: 0in; ">   <div align="center" style="font-size: 10pt; margin-top: 0pt"> </div> <div align="left"> </div> <div align="center" style="font-size: 10pt"></div> <div align="center" style="font-size: 10pt"></div> <div align="left" style="font-size: 10pt; margin-top: 10pt"><b>1. Basis of presentation</b> </div> <div align="left" style="font-size: 10pt; margin-top: 10pt; text-indent: 4%">Unless the context otherwise indicates, the terms “we”, “our”, “us”, the “Company” and similar terms, refer to Dresser-Rand Group Inc. and its consolidated subsidiaries. </div> <div align="left" style="font-size: 10pt; margin-top: 10pt; text-indent: 4%">The accompanying consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the United States of America for interim financial information. Accordingly, they do not include all of the information and notes required by such principles applicable to annual financial statements. These financial statements are unaudited but, in the opinion of management, contain all adjustments (including normal recurring adjustments) considered necessary for a fair presentation of our financial position and results of operations. These financial statements should be read in conjunction with our Annual Report on Form 10-K for the year ended December 31, 2009, and our other filings with the Securities and Exchange Commission. Operating results for the 2010 period presented are not necessarily indicative of the results that may be expected for the year ending December 31, 2010. </div> </div>  <!-- Begin Block Tagged Note false false false us-types:textBlockItemType textblock Description containing the entire organization, consolidation and basis of presentation of financial statements disclosure. May be provided in more than one note to the financial statements, as long as users are provided with an understanding of (1) the significant judgments and assumptions made by an enterprise in determining whether it must consolidate a VIE and/or disclose information about its involvement with a VIE, (2) the nature of restrictions on a consolidated VIE's assets reported by an enterprise in its statement of financial position, including the carrying amounts of such assets, (3) the nature of, and changes in, the risks associated with an enterprise's involvement with the VIE, and (4) how an enterprise's involvement with the VIE affects the enterprise's financial position, financial performance, and cash flows. Describes procedure if disclosures are provided in more than one note to the financial statements. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Staff Position (FSP) -Number FAS140-4 and FIN46(R)-8 -Paragraph 8, C1, C7 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 2-6 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Statement of Position (SOP) -Number 94-6 -Paragraph 10 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Interpretation (FIN) -Number 46R -Paragraph 4, 14, 15 false 1 2 false UnKnown UnKnown UnKnown false true