2.0.0.10 false CONSOLIDATED STATEMENT OF OPERATIONS (USD $) 00100 - Statement - CONSOLIDATED STATEMENT OF OPERATIONS true false In Thousands, except Per Share data false false 1 usd $ false false Unit12 Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 Unit14 Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 false 2 usd $ false false Unit12 Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 Unit14 Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 5 Operating revenues 3 us-gaap_ContractsRevenue us-gaap true credit duration monetary No definition available. false false false false false false false false false false false false 1 true true false false 945573000 945573 false false false 2 true true false false 1264523000 1264523 false false false Revenue earned during the period arising from products sold or services provided under the terms of a contract, not elsewhere specified in the taxonomy. May include government contracts, construction contracts, and any other contract related to a particular project or product. No authoritative reference available. false 6 Cost of operating revenues 3 us-gaap_ContractRevenueCost us-gaap true debit duration monetary No definition available. false false false false false false false false false false false label false 1 false true false false 773491000 773491 false false false 2 false true false false 1101771000 1101771 false false false Costs incurred and are directly related to generating contract revenues. No authoritative reference available. false 7 Contract profit 3 us-gaap_GrossProfit us-gaap true credit duration monetary No definition available. false false false false false false false false false false false totallabel false 1 false true false false 172082000 172082 false false false 2 false true false false 162752000 162752 false false false Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity. No authoritative reference available. true 8 Selling, general and administrative expenses 3 us-gaap_SellingGeneralAndAdministrativeExpense us-gaap true debit duration monetary No definition available. false false false false false false false false false false false label false 1 false true false false 70305000 70305 false false false 2 false true false false 69248000 69248 false false false The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 4 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 43 -Chapter 4 -Paragraph 5A false 9 Other income, net 3 fwlt_OtherIncomeNet fwlt false credit duration monetary Other Income includes both (1) Income (Loss) from Equity Method Investments and (2) Other Nonoperating Income. (1) Income... false false false false false false false false false false true negated false 1 false true false false -8332000 -8332 false false false 2 false true false false -8203000 -8203 false false false Other Income includes both (1) Income (Loss) from Equity Method Investments and (2) Other Nonoperating Income. (1) Income (Loss) from Equity Method Investments: This item represents the entity's proportionate share for the period of the undistributed net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. Such amount typically reflects adjustments similar to those made in preparing consolidated statements, including adjustments to eliminate intercompany gains and losses, and to amortize, if appropriate, any difference between cost and underlying equity in net assets of the investee at the date of investment. (2) Other Nonoperating Income: The aggregate amount of other income amounts resulting from ancillary business-related activities (that is, excluding major activities considered part of the normal operations of the business) also known as other nonoperating income recognized for the period. Such amounts may include miscellaneous other income items. No authoritative reference available. false 10 Other deductions, net 3 fwlt_OtherDeductionsNet fwlt false debit duration monetary Other Deductions includes both (1) Other General Expense, and (2) Other Nonoperating Expense. (1) Other General Expense:... false false false false false false false false false false false label false 1 false true false false 11688000 11688 false false false 2 false true false false 6087000 6087 false false false Other Deductions includes both (1) Other General Expense, and (2) Other Nonoperating Expense. (1) Other General Expense: Amount of general expenses not normally included in Selling, general and administrative expenses. (2) Other Nonoperating Expense: Any other expense items resulting from secondary business-related activities, excluding those considered part of the normal operations of the business that have not been previously categorized. No authoritative reference available. false 11 Interest income 3 us-gaap_InvestmentIncomeInterest us-gaap true credit duration monetary No definition available. false false false false false false false false false false true negated false 1 false true false false -2359000 -2359 false false false 2 false true false false -2672000 -2672 false false false Income derived from investments in debt securities and on cash and cash equivalents the earnings of which reflect the time value of money or transactions in which the payments are for the use or forbearance of money. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 115 -Paragraph 14 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 7 -Article 5 false 12 Interest expense 3 us-gaap_InterestExpenseDebt us-gaap true debit duration monetary No definition available. false false false false false false false false false false false terselabel false 1 false true false false 4551000 4551 false false false 2 false true false false 4167000 4167 false false false Represents the portion of interest incurred in the period on debt arrangements that was charged against earnings. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 8 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 34 -Paragraph 21 false 13 Net asbestos-related (gain)/provision 3 fwlt_NetAsbestosRelatedProvisionGain fwlt false debit duration monetary Net (gain)/loss for charges on the revaluation of the asbestos liability and related asset. false false false false false false false false false false false terselabel false 1 false true false false -747000 -747 false false false 2 false true false false 1750000 1750 false false false Net (gain)/loss for charges on the revaluation of the asbestos liability and related asset. No authoritative reference available. false 14 Income before income taxes 3 fwlt_IncomeLossBeforeIncomeTaxes fwlt false credit duration monetary Sum of operating profit and nonoperating income (expense) before income taxes and including the portion attributable to... false false false false false false false false false false false totallabel false 1 false true false false 96976000 96976 false false false 2 false true false false 92375000 92375 false false false Sum of operating profit and nonoperating income (expense) before income taxes and including the portion attributable to noncontrolling interest. 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Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph h -Article 4 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 109 -Paragraph 45 -Subparagraph a, b false 16 Net income 3 us-gaap_ProfitLoss us-gaap true credit duration monetary No definition available. false false false false false false false false false false false totallabel false 1 false true false false 75366000 75366 false false false 2 false true false false 74372000 74372 false false false The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph A1, A4, A5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 5 -Subparagraph b Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 29 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 38 -Subparagraph a Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 38 -Subparagraph c(1) true 17 Less: Net income attributable to noncontrolling interests 3 us-gaap_NetIncomeLossAttributableToNoncontrollingInterest us-gaap true debit duration monetary No definition available. false false false false false false false false false false false label false 1 false true false false 3306000 3306 false false false 2 false true false false 1509000 1509 false false false The portion of net income (loss) attributable to the noncontrolling interest (if any) deducted in order to derive the portion attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 38 -Subparagraph a Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 38 -Subparagraph c(1) Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph A1, A4, A5 false 18 Net income attributable to Foster Wheeler AG 3 us-gaap_NetIncomeLoss us-gaap true credit duration monetary No definition available. false false false false false false false false false false false totallabel false 1 true true false false 72060000 72060 false false false 2 true true false false 72863000 72863 false false false The portion of consolidated profit or loss for the period, net of income taxes, which is attributable to the parent. If the entity does not present consolidated financial statements, the amount of profit or loss for the period, net of income taxes. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 19 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 38 -Subparagraph d Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph A7 -Appendix A Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 38 -Subparagraph a Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 20 -Article 9 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 130 -Paragraph 10, 15 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Emerging Issues Task Force (EITF) -Number 87-21 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 28, 29, 30 true 20 Earnings per share (see Note 1): 4 us-gaap_EarningsPerShareBasicAbstract us-gaap true na duration string No definition available. false false false false false true false false false false false false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false No definition available. false 21 Basic 5 us-gaap_EarningsPerShareBasic us-gaap true na duration decimal No definition available. false false false false false false false false false false false label true 1 true true false false 0.57 0.57 false false false 2 true true false false 0.58 0.58 false false false The amount of net income or loss for the period per each share of common stock outstanding during the reporting period. 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