10-Q/A

United States Securities and Exchange Commission

Washington, D.C. 20549

Form 10-Q/A

Amendment No. 1

  x Quarterly Report under Section 13 or 15(d) of the Securities Exchange Act of 1934

For the Quarterly Period Ended June 30, 2011

  ¨ Transition Report under Section 13 or 15(d) of the Exchange Act

For the Transition Period from                  to                 

Commission file number 001-32586

Dresser-Rand Group Inc.

(Exact name of registrant as specified in its charter)

Delaware	20-1780492
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)

West8 Tower, Suite 1000 10205 Westheimer Road Houston, TX, U.S.A	77042
112 Avenue Kleber Cedex 16, Paris, France	75784
(Addresses of principal executive offices)	(Zip Codes)

(713) 354-6100 (Houston)

33 156 26 7171 (Paris)

(Registrant’s telephone numbers, including area code)

(Former name, former address and former fiscal year, if changed since last report)

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.     x  Yes     ¨  No

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).     x  Yes     ¨  No

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, or a non-accelerated filer, or a smaller reporting company. See the definitions of “large accelerated filer”, “accelerated filer”, and “smaller reporting company” in Rule 12b-2 of the Exchange Act. (Check one):

Large accelerated filer	x	Accelerated filer	¨
Non-accelerated filer	¨  (Do not check if smaller reporting company)	Smaller reporting company	¨

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).     ¨  Yes    x  No

The number of shares of common stock, $.01 par value, outstanding as of August 1, 2011, was 79,796,496.

EXPLANATORY NOTE

On August 4, 2011, Dresser-Rand Group Inc. filed its Quarterly Report on Form 10-Q for the quarterly period ended June 30, 2011 (the “Original Report”). This Amendment No. 1 on Form 10-Q/A to the Original Report (this “Form 10-Q/A”) is being filed solely for the purpose of furnishing Exhibit 101 to the Original Report, which contains the XBRL Interactive Data Files required by Rule 405 of Regulation S-T, by amending the Exhibit Index under Item 6 of Part II of the Original Report. As permitted by Rule 405(a)(2)(ii) of Regulation S-T, Exhibit 101 is required to be furnished by amendment within 30 days of the original filing date of the Original Report.

Except as described above, this Form 10-Q/A does not amend or update any information contained in the Original Report to reflect events occurring subsequent to the original filing date or otherwise.

PART II. OTHER INFORMATION

ITEM 6. EXHIBITS

The following exhibits are filed with this report:

Exhibit No.	Description
3.1	Amended and Restated Certificate of Incorporation of Dresser-Rand Group Inc. (incorporated by reference to Exhibit 3.1 to Dresser-Rand Group Inc.’s Registration Statement on Form S-1/A, filed July 18, 2005, File No. 333-124963).
3.2	Amended and Restated By-Laws of Dresser-Rand Group Inc. (incorporated by reference to Exhibit 3.1 to Dresser-Rand Group Inc.’s Current Report on Form 8-K, filed November 16, 2007, File No. 001-32586).
4.1	Form of Registration Rights Agreement among Dresser-Rand Group Inc. and the shareholders of Grupo Guascor S.L. (incorporated by reference to Exhibit 4.1 to Dresser-Rand Group Inc.’s Current Report on Form 8-K, filed May 4, 2011, file No. 001-32586).
10.1*&	Employment Contract, dated June 1, 2011, by and between Dresser-Rand International Inc. and Gustavo Nechar.
10.2*&	Revised Form of Indemnification Agreement between Dresser-Rand Group Inc. and certain of its directors and executive officers.
31.1*	Certification of the President and Chief Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
31.2*	Certification of the Executive Vice President and Chief Financial Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
32.1*	Certification of the President and Chief Executive Officer pursuant to Title 18, United States Code, Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (furnished herewith). (This certification is being furnished and shall not be deemed “filed” with the SEC for purposes of Section 18 of the Exchange Act, or otherwise subject to the liability of that section, and shall not be deemed to be incorporated by reference into any filing under the Securities Act or the Exchange Act, except to the extent that the Registrant specifically incorporates it by reference).
32.2*	Certification of the Executive Vice President and Chief Financial Officer pursuant to Title 18, United States Code, Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (furnished herewith). (This certification is being furnished and shall not be deemed “filed” with the SEC for purposes of Section 18 of the Exchange Act, or otherwise subject to the liability of that section, and shall not be deemed to be incorporated by reference into any filing under the Securities Act or the Exchange Act, except to the extent that the Registrant specifically incorporates it by reference).
(101)	Interactive Data Files pursuant to Rule 405 of Regulation S-T: (i) Consolidated Statement of Income, (ii) Consolidated Balance Sheet, (iii) Consolidated Statement of Cash Flows, and (iv) Notes to Consolidated Financial Statements.(1)

* Previously filed or furnished, as applicable, as an exhibit to the Original Report.

& Management contract.

(  ) Filed herewith.

(1) The XBRL related information in Exhibit 101 shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to liability of that section and shall not be incorporated by reference into any filing or other document pursuant to the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such filing or document.

2

SIGNATURES

Pursuant to the requirements of the Securities and Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

	DRESSER-RAND GROUP INC.
Date:    August 19, 2011	/s/ Raymond L. Carney Jr.
	Raymond L. Carney Jr. Vice President, Controller and Chief Accounting Officer

3

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Commitments and contingencies - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	6 Months Ended	12 Months Ended
	Jun. 30, 2011 Person	Dec. 31, 2007 Month
Commitments and Contingencies Disclosure [Line Items]
Non-cash curtailment amendment gain recognized in other comprehensive income		$ 18.6
Amortization of non-cash curtailment amendment gain ( in month)		36
Bargaining agreement between IUE and the Company expiration date		Mar. 31, 2013
Number of employees engaged in misconduct during strike and Involuntary Terminated	2
Contingent exposure accrued	$ 4.8
Minimum
Commitments and Contingencies Disclosure [Line Items]
Estimated appeal processing period	3Y
Maximum
Commitments and Contingencies Disclosure [Line Items]
Estimated appeal processing period	5Y

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CONSOLIDATED BALANCE SHEET (USD $) In Millions	Jun. 30, 2011	Dec. 31, 2010
Current assets
Cash and cash equivalents	$ 127.4	$ 420.8
Restricted cash	11.2
Accounts receivable, less allowance for losses of $10.0 at 2011 and $11.4 at 2010	366.3	303.5
Inventories, net	402.9	291.6
Prepaid expenses and other	67.9	36.5
Deferred income taxes, net	31.7	31.8
Total current assets	1,007.4	1,084.2
Property, plant and equipment, net	487.3	278.1
Goodwill	874.3	487.1
Intangible assets, net	559.1	426.0
Deferred income taxes	39.6	9.6
Other assets	67.7	29.3
Total assets	3,035.4	2,314.3
Current liabilities
Accounts payable and accruals	503.5	401.4
Customer advance payments	283.4	253.6
Accrued income taxes payable	12.7	14.1
Loans payable	12.8
Current portion of long-term debt	36.4
Total current liabilities	848.8	669.1
Deferred income taxes	48.7	35.5
Postemployment and other employee benefit liabilities	86.4	109.0
Long-term debt	924.5	370.0
Other noncurrent liabilities	96.6	43.4
Total liabilities	2,005.0	1,227.0
Commitments and contingencies (Notes 8 through 13)
Stockholders' equity
Common stock, $0.01 par value, 250,000,000 shares authorized; and 79,796,175 and 80,436,896 shares issued and outstanding, respectively	0.8	0.8
Additional paid-in capital	241.6	341.9
Retained earnings	795.9	784.8
Accumulated other comprehensive loss	(6.3)	(40.2)
Total Dresser-Rand stockholders' equity	1,032.0	1,087.3
Noncontrolling interest	(1.6)
Total stockholders' equity	1,030.4	1,087.3
Total liabilities and stockholders' equity	$ 3,035.4	$ 2,314.3

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CONSOLIDATED BALANCE SHEET (Parenthetical) (USD $) In Millions, except Share data	Jun. 30, 2011	Dec. 31, 2010
Accounts receivable, allowance for losses	$ 10.0	$ 11.4
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	250,000,000	250,000,000
Common stock, shares issued	79,796,175	80,436,896
Common stock, shares outstanding	79,796,175	80,436,896

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Changes in Stockholders' Equity (Detail) (USD $) In Millions	3 Months Ended		6 Months Ended						6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011 Common Stock	Dec. 31, 2010 Common Stock	Jun. 30, 2010 Common Stock	Dec. 31, 2009 Common Stock	Jun. 30, 2011 Additional Paid-in Capital	Jun. 30, 2010 Additional Paid-in Capital	Jun. 30, 2011 Retained Earnings	Jun. 30, 2010 Retained Earnings	Jun. 30, 2011 Accumulated Other Comprehensive (Loss) Income	Jun. 30, 2010 Accumulated Other Comprehensive (Loss) Income	Jun. 30, 2011 Noncontrolling Interest
Beginning Balance			$ 1,087.3	$ 1,012.6	$ 0.8	$ 0.8	$ 0.8	$ 0.8	$ 341.9	$ 396.6	$ 784.8	$ 638.1	$ (40.2)	$ (22.9)
Stock-based employee compensation			11.2	6.9					11.2	6.9
Stock repurchase			(355.0)	(30.2)					(355.0)	(30.2)
Stock issued for acquisition			243.5						243.5
Net income	11.2	35.0	9.6	57.3							11.1	57.3			(1.5)
Other comprehensive income
Foreign currency adjustments			32.7	(59.4)									32.8	(59.4)	(0.1)
Unrealized gain on derivatives, net of $0.1 tax in 2011 and $0.2 in 2010	(0.2)	(0.3)	0.2	(0.5)									0.2	(0.5)
Pension and other postretirement benefit plans amortization - net of $0.5 tax in 2011 and $0.7 in 2010	0.5	(0.5)	0.9	(1.1)									0.9	(1.1)
Ending Balance	$ 1,030.4	$ 985.6	$ 1,030.4	$ 985.6	$ 0.8	$ 0.8	$ 0.8	$ 0.8	$ 241.6	$ 373.3	$ 795.9	$ 695.4	$ (6.3)	$ (83.9)	$ (1.6)

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Inventories (Tables)

6 Months Ended

Jun. 30, 2011

Inventories

Inventories were as follows:

		September 30,			September 30,
	June 30, 2011			December 31, 2010
Raw materials	$	81.4		$	47.2
Finished parts		165.1			125.9
Work-in-process		458.7			327.6
		705.2			500.7
Less: Progress payments		(302.3	)		(209.1	)
Total inventories, net	$	402.9		$	291.6

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Document and Entity Information	6 Months Ended
	Jun. 30, 2011	Aug. 01, 2011
Document Information [Line Items]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Jun. 30, 2011
Document Fiscal Year Focus	2011
Document Fiscal Period Focus	Q2
Trading Symbol	DRC
Entity Registrant Name	Dresser-Rand Group Inc.
Entity Central Index Key	0001316656
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		79,796,496

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Pension plans - Additional Information (Detail) (USD $) In Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Defined Benefit Plan Disclosure [Line Items]
Pension contributions	$ 3.5	$ 0.8	$ 25.7	$ 5.4

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Long-Term Debt (Tables)

6 Months Ended

Jun. 30, 2011

Debt Assumed in Connection with Acquisition of Guascor

In connection with the acquisition of Guascor, the Company assumed various long-term debt arrangements. Principal amounts outstanding under these arrangements as of June 30, 2011 are as follows:

		September 30,
Syndicated term loan and working capital line	$	18.8
Other working capital lines		16.7
Bank loans		26.6
Project financing arrangements		53.5
Subsidized loans		12.8
Participating loans		7.5
Other notes payable		58.9
	$	194.8

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Components of Net Pension Expense (Detail) (Pension Plans, Defined Benefit, USD $) In Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Pension Plans, Defined Benefit
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 2.1	$ 1.9	$ 4.1	$ 3.8
Interest cost	5.1	5.0	10.1	10.2
Expected return on plan assets	(5.6)	(5.2)	(11.0)	(10.4)
Amortization of prior service cost	0.3	0.4	0.6	0.7
Amortization of net actuarial loss	0.6	0.7	1.2	1.4
Net pension expense	$ 2.5	$ 2.8	$ 5.0	$ 5.7

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Financial Instruments

6 Months Ended

Jun. 30, 2011

Financial Instruments

7. Financial Instruments (€ in millions)

The Company manages exposure to changes in foreign currency exchange rates and interest rates through its normal operating and financing activities as well as through the use of financial instruments, principally forward exchange contracts and interest rate swaps.

The purpose of the Company’s foreign currency hedging activities is to mitigate the economic impact of changes in foreign currency exchange rates and interest rates. The Company attempts to hedge transaction exposures through natural offsets. To the extent that this is not practicable, the Company may enter into forward exchange contracts or interest rate swaps. Major exposure areas considered for hedging include foreign currency denominated receivables and payables, firm committed transactions, forecast sales and purchases and variable interest rates.

Except for one interest rate swap related to the Company’s compressor testing facility in France, the Company’s foreign currency derivative financial instruments and interest rate swaps are not designated as hedges for accounting purposes. The Company recognizes derivatives in prepaid expenses or other accounts payable and accruals, as appropriate, on the balance sheet and measures them at fair value. Changes in the fair values of derivatives are immediately recognized in the consolidated statement of income as foreign currency income or loss in other income (expense).

The following table sets forth the Company’s financial assets and liabilities that were accounted for at fair value on a recurring basis:

		September 30,		September 30,
	June 30, 2011		December 31, 2010
Foreign currency exchange contracts assets	$	7.0	$	3.7
Foreign currency exchange contracts liabilities	$	7.4	$	5.7

The net foreign currency gains (losses) recognized for currency transactions, forward currency contracts and re-measuring monetary assets and liabilities were ($2.7) and $0.9 for the three and six months ended June 30, 2011, respectively, compared to ($2.0) and ($18.1) for the three and six months ended June 30, 2010, respectively, and were included in other (expense) income, net.

As discussed previously, the Company has entered into an interest rate swap agreement to minimize the economic impact of unexpected fluctuations in interest rates on the lease of its compressor testing facility in France. The interest rate swap has a notional amount of €18.0 (approximately $26.1) and effectively converts substantially the entire interest component of the lease from a variable rate of interest to a fixed rate of interest of approximately 3.87% per annum. The interest rate swap has been designated as a cash flow hedge for accounting purposes, and unrealized gains and losses are recognized in other comprehensive income. The fair value of the interest rate swap and the related unrealized gain was $0.02 at June 30, 2011.

The carrying values of cash, accounts receivable, short-term borrowings and accounts payable are reasonable estimates of their fair value due to the short-term nature of these instruments. The fair value of debt obligations as determined by quoted market prices as of June 30, 2011, was approximately $381.3.

ASC 820, Fair Value Measurements and Disclosures, defines fair value as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date (exit price). ASC 820 classifies the inputs used to measure fair value into the following hierarchy:

Level 1	Unadjusted quoted prices in active markets for identical assets or liabilities
Level 2	Quoted prices in active markets for similar assets or liabilities, or quoted prices for identical or similar assets or liabilities in markets that are not active, or inputs other than quoted prices that are observable for the asset or liability
Level 3	Unobservable inputs for the asset or liability

Input levels used for our fair value measurements are as follows:

Description	Disclosure	Input Level	Level 2 Inputs	Level 3 Inputs
Acquired assets and liabilities	Note3	Level 3	Not applicable	Income approach using projected results and weighted average cost of capital
Long-term debt (note disclosure only)	Note 7	Level 2	Inputs other than quoted prices that are similar to the debt being valued but not identical	Not applicable
Financial derivatives	Note 7	Level 2	Quoted market prices of similar assets or liabilities in active markets	Not applicable

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Pension plans (Tables)

6 Months Ended

Jun. 30, 2011

Components of Net Pension Expense

The components of net pension expense were as follows:

		September 30,			September 30,			September 30,			September 30,
	Three months ended June 30,						Six months ended June 30,
	2011			2010			2011			2010
Service cost	$	2.1		$	1.9		$	4.1		$	3.8
Interest cost		5.1			5.0			10.1			10.2
Expected return on plan assets		(5.6	)		(5.2	)		(11.0	)		(10.4	)
Amortization of prior service cost		0.3			0.4			0.6			0.7
Amortization of net actuarial loss		0.6			0.7			1.2			1.4
Net pension expense	$	2.5		$	2.8		$	5.0		$	5.7

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Input Levels Used for Fair Value Measurements (Detail)	6 Months Ended
	Jun. 30, 2011
Inputs Level | Acquired Assets and Liabilities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Input Levels Used for Fair Value Measurements	Level 3
Inputs Level | Long-term Debt
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Input Levels Used for Fair Value Measurements	Level 2
Inputs Level | Financial derivatives
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Input Levels Used for Fair Value Measurements	Level 2
Level 2 | Acquired Assets and Liabilities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Input Levels Used for Fair Value Measurements	Not applicable
Level 2 | Long-term Debt
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Input Levels Used for Fair Value Measurements	Inputs other than quoted prices that are similar to the debt being valued but not identical
Level 2 | Financial derivatives
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Input Levels Used for Fair Value Measurements	Quoted market prices of similar assets or liabilities in active markets
Level 3 | Acquired Assets and Liabilities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Input Levels Used for Fair Value Measurements	Income approach using projected results and weighted average cost of capital
Level 3 | Long-term Debt
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Input Levels Used for Fair Value Measurements	Not applicable
Level 3 | Financial derivatives
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Input Levels Used for Fair Value Measurements	Not applicable

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Changes in Goodwill (Detail) (USD $) In Millions	6 Months Ended
	Jun. 30, 2011
Goodwill [Line Items]
Beginning Balance	$ 487.1
Acquisitions	371.4
Foreign currency adjustments	15.8
Ending Balance	874.3
New Units
Goodwill [Line Items]
Beginning Balance	151.3
Acquisitions	360.7
Ending Balance	512.0
Aftermarket parts and services
Goodwill [Line Items]
Beginning Balance	335.8
Acquisitions	10.7
Foreign currency adjustments	15.8
Ending Balance	$ 362.3

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Financial Instruments (Tables)

6 Months Ended

Jun. 30, 2011

Financial Assets and Liabilities Accounted for at Fair value on a Recurring Basis

The following table sets forth the Company’s financial assets and liabilities that were accounted for at fair value on a recurring basis:

		September 30,		September 30,
	June 30, 2011		December 31, 2010
Foreign currency exchange contracts assets	$	7.0	$	3.7
Foreign currency exchange contracts liabilities	$	7.4	$	5.7

Input Levels Used for Fair Value Measurements

Input levels used for our fair value measurements are as follows:

Description	Disclosure	Input Level	Level 2 Inputs	Level 3 Inputs
Acquired assets and liabilities	Note3	Level 3	Not applicable	Income approach using projected results and weighted average cost of capital
Long-term debt (note disclosure only)	Note 7	Level 2	Inputs other than quoted prices that are similar to the debt being valued but not identical	Not applicable
Financial derivatives	Note 7	Level 2	Quoted market prices of similar assets or liabilities in active markets	Not applicable

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Commitments and contingencies

6 Months Ended

Jun. 30, 2011

Commitments and contingencies

12. Commitments and contingencies

We are involved in various litigation, claims and administrative proceedings, arising in the normal course of business. Amounts recorded for identified contingent liabilities are estimates, which are regularly reviewed and adjusted to reflect additional information when it becomes available. We are indemnified by our former owner, Ingersoll Rand Company Limited, for certain of these matters as part of Ingersoll Rand’s sale of the Company. While adverse decisions in certain of these litigation matters, claims and administrative proceedings could have a material effect on a particular period’s results of operations, subject to the uncertainties inherent in estimating future costs for contingent liabilities and the benefit of the indemnity from Ingersoll Rand, management believes that any future accruals, with respect to these currently known contingencies, would not have a material effect on the financial condition, liquidity or cash flows of the Company.

Painted Post Labor Litigation

In November of 2007, Local 313 of IUE-CWA, the union that represents certain employees at the Company’s Painted Post facility (the “IUE”) made an offer to have its striking members return to work under the terms of the previously expired union agreement. The Company rejected that offer and locked out these represented employees. Approximately one week later, after reaching an impasse in negotiations, the Company exercised its right to implement the terms of its last contract offer, ended the lockout, and the employees represented by the IUE agreed to return to work under the implemented terms. Subsequently, the IUE filed several unfair labor practice (“ULP”) charges against the Company with Region 3 of the National Labor Relations Board (“NLRB”), asserting multiple allegations arising from the protracted labor dispute, its termination, contract negotiations and related matters.

Region 3 of the NLRB decided to proceed to complaint on only one-third of the ULP allegations asserted by the IUE, while the remaining claims were dismissed. Notably, the NLRB found that many of the critical aspects of the Company’s negotiations with the IUE were handled appropriately, including the NLRB’s findings that the union’s strike was not an unfair labor practice strike and the Company’s declaration of impasse and its unilateral implementation of its last offer were lawful. The Company, therefore, continued to operate under a more contemporary and competitive implemented contract offer while contract negotiations with the IUE continued in 2008 and 2009. In November 2009, a collective bargaining agreement between the IUE and the Company was ratified, which agreement expires in March 2013. As a result, the Company was not required to make available the retiree medical benefits which the Company eliminated in its implemented last contract offer. The Company recognized a non-cash curtailment amendment gain of $18.6 in other comprehensive income in December 2007 that was amortized over 36 months beginning January 2008, as a result of the elimination of those benefits.

The claims that proceeded to complaint before the NLRB included the Company’s handling of the one week lockout, the negotiation of the recall process used to return employees to the facility after reaching impasse and lifting the lockout, and the termination of two employees who engaged in misconduct on the picket line during the strike. The trial of this matter took place before a NLRB Administrative Law Judge (the “ALJ”) in Elmira and Painted Post, N.Y. during the summer of 2009. On January 29, 2010, the ALJ issued his decision in which he found in favor of the union on some issues and upheld the Company’s position on others. The Company continues to believe it complied with the law with respect to these allegations. While management believes it should ultimately prevail with respect to these ULP allegations, several levels of appeal may be necessary. The litigation process, including appeals if elected by either party, could reasonably take 3 to 5 years and potentially even longer to resolve with finality. Given the broad scope of possible remedies that may apply pursuant to conflicting case law, the Company cannot estimate the range of loss at this time. Although the ultimate outcome of these matters cannot be ascertained at this time, it is the opinion of management that the resolution of such matters will not have a material adverse effect on the Company’s financial condition.

U.K. Pension Plan

During July 2009, the Company received notification from the current plan trustees of one of its subsidiaries’ pension plans in the United Kingdom that sex equalization under the plan may have been achieved later than originally expected. The third-party trustee at the time action was taken believes that it had taken the appropriate steps to properly amend the plan as originally expected. The Company has accrued $4.8 to address contingent exposure regarding this dispute over potential unequal treatment of men and women under the pension plan related to a period in the 1990s and is exploring its rights against others.

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Acquisitions and other investments

6 Months Ended

Jun. 30, 2011

Acquisitions and other investments

3. Acquisitions and other investments

On March 3, 2011, the Company, Grupo Guascor, S. L. (“Guascor”) and the stockholders of Guascor entered into a Share Purchase Agreement (the “SPA”) pursuant to which the Company would acquire all of the issued and outstanding capital stock of Guascor. On May 4, 2011, the acquisition of Guascor’s capital stock by the Company pursuant to the SPA was consummated, at which time, Guascor became a 100%-owned subsidiary of the Company. The Guascor acquisition excluded the assets and liabilities of Guascor Fotón AGF, S.L. and Guascor Fotón, S.L. (together, “Fotón”), which were sold by Guascor to a third party, on May 4, 2011 pursuant to the SPA. Fotón, under a limited license, develops and manufactures photovoltaic cells and systems utilizing high concentration photovoltaics with technology developed by a third party, in which Fotón has a less than 10% equity ownership. The Company also received an option to acquire Fotón for a de minimus payment, which may be excercised over a ten year period, beginning on January 1, 2014. The Guascor acquisition was approved by the shareholders of Guascor, and a variety of required regulatory approvals, licenses and clearances were received. Pursuant to the SPA, the Company paid approximately $261.9 net of acquired cash and delivered 5,033,172 shares of Dresser-Rand common stock at closing. The total purchase price was approximately $548.4. The SPA includes an adjustment to the purchase price based on the difference in net debt (debt less cash) as defined in the SPA and net debt as of the date of closing that could take up to 180 days from the date of closing to settle.

Guascor was a privately held company founded in 1966 and is headquartered in Vitoria-Gasteiz, Spain. Guascor is a supplier of diesel and gas engines who provides customized energy solutions across worldwide energy infrastructure markets based upon reciprocating engine power systems technologies. Guascor also has substantial experience in other complementary activities such as the design, construction and development of energy generation and cogeneration plants and mini-hydroelectric plants, and the development and exploitation of wind farms and biomass, used oil and landfill energy recovery, photovoltaic solar energy, farming purine processing, and used tire facilities. Guascor conducts its activities globally. Its principal operations are in Spain, Brazil and Italy, and its net loss and revenues were approximately 28% and 8%, respectively, of the Company’s net income and revenues for the six months ended June 30, 2011.

The purchase price for Guascor was allocated to the net tangible and intangible assets acquired and liabilities assumed based on their preliminary fair value estimates. The excess of the purchase price over the fair values of the assets acquired and liabilities assumed was recorded as goodwill. Our estimates and assumptions are subject to change within the measurement period (up to one year from the acquisition date). The acquisition accounting for Guascor is dependent upon certain valuations and other studies that have yet to progress to a stage where there is sufficient information for a definitive measurement. Accordingly, the purchase price allocation may be revised as additional information becomes available and as additional analyses are performed. Differences between the preliminary and the final acquisition accounting may occur, and these differences could have a material impact on the accompanying consolidated financial statements and the Company’s future results of operations and financial position.

On January 18, 2010, the Company acquired certain assets of Leading Edge Turbine Technologies, Inc. (such business being referred to as “LETT”), located in Houston, Texas for $34.3. LETT is a provider of turbine technologies applicable to industrial gas turbines, steam turbines and compressor repair. The acquisition allowed the Company to expand its service offering in its current market and provides the Company with access to adjacent markets. The purchase agreement includes the potential for additional cash consideration based on achieving certain revenue and earnings before interest, tax, depreciation, and amortization (“EBITDA”) targets over a three-year period ending on December 31, 2012. The additional consideration is up to a maximum of $5.5 depending upon the achievement of such targets.

On May 3, 2010, the Company acquired certain assets of Turbo Machines Field Services (Pty) Ltd. (such business being referred to as “TMFS”), for $10.5. TMFS operates a repair facility near Johannesburg, South Africa. TMFS manufactures turbine blades, compressor impellers, bearings and seals for steam turbine and centrifugal compressor products. Additionally, TMFS provides engineered solutions for equipment upgrades and field services for critical rotating equipment applications. TMFS clients are in the oil, gas, petrochemical, and industrial sectors. The acquisition provides the Company the ability to expand its service offering in South Africa and the rest of the sub-Saharan market. The purchase agreement includes the potential for additional cash consideration based on achieving certain annual and cumulative earnings before interest, tax, depreciation, and amortization (“EBITDA”) targets over a three-year period ending on June 30, 2013. The additional consideration is up to a maximum of $4.0 depending upon the achievement of such targets.

The estimated fair values of the additional consideration for the LETT and TMFS acquisitions of $2.6 and $2.6, respectively, at June 30, 2011, are included as liabilities in the Company’s consolidated financial statements. Changes in the fair values since the date of acquisition are recognized immediately in the applicable consolidated statements of income until the contingencies are resolved.

In addition to the cash paid for acquisitions discussed above, on January 22, 2010, the Company paid $24.1 of additional cash consideration in connection with its 2008 acquisition of certain assets of Peter Brotherhood Ltd.

Goodwill is principally comprised of expected synergies from combining operations of the acquired businesses and the Company. A portion of the goodwill associated with the Guascor acquisition may be amortized for income tax purposes over a period of not less than five years. Due to the preliminary nature of the opening balance sheet allocation and the preliminary nature of certain tax planning strategies, the amount of goodwill amortization that may be deductible for income tax purposes has not yet been determined. A deferred tax liability has been provided on the incremental fair values assigned to the assets. If the Company is successful in obtaining approval from tax authorities and implementing certain tax planning strategies, a portion of the deferred tax liability may be reversed, and could reduce future income tax expense materially. The amortization of goodwill related to the LETT acquisition is deductible for income tax purposes over 15 years. The amortization of goodwill related to the TMFS acquisition is not deductible for income tax purposes.

The acquisition prices were allocated to the fair values of assets acquired and liabilities assumed as follows:

		September 30,			September 30,
	2011			2010
Cash and cash equivalents	$	43.0		$	—
Restricted cash		14.9			—
Accounts receivable, net		90.6			4.1
Inventory, net		72.0			2.5
Prepaid expenses and other		12.3			—
Total current assets		232.8			6.6
Property, plant and equipment		205.1			12.9
Amortizable intangible assets		148.5			16.8
Goodwill		371.4			15.9
Deferred income taxes, net		16.0			—
Other assets		21.9			—
Total assets acquired		995.7			52.2
Accounts payable and accruals		137.2			1.3
Customer advance payments		8.7			—
Accrued income taxes payable		2.5			—
Current portion of long-term debt		99.1			—
Long-term debt		149.4			—
Other noncurrent liabilities		50.4			—
Total liabilities assumed		447.3			1.3
Purchase price		548.4			50.9
Fair value of contingent consideration (non-cash)		—			(6.1	)
Fair value of Dresser-Rand common stock as partial consideration		(243.5	)		—
Cash acquired		(43.0	)		—
Cash paid	$	261.9		$	44.8

The following unaudited supplemental pro forma results present consolidated information as if the Guascor acquisition had been completed as of January 1, 2010. The pro forma results include: (i) the depreciation associated with the additional fair value of the acquired property, plant and equipment, (ii) the amortization associated with an estimate of the acquired intangible assets, (iii) interest expense associated with debt used to fund the acquisition and the portion of the accelerated stock acquisition plans executed to offset the number of shares issued in connection with the acquisition, (iv) non-recurring costs of $7.9 and $13.0 for the three and six months ended June 30, 2011, respectively, directly related to the acquisition of Guascor and (v) the income tax effect of these adjustments. The pro forma results should not be considered indicative of the results that would have occurred if the acquisition and related borrowings had been consummated as of January 1, 2010, nor are they indicative of future results.

		September 30,		September 30,		September 30,		September 30,
	Three months ended June 30,				Six months ended June 30,
	2011		2010		2011		2010
Total revenues	$	621.6	$	499.6	$	1,071.0	$	1,092.6
Net income attributable to Dresser-Rand	$	16.9	$	34.1	$	21.5	$	59.8
Diluted earnings per share attributable to Dresser-Rand	$	0.22	$	0.42	$	0.27	$	0.73

Pro forma financial information, assuming the LETT and TMFS acquisitions occurred as of January 1, 2010, has not been presented because the effect on our results for each period presented is not considered material. The results of all acquisitions have been included in our consolidated financial results since the date of each acquisition. All acquisitions have been integrated into the Company’s existing new units and aftermarket parts and services segments.

Other Investments

In 2008, the Company entered into an agreement by which it acquired a non-controlling interest in Ramgen Power Systems, LLC (“Ramgen”), a privately held company that is developing compressor technology that applies proven supersonic aircraft technology to ground-based air and gas compressors. In addition to receiving a non-controlling interest, the Company received an option to acquire the business of Ramgen at a price of $25.0 and a royalty commitment. The option is exercisable at any time through October 28, 2012. Pursuant to the agreement, an initial investment of $5.0 was made in November 2008, and our final contractually obligated investment of $5.0 was made in May 2009. The Company also made optional investments in November 2009 of $5.0 and November 2010 of $5.0, which resulted in an aggregate non-controlling interest of 29.2%. The agreement allows the Company to make an additional optional investment of $4.0 by October 2011. The Company’s maximum exposure to loss on its investment in Ramgen is limited to the amounts invested. In determining whether the Company should consolidate Ramgen, the Company considered that its Board participation, ownership interest and the option would not give the Company the ability to direct the activities of Ramgen, and consequently, would not result in the Company being the primary beneficiary. The investment in Ramgen is being accounted for under the equity method of accounting.

In April 2009, the Company and Al Rushaid Petroleum Investment Company (“ARPIC”) executed and delivered a Business Venture Agreement to form a joint venture, Dresser-Rand Arabia LLC (“D-R Arabia”). D-R Arabia will be a center of excellence in the Kingdom of Saudi Arabia for manufacturing, repairs, service, technical expertise and training. The Company owns approximately 50% of D-R Arabia. The Company made a cash contribution of approximately $0.3 and will license D-R Arabia to use certain intellectual property. ARPIC owns approximately 50% of the joint venture and made a cash contribution of approximately $0.3. In determining whether the Company should consolidate D-R Arabia, the Company considered that its ownership and Board participation would give the Company the ability to direct the activities of D-R Arabia which would result in the Company being the primary beneficiary. Consequently, D-R Arabia is consolidated in the financial results of the Company.

In February 2011, the Company entered into an agreement to acquire a non-controlling interest in Echogen Power Systems, LLC (“Echogen”), a privately held technology development company that is developing and commercializing power generation systems that harness waste heat for power and cooling applications. The Company also acquired certain broad license rights in certain of the Company’s key industries and will pay Echogen a royalty based on future equipment sales in these markets. Commercialization is anticipated to begin in 2012. Pursuant to the agreement, the Company made an initial investment of $5.0 in February 2011 and a $1.3 license fee payment, and made an additional investment of $5.0 and an additional $0.7 license fee payment in July 2011. The $10.0 investment resulted in an ownership interest in Echogen of approximately 20%. The investment was accounted for under the cost method in the six months ended June 30, 2011, and under the equity method beginning July 1, 2011.

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Cost and Related Accumulated Amortization of Intangible Assets (Detail) (USD $) In Millions, unless otherwise specified	6 Months Ended		12 Months Ended
	Jun. 30, 2011 Year		Dec. 31, 2010 Year
Finite-Lived Intangible Assets [Line Items]
Cost	$ 687.0		$ 536.9
Accumulated Amortization	127.9		110.9
Trade names
Finite-Lived Intangible Assets [Line Items]
Cost	119.8		94.4
Accumulated Amortization	15.6		14.2
Weighted Average Useful Lives	39		39
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Cost	336.5		264.5
Accumulated Amortization	48.2		42.5
Weighted Average Useful Lives	33		33
Existing technology
Finite-Lived Intangible Assets [Line Items]
Cost	145.1		145.0
Accumulated Amortization	37.5		34.2
Weighted Average Useful Lives	24		24
Contracts and purchase agreements
Finite-Lived Intangible Assets [Line Items]
Cost	25.6
Accumulated Amortization	0.5
Weighted Average Useful Lives	11
Software
Finite-Lived Intangible Assets [Line Items]
Cost	31.8		30.6
Accumulated Amortization	20.4		18.8
Weighted Average Useful Lives	10		10
Non-compete agreements
Finite-Lived Intangible Assets [Line Items]
Cost	6.7		2.4
Accumulated Amortization	1.8		1.2
Weighted Average Useful Lives	3		3
Maximum | Order backlog
Finite-Lived Intangible Assets [Line Items]
Weighted Average Useful Lives	1
Order backlog
Finite-Lived Intangible Assets [Line Items]
Cost	7.8
Accumulated Amortization	3.9
In-process research and development
Finite-Lived Intangible Assets [Line Items]
Cost	$ 13.7
Weighted Average Useful Lives		[1]

[1] In-process research and development will be amortized over 10 years beginning at the time revenues are generated.

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Long-Term Debt

6 Months Ended

Jun. 30, 2011

Long-Term Debt

9. Long-Term Debt

Senior Secured Credit Facility

On March 15, 2011, the Company and certain of its foreign subsidiaries entered into a credit agreement with a syndicate of lenders (the “Senior Secured Credit Facility”), and terminated its existing credit facility. The obligations of the Company under the Senior Secured Credit Facility are secured by mortgages on certain real and other property and are guaranteed by certain material domestic subsidiaries of the Company (the “Domestic Guarantors”). The obligations of the French subsidiary borrower under the Senior Secured Credit Facility are guaranteed by the Company, the Domestic Guarantors and the direct French subsidiary of such French borrower. Interest expense for the six months ended June 30, 2011, includes $2.1 of accelerated amortization of deferred financing fees as a result of terminating our previous Senior Secured Credit Facility. In connection with entering into the Senior Secured Credit Facility, the Company incurred fees of $9.5, which are being amortized under the effective interest method over the term of the Senior Secured Credit Facility.

The Senior Secured Credit Facility consists of a $600.0 revolving credit facility and a $400.0 term loan facility. The term loan facility provided for an initial draw in the amount of $160.0 and one additional delayed draw of up to the remaining $240.0 commitment, which was initiated by the Company as a Euro-based term loan on May 17, 2011. At the end of each quarter commencing June 30, 2012, the term loan facility requires the Company to make principal payments equal to one and one-quarter percent (1.25%) of the term loan balance outstanding immediately following the end of the delayed draw availability period. Voluntary prepayments may be used to satisfy mandatory principal payments. Any principal amount outstanding under the revolving credit facility and term loan facility is due and payable in full at maturity on March 15, 2016. At June 30, 2011, term loan borrowings totaled $160.0 and there was $20.5 in borrowings outstanding under the revolving credit facility. The Company had issued $176.0 of letters of credit under the revolving credit facility at June 30, 2011. In addition to these letters of credit, $121.0 of letters of credit and bank guarantees were outstanding at June 30, 2011, which were issued by banks offering uncommitted lines of credit.

Revolving and term loan borrowings under the Senior Secured Credit Facility bear interest, at the Company’s election, at either (a) a rate equal to an applicable margin ranging from 2.00% to 2.75%, depending on the Company’s leverage ratio, plus a LIBOR rate determined by reference to the costs of funds for the offering of deposits in U.S. dollars (or with respect to Euro-denominated borrowings only, the costs of funds for the offering of deposits in Euros) for the interest period relevant to such borrowing adjusted for certain additional costs or (b) a rate equal to an applicable margin ranging from 1.00% to 1.75%, depending on the Company’s leverage ratio plus a base rate determined by reference to the highest of (1) the rate that the administrative agent announces from time to time as its base commercial lending rate, (2) the federal funds effective rate plus  ¹/2 of 1% and (3) the adjusted LIBOR rate for a one month period plus 1%.

In addition to paying interest on outstanding principal under the Senior Secured Credit Facility, the Company is required to pay a commitment fee to the lenders under the revolving credit facility in respect of the unutilized commitments at a rate ranging from 0.375% to 0.50% per annum depending on the Company’s leverage ratio. The Company will also pay letter of credit fees equal to an applicable margin then in effect with respect to LIBOR loans under the revolving credit facility on the face amount of each financial letter of credit, and a rate ranging from 1.20% to 1.65% per annum on the face amount of each performance letter of credit.

The Senior Secured Credit Facility requires that certain net proceeds related to asset sales, to the extent not reinvested in assets used or useful in the Company’s business within one year, be used to pay down the outstanding balance. The Company may voluntarily prepay outstanding loans under the Senior Secured Credit Facility at any time without premium or penalty, other than customary brokerage costs. The Senior Secured Credit Facility contains normal and customary covenants including the provision of periodic financial information, financial covenants (including a maximum leverage ratio and a minimum interest coverage ratio), and certain other limitations governing, among others, such matters as the Company’s ability to incur additional debt, grant liens on assets, make investments, acquisitions or mergers, dispose of assets, make capital expenditures, engage in transactions with affiliates, make amendments to documentation for the Company’s Senior Subordinated Notes that would be materially adverse to lenders, and pay dividends and distributions or repurchase capital stock. The Senior Secured Credit Facility also provides for customary events of default.

Senior Subordinated Notes

On March 8, 2011, the Company announced a cash tender offer to purchase any and all of its $370.0 then-outstanding 7 ³/8% Senior Subordinated Notes, which would have matured on November 1, 2014. The tender offer provided total consideration to those tendering on or before March 21, 2011 equal to the principal amount of the notes plus 2.8%, and accrued interest. Approximately $291.3 of notes were tendered in the tender offer and were subsequently repurchased by the Company. On March 23, 2011, the Company announced the redemption of all of the remaining 7 ³/8% Senior Subordinated Notes at the call price of 102.458% of the face amount of notes. This redemption was completed on April 22, 2011. Following the redemption, the 7 ³/8% Senior Subordinated Notes are no longer outstanding. In connection with the redemption, for the three and six months ended June 30, 2011, the Company recorded non-operating expense of approximately $1.9 and $10.1, respectively, for early redemption premiums. Interest expense for the three and six months ended June 30, 2011 includes $1.3 and $6.4, respectively, of accelerated amortization of deferred financing fees as a result of redeeming the then-outstanding 7 ³/8% Senior Subordinated Notes.

On March 22, 2011, the Company issued $375.0 of new Senior Subordinated Notes, which bear interest at a rate of 6 ¹/2% per annum. The new notes will mature on May 1, 2021. The Company may redeem any of the notes beginning on May 1, 2016 at a redemption price of 103.250% of their principal amount, plus accrued interest. The redemption price will decline each year after 2016 and will be 100% of their principal amount, plus accrued interest, beginning on May 1, 2019. Prior to May 1, 2016, the Company may redeem the notes at a redemption price of 100% of the principal amount of the notes plus a “make-whole” premium and accrued interest. Prior to May 1, 2014, the Company may redeem up to 35% of the notes with the net cash proceeds from certain equity offerings at a redemption price of 106.5% of the principal amount of the notes plus accrued interest. In connection with issuing the 6 ¹/2 % Senior Subordinated Notes, the Company incurred fees of $3.7, which are being amortized on the effective interest method over the term of the notes.

All of the New Senior Subordinated Notes are general unsecured obligations and are guaranteed on a senior subordinated basis by certain of the Company’s material domestic subsidiaries and rank junior to the Company’s Senior Secured Credit Facility. The New Senior Subordinated Notes contain customary covenants including certain limitations and restrictions on the Company’s ability to incur additional indebtedness, create liens, pay dividends and make distributions in respect of capital stock, redeem capital stock, make investments or certain other restricted payments, sell assets, issue or sell stock of restricted subsidiaries, enter into transactions with affiliates and effect consolidations or mergers.

The dividends and distributions covenant under the Company’s Senior Secured Credit Facility allows the Company to pay dividends on or repurchase, redeem, or otherwise acquire for value, its outstanding shares in an aggregate amount not to exceed the sum of $200.0 plus 50% of the Company’s net income for the period commencing January 1, 2010 and ending on the day of the most recently ended fiscal quarter. The limitation on shares to be repurchased under this covenant excludes the accelerated share acquisition programs that were executed on March 15 and March 22, 2011 (Note 15).

Debt Assumed with the Acquisition of Guascor

In connection with the acquisition of Guascor, the Company assumed various long-term debt arrangements. Principal amounts outstanding under these arrangements as of June 30, 2011 are as follows:

		September 30,
Syndicated term loan and working capital line	$	18.8
Other working capital lines		16.7
Bank loans		26.6
Project financing arrangements		53.5
Subsidized loans		12.8
Participating loans		7.5
Other notes payable		58.9
	$	194.8

The Company is required to maintain sinking funds associated with certain of the borrowings assumed in the acquisition of Guascor generally based on the short term debt service requirements of such borrowings. Sinking fund requirements totaled $11.2 and have been classified as restricted cash in the consolidated balance sheet.

Syndicated Term Loan and Working Capital Line

The Company has entered into a term loan and a working capital line with a syndicate of lenders. At June 30, 2011, the Company had $18.8 outstanding under the term loan and no borrowings outstanding on the working capital line. The obligations of the Company under the syndicated term loan and working capital line are secured by mortgages on certain property and intangible assets as well as the shares of substantially all of the material subsidiaries of Guascor. Principal payments on the term loan of $1.2 are payable quarterly, with all principal and interest outstanding due and payable in full at maturity on December 30, 2013. Syndicated term loan borrowings bear interest at the three-month Euribor rate plus 2.75% per annum. The working capital line allows for borrowings of up to approximately $12.0, subject to Guascor maintaining a syndicated loan to equity ratio, on or after December 30, 2011, of less than 1.5. Interest on the working capital line accrues at the three-month Euribor rate plus 2.25% per annum. The working capital line expires on December 30, 2013. Approximately $4.8 of the principal is scheduled to be repaid in 2012, and approximately $14.0 is scheduled to be repaid in 2013.

Other Working Capital Lines

The Company has other working capital lines with a total outstanding principal balance of $16.7, of which balance approximately $12.0 was borrowed from banks in Spain and approximately $4.7 was borrowed from banks in Brazil. Interest rates for borrowings in Spain range from Euribor plus 0.65% to Euribor plus 2.75% and interest rates for borrowings in Brazil range from the 17.0% to the 18.4%. Principal on other working capital lines is scheduled to be repaid as follows: $12.1 in 2011; $1.7 in 2012; $2.1 in 2013; and $0.8 in 2014.

Bank Loans

The Company has various bank loans with a total outstanding principal balance of $26.6, of which balance approximately $13.4 was borrowed from banks in Spain, approximately $7.3 was borrowed from banks in Italy, and approximately $5.9 was borrowed from banks in Brazil. Interest rates for borrowings in Spain and Italy range from Euribor plus 0.65% to Euribor plus 2.75% per annum. Substantially all of the borrowings in Brazil are import financing arrangements that bear interest at rates ranging from 3.4% to 6.1% per annum. The bank loans have varying repayment schedules and principal is scheduled to be repaid as follows: $7.0 in 2011; $12.2 in 2012; $5.1 in 2013; and $2.3 in 2014.

Project Financing Arrangements

Approximately $34.2 of the outstanding project financing balance is associated with pig manure treatment facilities in Spain, which bear interest at the six-month Euribor rate plus 1.25% per annum. Approximately $19.3 of the outstanding project financing balance is related to the design, construction and development of energy generation and cogeneration plants in Brazil, which bear interest at rates ranging from 4.5% per annum to the Brazilian General Interest of Market Prices (IGPM) plus 13.0% per annum. Each loan is senior to all other debt on the related project and is generally secured by the assets of the project and the stock of the borrowing subsidiary. Principal on project financing arrangements is scheduled to be repaid as follows: $7.4 in 2011; $12.5 in 2012; $10.7 in 2013; $6.5 in 2014; $6.3 in 2015; and $10.1 thereafter.

Subsidized Loans

The Company has applied for and received loans from the Ministry of Science and Technology in Spain, the Center for the Development of Industrial Technology in Spain and other similar government agencies, which loans do not bear interest. Interest has been imputed on the loans for purposes of financial reporting. Principal and imputed interest on subsidized loans is scheduled to be repaid as follows: $1.8 in 2011; $2.3 in 2012; $2.4 in 2013; $2.1 in 2014; $1.8 in 2015; and $6.8 thereafter.

Participating Loans

The Company has two participating loans that bear interest at six-month Euribor plus 2% per annum plus additional interest that accrues based on Guascor’s consolidated results up to a maximum additional rate of Euribor plus 6% per annum. Principal on the participating loans is scheduled to be repaid as follows: $0.8 in 2011; $2.2 in 2012; $2.1 in 2013; $1.1 in 2014; and $1.3 in 2015.

Other Notes Payable

Other notes payable consist of notes with third parties with varying payment features. Approximately $22.1 of other notes payable plus accrued interest is contingently repayable when 75% of the syndicated term loan (described above) has been repaid. Approximately $10.8 of other notes payable plus accrued interest is repayable when such syndicated loan is fully repaid. Approximately $19.2 of the outstanding balance is related to a previous equity ownership of one of Guascor’s subsidiaries, which has been called and is payable in cash, and is compounding interest at an annual rate of 13.0%. Excluding the called equity, interest rates on other notes payable range from one-year Euribor plus 0.75% to one-year Euribor plus 1.25% per annum. Principal on other notes payable, excluding obligation associated with the called equity, is scheduled to be repaid as follows: $0.9 in 2011; $1.7 in 2012; $23.9 in 2013; $1.7 in 2014; $0.7 in 2015; and $10.8 thereafter.

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Segment information

6 Months Ended

Jun. 30, 2011

Segment information

14. Segment information

We have two reportable segments based on the engineering and production processes, and the products and services provided by each segment as follows:

1) New units are highly engineered solutions to new requests from clients and include standardized equipment such as engines and single stage turbines. The segment includes engineering, manufacturing, sales and administrative support.

2) Aftermarket parts and services consist of support solutions for the existing population of installed equipment and the operation and maintenance of several types of energy plants. The segment includes engineering, manufacturing, sales and administrative support.

Unallocated amounts represent expenses and assets that cannot be assigned directly to either reportable segment because of their nature. Unallocated net expenses include certain corporate expenses and research and development expenses. Assets that are directly assigned to the two reportable segments are trade accounts receivable, net inventories, and goodwill. Unallocated assets include cash, prepaid expenses and other, deferred taxes, property, plant and equipment, and intangible assets.

Segment results for the three and six months ended June 30, 2011, and 2010 were as follows:

		September 30,			September 30,			September 30,			September 30,
	Three months ended June 30,						Six months ended June 30,
	2011			2010			2011			2010
Revenues
New units	$	301.4		$	167.7		$	446.3		$	452.9
Aftermarket parts and services		287.5			263.5			496.8			480.4
Total revenues	$	588.9		$	431.2		$	943.1		$	933.3
Operating Income
New units	$	22.0		$	28.7		$	35.5		$	69.1
Aftermarket parts and services		46.1			58.2			75.0			104.0
Unallocated		(30.2	)		(24.0	)		(53.4	)		(45.8	)
Total operating income	$	37.9		$	62.9		$	57.1		$	127.3
Depreciation and Amortization
New units	$	11.8		$	5.1		$	17.3		$	12.5
Aftermarket parts and services		11.5			7.5			19.7			13.3
Total depreciation and amortization	$	23.3		$	12.6		$	37.0		$	25.8
Assets (including Goodwill)
New units	$	698.8		$	265.5		$	698.8		$	265.5
Aftermarket parts and services		935.4			755.7			935.4			755.7
Unallocated		1,401.2			1,001.2			1,401.2			1,001.2
Total assets	$	3,035.4		$	2,022.4		$	3,035.4		$	2,022.4

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Pension plans

6 Months Ended

Jun. 30, 2011

Pension plans

10. Pension plans

The components of net pension expense were as follows:

		September 30,			September 30,			September 30,			September 30,
	Three months ended June 30,						Six months ended June 30,
	2011			2010			2011			2010
Service cost	$	2.1		$	1.9		$	4.1		$	3.8
Interest cost		5.1			5.0			10.1			10.2
Expected return on plan assets		(5.6	)		(5.2	)		(11.0	)		(10.4	)
Amortization of prior service cost		0.3			0.4			0.6			0.7
Amortization of net actuarial loss		0.6			0.7			1.2			1.4
Net pension expense	$	2.5		$	2.8		$	5.0		$	5.7

The Company made pension contributions of $3.5 and $25.7, respectively, during the three and six months ended June 30, 2011, and $0.8 and $5.4, respectively, during the three and six months ended June 30, 2010.

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Acquisitions and Other Investments - Additional Information (Detail) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended	6 Months Ended		1 Months Ended	6 Months Ended		3 Months Ended	6 Months Ended				3 Months Ended	6 Months Ended				1 Months Ended						6 Months Ended		1 Months Ended		6 Months Ended	1 Months Ended
	Jun. 30, 2011	Jun. 30, 2011	Jun. 30, 2010	May 31, 2011 Guascor	Jun. 30, 2011 Guascor	May 04, 2011 Guascor Year	Jun. 30, 2011 Guascor Minimum Year	Jun. 30, 2011 Guascor Spain, Brazil and Italy	Jun. 30, 2011 Leading Edge Turbine Technologies Inc. Year	Jan. 18, 2010 Leading Edge Turbine Technologies Inc.	Jun. 30, 2011 Leading Edge Turbine Technologies Inc. Maximum	Jun. 30, 2011 Leading Edge Turbine Technologies Inc. Minimum Year	Jun. 30, 2011 Turbo Machines Field Services Pty Ltd. Year	May 03, 2010 Turbo Machines Field Services Pty Ltd.	Jun. 30, 2011 Turbo Machines Field Services Pty Ltd. Maximum	Jan. 22, 2010 Peter Brotherhood Ltd.	Nov. 30, 2010 Ramgen Power Systems LLC.	Nov. 30, 2009 Ramgen Power Systems LLC.	May 31, 2009 Ramgen Power Systems LLC.	Nov. 30, 2008 Ramgen Power Systems LLC.	Jun. 30, 2011 Ramgen Power Systems LLC.	Dec. 31, 2008 Ramgen Power Systems LLC.	Jun. 30, 2011 Ramgen Power Systems LLC. Maximum	Jun. 30, 2011 Ramgen Power Systems LLC. Subsequent Event	Apr. 30, 2009 Dresser Rand Arabia LLC	Jun. 30, 2011 Echogen	Jun. 30, 2011 Echogen Subsequent Event	Feb. 28, 2011 Echogen Initial investment
Business Acquisition [Line Items]
Business acquisition, ownership percentage				100.00%
Cash paid	$ 261.9	$ 261.9	$ 44.8			$ 261.9
Common stock issued for acquisition						5,033,172
Purchase price	548.4	548.4	50.9			548.4
Option to acquire Foton, exercise period						10
Option to acquire Foton, beginning exercise period						2014-01-01
Share purchase agreement					The SPA includes an adjustment to the purchase price based on the difference in net debt (debt less cash) as defined in the SPA and net debt as of the date of closing that could take up to 180 days from the date of closing to settle.
Net loss percentage of the Company's total net income								28.00%
Net revenue percentage of the Company's total net revenue								8.00%
Assets acquired	995.7	995.7	52.2							34.3				10.5
Business Acquisition, Additional Contingent consideration											5.5				4.0
Business Acquisition, Additional Contingent consideration payment period									3				3
Business Acquisition, Additional Contingent consideration, payment date									Dec. 31, 2012				Jun. 30, 2013
Assets acquired date									January 18, 2010				May 3, 2010
Estimated fair values of additional consideration									2.6				2.6
Additional cash consideration paid in connection with the acquisition of certain assets of Peter Brotherhood Ltd.																24.1
Business Acquisition, Amortization of Goodwill for Tax Purpose, Expected Tax Deductible Term							5					15
Business acquisition, non-recurring costs	7.9	13.0
Option to acquire business																						25.0
Dates within which the options may be exercised of the investment subject to option																							2012-10-28
Investment to acquire the business																	5.0	5.0	5.0	5.0							5.0	5.0
License fee payment																											0.7	1.3
Percentage of aggregate non-controlling interest acquired																					29.20%						20.00%
Subsequent event date																											Jul. 01, 2011
Additional investment allowed																								The agreement allows the Company to make an additional optional investment of $4.0 by October 2011.
Ownership percentage in Joint venture																									50.00%
Cash contribution associated with investment in Joint venture																									0.3
Investment in business acquired																										$ 10.0

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Income taxes

6 Months Ended

Jun. 30, 2011

Income taxes

8. Income taxes

We operate in numerous countries and tax jurisdictions around the world, and many of the tax returns we have filed have not been audited. Accordingly, we could be exposed to additional income and other taxes.

Our estimated income tax provision for the three and six months ended June 30, 2011 and 2010 differs from the U.S. federal statutory rate of 35% because of state and local income taxes and valuation allowances on net operating loss carryforwards that more likely than not will not be realized, partially offset by different tax rates in foreign tax jurisdictions and certain deductions and credits allowable for income tax purposes. We will adjust valuation allowances in the future if it becomes more likely than not that the benefits of deferred tax assets will be realized. Tax expense for the six months ended June 30, 2011 includes approximately $1.0 associated with an uncertain tax position in one of our foreign subsidiaries as it is more likely than not that the Company’s position will not be sustained upon examination. The effective tax rate for the six months ended June 30, 2011, was also adversely impacted by the relatively low amount of pre-tax income, which exaggerates the impact of normally insignificant items. As a result of the devaluation of the Venezuelan bolivar on January 8, 2010, the Company recorded a non-deductible foreign exchange loss in its Consolidated Income Statement of approximately $13.6, which adversely affected the effective tax rate for the six months ended June 30, 2010.

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Segment Results (Detail) (USD $) In Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010	Dec. 31, 2010
Segment Reporting Information [Line Items]
Revenues	$ 588.9	$ 431.2	$ 943.1	$ 933.3
Income from operations	37.9	62.9	57.1	127.3
Depreciation and Amortization	23.3	12.6	37.0	25.8
Total assets	3,035.4	2,022.4	3,035.4	2,022.4	2,314.3
New Units
Segment Reporting Information [Line Items]
Revenues	301.4	167.7	446.3	452.9
Income from operations	22.0	28.7	35.5	69.1
Depreciation and Amortization	11.8	5.1	17.3	12.5
Total assets	698.8	265.5	698.8	265.5
Aftermarket parts and services
Segment Reporting Information [Line Items]
Revenues	287.5	263.5	496.8	480.4
Income from operations	46.1	58.2	75.0	104.0
Depreciation and Amortization	11.5	7.5	19.7	13.3
Total assets	935.4	755.7	935.4	755.7
Unallocated
Segment Reporting Information [Line Items]
Income from operations	(30.2)	(24.0)	(53.4)	(45.8)
Total assets	$ 1,401.2	$ 1,001.2	$ 1,401.2	$ 1,001.2

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Basis of presentation

6 Months Ended

Jun. 30, 2011

Basis of presentation

1. Basis of presentation

Unless the context otherwise indicates, the terms “we”, “our”, “us”, the “Company”, “Dresser-Rand” and similar terms, refer to Dresser-Rand Group Inc. and its consolidated subsidiaries.

The accompanying consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the United States of America (“GAAP”) 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. The year-end balance sheet data was derived from audited financial statements, but does not include all disclosures required by GAAP. These financial statements should be read in conjunction with our Annual Report on Form 10-K for the year ended December 31, 2010, and our other filings with the Securities and Exchange Commission. Operating results for the 2011 period presented are not necessarily indicative of the results that may be expected for the year ending December 31, 2011. Certain amounts in the prior periods consolidated financial statements have been reclassified to conform to the current period’s presentation. These reclassifications had no impact on the net assets or net income of the Company.

Revenue Recognition

We recognize revenue when it is realized or realizable and earned. We consider revenue realized or realizable and earned when we have persuasive evidence of an arrangement, delivery of the product or service has occurred, the sales price is fixed or determinable and collectibility is reasonably assured. Delivery does not occur until products have been shipped or services have been provided to the client, risk of loss has transferred to the client and any required client acceptance has been obtained (or such provisions have lapsed), or we have objective evidence that the criteria specified in the client acceptance provisions have been satisfied. The amount of revenue related to any contingency is not recognized until the contingency is resolved.

On January 1, 2011, we adopted Accounting Standards Update (“ASU”) 2009-13, Multiple-Deliverable Revenue Arrangement. We enter into multiple-element revenue arrangements or contracts, which may include any combination of designing, developing, manufacturing, modifying and commissioning complex products to customer specifications and providing services related to the performance of such products. These contracts normally take up to fifteen months to complete. Provided that the separate deliverables have value to the client on a stand-alone basis, we use the selling price hierarchy described below to determine how to separate multiple element revenue arrangements into separate units of accounting and how to allocate the arrangement consideration among those separate units of accounting:

• Vendor-specific objective evidence.

• Third-party evidence if vendor-specific objective evidence is not available.

• Estimated selling price determined in the same manner as that used to determine the price at which we sell the deliverables on a standalone basis if neither vendor-specific objective evidence nor third party evidence is available.

Upon adoption of ASU 2009-13, we did not experience a material change in the timing of revenue recognition or the allocation of our units of accounting.

Our sales arrangements do not include a general right of return of the delivered unit(s). If it is determined that the separate deliverables do not have value on a stand-alone basis, the arrangement is accounted for as one unit of accounting, which results in revenue being recognized when the last undelivered unit is delivered.

We are required to estimate the future costs that will be incurred related to sales arrangements to determine whether any arrangement will result in a loss. These costs include material, labor and overhead. Factors influencing these future costs include the availability of materials and skilled laborers.

We recognize, as operating revenue, proceeds from business interruption insurance claims in the period that the insurance claims proceeds are received. Proceeds from casualty insurance settlements in excess of the carrying value of damaged assets are recognized in the period that the applicable proof of loss documentation is received. Proceeds from casualty insurance settlements that are expected to be less than the carrying value of damaged assets are recognized at the time the loss is incurred.

Revenue related to grant agreements with various government and other agencies is recognized when the grant has been received, when the related expenditures are incurred, and when these expenditures meet the criteria under which the funds were granted.

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Intangible assets and goodwill

6 Months Ended

Jun. 30, 2011

Intangible assets and goodwill

4. Intangible assets and goodwill

The cost and related accumulated amortization of intangible assets were:

		September 30,		September 30,	September 30,		September 30,		September 30,
	June 30, 2011				Weighted Average Useful Lives	December 31, 2010
	Cost		Accumulated Amortization			Cost		Accumulated Amortization
Trade names	$	119.8	$	15.6	39 years	$	94.4	$	14.2
Customer relationships		336.5		48.2	33 years		264.5		42.5
Existing technology		145.1		37.5	24 years		145.0		34.2
Contracts and purchase agreements		25.6		0.5	11 years		—		—
Software		31.8		20.4	10 years		30.6		18.8
Non-compete agreements		6.7		1.8	3 years		2.4		1.2
Order backlog		7.8		3.9	<1 year		—		—
In-process research and development		13.7		—	(a)		—		—
Total amortizable intangible assets	$	687.0	$	127.9		$	536.9	$	110.9

(a) In-process research and development will be amortized over 10 years beginning at the time revenues are generated.

Intangible asset amortization expense was $10.9 and $16.1 for the three and six months ended June 30, 2011, respectively, and $5.2 and $10.3 for the three and six months ended June 30, 2010, respectively.

The following table represents the changes in goodwill:

		September 30,		September 30,		September 30,
	New units		Aftermarket parts and services		Total
Balance, December 31, 2010	$	151.3	$	335.8	$	487.1
Acquisitions		360.7		10.7		371.4
Foreign currency adjustments		—		15.8	$	15.8
Balance, June 30, 2011	$	512.0	$	362.3	$	874.3

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Property, Plant and Equipment (Detail) (USD $) In Millions	Jun. 30, 2011	Dec. 31, 2010
Cost:
Land	$ 22.1	$ 16.7
Buildings and improvements	196.2	120.6
Machinery and equipment	465.4	314.2
Property, Plant and Equipment, Gross, Total	683.7	451.5
Less: Accumulated depreciation	(196.4)	(173.4)
Property, plant and equipment, net	$ 487.3	$ 278.1

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Stockholders' equity (Tables)

6 Months Ended

Jun. 30, 2011

Changes in Stockholders' Equity

Changes in stockholders’ equity for six months ended June 30, 2011 and 2010, were:

		September 30,		September 30,			September 30,		September 30,			September 30,			September 30,
	Common Stock		Additional Paid-in Capital			Retained Earnings		Accumulated Other Comprehensive (Loss) Income			Noncontrolling Interest			Total
At December 31, 2010	$	0.8	$	341.9		$	784.8	$	(40.2	)	$	—		$	1,087.3
Stock-based employee compensation		—		11.2			—		—			—			11.2
Stock repurchase		—		(355.0	)		—		—			—			(355.0	)
Stock issued for acquisition		—		243.5			—		—			—			243.5
Net income		—		—			11.1		—			(1.5	)		9.6
Other comprehensive income
Foreign currency adjustments		—		—			—		32.8			(0.1	)		32.7
Unrealized gain on derivatives, net of $0.1 tax		—		—			—		0.2			—			0.2
Pension and other postretirement benefit plans amortization - net of $0.5 tax									0.9						0.9
At June 30, 2011	$	0.8	$	241.6		$	795.9	$	(6.3	)	$	(1.6	)	$	1,030.4

		September 30,		September 30,			September 30,		September 30,			September 30,
	Common Stock		Additional Paid-in Capital			Retained Earnings		Accumulated Other Comprehensive (Loss) Income			Total
At December 31, 2009	$	0.8	$	396.6		$	638.1	$	(22.9	)	$	1,012.6
Stock-based employee compensation		—		6.9			—		—			6.9
Stock repurchase		—		(30.2	)		—		—			(30.2	)
Net income		—		—			57.3		—			57.3
Other comprehensive income
Foreign currency adjustments		—		—			—		(59.4	)		(59.4	)
Unrealized loss on derivatives, net of $0.2 tax		—		—			—		(0.5	)		(0.5	)
Pension and other postretirement benefit plans amortization - net of $0.7 tax									(1.1	)		(1.1	)
At June 30, 2010	$	0.8	$	373.3		$	695.4	$	(83.9	)	$	985.6

Components of Total Comprehensive Income

The components of total comprehensive income were as follows:

		September 30,			September 30,			September 30,			September 30,
	Three months ended June 30,						Six months ended June 30,
	2011			2010			2011			2010
Net income attributable to Dresser-Rand	$	10.7		$	35.0		$	11.1		$	57.3
Other comprehensive income (loss)
Foreign currency adjustments		7.4			(40.2	)		32.8			(59.4	)
Unrealized gain on derivatives, net of $0.1 tax		(0.2	)		(0.3	)		0.2			(0.5	)
Pension and other postretirement benefit plans amortization - net of $0.5 tax		0.5			(0.5	)		0.9			(1.1	)
Other comprehensive income attributable to Dresser-Rand		18.4			(6.0	)		45.0			(3.7	)
Other comprehensive income attributable to noncontrolling interest		0.4			—			(1.6	)		—
Total comprehensive income (loss)	$	18.8		$	(6.0	)	$	43.4		$	(3.7	)

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Changes in Product Warranty Liability (Detail) (USD $) In Millions	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Commitments and Contingencies Disclosure [Line Items]
Beginning balance	$ 28.2	$ 39.2
Liabilities assumed from acquisitions	6.7
Provisions for warranties issued during the period	6.6	11.4
Adjustments to warranties issued in prior periods	(4.8)	(5.9)
Payments during period	(8.0)	(9.7)
Foreign currency adjustments	1.1	(2.6)
Ending balance	$ 29.8	$ 32.4

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Inventories

6 Months Ended

Jun. 30, 2011

Inventories

5. Inventories

Inventories were as follows:

		September 30,			September 30,
	June 30, 2011			December 31, 2010
Raw materials	$	81.4		$	47.2
Finished parts		165.1			125.9
Work-in-process		458.7			327.6
		705.2			500.7
Less: Progress payments		(302.3	)		(209.1	)
Total inventories, net	$	402.9		$	291.6

Finished parts may be used in production or sold to customers. Progress payments represent payments from customers based on milestone completion schedules. Any payments received in excess of the related inventory investment are classified as “Customer Advance Payments” in the current liabilities section of the balance sheet.

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Financial Instruments - Additional Information (Detail) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2011 USD ($)	Jun. 30, 2010 USD ($)	Jun. 30, 2011 USD ($)	Jun. 30, 2010 USD ($)	Jun. 30, 2011 EUR (€)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Net foreign currency gains (losses) recognized for currency transactions, forward currency contracts and re-measuring monetary assets and liabilities	$ (2.7)	$ (2.0)	$ 0.9	$ (18.1)
Interest rate swap notional amount	26.1		26.1		18.0
Fair value of the interest rate swap and related unrealized gain	0.02		0.02
Interest rate swap, fixed rate of interest rate	3.87%		3.87%
Fair value of debt obligations	$ 381.3		$ 381.3

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Postretirement benefits other than pensions (Tables)

6 Months Ended

Jun. 30, 2011

Components of Net Periodic Postretirement Benefits Income

The components of net periodic postretirement benefits income for such plans were as follows:

		September 30,			September 30,			September 30,			September 30,
	Three months ended June 30,						Six months ended June 30,
	2011			2010			2011			2010
Interest cost	$	0.2		$	0.2		$	0.4		$	0.4
Amortization of prior service credit		(0.5	)		(2.3	)		(0.9	)		(4.6	)
Amortization of net actuarial loss		0.3			0.4			0.5			0.8
Net postretirement benefits income	$	—		$	(1.7	)	$	—		$	(3.4	)

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Acquisition Prices Allocated to Fair Values of Assets Acquired and Liabilities Assumed (Detail) (USD $) In Millions	Jun. 30, 2011	Jun. 30, 2010
Business Acquisition [Line Items]
Cash and cash equivalents	$ 43.0
Restricted cash	14.9
Accounts receivable, net	90.6	4.1
Inventory, net	72.0	2.5
Prepaid expenses and other	12.3
Total current assets	232.8	6.6
Property, plant and equipment	205.1	12.9
Amortizable intangible assets	148.5	16.8
Goodwill	371.4	15.9
Deferred income taxes, net	16.0
Other assets	21.9
Total assets acquired	995.7	52.2
Accounts payable and accruals	137.2	1.3
Customer advance payments	8.7
Accrued income taxes payable	2.5
Current portion of long-term debt	99.1
Long-term debt	149.4
Other noncurrent liabilities	50.4
Total liabilities assumed	447.3	1.3
Purchase price	548.4	50.9
Fair value of contingent consideration (non-cash)		(6.1)
Fair value of Dresser-Rand common stock as partial consideration	(243.5)
Cash acquired	(43.0)
Cash paid	$ 261.9	$ 44.8

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Financial Assets and Liabilities Accounted for at Fair value on a Recurring Basis (Detail) (Fair Value Measurements Recurring, USD $) In Millions	Jun. 30, 2011	Dec. 31, 2010
Fair Value Measurements Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Foreign currency exchange contracts assets	$ 7.0	$ 3.7
Foreign currency exchange contracts liabilities	$ 7.4	$ 5.7

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Segment information (Tables)

6 Months Ended

Jun. 30, 2011

Segment Results

Segment results for the three and six months ended June 30, 2011, and 2010 were as follows:

		September 30,			September 30,			September 30,			September 30,
	Three months ended June 30,						Six months ended June 30,
	2011			2010			2011			2010
Revenues
New units	$	301.4		$	167.7		$	446.3		$	452.9
Aftermarket parts and services		287.5			263.5			496.8			480.4
Total revenues	$	588.9		$	431.2		$	943.1		$	933.3
Operating Income
New units	$	22.0		$	28.7		$	35.5		$	69.1
Aftermarket parts and services		46.1			58.2			75.0			104.0
Unallocated		(30.2	)		(24.0	)		(53.4	)		(45.8	)
Total operating income	$	37.9		$	62.9		$	57.1		$	127.3
Depreciation and Amortization
New units	$	11.8		$	5.1		$	17.3		$	12.5
Aftermarket parts and services		11.5			7.5			19.7			13.3
Total depreciation and amortization	$	23.3		$	12.6		$	37.0		$	25.8
Assets (including Goodwill)
New units	$	698.8		$	265.5		$	698.8		$	265.5
Aftermarket parts and services		935.4			755.7			935.4			755.7
Unallocated		1,401.2			1,001.2			1,401.2			1,001.2
Total assets	$	3,035.4		$	2,022.4		$	3,035.4		$	2,022.4

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Warranty accruals

6 Months Ended

Jun. 30, 2011

Warranty accruals

13. Warranty accruals

We maintain a product warranty liability that represents estimated future claims for equipment, parts and services covered during a warranty period. A warranty liability is provided at the time of revenue recognition based on historical experience and adjusted as required.

The following table represents the changes in the product warranty liability:

		September 30,			September 30,
	Six months ended June 30,
	2011			2010
Beginning balance	$	28.2		$	39.2
Liabilities assumed from acquisitions		6.7			—
Provisions for warranties issued during the period		6.6			11.4
Adjustments to warranties issued in prior periods		(4.8	)		(5.9	)
Payments during period		(8.0	)		(9.7	)
Foreign currency adjustments		1.1			(2.6	)
Ending balance	$	29.8		$	32.4

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Components of Total Comprehensive Income (Parenthetical) (Detail) (USD $) In Millions	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Comprehensive Income (Loss) [Line Items]
Unrealized gain (loss) on derivatives, tax	$ 0.1	$ 0.2
Pension and other postretirement benefit plans amortization, tax	$ 0.5	$ 0.7

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Property, plant and equipment

6 Months Ended

Jun. 30, 2011

Property, plant and equipment

6. Property, plant and equipment

Property, plant and equipment were comprised of the following:

		September 30,			September 30,
	June 30, 2011			December 31, 2010
Cost:
Land	$	22.1		$	16.7
Buildings and improvements		196.2			120.6
Machinery and equipment		465.4			314.2
		683.7			451.5
Less: Accumulated depreciation		(196.4	)		(173.4	)
Property, plant and equipment, net	$	487.3		$	278.1

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Acquisitions and other investments (Tables)

6 Months Ended

Jun. 30, 2011

Acquisition Prices Allocated to Fair Values of Assets Acquired and Liabilities Assumed

The acquisition prices were allocated to the fair values of assets acquired and liabilities assumed as follows:

		September 30,			September 30,
	2011			2010
Cash and cash equivalents	$	43.0		$	—
Restricted cash		14.9			—
Accounts receivable, net		90.6			4.1
Inventory, net		72.0			2.5
Prepaid expenses and other		12.3			—
Total current assets		232.8			6.6
Property, plant and equipment		205.1			12.9
Amortizable intangible assets		148.5			16.8
Goodwill		371.4			15.9
Deferred income taxes, net		16.0			—
Other assets		21.9			—
Total assets acquired		995.7			52.2
Accounts payable and accruals		137.2			1.3
Customer advance payments		8.7			—
Accrued income taxes payable		2.5			—
Current portion of long-term debt		99.1			—
Long-term debt		149.4			—
Other noncurrent liabilities		50.4			—
Total liabilities assumed		447.3			1.3
Purchase price		548.4			50.9
Fair value of contingent consideration (non-cash)		—			(6.1	)
Fair value of Dresser-Rand common stock as partial consideration		(243.5	)		—
Cash acquired		(43.0	)		—
Cash paid	$	261.9		$	44.8

Unaudited Supplemental Pro Forma Results

The following unaudited supplemental pro forma results present consolidated information as if the Guascor acquisition had been completed as of January 1, 2010. The pro forma results include: (i) the depreciation associated with the additional fair value of the acquired property, plant and equipment, (ii) the amortization associated with an estimate of the acquired intangible assets, (iii) interest expense associated with debt used to fund the acquisition and the portion of the accelerated stock acquisition plans executed to offset the number of shares issued in connection with the acquisition, (iv) non-recurring costs of $7.9 and $13.0 for the three and six months ended June 30, 2011, respectively, directly related to the acquisition of Guascor and (v) the income tax effect of these adjustments. The pro forma results should not be considered indicative of the results that would have occurred if the acquisition and related borrowings had been consummated as of January 1, 2010, nor are they indicative of future results.

		September 30,		September 30,		September 30,		September 30,
	Three months ended June 30,				Six months ended June 30,
	2011		2010		2011		2010
Total revenues	$	621.6	$	499.6	$	1,071.0	$	1,092.6
Net income attributable to Dresser-Rand	$	16.9	$	34.1	$	21.5	$	59.8
Diluted earnings per share attributable to Dresser-Rand	$	0.22	$	0.42	$	0.27	$	0.73

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Inventories (Detail) (USD $) In Millions	Jun. 30, 2011	Dec. 31, 2010
Inventory Disclosure [Line Items]
Raw materials	$ 81.4	$ 47.2
Finished parts	165.1	125.9
Work-in-process	458.7	327.6
Inventory, Gross, Total	705.2	500.7
Less: Progress payments	(302.3)	(209.1)
Total inventories, net	$ 402.9	$ 291.6

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Warranty accruals (Tables)

6 Months Ended

Jun. 30, 2011

Changes in Product Warranty Liability

The following table represents the changes in the product warranty liability:

		September 30,			September 30,
	Six months ended June 30,
	2011			2010
Beginning balance	$	28.2		$	39.2
Liabilities assumed from acquisitions		6.7			—
Provisions for warranties issued during the period		6.6			11.4
Adjustments to warranties issued in prior periods		(4.8	)		(5.9	)
Payments during period		(8.0	)		(9.7	)
Foreign currency adjustments		1.1			(2.6	)
Ending balance	$	29.8		$	32.4

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CONSOLIDATED STATEMENT OF CASH FLOWS (USD $) In Millions	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Cash flows from operating activities
Net income attributable to Dresser-Rand	$ 11.1	$ 57.3
Adjustments to reconcile net income attributable to Dresser-Rand to net cash (used in) provided by operating activities
Depreciation and Amortization	37.0	25.8
Deferred income taxes	1.6	(1.3)
Stock-based compensation	4.9	5.8
Excess tax benefits from share-based compensation	(3.6)	(0.6)
Amortization of debt financing costs	9.9	1.6
Provision for losses on inventory	0.4	1.8
Loss on sale of property, plant and equipment	0.2	0.6
Net income from equity investment	(0.4)	(0.1)
Working capital and other, net of acquisitions
Accounts receivable	32.8	18.1
Inventories	(35.8)	45.0
Accounts payable and accruals	(47.9)	(36.1)
Customer advances	14.2	(25.3)
Other	(38.2)	9.9
Net cash (used in) provided by operating activities	(13.8)	102.5
Cash flows from investing activities
Capital expenditures	(23.0)	(10.0)
Proceeds from sales of property, plant and equipment	0.2	0.2
Acquisitions, net of cash acquired	(261.9)	(68.8)
Other investments	(5.0)
Decrease in restricted cash balances	(3.3)
Net cash used in investing activities	(293.0)	(78.6)
Cash flows from financing activities
Proceeds from exercise of stock options	2.8	0.7
Proceeds from short-term borrowings	1.9
Payments of short-term borrowings	(11.0)
Proceeds from long-term debt	1,076.8
Excess tax benefits from share-based compensation	3.6	0.6
Repurchase of common stock	(355.0)	(25.7)
Payments for debt financing costs	(16.4)
Payments of long-term debt	(704.1)	(0.1)
Net cash used in financing activities	(1.4)	(24.5)
Effect of exchange rate changes on cash and cash equivalents	14.8	(15.9)
Net decrease in cash and cash equivalents	(293.4)	(16.5)
Cash and cash equivalents, beginning of the period	420.8	223.2
Cash and cash equivalents, end of period	$ 127.4	$ 206.7

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Intangible assets and goodwill (Tables)

6 Months Ended

Jun. 30, 2011

Cost and Related Accumulated Amortization of Intangible Assets

The cost and related accumulated amortization of intangible assets were:

		September 30,		September 30,	September 30,		September 30,		September 30,
	June 30, 2011				Weighted Average Useful Lives	December 31, 2010
	Cost		Accumulated Amortization			Cost		Accumulated Amortization
Trade names	$	119.8	$	15.6	39 years	$	94.4	$	14.2
Customer relationships		336.5		48.2	33 years		264.5		42.5
Existing technology		145.1		37.5	24 years		145.0		34.2
Contracts and purchase agreements		25.6		0.5	11 years		—		—
Software		31.8		20.4	10 years		30.6		18.8
Non-compete agreements		6.7		1.8	3 years		2.4		1.2
Order backlog		7.8		3.9	<1 year		—		—
In-process research and development		13.7		—	(a)		—		—
Total amortizable intangible assets	$	687.0	$	127.9		$	536.9	$	110.9

(a) In-process research and development will be amortized over 10 years beginning at the time revenues are generated.

Changes in Goodwill

The following table represents the changes in goodwill:

		September 30,		September 30,		September 30,
	New units		Aftermarket parts and services		Total
Balance, December 31, 2010	$	151.3	$	335.8	$	487.1
Acquisitions		360.7		10.7		371.4
Foreign currency adjustments		—		15.8	$	15.8
Balance, June 30, 2011	$	512.0	$	362.3	$	874.3

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Income Taxes - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Income Taxes [Line Items]
U.S. federal statutory Income Tax rate	35.00%	35.00%	35.00%	35.00%
Estimated income tax provision difference from the U.S. federal statutory	Our estimated income tax provision for the three and six months ended June 30, 2011 and 2010 differs from the U.S. federal statutory rate of 35% because of state and local income taxes and valuation allowances on net operating loss carryforwards that more likely than not will not be realized, partially offset by different tax rates in foreign tax jurisdictions and certain deductions and credits allowable for income tax purposes.
Tax expense associated with uncertain tax position			$ 1
Loss as a result of devaluation by Venezuelan government				$ 13.6

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Property, plant and equipment (Tables)

6 Months Ended

Jun. 30, 2011

Property, Plant and Equipment

Property, plant and equipment were comprised of the following:

		September 30,			September 30,
	June 30, 2011			December 31, 2010
Cost:
Land	$	22.1		$	16.7
Buildings and improvements		196.2			120.6
Machinery and equipment		465.4			314.2
		683.7			451.5
Less: Accumulated depreciation		(196.4	)		(173.4	)
Property, plant and equipment, net	$	487.3		$	278.1

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New accounting standards

6 Months Ended

Jun. 30, 2011

New accounting standards

2. New accounting standards

On January 1, 2011, the Company adopted ASU 2010-28, Intangibles - Goodwill and Other. ASU 2010-28 modifies step one of the goodwill impairment test for reporting units with zero or negative carrying amounts and offers guidance on when to perform step two of the testing. For those reporting units, an entity is required to perform step two of the goodwill impairment test if it is more likely than not that a goodwill impairment exists based upon factors such as unanticipated competition, the loss of key personnel and adverse regulatory changes. The adoption of ASU 2010-28 did not have a material effect on the Company’s consolidated financial statements.

On January 1, 2011, the Company adopted ASU 2010-29, Business Combinations, which updates the guidance in Accounting Standards Codification (“ASC”) 805, Business Combinations. ASU 2010-29 clarifies that pro forma disclosures should be presented as if a business combination occurred at the beginning of the prior annual period for purposes of preparing both the current reporting period and the prior reporting period pro forma financial information. These disclosures should be accompanied by a narrative description about the nature and amount of material, nonrecurring pro forma adjustments. The adoption of ASU 2010-29 did not have a material effect on the Company’s consolidated financial statements.

In May 2011, the Financial Accounting Standards Board (“FASB”) issued ASU 2011-04, Amendments to Achieve Common Fair Value Measurement and Disclosure Requirements in U.S. GAAP and IFRSs, which amends ASC 820, Fair Value Measurement. The amendments in ASU 2011-04 generally modify ASC 820 to clarify that the highest and best use concept only applies to nonfinancial assets and provides specific requirements for measuring instruments recorded in shareholders’ equity. In addition, ASU 2011-04 added requirements for (1) measuring the fair value of financial instruments that are managed within a portfolio, (2) applying discounts and premiums in fair value measurements, and (3) disclosing further information about Level 3 fair value measurements, a reporting entity’s use of non-financial assets, and the categorization of items that are not measured at fair value when fair value is required to be disclosed. ASC 820 results in common principles and requirements for measuring fair value and for disclosing information about fair value measurements in accordance with GAAP and International Financial Reporting Standards (“IFRS”). The amendments are effective for interim and annual periods beginning after December 15, 2011 and are to be applied prospectively. Early application is not permitted. We do not expect that the adoption of ASU 2011-04 will have a material impact on the Company’s consolidated financial statements or fair value measurements.

In June 2011, the FASB issued ASU 2011-05, Presentation of Comprehensive Income, which amends ASC 220, Comprehensive Income. The new guidance removes the presentation options in ASC 220 and requires entities to report components of comprehensive income in either a continuous statement of comprehensive income or with two separate but consecutive statements. For public entities, the amendments are effective for fiscal years ending after December 15, 2012, and interim and annual periods thereafter. Early adoption is permitted and the amendments do not require any transition disclosures. We do not expect that the adoption of ASU 2011-05 will have a material impact on the Company’s consolidated financial statements.

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Postretirement benefits other than pensions

6 Months Ended

Jun. 30, 2011

Postretirement benefits other than pensions

11. Postretirement benefits other than pensions

The components of net periodic postretirement benefits income for such plans were as follows:

		September 30,			September 30,			September 30,			September 30,
	Three months ended June 30,						Six months ended June 30,
	2011			2010			2011			2010
Interest cost	$	0.2		$	0.2		$	0.4		$	0.4
Amortization of prior service credit		(0.5	)		(2.3	)		(0.9	)		(4.6	)
Amortization of net actuarial loss		0.3			0.4			0.5			0.8
Net postretirement benefits income	$	—		$	(1.7	)	$	—		$	(3.4	)

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Components of Total Comprehensive Income (Detail) (USD $) In Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Comprehensive Income (Loss) [Line Items]
Net income attributable to Dresser-Rand	$ 10.7	$ 35.0	$ 11.1	$ 57.3
Other comprehensive income (loss)
Foreign currency adjustments	7.4	(40.2)	32.8	(59.4)
Unrealized gain on derivatives, net of $0.1 tax	(0.2)	(0.3)	0.2	(0.5)
Pension and other postretirement benefit plans amortization - net of $0.5 tax	0.5	(0.5)	0.9	(1.1)
Other comprehensive income attributable to Dresser-Rand	18.4	(6.0)	45.0	(3.7)
Other comprehensive income attributable to noncontrolling interest	0.4		(1.6)
Total comprehensive income (loss)	$ 18.8	$ (6.0)	$ 43.4	$ (3.7)

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Unaudited Supplemental Pro Forma Results (Detail) (USD $) In Millions, except Per Share data	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Business Acquisition, Pro Forma Information [Line Items]
Total revenues	$ 621.6	$ 499.6	$ 1,071.0	$ 1,092.6
Net income attributable to Dresser-Rand	$ 16.9	$ 34.1	$ 21.5	$ 59.8
Diluted earnings per share attributable to Dresser-Rand	$ 0.22	$ 0.42	$ 0.27	$ 0.73

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Stockholders' equity

6 Months Ended

Jun. 30, 2011

Stockholders' equity

15. Stockholders’ equity

Changes in stockholders’ equity for six months ended June 30, 2011 and 2010, were:

		September 30,		September 30,			September 30,		September 30,			September 30,			September 30,
	Common Stock		Additional Paid-in Capital			Retained Earnings		Accumulated Other Comprehensive (Loss) Income			Noncontrolling Interest			Total
At December 31, 2010	$	0.8	$	341.9		$	784.8	$	(40.2	)	$	—		$	1,087.3
Stock-based employee compensation		—		11.2			—		—			—			11.2
Stock repurchase		—		(355.0	)		—		—			—			(355.0	)
Stock issued for acquisition		—		243.5			—		—			—			243.5
Net income		—		—			11.1		—			(1.5	)		9.6
Other comprehensive income
Foreign currency adjustments		—		—			—		32.8			(0.1	)		32.7
Unrealized gain on derivatives, net of $0.1 tax		—		—			—		0.2			—			0.2
Pension and other postretirement benefit plans amortization - net of $0.5 tax									0.9						0.9
At June 30, 2011	$	0.8	$	241.6		$	795.9	$	(6.3	)	$	(1.6	)	$	1,030.4

		September 30,		September 30,			September 30,		September 30,			September 30,
	Common Stock		Additional Paid-in Capital			Retained Earnings		Accumulated Other Comprehensive (Loss) Income			Total
At December 31, 2009	$	0.8	$	396.6		$	638.1	$	(22.9	)	$	1,012.6
Stock-based employee compensation		—		6.9			—		—			6.9
Stock repurchase		—		(30.2	)		—		—			(30.2	)
Net income		—		—			57.3		—			57.3
Other comprehensive income
Foreign currency adjustments		—		—			—		(59.4	)		(59.4	)
Unrealized loss on derivatives, net of $0.2 tax		—		—			—		(0.5	)		(0.5	)
Pension and other postretirement benefit plans amortization - net of $0.7 tax									(1.1	)		(1.1	)
At June 30, 2010	$	0.8	$	373.3		$	695.4	$	(83.9	)	$	985.6

The components of total comprehensive income were as follows:

		September 30,			September 30,			September 30,			September 30,
	Three months ended June 30,						Six months ended June 30,
	2011			2010			2011			2010
Net income attributable to Dresser-Rand	$	10.7		$	35.0		$	11.1		$	57.3
Other comprehensive income (loss)
Foreign currency adjustments		7.4			(40.2	)		32.8			(59.4	)
Unrealized gain on derivatives, net of $0.1 tax		(0.2	)		(0.3	)		0.2			(0.5	)
Pension and other postretirement benefit plans amortization - net of $0.5 tax		0.5			(0.5	)		0.9			(1.1	)
Other comprehensive income attributable to Dresser-Rand		18.4			(6.0	)		45.0			(3.7	)
Other comprehensive income attributable to noncontrolling interest		0.4			—			(1.6	)		—
Total comprehensive income (loss)	$	18.8		$	(6.0	)	$	43.4		$	(3.7	)

During the six months ended June 30, 2011, the Compensation Committee of the Board of Directors approved grants of options and appreciation rights involving 177,294 shares of common stock and grants of 288,018 shares of time-vested restricted stock units to employees under the Dresser-Rand Group Inc. 2008 Stock Incentive Plan. Additionally, the Compensation Committee approved the issuance of performance restricted stock units (“PRSUs”) with a target grant amount of 55,770 restricted shares. PRSUs vest ratably between 16.67% and 50.00% annually over a three-year period to the extent that the percentile rank of the shareholder return of the Company’s stock is between the 25^th percentile and the 75^th percentile of a selected peer group. Additionally, Directors were granted 17,437 shares of restricted stock that will vest in one year.

On February 10, 2011, the Company’s Board of Directors authorized the repurchase of up to $450.0 of its common stock. The repurchases may be made from time to time and in such amounts as management deems appropriate and have been funded from operating cash flows and borrowings under the Company’s Senior Secured Credit Facility.

On March 15, 2011, the Company entered into a collared accelerated share acquisition program under which it paid $275.0 to repurchase shares of its common stock in a share forward transaction. The total number of shares purchased (subject to a minimum and maximum number of shares) will be determined by dividing the $275.0 purchase price by the volume-weighted average trading prices of our shares of common stock during a valuation period, minus a fixed discount. The program is expected to be completed by the end of 2011.

On March 22, 2011, the Company entered into an un-collared accelerated share acquisition program under which it paid $80.0 to repurchase shares of common stock in a share forward transaction. The total number of shares purchased will be determined by dividing the $80.0 purchase price by the volume-weighted average trading prices of our shares of common stock during a valuation period, minus a fixed discount. The program is expected to be completed by the end of 2011.

Outstanding shares used to calculate earnings per share are reduced by the number of shares repurchased when they are delivered, and the total $355.0 purchase price of the programs was recorded as a reduction in shareholders’ equity upon its prepayment. The Company received and retired 4,870,186 shares in March 2011 and an additional 1,013,691 shares in April 2011 at the end of the hedging period. The Company will receive additional repurchased shares above the minimum, if any, at the end of the valuation periods, which will continue until the programs are completed.

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CONSOLIDATED STATEMENT OF INCOME (USD $) In Millions, except Share data in Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Net sales of products	$ 424.9	$ 308.3	$ 678.3	$ 706.8
Net sales of services	164.0	122.9	264.8	226.5
Total revenues	588.9	431.2	943.1	933.3
Cost of products sold	322.1	199.6	500.3	486.7
Cost of services sold	121.6	88.0	197.0	160.9
Total cost of sales	443.7	287.6	697.3	647.6
Gross profit	145.2	143.6	245.8	285.7
Selling and administrative expenses	99.6	74.1	176.6	145.5
Research and development expenses	7.7	6.6	12.1	12.9
Income from operations	37.9	62.9	57.1	127.3
Interest expense, net	(16.0)	(8.3)	(31.0)	(16.5)
Early redemption premium on debt	(1.9)		(10.1)
Other (expense) income , net	(1.8)	(0.6)	1.8	(16.9)
Income before income taxes	18.2	54.0	17.8	93.9
Provision for income taxes	7.0	19.0	8.2	36.6
Net income	11.2	35.0	9.6	57.3
Net (income) loss attributable to noncontrolling interest	(0.5)		1.5
Net income attributable to Dresser-Rand	$ 10.7	$ 35.0	$ 11.1	$ 57.3
Net income per share
Basic	$ 0.14	$ 0.43	$ 0.14	$ 0.70
Diluted	$ 0.14	$ 0.43	$ 0.14	$ 0.70
Weighted average shares outstanding - (in thousands)
Basic	77,825	81,802	78,634	81,834
Diluted	78,570	82,214	79,404	82,228

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Cost and Related Accumulated Amortization of Intangible Assets (Parenthetical) (Detail) (Minimum)	6 Months Ended
	Jun. 30, 2011 Year
Minimum
Finite-Lived Intangible Assets [Line Items]
Weighted Average Useful Lives	10

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Components of Net Periodic Postretirement Benefits Income (Detail) (Other Postretirement Benefit Plans, Defined Benefit, USD $) In Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Other Postretirement Benefit Plans, Defined Benefit
Defined Benefit Plan Disclosure [Line Items]
Interest cost	$ 0.2	$ 0.2	$ 0.4	$ 0.4
Amortization of prior service credit	(0.5)	(2.3)	(0.9)	(4.6)
Amortization of net actuarial loss	0.3	0.4	0.5	0.8
Net postretirement benefits income		$ (1.7)		$ (3.4)

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Stockholders' equity - Additional Information (Detail) (USD $) In Millions, except Share data, unless otherwise specified					6 Months Ended					6 Months Ended	1 Months Ended
	Apr. 30, 2011	Mar. 31, 2011	Mar. 15, 2011 Collared Accelerated Share Repurchase Program	Mar. 22, 2011 Un-Collared Accelerated Share Repurchase Program	Jun. 30, 2011 Maximum Granted to directors Restricted Stock	Jun. 30, 2011 Minimum Granted to directors Restricted Stock	Jun. 30, 2011 Granted to directors Restricted Stock	Jun. 30, 2011 Common Stock	Jun. 30, 2011 Time Lapse Restricted Units	Jun. 30, 2011 Performance-Based Restricted Stock	Feb. 28, 2011 Maximum
Class of Stock [Line Items]
Options and Appreciation rights approved for stock compensation arrangements							17,437	177,294	288,018	55,770
Stock compensation arrangements vesting period							1Y			3Y
Performance restricted stock units vest rate minimum							16.67%
Performance restricted stock units vest rate maximum							50.00%
Performance restricted stock units target							Additionally, the Compensation Committee approved the issuance of performance restricted stock units ("PRSUs") with a target grant amount of 55,770 restricted shares. PRSUs vest ratably between 16.67% and 50.00% annually over a three-year period to the extent that the percentile rank of the shareholder return of the Company's stock is between the 25th percentile and the 75th percentile of a selected peer group.
Percentile rank of the shareholder return of stock					75.00%	25.00%
Common stock repurchase authorized amount											$ 450.0
Accelerated share acquisition program, purchase price		$ 355.0	$ 275.0	$ 80.0
Accelerated share acquisition program, shares repurchased	1,013,691	4,870,186

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Long-Term Debt - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended	6 Months Ended			3 Months Ended										3 Months Ended				3 Months Ended		3 Months Ended				3 Months Ended		3 Months Ended			3 Months Ended					6 Months Ended			6 Months Ended			3 Months Ended	6 Months Ended				6 Months Ended			1 Months Ended			1 Months Ended	3 Months Ended	6 Months Ended			1 Months Ended					1 Months Ended
	Jun. 30, 2011	Jun. 30, 2011	Jun. 30, 2011 Guascor	Jun. 30, 2011 Guascor Maximum Syndicated Term Loan and Working Capital Line Syndicated term loan and working capital facility	Jun. 30, 2011 Guascor Maximum Other Working Capital Lines SPAIN	Jun. 30, 2011 Guascor Maximum Bank loans SPAIN And ITALY	Jun. 30, 2011 Guascor Maximum Project financing arrangements Energy Generation and Cogeneration Plants BRAZIL	Jun. 30, 2011 Guascor Maximum Participating loans	Jun. 30, 2011 Guascor Maximum Other Note Payable	Jun. 30, 2011 Guascor Minimum Other Working Capital Lines SPAIN	Jun. 30, 2011 Guascor Minimum Bank loans SPAIN And ITALY	Jun. 30, 2011 Guascor Minimum Participating loans	Jun. 30, 2011 Guascor Minimum Other Note Payable	Jun. 30, 2011 Guascor Syndicated Term Loan and Working Capital Line	Jun. 30, 2011 Guascor Syndicated Term Loan and Working Capital Line Syndicated loan	Jun. 30, 2011 Guascor Syndicated Term Loan and Working Capital Line Syndicated term loan and working capital facility	Jun. 30, 2011 Guascor Other Working Capital Lines	Jun. 30, 2011 Guascor Other Working Capital Lines SPAIN	Jun. 30, 2011 Guascor Other Working Capital Lines BRAZIL	Jun. 30, 2011 Guascor Bank loans	Jun. 30, 2011 Guascor Bank loans Letter of Credit BRAZIL	Jun. 30, 2011 Guascor Bank loans SPAIN	Jun. 30, 2011 Guascor Bank loans BRAZIL	Jun. 30, 2011 Guascor Bank loans ITALY	Jun. 30, 2011 Guascor Bank loans SPAIN And ITALY	Jun. 30, 2011 Guascor Project financing arrangements	Jun. 30, 2011 Guascor Project financing arrangements Pig Manure Treatment Facilities SPAIN	Jun. 30, 2011 Guascor Project financing arrangements Energy Generation and Cogeneration Plants BRAZIL	Jun. 30, 2011 Guascor Subsidized Loans	Jun. 30, 2011 Guascor Participating loans	Jun. 30, 2011 Guascor Other Note Payable	Jun. 30, 2011 Guascor Other Note Payable Notes Contingently Repayable When 75 Percent of Syndicated Term Loan Repaid	Jun. 30, 2011 Guascor Other Note Payable Notes Contingently Repayable When Syndicated Term Loan Fully Repaid	Jun. 30, 2011 Guascor Other Note Payable Preferred Stock	Jun. 30, 2011 Maximum Senior Secured Credit Facility	Jun. 30, 2011 Maximum Senior Secured Credit Facility Revolving Credit Facility	Jun. 30, 2011 Maximum Senior Secured Credit Facility Revolving Credit Facility Letter of Credit	Jun. 30, 2011 Minimum Senior Secured Credit Facility	Jun. 30, 2011 Minimum Senior Secured Credit Facility Revolving Credit Facility	Jun. 30, 2011 Minimum Senior Secured Credit Facility Revolving Credit Facility Letter of Credit	Jun. 30, 2011 Senior Secured Credit Facility	Jun. 30, 2011 Senior Secured Credit Facility	Mar. 15, 2011 Senior Secured Credit Facility	Jun. 30, 2011 Senior Secured Credit Facility Revolving Credit Facility	Mar. 15, 2011 Senior Secured Credit Facility Revolving Credit Facility	Jun. 30, 2011 Senior Secured Credit Facility Revolving Credit Facility Letter of Credit	May 17, 2011 Senior Secured Credit Facility Term Loan Facility Initial Draw	May 17, 2011 Senior Secured Credit Facility Term Loan Facility Additional Delayed Draw	May 31, 2011 Senior Secured Credit Facility Term Loan Facility	Jun. 30, 2011 Senior Secured Credit Facility Term Loan Facility	May 17, 2011 Senior Secured Credit Facility Term Loan Facility	Mar. 31, 2011 Senior Subordinated Notes 7 3/8 % Due 2014	Jun. 30, 2011 Senior Subordinated Notes 7 3/8 % Due 2014	Jun. 30, 2011 Senior Subordinated Notes 7 3/8 % Due 2014	Mar. 23, 2011 Senior Subordinated Notes 7 3/8 % Due 2014	Mar. 08, 2011 Senior Subordinated Notes 7 3/8 % Due 2014	Mar. 31, 2011 Senior Subordinated Notes 6 1/2 % Due 2021	Mar. 22, 2011 Senior Subordinated Notes 6 1/2 % Due 2021	Mar. 22, 2011 Senior Subordinated Notes 6 1/2 % Due 2021 Senior Subordinated Notes Redeemable Beginning May 1st 2016	Mar. 22, 2011 Senior Subordinated Notes 6 1/2 % Due 2021 Senior Subordinated Notes Redeemable Beginning May 1st 2019	Mar. 22, 2011 Senior Subordinated Notes 6 1/2 % Due 2021 Senior Subordinated Notes Redeemable Prior to May 1st 2016	Mar. 31, 2011 Senior Subordinated Notes 6 1/2 % Due 2021 Senior Subordinated Notes Redeemable Prior to May 1st 2014	Mar. 22, 2011 Senior Subordinated Notes 6 1/2 % Due 2021 Senior Subordinated Notes Redeemable Prior to May 1st 2014
Debt Instrument [Line Items]
Accelerated amortization of deferred financing fees																																										$ 2.1											$ 1.3	$ 6.4
Debt fees																																											9.5															3.7
Credit facility																12.0																													600.0		160.0	240.0			400.0
Covenant for borrowing																Guascor maintaining a syndicated loan to equity ratio, on or after December 30, 2011, of less than 1.5.
Credit facility, payment terms																																																	At the end of each quarter commencing June 30, 2012, the term loan facility requires the Company to make principal payments equal to one and one-quarter percent (1.25%) of the term loan balance outstanding immediately following the end of the delayed draw availability period.
Principal payment percentage of loan outstanding balance																																																	1.25%
Quarterly Principal payments on term loan															1.2
Long-term debt			194.8											18.8			16.7	12.0	4.7	26.6		13.4	5.9	7.3		53.5	34.2	19.3	12.8	7.5	58.9	22.1	10.8	19.2
Senior subordinated notes																																																								370.0		375.0
Senior subordinated notes, tender offer expiration date																																																				On or before March 21, 2011
Senior subordinated notes, interest rate																																																				7.375%					6.50%
Senior subordinated notes, tender offer consideration description																																																				The tender offer provided total consideration to those tendering on or before March 21, 2011 equal to the principal amount of the notes plus 2.8%, and accrued interest.
Debt instrument stated interest rate, minimum																			17.00%		3.40%							4.50%
Debt instrument stated interest rate																																		13.00%
Senior subordinated notes tendered																																																								291.3
Debt instrument stated interest rate, maximum																			18.40%		6.10%
Debt instrument, maturity date															Dec. 30, 2013	Dec. 30, 2013																									Mar. 15, 2016											Nov. 01, 2014					May 01, 2021
Redemption price for senior subordinated notes, percentage																																																							102.458%				103.25%	100.00%	100.00%		106.50%
Additional interest above Euribor rate					2.75%	2.75%		6.00%	1.25%	0.65%	0.65%	2.00%	0.75%		2.75%	2.25%											1.25%
Payment term															Syndicated term loan borrowings bear interest at the three-month Euribor rate plus 2.75% per annum.	Interest on the working capital line accrues at the three-month Euribor rate plus 2.25% per annum.									Interest rates for borrowings in Spain and Italy range from Euribor plus 0.65% to Euribor plus 2.75% per annum.		Approximately $34.2 of the outstanding project financing balance is associated with pig manure treatment facilities in Spain, which bear interest at the six-month Euribor rate plus 1.25% per annum.	Approximately $19.3 of the outstanding project financing balance is related to the design, construction and development of energy generation and cogeneration plants in Brazil, which bear interest at rates ranging from 4.5% per annum to the Brazilian General Interest of Market Prices (IGPM) plus 13.0% per annum.		The Company has two participating loans that bear interest at six-month Euribor plus 2% per annum plus additional interest that accrues based on Guascor's consolidated results up to a maximum additional rate of Euribor plus 6% per annum.	Other notes payable consist of notes with third parties with varying payment features. Approximately $22.1 of other notes payable plus accrued interest is contingently repayable when 75% of the syndicated term loan (described above) has been repaid. Approximately $10.8 of other notes payable plus accrued interest is repayable when such syndicated loan is fully repaid.
Principal scheduled to be paid in 2011																	12.1			7.0						7.4			1.8	0.8	0.9
Senior subordinated notes redemption date																																																							Apr. 22, 2011		May 01, 2016
Principal scheduled to be paid in 2012															4.8		1.7			12.2						12.5			2.3	2.2	1.7
Senior notes redemption price, description																																																									The Company may redeem any of the notes beginning on May 1, 2016 at a redemption price of 103.250% of their principal amount, plus accrued interest. The redemption price will decline each year after 2016 and will be 100% of their principal amount, plus accrued interest, beginning on May 1, 2019. Prior to May 1, 2016, the Company may redeem the notes at a redemption price of 100% of the principal amount of the notes plus a “make-whole” premium and accrued interest. Prior to May 1, 2014, the Company may redeem up to 35% of the notes with the net cash proceeds from certain equity offerings at a redemption price of 106.5% of the principal amount of the notes plus accrued interest.
Principal scheduled to be paid in 2013															14.0		2.1			5.1						10.7			2.4	2.1	23.9
Principal scheduled to be paid in 2014																	0.8			2.3						6.5			2.1	1.1	1.7
Principal scheduled to be paid in 2015																										6.3			1.8	1.3	0.7
Principal scheduled to be paid thereafter																										10.1			6.8		10.8
Credit facility borrowings																																												20.5						160.0
Letters of credit issued																																												176.0
Letters of credit and bank guarantees, outstanding																																									121.0	121.0
Credit facility, interest rate description																																										Revolving and term loan borrowings under the Senior Secured Credit Facility bear interest, at the Company’s election, at either (a) a rate equal to an applicable margin ranging from 2.00% to 2.75%, depending on the Company’s leverage ratio, plus a LIBOR rate determined by reference to the costs of funds for the offering of deposits in U.S. dollars (or with respect to Euro-denominated borrowings only, the costs of funds for the offering of deposits in Euros) for the interest period relevant to such borrowing adjusted for certain additional costs or (b) a rate equal to an applicable margin ranging from 1.00% to 1.75%, depending on the Company’s leverage ratio plus a base rate determined by reference to the highest of (1) the rate that the administrative agent announces from time to time as its base commercial lending rate, (2) the federal funds effective rate plus  1/2 of 1% and (3) the adjusted LIBOR rate for a one month period plus 1%.
Credit facility, interest rate margin above LIBOR																																			2.75%			2.00%
Credit facility, interest rate margin above Base rate																																			1.75%			1.00%
Credit Facility, commitment fee on unutilized commitments																																				0.50%			0.375%
Letter of credit fees, description																																														The Company will also pay letter of credit fees equal to an applicable margin then in effect with respect to LIBOR loans under the revolving credit facility on the face amount of each financial letter of credit, and a rate ranging from 1.20% to 1.65% per annum on the face amount of each performance letter of credit.
Letter of credit fees, percentage																																					1.65%			1.20%
Early redemption premium on debt	1.9	10.1
Redeemable notes maximum, percentage																																																														35.00%
Credit Facility, restrictive covenant description		The dividends and distributions covenant under the Company’s Senior Secured Credit Facility allows the Company to pay dividends on or repurchase, redeem, or otherwise acquire for value, its outstanding shares in an aggregate amount not to exceed the sum of $200.0 plus 50% of the Company’s net income for the period commencing January 1, 2010 and ending on the day of the most recently ended fiscal quarter. The limitation on shares to be repurchased under this covenant excludes the accelerated share acquisition programs that were executed on March 15 and March 22, 2011 (Note 15).
Restricted cash	$ 11.2	$ 11.2
Loan to equity ratio				1.5
Additional interest above Brazilian General Interest of Market Prices (IGPM) rate							13.00%

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Outstanding Bank Borrowings Assumed in Connection with Acquisition of Guascor (Detail) (Guascor, USD $) In Millions	Jun. 30, 2011
Debt Outstanding [Line Items]
Long-term debt	$ 194.8
Syndicated Term Loan and Working Capital Line
Debt Outstanding [Line Items]
Long-term debt	18.8
Other Working Capital Lines
Debt Outstanding [Line Items]
Long-term debt	16.7
Bank loans
Debt Outstanding [Line Items]
Long-term debt	26.6
Project financing arrangements
Debt Outstanding [Line Items]
Long-term debt	53.5
Subsidized Loans
Debt Outstanding [Line Items]
Long-term debt	12.8
Participating loans
Debt Outstanding [Line Items]
Long-term debt	7.5
Other Note Payable
Debt Outstanding [Line Items]
Long-term debt	$ 58.9

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Changes in Stockholders' Equity (Parenthetical) (Detail) (USD $) In Millions	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Unrealized gain on derivatives, tax	$ 0.1	$ 0.2
Pension and other postretirement benefit plans amortization, tax	$ 0.5	$ 0.7

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Intangible Assets and Goodwill - Additional Information (Detail) (USD $) In Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Finite-Lived Intangible Assets [Line Items]
Intangible asset amortization expense	$ 10.9	$ 5.2	$ 16.1	$ 10.3