1.0.0.3 true CONSOLIDATED CHANGES IN STOCKHOLDERS' EQUITY (USD $) In Thousands false 1 $ true false false false Common Stock us-gaap_StatementEquityComponentsAxis xbrldi http://xbrl.org/2006/xbrldi us-gaap_CommonStockMember us-gaap_StatementEquityComponentsAxis explicitMember u000 Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 false 2 $ true false false false Capital in Excess of Par value us-gaap_StatementEquityComponentsAxis xbrldi http://xbrl.org/2006/xbrldi us-gaap_AdditionalPaidInCapitalMember us-gaap_StatementEquityComponentsAxis explicitMember u000 Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 false 3 $ true false false false Retained Earnings us-gaap_StatementEquityComponentsAxis xbrldi http://xbrl.org/2006/xbrldi us-gaap_RetainedEarningsMember us-gaap_StatementEquityComponentsAxis explicitMember u000 Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 false 4 $ true false false false Accumulated Other Elements of Comprehensive Income us-gaap_StatementEquityComponentsAxis xbrldi http://xbrl.org/2006/xbrldi us-gaap_AccumulatedOtherComprehensiveIncomeMember us-gaap_StatementEquityComponentsAxis explicitMember u000 Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 false 5 $ true false false false Treasury Stock us-gaap_StatementEquityComponentsAxis xbrldi http://xbrl.org/2006/xbrldi us-gaap_TreasuryStockMember us-gaap_StatementEquityComponentsAxis explicitMember u000 Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 false 6 $ false false u000 Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 u002 Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 5 Balance at Dec. 31, 2006 3 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap true credit instant monetary No definition available. false false false true false false true false false 1 true true 1162000 1162 true false 2 true true 1207281000 1207281 true false 3 true true 745829000 745829 true false 4 true true 16326000 16326 true false 5 true true -177772000 -177772 true false 6 true true 1792826000 1792826 false false No definition available. No authoritative reference available. false 6 Net income 3 us-gaap_ProfitLoss us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false false 0 0 true false 3 false true 488181000 488181 true false 4 false false 0 0 true false 5 false false 0 0 true false 6 false true 488181000 488181 false false No definition available. No authoritative reference available. false 7 Foreign currency translation 3 us-gaap_OtherComprehensiveIncomeForeignCurrencyTranslationAdjustmentTaxPortionAttributableToParent us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false false 0 0 true false 3 false false 0 0 true false 4 false true 59686000 59686 true false 5 false false 0 0 true false 6 false true 59686000 59686 false false No definition available. No authoritative reference available. false 10 Change in fair value of derivatives accounted for as cash flow hedges, net of taxes 3 us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecrease us-gaap true na duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false false 0 0 true false 3 false false 0 0 true false 4 false true 5011000 5011 true false 5 false false 0 0 true false 6 false true 5011000 5011 false false No definition available. No authoritative reference available. false 11 Other comprehensive income from derivative transactions recognized in current year earnings, net of taxes 3 us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false false 0 0 true false 3 false false 0 0 true false 4 false true -4583000 -4583 true false 5 false false 0 0 true false 6 false true -4583000 -4583 false false No definition available. No authoritative reference available. false 14 Pension settlement loss, net of taxes 3 cam_PensionSettlementLossNetOfTaxes cam false na duration monetary After tax loss adjustment to other comprehensive income resulting from the settlement of the entity's defined benefit pension... false false false false false false false false false 1 false false 0 0 true false 2 false false 0 0 true false 3 false false 0 0 true false 4 false true 23282000 23282 true false 5 false false 0 0 true false 6 false true 23282000 23282 false false After tax loss adjustment to other comprehensive income resulting from the settlement of the entity's defined benefit pension and other postretirement plans. A settlement is defined as a transaction that (a) is an irrevocable action, (b) relieves the employer or plan of a primary responsibility for a pension benefit obligation, and (c) eliminates significant risks related to the obligations and the assets used to effect the settlement. No authoritative reference available. false 15 Pension curtailment gain, net of taxes 3 cam_PensionCurtailmentGainNetOfTaxes cam false na duration monetary After tax gain adjustment to other comprehensive income resulting from the curtailment of the entity's defined benefit... false false false false false false false false false 1 false false 0 0 true false 2 false false 0 0 true false 3 false false 0 0 true false 4 false true -1222000 -1222 true false 5 false false 0 0 true false 6 false true -1222000 -1222 false false After tax gain adjustment to other comprehensive income resulting from the curtailment of the entity's defined benefit pension and other postretirement plans. A curtailment is an event that significantly reduces the expected years of future service of present employees or eliminates for a significant number of employees the accrual of defined benefits for some or all of their future services. No authoritative reference available. false 16 Actuarial loss, net of amortization 3 us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false false 0 0 true false 3 false false 0 0 true false 4 false true 2504000 2504 true false 5 false false 0 0 true false 6 false true 2504000 2504 false false No definition available. No authoritative reference available. false 20 Adjustment to initially apply FIN 48 3 us-gaap_CumulativeEffectOfInitialAdoptionOfFIN48 us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false true -2000000 -2000 true false 3 false true -4996000 -4996 true false 4 false false 0 0 true false 5 false false 0 0 true false 6 false true -6996000 -6996 false false No definition available. No authoritative reference available. false 21 Non-cash stock compensation expense 3 us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false true 31383000 31383 true false 3 false false 0 0 true false 4 false false 0 0 true false 5 false false 0 0 true false 6 false true 31383000 31383 false false No definition available. No authoritative reference available. false 22 Purchase of treasury stock 3 us-gaap_TreasuryStockValueAcquiredCostMethod us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false false 0 0 true false 3 false false 0 0 true false 4 false false 0 0 true false 5 false true -341423000 -341423 true false 6 false true -341423000 -341423 false false No definition available. No authoritative reference available. false 23 Common stock and treasury stock issued under stock option and other employee benefit plans 3 us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false true -40411000 -40411 true false 3 false false 0 0 true false 4 false false 0 0 true false 5 false true 93195000 93195 true false 6 false true 52784000 52784 false false No definition available. No authoritative reference available. false 24 Tax benefit of employee stock compensation plan transactions 3 us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false true 32239000 32239 true false 3 false false 0 0 true false 4 false false 0 0 true false 5 false false 0 0 true false 6 false true 32239000 32239 false false No definition available. No authoritative reference available. false 26 Stock split 3 us-gaap_AdjustmentsToAdditionalPaidInCapitalStockSplit us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 1162000 1162 true false 2 false true -1162000 -1162 true false 3 false false 0 0 true false 4 false false 0 0 true false 5 false false 0 0 true false 6 false true 0 0 false false No definition available. No authoritative reference available. false 28 Balance at Dec. 31, 2007 3 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap true credit instant monetary No definition available. false false false true false false false true false 1 false true 2324000 2324 true false 2 false true 1227330000 1227330 true false 3 false true 1229014000 1229014 true false 4 false true 101004000 101004 true false 5 false true -426000000 -426000 true false 6 false true 2133672000 2133672 false false No definition available. No authoritative reference available. false 6 Net income 3 us-gaap_ProfitLoss us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false false 0 0 true false 3 false true 580703000 580703 true false 4 false false 0 0 true false 5 false false 0 0 true false 6 false true 580703000 580703 false false No definition available. No authoritative reference available. false 7 Foreign currency translation 3 us-gaap_OtherComprehensiveIncomeForeignCurrencyTranslationAdjustmentTaxPortionAttributableToParent us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false false 0 0 true false 3 false false 0 0 true false 4 false true -169378000 -169378 true false 5 false false 0 0 true false 6 false true -169378000 -169378 false false No definition available. No authoritative reference available. false 8 Loss on treasury locks, net of amortization and taxes 3 us-gaap_TreasuryStockValueRetiredParValueMethod us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false false 0 0 true false 3 false false 0 0 true false 4 false true -1192000 -1192 true false 5 false false 0 0 true false 6 false true -1192000 -1192 false false No definition available. No authoritative reference available. false 10 Change in fair value of derivatives accounted for as cash flow hedges, net of taxes 3 us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecrease us-gaap true na duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false false 0 0 true false 3 false false 0 0 true false 4 false true -47245000 -47245 true false 5 false false 0 0 true false 6 false true -47245000 -47245 false false No definition available. No authoritative reference available. false 11 Other comprehensive income from derivative transactions recognized in current year earnings, net of taxes 3 us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false false 0 0 true false 3 false false 0 0 true false 4 false true 3254000 3254 true false 5 false false 0 0 true false 6 false true 3254000 3254 false false No definition available. No authoritative reference available. false 12 Impact after currency effects of actuarial gains/losses and plan amendments, net of taxes 3 us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false false 0 0 true false 3 false false 0 0 true false 4 false true 7911000 7911 true false 5 false false 0 0 true false 6 false true 7911000 7911 false false No definition available. No authoritative reference available. false 13 Amortization of net actuarial losses and prior service credits, net of taxes 3 us-gaap_OtherComprehensiveIncomeReclassificationOfDefinedBenefitPlansNetGainLossRecognizedInNetPeriodicBenefitCostTax us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false false 0 0 true false 3 false false 0 0 true false 4 false true 5219000 5219 true false 5 false false 0 0 true false 6 false true 5219000 5219 false false No definition available. No authoritative reference available. false 14 Pension settlement loss, net of taxes 3 cam_PensionSettlementLossNetOfTaxes cam false na duration monetary After tax loss adjustment to other comprehensive income resulting from the settlement of the entity's defined benefit pension... false false false false false false false false false 1 false false 0 0 true false 2 false false 0 0 true false 3 false false 0 0 true false 4 false true 16503000 16503 true false 5 false false 0 0 true false 6 false true 16503000 16503 false false After tax loss adjustment to other comprehensive income resulting from the settlement of the entity's defined benefit pension and other postretirement plans. A settlement is defined as a transaction that (a) is an irrevocable action, (b) relieves the employer or plan of a primary responsibility for a pension benefit obligation, and (c) eliminates significant risks related to the obligations and the assets used to effect the settlement. No authoritative reference available. false 19 Adjustment for change in measurement date for postretirement benefit plans 3 us-gaap_EffectOnOtherComprehensiveIncomeLossDueToChangeInMeasurementDateNetOfTax us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false false 0 0 true false 3 false true 196000 196 true false 4 false true -294000 -294 true false 5 false false 0 0 true false 6 false true -98000 -98 false false No definition available. No authoritative reference available. false 21 Non-cash stock compensation expense 3 us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false true 35627000 35627 true false 3 false false 0 0 true false 4 false false 0 0 true false 5 false false 0 0 true false 6 false true 35627000 35627 false false No definition available. No authoritative reference available. false 22 Purchase of treasury stock 3 us-gaap_TreasuryStockValueAcquiredCostMethod us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false false 0 0 true false 3 false false 0 0 true false 4 false false 0 0 true false 5 false true -259883000 -259883 true false 6 false true -259883000 -259883 false false No definition available. No authoritative reference available. false 23 Common stock and treasury stock issued under stock option and other employee benefit plans 3 us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false true -30159000 -30159 true false 3 false false 0 0 true false 4 false false 0 0 true false 5 false true 47759000 47759 true false 6 false true 17600000 17600 false false No definition available. No authoritative reference available. false 24 Tax benefit of employee stock compensation plan transactions 3 us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false true 22548000 22548 true false 3 false false 0 0 true false 4 false false 0 0 true false 5 false false 0 0 true false 6 false true 22548000 22548 false false No definition available. No authoritative reference available. false 25 Stock issued for conversion of convertible debt 3 us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 39000 39 true false 2 false true -39000 -39 true false 3 false false 0 0 true false 4 false false 0 0 true false 5 false false 0 0 true false 6 false true 0 0 false false No definition available. No authoritative reference available. false 27 Adjustment to conversion of option resulting from conversion of convertible debt, net of taxes 3 cam_AdjustmentsToAdditionalPaidInCapitalEquityComponentForEarlyRepaymentOfConvertibleDebt cam false na duration monetary Adjustment to additional paid in capital subsequent to the initial recognition of convertible debt instruments as two... false false false false false false false false false 1 false false 0 0 true false 2 false true -714000 -714 true false 3 false false 0 0 true false 4 false false 0 0 true false 5 false false 0 0 true false 6 false true -714000 -714 false false Adjustment to additional paid in capital subsequent to the initial recognition of convertible debt instruments as two separate components - a debt component and an equity component, resulting from the early repayment of convertible debt. No authoritative reference available. false 28 Balance at Dec. 31, 2008 3 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap true credit instant monetary No definition available. false false false true false false false true false 1 false true 2363000 2363 true false 2 false true 1254593000 1254593 true false 3 false true 1809913000 1809913 true false 4 false true -84218000 -84218 true false 5 false true -638124000 -638124 true false 6 false true 2344527000 2344527 false false No definition available. No authoritative reference available. false 6 Net income 3 us-gaap_ProfitLoss us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false false 0 0 true false 3 false true 475519000 475519 true false 4 false false 0 0 true false 5 false false 0 0 true false 6 false true 475519000 475519 false false No definition available. No authoritative reference available. false 7 Foreign currency translation 3 us-gaap_OtherComprehensiveIncomeForeignCurrencyTranslationAdjustmentTaxPortionAttributableToParent us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false false 0 0 true false 3 false false 0 0 true false 4 false true 86649000 86649 true false 5 false false 0 0 true false 6 false true 86649000 86649 false false No definition available. No authoritative reference available. false 9 Amortization of treasury locks, net of taxes 3 us-gaap_OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false false 0 0 true false 3 false false 0 0 true false 4 false true 26000 26 true false 5 false false 0 0 true false 6 false true 26000 26 false false No definition available. No authoritative reference available. false 10 Change in fair value of derivatives accounted for as cash flow hedges, net of taxes 3 us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecrease us-gaap true na duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false false 0 0 true false 3 false false 0 0 true false 4 false true 11256000 11256 true false 5 false false 0 0 true false 6 false true 11256000 11256 false false No definition available. No authoritative reference available. false 11 Other comprehensive income from derivative transactions recognized in current year earnings, net of taxes 3 us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false false 0 0 true false 3 false false 0 0 true false 4 false true 16215000 16215 true false 5 false false 0 0 true false 6 false true 16215000 16215 false false No definition available. No authoritative reference available. false 12 Impact after currency effects of actuarial gains/losses and plan amendments, net of taxes 3 us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false false 0 0 true false 3 false false 0 0 true false 4 false true -22955000 -22955 true false 5 false false 0 0 true false 6 false true -22955000 -22955 false false No definition available. No authoritative reference available. false 13 Amortization of net actuarial losses and prior service credits, net of taxes 3 us-gaap_OtherComprehensiveIncomeReclassificationOfDefinedBenefitPlansNetGainLossRecognizedInNetPeriodicBenefitCostTax us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false false 0 0 true false 3 false false 0 0 true false 4 false true 2371000 2371 true false 5 false false 0 0 true false 6 false true 2371000 2371 false false No definition available. No authoritative reference available. false 14 Pension settlement loss, net of taxes 3 cam_PensionSettlementLossNetOfTaxes cam false na duration monetary After tax loss adjustment to other comprehensive income resulting from the settlement of the entity's defined benefit pension... false false false false false false false false false 1 false false 0 0 true false 2 false false 0 0 true false 3 false false 0 0 true false 4 false true 148000 148 true false 5 false false 0 0 true false 6 false true 148000 148 false false After tax loss adjustment to other comprehensive income resulting from the settlement of the entity's defined benefit pension and other postretirement plans. A settlement is defined as a transaction that (a) is an irrevocable action, (b) relieves the employer or plan of a primary responsibility for a pension benefit obligation, and (c) eliminates significant risks related to the obligations and the assets used to effect the settlement. No authoritative reference available. false 18 Equity securities issues for purchase of NATCO 3 us-gaap_StockIssuedDuringPeriodValueAcquisitions us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 236000 236 true false 2 false true 982082000 982082 true false 3 false false 0 0 true false 4 false false 0 0 true false 5 false true 6207000 6207 true false 6 false true 988525000 988525 false false No definition available. No authoritative reference available. false 21 Non-cash stock compensation expense 3 us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false true 27701000 27701 true false 3 false false 0 0 true false 4 false false 0 0 true false 5 false false 0 0 true false 6 false true 27701000 27701 false false No definition available. No authoritative reference available. false 22 Purchase of treasury stock 3 us-gaap_TreasuryStockValueAcquiredCostMethod us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false false 0 0 true false 3 false false 0 0 true false 4 false false 0 0 true false 5 false true -29175000 -29175 true false 6 false true -29175000 -29175 false false No definition available. No authoritative reference available. false 23 Common stock and treasury stock issued under stock option and other employee benefit plans 3 us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false true -30062000 -30062 true false 3 false false 0 0 true false 4 false false 0 0 true false 5 false true 39297000 39297 true false 6 false true 9235000 9235 false false No definition available. No authoritative reference available. false 24 Tax benefit of employee stock compensation plan transactions 3 us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false true 9718000 9718 true false 3 false false 0 0 true false 4 false false 0 0 true false 5 false false 0 0 true false 6 false true 9718000 9718 false false No definition available. No authoritative reference available. false 25 Stock issued for conversion of convertible debt 3 us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 32000 32 true false 2 false true -32000 -32 true false 3 false false 0 0 true false 4 false false 0 0 true false 5 false false 0 0 true false 6 false true 0 0 false false No definition available. No authoritative reference available. false 28 Balance at Dec. 31, 2009 3 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap true credit instant monetary No definition available. false false false true false false false true false 1 true true 2631000 2631 true false 2 true true 2244000000 2244000 true false 3 true true 2285432000 2285432 true false 4 true true 9492000 9492 true false 5 true true -621795000 -621795 true false 6 true true 3919760000 3919760 false false No definition available. No authoritative reference available. false false 6 46 false Thousands UnKnown UnKnown false true