2.2.0.25falsefalse40808 - Disclosure - Pensions and Other Postretirement Benefits (Defined benefit pension plans with an accumulated benefit obligation in excess of plan assets - Table) (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$5false0us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligationus-gaaptruecreditinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsefalse398932000398932[1]falsetruefalsefalsefalse2truefalsefalse380183000380183[2]falsetruefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryIf aggregate disclosures are presented, the aggregate projected benefit obligation for pension plans with accumulated benefit obligations in excess of plan assets as of the measurement date of each statement of financial position presented.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 132R -Paragraph C3 falsefalseProjected benefit obligation for defined benefit plans with an accumulated benefit obligation in excess of plan assets6false0us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligationus-gaaptruecreditinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsefalse395832000395832[1]falsefalsefalsefalsefalse2truefalsefalse377284000377284[2]falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryIf aggregate disclosures are presented, the aggregate pension accumulated benefit obligation for pension plans with accumulated benefit obligations in excess of plan assets as of the measurement date of each statement of financial position presented.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 132R -Paragraph 6 -Subparagraph b falsefalseAccumulated benefit obligation for defined benefit plans with an accumulated benefit obligation in excess of plan assets7false0us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssetsus-gaaptruedebitinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsefalse344670000344670[1]falsetruefalsefalsefalse2truefalsefalse306119000306119[2]falsetruefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryIf aggregate disclosures are presented, the aggregate fair value of plan assets for pension plans with accumulated benefit obligations in excess of plan assets as of the measurement date of each statement of financial position presented.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 132R -Paragraph 6 -Subparagraph b falsefalseFair value of plan assets for defined benefit plans with an accumulated benefit obligation in excess of plan assets1Balances for the fiscal year ended December 31, 2010 do not include information for plans in the United Kingdom and South Africa since the plan assets of those plans exceeded the accumulated benefit obligation.2Balances for the fiscal year ended December 31, 2009 do not include information for plans in the United Kingdom and South Africa since the plan assets of those plans exceeded the accumulated benefit obligation.23Pensions and Other Postretirement Benefits (Defined benefit pension plans with an accumulated benefit obligation in excess of plan assets - Table) (Details) (USD $)ThousandsUnKnownUnKnownUnKnownfalsetrue