UBmatrix Calculation Trace Report
Line Concept Weight Decimals Precision Reported Calculated Source Message
1 Extended Link [ http://nabors.com/20090630/role/StatementsOfIncome ]
2 Context ThreeMonthsEnded_30Jun2008 [ 2008-04-01 - 2008-06-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:NetIncomeLoss -3 [6] 176413000 176,413,000 Instance OK
nbr:IncomeBeforeIncomeTaxes 1.0 -3 [6] 237643000 237,643,000 Instance OK
nbr:TotalRevenuesAndOtherIncome 1.0 -3 [7] 1303424000 1,303,424,000 Instance OK
us-gaap:SalesRevenueNet 1.0 -3 [7] 1282400000 1,282,400,000 Instance
us-gaap:IncomeLossFromEquityMethodInvestments 1.0 -3 [4] -4033000 -4,033,000 Instance
us-gaap:InvestmentIncomeInterestAndDividend 1.0 -3 [5] 25057000 25,057,000 Instance
nbr:TotalCostsAndOtherDeductions -1.0 -3 [7] 1065781000 1,065,781,000 Instance OK
us-gaap:CostOfGoodsAndServicesSold 1.0 -3 [6] 740178000 740,178,000 Instance
us-gaap:GeneralAndAdministrativeExpense 1.0 -3 [6] 116914000 116,914,000 Instance
us-gaap:DepletionNonproduction 1.0 -3 [4] 7343000 7,343,000 Instance
us-gaap:InterestExpense 1.0 -3 [5] 49375000 49,375,000 Instance
nbr:LossesGainsOnSalesRetirementsAndImpairmentsOfLongLivedAssetsAndOtherExpenseIncomeNet 1.0 -3 [4] 3158000 3,158,000 Instance
us-gaap:AssetImpairmentCharges 1.0 -3 [0] 0 0 Instance
us-gaap:DepreciationAndAmortization 1.0 -3 [6] 148813000 148,813,000 Instance
us-gaap:IncomeTaxExpenseBenefit -1.0 -3 [5] 61230000 61,230,000 Instance OK
us-gaap:DeferredIncomeTaxExpenseBenefit 1.0 -3 [5] 21471000 21,471,000 Instance
us-gaap:CurrentIncomeTaxExpenseBenefit 1.0 -3 [5] 39759000 39,759,000 Instance
2 Context ThreeMonthsEnded_30Jun2009 [ 2009-04-01 - 2009-06-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:NetIncomeLoss -3 [6] -192986000 -192,986,000 Instance OK
nbr:IncomeBeforeIncomeTaxes 1.0 -3 [6] -207883000 -207,883,000 Instance OK
nbr:TotalRevenuesAndOtherIncome 1.0 -3 [6] 877990000 877,990,000 Instance OK
us-gaap:SalesRevenueNet 1.0 -3 [6] 867869000 867,869,000 Instance
us-gaap:IncomeLossFromEquityMethodInvestments 1.0 -3 [4] -8127000 -8,127,000 Instance
us-gaap:InvestmentIncomeInterestAndDividend 1.0 -3 [5] 18248000 18,248,000 Instance
nbr:TotalCostsAndOtherDeductions -1.0 -3 [7] 1085873000 1,085,873,000 Instance OK
us-gaap:CostOfGoodsAndServicesSold 1.0 -3 [6] 453922000 453,922,000 Instance
us-gaap:GeneralAndAdministrativeExpense 1.0 -3 [6] 163808000 163,808,000 Instance
us-gaap:DepletionNonproduction 1.0 -3 [4] 2590000 2,590,000 Instance
us-gaap:InterestExpense 1.0 -3 [5] 66027000 66,027,000 Instance
nbr:LossesGainsOnSalesRetirementsAndImpairmentsOfLongLivedAssetsAndOtherExpenseIncomeNet 1.0 -3 [4] 6469000 6,469,000 Instance
us-gaap:AssetImpairmentCharges 1.0 -3 [6] 227083000 227,083,000 Instance
us-gaap:DepreciationAndAmortization 1.0 -3 [6] 165974000 165,974,000 Instance
us-gaap:IncomeTaxExpenseBenefit -1.0 -3 [5] -14897000 -14,897,000 Instance OK
us-gaap:DeferredIncomeTaxExpenseBenefit 1.0 -3 [5] 28528000 28,528,000 Instance
us-gaap:CurrentIncomeTaxExpenseBenefit 1.0 -3 [5] -43425000 -43,425,000 Instance
2 Context SixMonthsEnded_30Jun2008 [ 2008-01-01 - 2008-06-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:NetIncomeLoss -3 [6] 388457000 388,457,000 Instance OK
nbr:IncomeBeforeIncomeTaxes 1.0 -3 [6] 495467000 495,467,000 Instance OK
nbr:TotalRevenuesAndOtherIncome 1.0 -3 [7] 2625013000 2,625,013,000 Instance OK
us-gaap:SalesRevenueNet 1.0 -3 [7] 2582258000 2,582,258,000 Instance
us-gaap:IncomeLossFromEquityMethodInvestments 1.0 -3 [4] -8484000 -8,484,000 Instance
us-gaap:InvestmentIncomeInterestAndDividend 1.0 -3 [5] 51239000 51,239,000 Instance
nbr:TotalCostsAndOtherDeductions -1.0 -3 [7] 2129546000 2,129,546,000 Instance OK
us-gaap:CostOfGoodsAndServicesSold 1.0 -3 [7] 1487948000 1,487,948,000 Instance
us-gaap:GeneralAndAdministrativeExpense 1.0 -3 [6] 228235000 228,235,000 Instance
us-gaap:DepletionNonproduction 1.0 -3 [5] 21028000 21,028,000 Instance
us-gaap:InterestExpense 1.0 -3 [5] 96067000 96,067,000 Instance
nbr:LossesGainsOnSalesRetirementsAndImpairmentsOfLongLivedAssetsAndOtherExpenseIncomeNet 1.0 -3 [5] 11255000 11,255,000 Instance
us-gaap:AssetImpairmentCharges 1.0 -3 [0] 0 0 Instance
us-gaap:DepreciationAndAmortization 1.0 -3 [6] 285013000 285,013,000 Instance
us-gaap:IncomeTaxExpenseBenefit -1.0 -3 [6] 107010000 107,010,000 Instance OK
us-gaap:DeferredIncomeTaxExpenseBenefit 1.0 -3 [5] -32042000 -32,042,000 Instance
us-gaap:CurrentIncomeTaxExpenseBenefit 1.0 -3 [6] 139052000 139,052,000 Instance
2 Context January-01-2009_June-30-2009 [ 2009-01-01 - 2009-06-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:NetIncomeLoss -3 [5] -67816000 -67,816,000 Instance OK
nbr:IncomeBeforeIncomeTaxes 1.0 -3 [5] -49440000 -49,440,000 Instance OK
nbr:TotalRevenuesAndOtherIncome 1.0 -3 [7] 2020749000 2,020,749,000 Instance OK
us-gaap:SalesRevenueNet 1.0 -3 [7] 2065914000 2,065,914,000 Instance
us-gaap:IncomeLossFromEquityMethodInvestments 1.0 -3 [5] -72554000 -72,554,000 Instance
us-gaap:InvestmentIncomeInterestAndDividend 1.0 -3 [5] 27389000 27,389,000 Instance
nbr:TotalCostsAndOtherDeductions -1.0 -3 [7] 2070189000 2,070,189,000 Instance OK
us-gaap:CostOfGoodsAndServicesSold 1.0 -3 [7] 1119209000 1,119,209,000 Instance
us-gaap:GeneralAndAdministrativeExpense 1.0 -3 [6] 271151000 271,151,000 Instance
us-gaap:DepletionNonproduction 1.0 -3 [4] 5343000 5,343,000 Instance
us-gaap:InterestExpense 1.0 -3 [6] 133105000 133,105,000 Instance
nbr:LossesGainsOnSalesRetirementsAndImpairmentsOfLongLivedAssetsAndOtherExpenseIncomeNet 1.0 -3 [5] -10828000 -10,828,000 Instance
us-gaap:AssetImpairmentCharges 1.0 -3 [6] 227083000 227,083,000 Instance
us-gaap:DepreciationAndAmortization 1.0 -3 [6] 325126000 325,126,000 Instance
us-gaap:IncomeTaxExpenseBenefit -1.0 -3 [5] 18376000 18,376,000 Instance OK
us-gaap:DeferredIncomeTaxExpenseBenefit 1.0 -3 [5] 12344000 12,344,000 Instance
us-gaap:CurrentIncomeTaxExpenseBenefit 1.0 -3 [4] 6032000 6,032,000 Instance


1 Extended Link [ http://nabors.com/20090630/IncomeStatementImpairmentDetails ]
2 Context ThreeMonthsEnded_30Jun2009 [ 2009-04-01 - 2009-06-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:AssetImpairmentCharges -3 [6] 227083000 227,083,000 Instance OK
nbr:GrossImpairmentsBeforeCreditRelatedImpairment 1.0 -3 [6] 191434000 191,434,000 Instance
nbr:CreditRelatedImpairmentOnInvestment 1.0 -3 [5] 35649000 44,951,000 Instance Inconsistency found, calculated value is 44,951,000
nbr:TotalOtherThanTemporaryImpairment 1.0 -3 [5] 40300000 40,300,000 Instance
nbr:LessOtherThanTemporaryImpairmentRecognizedInOtherComprehensiveIncomeLoss -1.0 -3 [4] -4651000 -4,651,000 Instance
2 Context January-01-2009_June-30-2009 [ 2009-01-01 - 2009-06-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:AssetImpairmentCharges -3 [6] 227083000 227,083,000 Instance OK
nbr:GrossImpairmentsBeforeCreditRelatedImpairment 1.0 -3 [6] 191434000 191,434,000 Instance
nbr:CreditRelatedImpairmentOnInvestment 1.0 -3 [5] 35649000 44,951,000 Instance Inconsistency found, calculated value is 44,951,000
nbr:TotalOtherThanTemporaryImpairment 1.0 -3 [5] 40300000 40,300,000 Instance
nbr:LessOtherThanTemporaryImpairmentRecognizedInOtherComprehensiveIncomeLoss -1.0 -3 [4] -4651000 -4,651,000 Instance


1 Extended Link [ http://nabors.com/20090630/role/StatementsOfCashFlows ]
2 Context SixMonthsEnded_30Jun2008 [ 2008-01-01 - 2008-06-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:CashAndCashEquivalentsPeriodIncreaseDecrease -3 [6] 372515000 372,515,000 Instance OK
us-gaap:NetCashProvidedByUsedInOperatingActivities 1.0 -3 [6] 631995000 631,995,000 Instance OK
us-gaap:NetIncomeLoss 1.0 -3 [6] 388457000 388,457,000 Instance
us-gaap:DepreciationAndAmortization 1.0 -3 [6] 285013000 285,013,000 Instance
us-gaap:DepletionNonproduction 1.0 -3 [5] 21028000 21,028,000 Instance
us-gaap:DeferredIncomeTaxExpenseBenefit 1.0 -3 [5] -32042000 -32,042,000 Instance
us-gaap:AmortizationOfFinancingCosts 1.0 -3 [4] 4356000 4,356,000 Instance
nbr:PensionLiabilityAmortizationAndAdjustments 1.0 -3 [3] 142000 142,000 Instance
us-gaap:AmortizationOfDebtDiscountPremium 1.0 -3 [5] 65756000 65,756,000 Instance
us-gaap:AmortizationOfDeferredHedgeGains 1.0 -3 [3] 263000 263,000 Instance
us-gaap:GainLossOnSaleOfOtherAssets 1.0 -3 [5] 10407000 10,407,000 Instance
us-gaap:GainLossOnSaleOfInvestments 1.0 -3 [5] -28203000 -28,203,000 Instance
us-gaap:GainsLossesOnExtinguishmentOfDebt 1.0 -3 [0] 0 0 Instance
us-gaap:GainLossOnSaleOfDerivatives 1.0 -3 [3] -157000 -157,000 Instance
us-gaap:ShareBasedCompensation 1.0 -3 [5] 19904000 19,904,000 Instance
us-gaap:ForeignCurrencyTransactionGainLossUnrealized 1.0 -3 [3] -725000 -725,000 Instance
us-gaap:IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions 1.0 -3 [5] 15232000 15,232,000 Instance
nbr:OtherLongTermLiabilities 1.0 -3 [5] 10472000 10,472,000 Instance
us-gaap:IncreaseDecreaseInAccruedIncomeTaxesPayable 1.0 -3 [5] 38961000 38,961,000 Instance
us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities 1.0 -3 [5] -55954000 -55,954,000 Instance
nbr:OtherLongTermAssets 1.0 -3 [5] -14020000 -14,020,000 Instance
us-gaap:IncreaseDecreaseInOtherOperatingAssets 1.0 -3 [5] -43555000 -43,555,000 Instance
us-gaap:IncreaseDecreaseInInventories 1.0 -3 [4] 6152000 6,152,000 Instance
us-gaap:IncreaseDecreaseInAccountsReceivable 1.0 -3 [5] -59492000 -59,492,000 Instance
us-gaap:AssetImpairmentCharges 1.0 -3 [0] 0 0 Instance
us-gaap:NetCashProvidedByUsedInInvestingActivities 1.0 -3 [6] -573119000 -573,119,000 Instance OK
us-gaap:PaymentsToAcquireInvestments -1.0 -3 [6] 190509000 190,509,000 Instance
us-gaap:PaymentsToAcquireEquityMethodInvestments -1.0 -3 [5] 47452000 47,452,000 Instance
us-gaap:PaymentsToAcquireProductiveAssets -1.0 -3 [6] 751825000 751,825,000 Instance
us-gaap:ProceedsFromSaleMaturityAndCollectionsOfInvestments 1.0 -3 [6] 399669000 399,669,000 Instance
us-gaap:ProceedsFromSaleOfProductiveAssets 1.0 -3 [5] 16998000 16,998,000 Instance
us-gaap:NetCashProvidedByUsedInFinancingActivities 1.0 -3 [6] 311319000 311,319,000 Instance OK
nbr:PurchaseOfRestrictedStock -1.0 -3 [5] 11667000 11,667,000 Instance
us-gaap:PaymentsOfDebtIssuanceCosts -1.0 -3 [4] 4460000 4,460,000 Instance
us-gaap:RepaymentsOfLongTermDebt -1.0 -3 [6] 171788000 171,788,000 Instance
us-gaap:PaymentsForRepurchaseOfCommonStock -1.0 -3 [6] 150114000 150,114,000 Instance
us-gaap:ProceedsFromRepaymentsOfBankOverdrafts 1.0 -3 [5] 15771000 15,771,000 Instance
us-gaap:ProceedsFromIssuanceOfLongTermDebt 1.0 -3 [6] 575219000 575,219,000 Instance
us-gaap:ProceedsFromIssuanceOfCommonStock 1.0 -3 [5] 53587000 53,587,000 Instance
nbr:GainOnRepurchaseOfConvertibleDebtEquityComponent 1.0 -3 [0] 0 0 Instance
us-gaap:ExcessTaxBenefitFromShareBasedCompensationFinancingActivities 1.0 -3 [4] 4771000 4,771,000 Instance
us-gaap:EffectOfExchangeRateOnCashAndCashEquivalents 1.0 -3 [4] 2320000 2,320,000 Instance
2 Context January-01-2009_June-30-2009 [ 2009-01-01 - 2009-06-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:CashAndCashEquivalentsPeriodIncreaseDecrease -3 [6] 581566000 581,566,000 Instance OK
us-gaap:NetCashProvidedByUsedInOperatingActivities 1.0 -3 [7] 1007315000 1,007,315,000 Instance OK
us-gaap:NetIncomeLoss 1.0 -3 [5] -67816000 -67,816,000 Instance
us-gaap:DepreciationAndAmortization 1.0 -3 [6] 325126000 325,126,000 Instance
us-gaap:DepletionNonproduction 1.0 -3 [4] 5343000 5,343,000 Instance
us-gaap:DeferredIncomeTaxExpenseBenefit 1.0 -3 [5] 12344000 12,344,000 Instance
us-gaap:AmortizationOfFinancingCosts 1.0 -3 [4] 3279000 3,279,000 Instance
nbr:PensionLiabilityAmortizationAndAdjustments 1.0 -3 [2] 99000 99,000 Instance
us-gaap:AmortizationOfDebtDiscountPremium 1.0 -3 [5] 45947000 45,947,000 Instance
us-gaap:AmortizationOfDeferredHedgeGains 1.0 -3 [3] 290000 290,000 Instance
us-gaap:GainLossOnSaleOfOtherAssets 1.0 -3 [4] 6886000 6,886,000 Instance
us-gaap:GainLossOnSaleOfInvestments 1.0 -3 [5] -13594000 -13,594,000 Instance
us-gaap:GainsLossesOnExtinguishmentOfDebt 1.0 -3 [5] -15969000 -15,969,000 Instance
us-gaap:GainLossOnSaleOfDerivatives 1.0 -3 [3] -968000 -968,000 Instance
us-gaap:ShareBasedCompensation 1.0 -3 [5] 99662000 99,662,000 Instance
us-gaap:ForeignCurrencyTransactionGainLossUnrealized 1.0 -3 [3] 690000 690,000 Instance
us-gaap:IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions 1.0 -3 [5] 81053000 81,053,000 Instance
nbr:OtherLongTermLiabilities 1.0 -3 [5] 15608000 15,608,000 Instance
us-gaap:IncreaseDecreaseInAccruedIncomeTaxesPayable 1.0 -3 [5] -76675000 -76,675,000 Instance
us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities 1.0 -3 [5] -99039000 -99,039,000 Instance
nbr:OtherLongTermAssets 1.0 -3 [5] -21735000 -21,735,000 Instance
us-gaap:IncreaseDecreaseInOtherOperatingAssets 1.0 -3 [5] 83530000 83,530,000 Instance
us-gaap:IncreaseDecreaseInInventories 1.0 -3 [5] 16888000 16,888,000 Instance
us-gaap:IncreaseDecreaseInAccountsReceivable 1.0 -3 [6] 379283000 379,283,000 Instance
us-gaap:AssetImpairmentCharges 1.0 -3 [6] 227083000 227,083,000 Instance
us-gaap:NetCashProvidedByUsedInInvestingActivities 1.0 -3 [6] -781750000 -781,750,000 Instance OK
us-gaap:PaymentsToAcquireInvestments -1.0 -3 [5] 22614000 22,614,000 Instance
us-gaap:PaymentsToAcquireEquityMethodInvestments -1.0 -3 [6] 100670000 100,670,000 Instance
us-gaap:PaymentsToAcquireProductiveAssets -1.0 -3 [6] 710849000 710,849,000 Instance
us-gaap:ProceedsFromSaleMaturityAndCollectionsOfInvestments 1.0 -3 [5] 39592000 39,592,000 Instance
us-gaap:ProceedsFromSaleOfProductiveAssets 1.0 -3 [5] 12791000 12,791,000 Instance
us-gaap:NetCashProvidedByUsedInFinancingActivities 1.0 -3 [6] 352969000 352,969,000 Instance OK
nbr:PurchaseOfRestrictedStock -1.0 -3 [4] 1496000 1,496,000 Instance
us-gaap:PaymentsOfDebtIssuanceCosts -1.0 -3 [4] 8699000 8,699,000 Instance
us-gaap:RepaymentsOfLongTermDebt -1.0 -3 [6] 745212000 745,212,000 Instance
us-gaap:PaymentsForRepurchaseOfCommonStock -1.0 -3 [0] 0 0 Instance
us-gaap:ProceedsFromRepaymentsOfBankOverdrafts 1.0 -3 [5] -15715000 -15,715,000 Instance
us-gaap:ProceedsFromIssuanceOfLongTermDebt 1.0 -3 [7] 1124978000 1,124,978,000 Instance
us-gaap:ProceedsFromIssuanceOfCommonStock 1.0 -3 [3] 549000 549,000 Instance
nbr:GainOnRepurchaseOfConvertibleDebtEquityComponent 1.0 -3 [4] -1541000 -1,541,000 Instance
us-gaap:ExcessTaxBenefitFromShareBasedCompensationFinancingActivities 1.0 -3 [3] 105000 105,000 Instance
us-gaap:EffectOfExchangeRateOnCashAndCashEquivalents 1.0 -3 [4] 3032000 3,032,000 Instance


1 Extended Link [ http://nabors.com/20090630/role/StatementsOfChangesInShareholdersEquity ]
2 Context SixMonthsEnded_30Jun2009_Retained_Earnings__Member [ 2009-01-01 - 2009-06-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:ComprehensiveIncomeNetOfTax -3 [5] -67816000 -67,816,000 Instance OK
us-gaap:NetIncomeLoss 1.0 -3 [5] -67816000 -67,816,000 Instance
2 Context SixMonthsEnded_30Jun2009_Cumulative_Translation_Adjustment [ 2009-01-01 - 2009-06-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:ComprehensiveIncomeNetOfTax -3 [5] 44317000 44,317,000 Instance OK
us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease 1.0 -3 [5] 44317000 44,317,000 Instance
2 Context SixMonthsEnded_30Jun2008_Retained_Earnings__Member [ 2008-01-01 - 2008-06-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:ComprehensiveIncomeNetOfTax -3 [6] 388457000 388,457,000 Instance OK
us-gaap:NetIncomeLoss 1.0 -3 [6] 388457000 388,457,000 Instance
2 Context SixMonthsEnded_30Jun2008_Cumulative_Translation_Adjustment [ 2008-01-01 - 2008-06-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:ComprehensiveIncomeNetOfTax -3 [5] -29954000 -29,954,000 Instance OK
us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease 1.0 -3 [5] -29954000 -29,954,000 Instance
2 Context SixMonthsEnded_30Jun2008_Unrealized_Gains__Losses__on_Marketable_Securities [ 2008-01-01 - 2008-06-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:ComprehensiveIncomeNetOfTax -3 [6] 106467000 106,467,000 Instance OK
us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax 1.0 -3 [6] 107154000 107,154,000 Instance
us-gaap:OtherComprehensiveIncomeReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTax -1.0 -3 [3] 687000 687,000 Instance
2 Context SixMonthsEnded_30Jun2008_Treasury_Stock__Member [ 2008-01-01 - 2008-06-30 ]
c-equal
3 Unit USD
u-equal
nbr:ShareholdersEquitySubtotalValue -3 [6] -133968000 -133,968,000 Instance OK
us-gaap:StockIssuedDuringPeriodValueConversionOfConvertibleSecurities 1.0 -3 [5] 16146000 16,146,000 Instance
us-gaap:TreasuryStockValueAcquiredCostMethod 1.0 -3 [6] -150114000 -150,114,000 Instance
2 Context SixMonthsEnded_30Jun2008_Capital_in_Excess_of_Par_Value [ 2008-01-01 - 2008-06-30 ]
c-equal
3 Unit USD
u-equal
nbr:ShareholdersEquitySubtotalValue -3 [5] 51558000 51,558,000 Instance OK
us-gaap:StockIssuedDuringPeriodValueConversionOfConvertibleSecurities 1.0 -3 [5] -16146000 -16,146,000 Instance
us-gaap:AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation 1.0 -3 [4] 5884000 5,884,000 Instance
nbr:RestrictedStockAwardsNet 1.0 -3 [5] -11669000 -11,669,000 Instance
us-gaap:ShareBasedCompensation 1.0 -3 [5] 19904000 19,904,000 Instance
us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised 1.0 -3 [5] 53585000 53,585,000 Instance
2 Context SixMonthsEnded_30Jun2009_Capital_in_Excess_of_Par_Value [ 2009-01-01 - 2009-06-30 ]
c-equal
3 Unit USD
u-equal
nbr:ShareholdersEquitySubtotalValue -3 [5] 97279000 100,360,000 Instance Inconsistency found, calculated value is 100,360,000
nbr:RepurchaseOfEquityComponentOfConvertibleDebt 1.0 -3 [4] 1541000 1,541,000 Instance
us-gaap:AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation 1.0 -3 [3] 105000 105,000 Instance
nbr:RestrictedStockAwardsNet 1.0 -3 [4] -1496000 -1,496,000 Instance
us-gaap:ShareBasedCompensation 1.0 -3 [5] 99662000 99,662,000 Instance
us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised 1.0 -3 [3] 549000 549,000 Instance
2 Context SixMonthsEnded_30Jun2009_Common_Shares [ 2009-01-01 - 2009-06-30 ]
c-equal
3 Unit Shares
u-equal
nbr:ShareholdersEquitySubtotalShares -3 [2] 98000 98,000 Instance OK
nbr:RestrictedStockAwardsNetShares 1.0 -3 [1] 4000 4,000 Instance
nbr:NaborsExchangecoSharesExchangedShares 1.0 -3 [1] 3000 3,000 Instance
us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised 1.0 -3 [2] 91000 91,000 Instance
2 Context SixMonthsEnded_30Jun2008_Common_Shares [ 2008-01-01 - 2008-06-30 ]
c-equal
3 Unit Shares
u-equal
nbr:ShareholdersEquitySubtotalShares -3 [4] 3938000 3,938,000 Instance OK
nbr:RestrictedStockAwardsNetShares 1.0 -3 [4] 1583000 1,583,000 Instance
nbr:NaborsExchangecoSharesExchangedShares 1.0 -3 [2] 14000 14,000 Instance
us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised 1.0 -3 [4] 2341000 2,341,000 Instance
3 Unit USD
u-equal
nbr:ShareholdersEquitySubtotalValue -3 [1] 4000 4,000 Instance OK
nbr:RestrictedStockAwardsNet 1.0 -3 [1] 2000 2,000 Instance
us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised 1.0 -3 [1] 2000 2,000 Instance
2 Context SixMonthsEnded_30Jun2009_Unrealized_Gains__Losses__on_Marketable_Securities [ 2009-01-01 - 2009-06-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:ComprehensiveIncomeNetOfTax -3 [5] 69786000 69,786,000 Instance OK
nbr:UnrealizedGainsLossesOnNewCostForMarketableDebtSecurity 1.0 -3 [4] -2884000 -2,884,000 Instance
us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax 1.0 -3 [5] 41918000 41,918,000 Instance
us-gaap:OtherComprehensiveIncomeReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTax -1.0 -3 [5] -30752000 -30,752,000 Instance
2 Context SixMonthsEnded_30Jun2009_Other [ 2009-01-01 - 2009-06-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:ComprehensiveIncomeNetOfTax -3 [3] 152000 152,000 Instance OK
us-gaap:OtherComprehensiveIncomeAmortizationOfDefinedBenefitPlanNetPriorServiceCostRecognizedInNetPeriodicPensionCostNetOfTax 1.0 -3 [2] 63000 63,000 Instance
nbr:AmortizationOfGainsLossesOnCashFlowHedgesNetOfIncomeTaxBenefit 1.0 -3 [2] 89000 89,000 Instance
2 Context SixMonthsEnded_30Jun2008_Other [ 2008-01-01 - 2008-06-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:ComprehensiveIncomeNetOfTax -3 [3] 564000 564,000 Instance OK
us-gaap:OtherComprehensiveIncomeAmortizationOfDefinedBenefitPlanNetPriorServiceCostRecognizedInNetPeriodicPensionCostNetOfTax 1.0 -3 [2] 88000 88,000 Instance
nbr:AmortizationOfGainsLossesOnCashFlowHedgesNetOfIncomeTaxBenefit 1.0 -3 [3] 476000 476,000 Instance
2 Context SixMonthsEnded_30Jun2008 [ 2008-01-01 - 2008-06-30 ]
c-equal
3 Unit USD
u-equal
nbr:ShareholdersEquitySubtotalValue -3 [5] -82406000 -82,406,000 Instance OK
us-gaap:StockIssuedDuringPeriodValueConversionOfConvertibleSecurities 1.0 -3 [0] 0 0 Instance
us-gaap:AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation 1.0 -3 [4] 5884000 5,884,000 Instance
nbr:RestrictedStockAwardsNet 1.0 -3 [5] -11667000 -11,667,000 Instance
us-gaap:ShareBasedCompensation 1.0 -3 [5] 19904000 19,904,000 Instance
us-gaap:TreasuryStockValueAcquiredCostMethod 1.0 -3 [6] -150114000 -150,114,000 Instance
nbr:GainOnRepurchaseOfConvertibleDebtEquityComponent -1.0 -3 [0] 0 0 Instance
us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised 1.0 -3 [5] 53587000 53,587,000 Instance
us-gaap:ComprehensiveIncomeNetOfTax -3 [6] 465534000 465,534,000 Instance OK
us-gaap:NetIncomeLoss 1.0 -3 [6] 388457000 388,457,000 Instance
us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease 1.0 -3 [5] -29954000 -29,954,000 Instance
us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax 1.0 -3 [6] 107154000 107,154,000 Instance
us-gaap:OtherComprehensiveIncomeAmortizationOfDefinedBenefitPlanNetPriorServiceCostRecognizedInNetPeriodicPensionCostNetOfTax 1.0 -3 [2] 88000 88,000 Instance
nbr:AmortizationOfGainsLossesOnCashFlowHedgesNetOfIncomeTaxBenefit 1.0 -3 [3] 476000 476,000 Instance
us-gaap:OtherComprehensiveIncomeReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTax -1.0 -3 [3] 687000 687,000 Instance
2 Context January-01-2009_June-30-2009 [ 2009-01-01 - 2009-06-30 ]
c-equal
3 Unit USD
u-equal
nbr:ShareholdersEquitySubtotalValue -3 [5] 97279000 101,900,000 Instance Inconsistency found, calculated value is 101,900,000
nbr:RepurchaseOfEquityComponentOfConvertibleDebt 1.0 -3 [4] 1541000 1,541,000 Instance
us-gaap:AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation 1.0 -3 [3] 105000 105,000 Instance
nbr:RestrictedStockAwardsNet 1.0 -3 [4] -1496000 -1,496,000 Instance
us-gaap:ShareBasedCompensation 1.0 -3 [5] 99662000 99,662,000 Instance
nbr:GainOnRepurchaseOfConvertibleDebtEquityComponent -1.0 -3 [4] -1541000 -1,541,000 Instance
us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised 1.0 -3 [3] 549000 549,000 Instance
us-gaap:ComprehensiveIncomeNetOfTax -3 [5] 46439000 46,439,000 Instance OK
nbr:UnrealizedGainsLossesOnNewCostForMarketableDebtSecurity 1.0 -3 [4] -2884000 -2,884,000 Instance
us-gaap:NetIncomeLoss 1.0 -3 [5] -67816000 -67,816,000 Instance
us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease 1.0 -3 [5] 44317000 44,317,000 Instance
us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax 1.0 -3 [5] 41918000 41,918,000 Instance
us-gaap:OtherComprehensiveIncomeAmortizationOfDefinedBenefitPlanNetPriorServiceCostRecognizedInNetPeriodicPensionCostNetOfTax 1.0 -3 [2] 63000 63,000 Instance
nbr:AmortizationOfGainsLossesOnCashFlowHedgesNetOfIncomeTaxBenefit 1.0 -3 [2] 89000 89,000 Instance
us-gaap:OtherComprehensiveIncomeReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTax -1.0 -3 [5] -30752000 -30,752,000 Instance


1 Extended Link [ http://nabors.com/20090630/role/BalanceSheets ]
2 Context BalanceAsOf_30Jun2009 [ 2009-06-30 - ]
c-equal
3 Unit USD
u-equal
us-gaap:LiabilitiesAndStockholdersEquity -3 [8] 10869362000 10,869,362,000 Instance OK
us-gaap:Liabilities 1.0 -3 [7] 5821538000 5,821,538,000 Instance OK
us-gaap:LongTermDebtNoncurrent 1.0 -3 [7] 4063288000 4,063,288,000 Instance
us-gaap:DeferredTaxLiabilitiesNoncurrent 1.0 -3 [6] 646573000 646,573,000 Instance
us-gaap:OtherLiabilitiesNoncurrent 1.0 -3 [6] 267178000 267,178,000 Instance
us-gaap:LiabilitiesCurrent 1.0 -3 [6] 844499000 844,499,000 Instance OK
us-gaap:LongTermDebtCurrent 1.0 -3 [6] 168699000 168,699,000 Instance
us-gaap:AccruedIncomeTaxesCurrent 1.0 -3 [5] 46250000 46,250,000 Instance
us-gaap:AccruedLiabilitiesCurrent 1.0 -3 [6] 367005000 367,005,000 Instance
us-gaap:AccountsPayableCurrent 1.0 -3 [6] 262545000 262,545,000 Instance
us-gaap:StockholdersEquity 1.0 -3 [7] 5047824000 5,047,824,000 Instance OK
us-gaap:TreasuryStockValue -1.0 -3 [6] 977873000 977,873,000 Instance
us-gaap:CommonStockValue 1.0 -3 [3] 312000 312,000 Instance
us-gaap:AdditionalPaidInCapitalCommonStock 1.0 -3 [7] 2226694000 2,226,694,000 Instance
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax 1.0 -3 [6] 167775000 167,775,000 Instance
us-gaap:RetainedEarningsAccumulatedDeficit 1.0 -3 [7] 3630916000 3,630,916,000 Instance
us-gaap:Assets -3 [8] 10869362000 10,869,362,000 Instance OK
us-gaap:OtherAssetsNoncurrent 1.0 -3 [6] 209147000 209,147,000 Instance
us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures 1.0 -3 [6] 433955000 433,955,000 Instance
us-gaap:Goodwill 1.0 -3 [6] 162812000 162,812,000 Instance
us-gaap:PropertyPlantAndEquipmentNet 1.0 -3 [7] 7621186000 7,621,186,000 Instance
us-gaap:LongTermInvestmentsAndReceivablesNet 1.0 -3 [6] 140101000 140,101,000 Instance
us-gaap:AssetsCurrent 1.0 -3 [7] 2302161000 2,302,161,000 Instance OK
us-gaap:CashAndCashEquivalentsAtCarryingValue 1.0 -3 [7] 1023653000 1,023,653,000 Instance
us-gaap:ShortTermInvestments 1.0 -3 [6] 172787000 172,787,000 Instance
us-gaap:AccountsReceivableNetCurrent 1.0 -3 [6] 787653000 787,653,000 Instance
us-gaap:InventoryNet 1.0 -3 [6] 134017000 134,017,000 Instance
us-gaap:DeferredTaxAssetsNetCurrent 1.0 -3 [5] 22837000 22,837,000 Instance
us-gaap:OtherAssetsCurrent 1.0 -3 [6] 161214000 161,214,000 Instance
2 Context BalanceAsOf_31Dec2008 [ 2008-12-31 - ]
c-equal
3 Unit USD
u-equal
us-gaap:LiabilitiesAndStockholdersEquity -3 [8] 10517899000 10,517,899,000 Instance OK
us-gaap:Liabilities 1.0 -3 [7] 5613793000 5,613,793,000 Instance OK
us-gaap:LongTermDebtNoncurrent 1.0 -3 [7] 3600533000 3,600,533,000 Instance
us-gaap:DeferredTaxLiabilitiesNoncurrent 1.0 -3 [6] 622523000 622,523,000 Instance
us-gaap:OtherLiabilitiesNoncurrent 1.0 -3 [6] 261878000 261,878,000 Instance
us-gaap:LiabilitiesCurrent 1.0 -3 [7] 1128859000 1,128,859,000 Instance OK
us-gaap:LongTermDebtCurrent 1.0 -3 [6] 225030000 225,030,000 Instance
us-gaap:AccruedIncomeTaxesCurrent 1.0 -3 [6] 111528000 111,528,000 Instance
us-gaap:AccruedLiabilitiesCurrent 1.0 -3 [6] 367393000 367,393,000 Instance
us-gaap:AccountsPayableCurrent 1.0 -3 [6] 424908000 424,908,000 Instance
us-gaap:StockholdersEquity 1.0 -3 [7] 4904106000 4,904,106,000 Instance OK
us-gaap:TreasuryStockValue -1.0 -3 [6] 977873000 977,873,000 Instance
us-gaap:CommonStockValue 1.0 -3 [3] 312000 312,000 Instance
us-gaap:AdditionalPaidInCapitalCommonStock 1.0 -3 [7] 2129415000 2,129,415,000 Instance
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax 1.0 -3 [5] 53520000 53,520,000 Instance
us-gaap:RetainedEarningsAccumulatedDeficit 1.0 -3 [7] 3698732000 3,698,732,000 Instance
us-gaap:Assets -3 [8] 10517899000 10,517,899,000 Instance OK
us-gaap:OtherAssetsNoncurrent 1.0 -3 [6] 191919000 191,919,000 Instance
us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures 1.0 -3 [6] 411727000 411,727,000 Instance
us-gaap:Goodwill 1.0 -3 [6] 175749000 175,749,000 Instance
us-gaap:PropertyPlantAndEquipmentNet 1.0 -3 [7] 7331959000 7,331,959,000 Instance
us-gaap:LongTermInvestmentsAndReceivablesNet 1.0 -3 [6] 239952000 239,952,000 Instance
us-gaap:AssetsCurrent 1.0 -3 [7] 2166593000 2,166,593,000 Instance OK
us-gaap:CashAndCashEquivalentsAtCarryingValue 1.0 -3 [6] 442087000 442,087,000 Instance
us-gaap:ShortTermInvestments 1.0 -3 [6] 142158000 142,158,000 Instance
us-gaap:AccountsReceivableNetCurrent 1.0 -3 [7] 1160768000 1,160,768,000 Instance
us-gaap:InventoryNet 1.0 -3 [6] 150118000 150,118,000 Instance
us-gaap:DeferredTaxAssetsNetCurrent 1.0 -3 [5] 28083000 28,083,000 Instance
us-gaap:OtherAssetsCurrent 1.0 -3 [6] 243379000 243,379,000 Instance


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