2.2.0.25falsefalse40302 - Disclosure - Accounts and Notes Receivable (Components of other accounts and notes receivable) (Details)truefalseIn Thousandsfalse1falsefalseUSDfalsefalse12/31/2010 USD ($) USD ($) / shares $As_Of_12_31_20104http://www.sec.gov/CIK0001130385instant2010-12-31T00:00:000001-01-01T00:00:00Unit12Standardhttp://www.xbrl.org/2003/iso4217USDiso42170Unit15Dividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli0Unit1Standardhttp://www.xbrl.org/2003/instancesharesxbrli0USDUSD$2falsefalseUSDfalsefalse12/31/2009 USD ($) USD ($) / shares $As_Of_12_31_20093http://www.sec.gov/CIK0001130385instant2009-12-31T00:00:000001-01-01T00:00:00Unit12Standardhttp://www.xbrl.org/2003/iso4217USDiso42170Unit1Standardhttp://www.xbrl.org/2003/instancesharesxbrli0Unit15Dividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli0USDUSD$5false0fwlt_AsbestosRelatedInsuranceRecoveryReceivableCurrentfwltfalsedebitinstantEstimate of recoveries anticipated to be collected within one year from insurers relating to asbestos claims.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truefalsefalse5637700056377falsetruefalsefalsefalse2truefalsefalse6900700069007falsetruefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryEstimate of recoveries anticipated to be collected within one year from insurers relating to asbestos claims.No authoritative reference available.falsefalseAsbestos insurance receivable6false0us-gaap_ValueAddedTaxReceivableCurrentus-gaaptruedebitinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truefalsefalse1809400018094falsefalsefalsefalsefalse2truefalsefalse2339700023397falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryCarrying amount as of the balance sheet date of value added taxes due either from customers arising from sales on credit terms, or as previously overpaid to tax authorities. For classified balance sheets, represents the current amount receivable, that is amounts expected to be collected within one year or the normal operating cycle, if longer.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 8 -Article 5 falsefalseForeign refundable value-added tax7false0fwlt_OtherNontradeReceivablesCurrentfwltfalsedebitinstantOther amounts currently receivable from third-parties. For classified balance sheets, represents the current other...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truefalsefalse2228700022287falsefalsefalsefalsefalse2truefalsefalse2531400025314falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryOther amounts currently receivable from third-parties. For classified balance sheets, represents the current other receivables, that are amounts expected to be collected within one year.No authoritative reference available.falsefalseOther8false0fwlt_OtherAccountsAndNotesReceivableNetfwltfalsedebitinstantIncludes insurance claims, interest, dividends, foreign refundable value added taxes and security/other deposits that are...falsefalsefalsefalsefalsefalsefalsefalsefalsefalsetotallabel1truefalsefalse9675800096758falsetruefalsefalsefalse2truefalsefalse117718000117718falsetruefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryIncludes insurance claims, interest, dividends, foreign refundable value added taxes and security/other deposits that are anticipated to be collected within one year and the current portion of the asbestos-related insurance recovery receivable.No authoritative reference available.truefalseOther accounts and notes receivable, net24Accounts and Notes Receivable (Components of other accounts and notes receivable) (Details) (USD $)ThousandsUnKnownUnKnownUnKnownfalsetrue