10-K Filing

QUESTAR CORP CIK: 751652 FY 2011

Filing Information

Form Type	10-K
Accession Number	`0000751652-12-000007`
Period End Date	20111231
Filing Date	20120224
Fiscal Year	2011
Fiscal Period	FY
XBRL Instance	str-20111231.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 101 Income Statement 161 Cash Flow Statement 141 Stockholders Equity 51

Balance Sheet 101 line items

Line Item	Tag	Value	Unit	Period
Common Stock, No Par Value	`CommonStockNoParValue`	-	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$11.60M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$11.50M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	-	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$21.80M	USD	Point-in-time
Common Stock, Shares Authorized	`CommonStockSharesAuthorized`	500.00M	shares	Point-in-time
Federal income taxes receivable	`IncomeTaxesReceivable`	-	USD	Point-in-time
Federal income taxes receivable	`IncomeTaxesReceivable`	$37.10M	USD	Point-in-time
Common Stock, Shares Outstanding	`CommonStockSharesOutstanding`	177.90M	shares	Point-in-time
Accounts receivable, net	`AccountsReceivableNetCurrent`	$122.10M	USD	Point-in-time
Common Stock, Shares Outstanding	`CommonStockSharesOutstanding`	176.50M	shares	Point-in-time
Accounts receivable, net	`AccountsReceivableNetCurrent`	$123.90M	USD	Point-in-time
Unbilled gas accounts receivable	`UnbilledContractsReceivable`	$81.60M	USD	Point-in-time
Unbilled gas accounts receivable	`UnbilledContractsReceivable`	$75.40M	USD	Point-in-time
Gas stored underground	`EnergyRelatedInventoryGasStoredUnderground`	$40.30M	USD	Point-in-time
Gas stored underground	`EnergyRelatedInventoryGasStoredUnderground`	$43.70M	USD	Point-in-time
Materials and supplies	`OtherInventorySupplies`	$19.00M	USD	Point-in-time
Materials and supplies	`OtherInventorySupplies`	$25.70M	USD	Point-in-time
Current regulatory assets	`RegulatoryAssetsCurrent`	$31.70M	USD	Point-in-time
Current regulatory assets	`RegulatoryAssetsCurrent`	$53.50M	USD	Point-in-time
Prepaid expenses and other	`PrepaidExpenseCurrent`	$9.00M	USD	Point-in-time
Prepaid expenses and other	`PrepaidExpenseCurrent`	$10.70M	USD	Point-in-time
Deferred income taxes - current	`DeferredTaxAssetsNetCurrent`	$16.10M	USD	Point-in-time
Deferred income taxes - current	`DeferredTaxAssetsNetCurrent`	$11.80M	USD	Point-in-time
Total Current Assets	`AssetsCurrent`	$399.60M	USD	Point-in-time
Total Current Assets	`AssetsCurrent`	$335.40M	USD	Point-in-time
Distribution property, plant and equipment	`PublicUtilitiesPropertyPlantAndEquipmentDistribution`	$1.93B	USD	Point-in-time
Distribution property, plant and equipment	`PublicUtilitiesPropertyPlantAndEquipmentDistribution`	$1.82B	USD	Point-in-time
Transportation property, plant and equipment	`PublicUtilitiesPropertyPlantAndEquipmentTransmission`	$1.71B	USD	Point-in-time
Transportation property, plant and equipment	`PublicUtilitiesPropertyPlantAndEquipmentTransmission`	$1.79B	USD	Point-in-time
Cost-of-service gas and oil property, plant and equipment, successful efforts method	`CapitalizedCostsOilAndGasProducingActivitiesGross`	$1.11B	USD	Point-in-time
Cost-of-service gas and oil property, plant and equipment, successful efforts method	`CapitalizedCostsOilAndGasProducingActivitiesGross`	$1.25B	USD	Point-in-time
Other	`PropertyPlantAndEquipmentOther`	$13.10M	USD	Point-in-time
Other	`PropertyPlantAndEquipmentOther`	$5.00M	USD	Point-in-time
Total property, plant and equipment	`PropertyPlantAndEquipmentGross`	$4.64B	USD	Point-in-time
Total property, plant and equipment	`PropertyPlantAndEquipmentGross`	$4.98B	USD	Point-in-time
Distribution accumulated depreciation and amortization	`DistributionAccumulatedDepreciationAndAmortization`	$749.60M	USD	Point-in-time
Distribution accumulated depreciation and amortization	`DistributionAccumulatedDepreciationAndAmortization`	$721.30M	USD	Point-in-time
Transportation accumulated depreciation and amortization	`TransportationAccumulatedDepreciationAndAmortization`	$586.70M	USD	Point-in-time
Transportation accumulated depreciation and amortization	`TransportationAccumulatedDepreciationAndAmortization`	$545.00M	USD	Point-in-time
Cost-of-service gas and oil accumulated depreciation depletion and amortization	`CapitalizedCostsAccumulatedDepreciationDepletionAmortizationAndValuationAllowanceForRelatingToOilAndGasProducingActivities`	$545.00M	USD	Point-in-time
Cost-of-service gas and oil accumulated depreciation depletion and amortization	`CapitalizedCostsAccumulatedDepreciationDepletionAmortizationAndValuationAllowanceForRelatingToOilAndGasProducingActivities`	$487.80M	USD	Point-in-time
Other accumulated depreciation and amortization	`OtherAccumulatedDepreciationAndAmortization`	$4.40M	USD	Point-in-time
Other accumulated depreciation and amortization	`OtherAccumulatedDepreciationAndAmortization`	$4.10M	USD	Point-in-time
Total accumulated depreciation, depletion and amortization	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$1.89B	USD	Point-in-time
Total accumulated depreciation, depletion and amortization	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$1.76B	USD	Point-in-time
Total Property, Plant and Equipment, net	`PropertyPlantAndEquipmentNet`	$3.10B	USD	Point-in-time
Total Property, Plant and Equipment, net	`PropertyPlantAndEquipmentNet`	$2.88B	USD	Point-in-time
Investment in unconsolidated affiliate	`InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures`	$27.30M	USD	Point-in-time
Investment in unconsolidated affiliate	`InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures`	$27.90M	USD	Point-in-time
Goodwill	`Goodwill`	$9.80M	USD	Point-in-time
Goodwill	`Goodwill`	$9.80M	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsNoncurrent`	$21.70M	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsNoncurrent`	$21.00M	USD	Point-in-time
Other noncurrent assets	`OtherAssetsNoncurrent`	$40.90M	USD	Point-in-time
Other noncurrent assets	`OtherAssetsNoncurrent`	$30.00M	USD	Point-in-time
Total Other Assets	`OtherAssets`	$61.50M	USD	Point-in-time
Total Other Assets	`OtherAssets`	$71.70M	USD	Point-in-time
TOTAL ASSETS	`Assets`	$3.37B	USD	Point-in-time
TOTAL ASSETS	`Assets`	$3.53B	USD	Point-in-time
Short-term debt	`ShortTermBorrowings`	$242.00M	USD	Point-in-time
Short-term debt	`ShortTermBorrowings`	$219.00M	USD	Point-in-time
Accounts payable and accrued expenses	`AccountsPayableCurrent`	$160.50M	USD	Point-in-time
Accounts payable and accrued expenses	`AccountsPayableCurrent`	$175.70M	USD	Point-in-time
Production and other taxes	`TaxesPayableCurrent`	$29.90M	USD	Point-in-time
Production and other taxes	`TaxesPayableCurrent`	$31.50M	USD	Point-in-time
Customer advances	`CustomerAdvancesCurrent`	$25.00M	USD	Point-in-time
Customer advances	`CustomerAdvancesCurrent`	$26.20M	USD	Point-in-time
Interest payable	`InterestPayableCurrent`	$10.70M	USD	Point-in-time
Interest payable	`InterestPayableCurrent`	$8.50M	USD	Point-in-time
Current regulatory liabilities	`RegulatoryLiabilityCurrent`	$15.40M	USD	Point-in-time
Current regulatory liabilities	`RegulatoryLiabilityCurrent`	$6.00M	USD	Point-in-time
Current portion of long-term debt	`LongTermDebtCurrent`	$182.00M	USD	Point-in-time
Current portion of long-term debt	`LongTermDebtCurrent`	$91.50M	USD	Point-in-time
Total Current Liabilities	`LiabilitiesCurrent`	$655.10M	USD	Point-in-time
Total Current Liabilities	`LiabilitiesCurrent`	$568.80M	USD	Point-in-time
Long-term debt, less current portion	`LongTermDebtNoncurrent`	$993.00M	USD	Point-in-time
Long-term debt, less current portion	`LongTermDebtNoncurrent`	$898.50M	USD	Point-in-time
Deferred income taxes	`DeferredTaxAssetsLiabilitiesNetNoncurrent`	$-500.20M	USD	Point-in-time
Deferred income taxes	`DeferredTaxAssetsLiabilitiesNetNoncurrent`	$-474.70M	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationsNoncurrent`	$63.80M	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationsNoncurrent`	$65.00M	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationsNoncurrent`	$60.90M	USD	Point-in-time
Defined benefit pension plan	`DefinedBenefitPensionPlanLiabilitiesNoncurrent`	$130.00M	USD	Point-in-time
Defined benefit pension plan	`DefinedBenefitPensionPlanLiabilitiesNoncurrent`	$255.00M	USD	Point-in-time
Other postretirement benefits	`OtherPostretirementBenefitsPayableNoncurrent`	$39.50M	USD	Point-in-time
Other postretirement benefits	`OtherPostretirementBenefitsPayableNoncurrent`	$54.70M	USD	Point-in-time
Customer contributions-in-aid-of-construction	`CustomerContributionsInAidOfConstruction`	$45.50M	USD	Point-in-time
Customer contributions-in-aid-of-construction	`CustomerContributionsInAidOfConstruction`	$26.60M	USD	Point-in-time
Regulatory and other noncurrent liabilities	`RegulatoryAndOtherNoncurrentLiabilities`	$37.20M	USD	Point-in-time
Regulatory and other noncurrent liabilities	`RegulatoryAndOtherNoncurrentLiabilities`	$33.30M	USD	Point-in-time
Common stock	`CommonStockValue`	$514.70M	USD	Point-in-time
Common stock	`CommonStockValue`	$493.00M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$744.90M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$647.10M	USD	Point-in-time
Accumulated other comprehensive (loss)	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-226.10M	USD	Point-in-time
Accumulated other comprehensive (loss)	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-104.00M	USD	Point-in-time
Total Common Shareholders' Equity	`StockholdersEquity`	$1.04B	USD	Point-in-time
Total Common Shareholders' Equity	`StockholdersEquity`	$1.03B	USD	Point-in-time
TOTAL LIABILITIES AND COMMON SHAREHOLDERS' EQUITY	`LiabilitiesAndStockholdersEquity`	$3.53B	USD	Point-in-time
TOTAL LIABILITIES AND COMMON SHAREHOLDERS' EQUITY	`LiabilitiesAndStockholdersEquity`	$3.37B	USD	Point-in-time

Income Statement 161 line items

Line Item	Tag	Value	Unit	Period
Questar Gas / Revenues from unaffiliated customers	`GasDomesticRegulatedRevenueDistribution`	$901.80M	USD	Annual
Questar Gas / Revenues from unaffiliated customers	`GasDomesticRegulatedRevenueDistribution`	$918.90M	USD	Annual
Questar Gas / Revenues from unaffiliated customers	`GasDomesticRegulatedRevenueDistribution`	$965.50M	USD	Annual
Questar Pipeline / Revenues from unaffiliated customers	`GasDomesticRegulatedRevenueTransmission`	$197.40M	USD	Annual
Questar Pipeline / Revenues from unaffiliated customers	`GasDomesticRegulatedRevenueTransmission`	$173.20M	USD	Annual
Questar Pipeline / Revenues from unaffiliated customers	`GasDomesticRegulatedRevenueTransmission`	$197.20M	USD	Annual
Wexpro	`NaturalGasProductionRevenue`	$17.80M	USD	Annual
Wexpro	`NaturalGasProductionRevenue`	$31.50M	USD	Annual
Wexpro	`NaturalGasProductionRevenue`	$24.60M	USD	Annual
Total Revenues	`Revenues`	$222.90M	USD	1 Quarter
Total Revenues	`Revenues`	$1.19B	USD	Annual
Total Revenues	`Revenues`	$354.80M	USD	1 Quarter
Total Revenues	`Revenues`	$201.10M	USD	1 Quarter
Total Revenues	`Revenues`	$146.70M	USD	1 Quarter
Total Revenues	`Revenues`	$1.11B	USD	Annual
Total Revenues	`Revenues`	$362.70M	USD	1 Quarter
Total Revenues	`Revenues`	$1.12B	USD	Annual
Total Revenues	`Revenues`	$470.00M	USD	1 Quarter
Total Revenues	`Revenues`	$145.20M	USD	1 Quarter
Total Revenues	`Revenues`	$414.60M	USD	1 Quarter
Cost of sales (excluding operating expenses shown separately)	`CostOfGoodsSoldOilAndGas`	$321.50M	USD	Annual
Cost of sales (excluding operating expenses shown separately)	`CostOfGoodsSoldOilAndGas`	$280.90M	USD	Annual
Cost of sales (excluding operating expenses shown separately)	`CostOfGoodsSoldOilAndGas`	$331.40M	USD	Annual
Operating and maintenance	`CostOfPropertyRepairsAndMaintenance`	$175.80M	USD	Annual
Operating and maintenance	`CostOfPropertyRepairsAndMaintenance`	$167.60M	USD	Annual
Operating and maintenance	`CostOfPropertyRepairsAndMaintenance`	$175.90M	USD	Annual
General and administrative	`GeneralAndAdministrativeExpense`	$108.50M	USD	Annual
General and administrative	`GeneralAndAdministrativeExpense`	$93.40M	USD	Annual
General and administrative	`GeneralAndAdministrativeExpense`	$117.90M	USD	Annual
Separation costs	`SeveranceCosts`	-	USD	Annual
Separation costs	`SeveranceCosts`	$11.50M	USD	Annual
Separation costs	`SeveranceCosts`	-	USD	Annual
Depreciation, depletion and amortization	`DepreciationAndAmortization`	$147.10M	USD	Annual
Depreciation, depletion and amortization	`DepreciationAndAmortization`	$159.90M	USD	Annual
Depreciation, depletion and amortization	`DepreciationAndAmortization`	$153.40M	USD	Annual
Other taxes	`TaxesOther`	$50.60M	USD	Annual
Other taxes	`TaxesOther`	$42.40M	USD	Annual
Other taxes	`TaxesOther`	$52.50M	USD	Annual
Total Operating Expenses	`OperatingExpenses`	$827.70M	USD	Annual
Total Operating Expenses	`OperatingExpenses`	$781.90M	USD	Annual
Total Operating Expenses	`OperatingExpenses`	$780.70M	USD	Annual
Net gain from asset sales	`GainLossOnDispositionOfAssets`	$200.00K	USD	Annual
Net gain from asset sales	`GainLossOnDispositionOfAssets`	$400.00K	USD	Annual
Net gain from asset sales	`GainLossOnDispositionOfAssets`	$200.00K	USD	Annual
Operating Income (loss)	`OperatingIncomeLoss`	$328.20M	USD	Annual
Operating Income (loss)	`OperatingIncomeLoss`	$106.60M	USD	1 Quarter
Operating Income (loss)	`OperatingIncomeLoss`	$122.80M	USD	1 Quarter
Operating Income (loss)	`OperatingIncomeLoss`	$73.70M	USD	1 Quarter
Operating Income (loss)	`OperatingIncomeLoss`	$63.80M	USD	1 Quarter
Operating Income (loss)	`OperatingIncomeLoss`	$343.30M	USD	Annual
Operating Income (loss)	`OperatingIncomeLoss`	$56.30M	USD	1 Quarter
Operating Income (loss)	`OperatingIncomeLoss`	$54.40M	USD	1 Quarter
Operating Income (loss)	`OperatingIncomeLoss`	$107.80M	USD	1 Quarter
Operating Income (loss)	`OperatingIncomeLoss`	$366.90M	USD	Annual
Operating Income (loss)	`OperatingIncomeLoss`	$124.80M	USD	1 Quarter
Interest and other income	`InvestmentIncomeNonoperating`	$10.40M	USD	Annual
Interest and other income	`InvestmentIncomeNonoperating`	$12.50M	USD	Annual
Interest and other income	`InvestmentIncomeNonoperating`	$11.70M	USD	Annual
Income from unconsolidated affiliate	`IncomeLossFromEquityMethodInvestments`	$3.80M	USD	Annual
Income from unconsolidated affiliate	`IncomeLossFromEquityMethodInvestments`	$3.80M	USD	Annual
Income from unconsolidated affiliate	`IncomeLossFromEquityMethodInvestments`	$3.80M	USD	Annual
Interest expense	`InterestExpense`	$59.60M	USD	Annual
Interest expense	`InterestExpense`	$56.80M	USD	Annual
Interest expense	`InterestExpense`	$57.10M	USD	Annual
Income From Continuing Operations Before Income Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$284.90M	USD	Annual
Income From Continuing Operations Before Income Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$301.70M	USD	Annual
Income From Continuing Operations Before Income Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$324.30M	USD	Annual
Income taxes	`IncomeTaxExpenseBenefit`	$109.40M	USD	Annual
Income taxes	`IncomeTaxExpenseBenefit`	$104.40M	USD	Annual
Income taxes	`IncomeTaxExpenseBenefit`	$116.40M	USD	Annual
Income from Continuing Operations	`IncomeLossFromContinuingOperations`	$63.70M	USD	1 Quarter
Income from Continuing Operations	`IncomeLossFromContinuingOperations`	$28.70M	USD	1 Quarter
Income from Continuing Operations	`IncomeLossFromContinuingOperations`	$180.50M	USD	Annual
Income from Continuing Operations	`IncomeLossFromContinuingOperations`	$207.90M	USD	Annual
Income from Continuing Operations	`IncomeLossFromContinuingOperations`	$72.20M	USD	1 Quarter
Income from Continuing Operations	`IncomeLossFromContinuingOperations`	$27.70M	USD	1 Quarter
Income from Continuing Operations	`IncomeLossFromContinuingOperations`	$36.10M	USD	1 Quarter
Income from Continuing Operations	`IncomeLossFromContinuingOperations`	$40.30M	USD	1 Quarter
Income from Continuing Operations	`IncomeLossFromContinuingOperations`	$61.60M	USD	1 Quarter
Income from Continuing Operations	`IncomeLossFromContinuingOperations`	$69.90M	USD	1 Quarter
Income from Continuing Operations	`IncomeLossFromContinuingOperations`	$192.30M	USD	Annual
Discontinued operations, net of income taxes	`IncomeLossFromDiscontinuedOperationsNetOfTax`	$215.40M	USD	Annual
Discontinued operations, net of income taxes	`IncomeLossFromDiscontinuedOperationsNetOfTax`	-	USD	Annual
Discontinued operations, net of income taxes	`IncomeLossFromDiscontinuedOperationsNetOfTax`	$148.20M	USD	Annual
Discontinued operations, noncontrolling interest	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest`	$2.60M	USD	Annual
Discontinued operations, noncontrolling interest	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest`	$1.30M	USD	Annual
Discontinued operations, noncontrolling interest	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest`	-	USD	Annual
Total Discontinued Operations, Net Of Income Taxes	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	$68.80M	USD	1 Quarter
Total Discontinued Operations, Net Of Income Taxes	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	-	USD	Annual
Total Discontinued Operations, Net Of Income Taxes	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	$146.90M	USD	Annual
Total Discontinued Operations, Net Of Income Taxes	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	$212.80M	USD	Annual
Total Discontinued Operations, Net Of Income Taxes	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	$78.10M	USD	1 Quarter
Total Discontinued Operations, Net Of Income Taxes	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	-	USD	1 Quarter
Total Discontinued Operations, Net Of Income Taxes	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	-	USD	1 Quarter
NET INCOME ATTRIBUTABLE TO QUESTAR	`NetIncomeLoss`	$393.30M	USD	Annual
NET INCOME ATTRIBUTABLE TO QUESTAR	`NetIncomeLoss`	$97.50M	USD	1 Quarter
NET INCOME ATTRIBUTABLE TO QUESTAR	`NetIncomeLoss`	$61.60M	USD	1 Quarter
NET INCOME ATTRIBUTABLE TO QUESTAR	`NetIncomeLoss`	$150.30M	USD	1 Quarter
NET INCOME ATTRIBUTABLE TO QUESTAR	`NetIncomeLoss`	$339.20M	USD	Annual
NET INCOME ATTRIBUTABLE TO QUESTAR	`NetIncomeLoss`	$69.90M	USD	1 Quarter
NET INCOME ATTRIBUTABLE TO QUESTAR	`NetIncomeLoss`	$63.70M	USD	1 Quarter
NET INCOME ATTRIBUTABLE TO QUESTAR	`NetIncomeLoss`	$27.70M	USD	1 Quarter
NET INCOME ATTRIBUTABLE TO QUESTAR	`NetIncomeLoss`	$40.30M	USD	1 Quarter
NET INCOME ATTRIBUTABLE TO QUESTAR	`NetIncomeLoss`	$36.10M	USD	1 Quarter
NET INCOME ATTRIBUTABLE TO QUESTAR	`NetIncomeLoss`	$207.90M	USD	Annual
Basic from continuing operations	`IncomeLossFromContinuingOperationsPerBasicShare`	$1.17	USD	Annual
Basic from continuing operations	`IncomeLossFromContinuingOperationsPerBasicShare`	$0.36	USD	1 Quarter
Basic from continuing operations	`IncomeLossFromContinuingOperationsPerBasicShare`	$0.22	USD	1 Quarter
Basic from continuing operations	`IncomeLossFromContinuingOperationsPerBasicShare`	$1.09	USD	Annual
Basic from continuing operations	`IncomeLossFromContinuingOperationsPerBasicShare`	$0.34	USD	1 Quarter
Basic from continuing operations	`IncomeLossFromContinuingOperationsPerBasicShare`	$0.21	USD	1 Quarter
Basic from continuing operations	`IncomeLossFromContinuingOperationsPerBasicShare`	$0.17	USD	1 Quarter
Basic from continuing operations	`IncomeLossFromContinuingOperationsPerBasicShare`	$0.41	USD	1 Quarter
Basic from continuing operations	`IncomeLossFromContinuingOperationsPerBasicShare`	$1.03	USD	Annual
Basic from continuing operations	`IncomeLossFromContinuingOperationsPerBasicShare`	$0.15	USD	1 Quarter
Basic from continuing operations	`IncomeLossFromContinuingOperationsPerBasicShare`	$0.40	USD	1 Quarter
Basic from discontinued operations	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare`	$0.84	USD	Annual
Basic from discontinued operations	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare`	$1.23	USD	Annual
Basic from discontinued operations	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare`	-	USD	Annual
Basic total	`EarningsPerShareBasic`	$0.21	USD	1 Quarter
Basic total	`EarningsPerShareBasic`	$0.36	USD	1 Quarter
Basic total	`EarningsPerShareBasic`	$1.93	USD	Annual
Basic total	`EarningsPerShareBasic`	$2.26	USD	Annual
Basic total	`EarningsPerShareBasic`	$0.15	USD	1 Quarter
Basic total	`EarningsPerShareBasic`	$0.34	USD	1 Quarter
Basic total	`EarningsPerShareBasic`	$1.17	USD	Annual
Basic total	`EarningsPerShareBasic`	$0.56	USD	1 Quarter
Basic total	`EarningsPerShareBasic`	$0.22	USD	1 Quarter
Basic total	`EarningsPerShareBasic`	$0.40	USD	1 Quarter
Basic total	`EarningsPerShareBasic`	$0.86	USD	1 Quarter
Diluted from continuing operations	`IncomeLossFromContinuingOperationsPerDilutedShare`	$0.15	USD	1 Quarter
Diluted from continuing operations	`IncomeLossFromContinuingOperationsPerDilutedShare`	$0.36	USD	1 Quarter
Diluted from continuing operations	`IncomeLossFromContinuingOperationsPerDilutedShare`	$1.02	USD	Annual
Diluted from continuing operations	`IncomeLossFromContinuingOperationsPerDilutedShare`	$1.08	USD	Annual
Diluted from continuing operations	`IncomeLossFromContinuingOperationsPerDilutedShare`	$0.16	USD	1 Quarter
Diluted from continuing operations	`IncomeLossFromContinuingOperationsPerDilutedShare`	$0.41	USD	1 Quarter
Diluted from continuing operations	`IncomeLossFromContinuingOperationsPerDilutedShare`	$0.34	USD	1 Quarter
Diluted from continuing operations	`IncomeLossFromContinuingOperationsPerDilutedShare`	$0.20	USD	1 Quarter
Diluted from continuing operations	`IncomeLossFromContinuingOperationsPerDilutedShare`	$1.16	USD	Annual
Diluted from continuing operations	`IncomeLossFromContinuingOperationsPerDilutedShare`	$0.39	USD	1 Quarter
Diluted from continuing operations	`IncomeLossFromContinuingOperationsPerDilutedShare`	$0.22	USD	1 Quarter
Diluted from discontinued operations	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare`	-	USD	Annual
Diluted from discontinued operations	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare`	$1.21	USD	Annual
Diluted from discontinued operations	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare`	$0.83	USD	Annual
Diluted total	`EarningsPerShareDiluted`	$0.55	USD	1 Quarter
Diluted total	`EarningsPerShareDiluted`	$0.85	USD	1 Quarter
Diluted total	`EarningsPerShareDiluted`	$1.16	USD	Annual
Diluted total	`EarningsPerShareDiluted`	$0.36	USD	1 Quarter
Diluted total	`EarningsPerShareDiluted`	$0.15	USD	1 Quarter
Diluted total	`EarningsPerShareDiluted`	$0.39	USD	1 Quarter
Diluted total	`EarningsPerShareDiluted`	$0.22	USD	1 Quarter
Diluted total	`EarningsPerShareDiluted`	$2.23	USD	Annual
Diluted total	`EarningsPerShareDiluted`	$0.20	USD	1 Quarter
Diluted total	`EarningsPerShareDiluted`	$1.91	USD	Annual
Diluted total	`EarningsPerShareDiluted`	$0.34	USD	1 Quarter
Used in basic calculation	`WeightedAverageNumberOfSharesOutstandingBasic`	174.10M	shares	Annual
Used in basic calculation	`WeightedAverageNumberOfSharesOutstandingBasic`	177.40M	shares	Annual
Used in basic calculation	`WeightedAverageNumberOfSharesOutstandingBasic`	175.40M	shares	Annual
Used in diluted calculation	`WeightedAverageNumberOfDilutedSharesOutstanding`	178.00M	shares	Annual
Used in diluted calculation	`WeightedAverageNumberOfDilutedSharesOutstanding`	176.30M	shares	Annual
Used in diluted calculation	`WeightedAverageNumberOfDilutedSharesOutstanding`	178.80M	shares	Annual

Cash Flow Statement 141 line items

Line Item	Tag	Value	Unit	Period
Net income	`ProfitLoss`	$340.50M	USD	Annual
Net income	`ProfitLoss`	$207.90M	USD	Annual
Net income	`ProfitLoss`	$395.90M	USD	Annual
Discontinued operations, net of income taxes	`IncomeLossFromDiscontinuedOperationsNetOfTax`	$215.40M	USD	Annual
Discontinued operations, net of income taxes	`IncomeLossFromDiscontinuedOperationsNetOfTax`	-	USD	Annual
Discontinued operations, net of income taxes	`IncomeLossFromDiscontinuedOperationsNetOfTax`	$148.20M	USD	Annual
Depreciation, depletion and amortization	`DepreciationDepletionAndAmortization`	$169.40M	USD	Annual
Depreciation, depletion and amortization	`DepreciationDepletionAndAmortization`	$161.80M	USD	Annual
Depreciation, depletion and amortization	`DepreciationDepletionAndAmortization`	$154.30M	USD	Annual
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$96.20M	USD	Annual
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$91.40M	USD	Annual
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$82.10M	USD	Annual
Share-based compensation	`ShareBasedCompensation`	$9.30M	USD	Annual
Share-based compensation	`ShareBasedCompensation`	$15.40M	USD	Annual
Share-based compensation	`ShareBasedCompensation`	$10.10M	USD	Annual
Net (gain) from asset sales	`GainLossOnSaleOfPropertyPlantEquipment`	$400.00K	USD	Annual
Net (gain) from asset sales	`GainLossOnSaleOfPropertyPlantEquipment`	$200.00K	USD	Annual
Net (gain) from asset sales	`GainLossOnSaleOfPropertyPlantEquipment`	$200.00K	USD	Annual
(Income) from unconsolidated affiliate	`IncomeLossFromEquityMethodInvestments`	$3.80M	USD	Annual
(Income) from unconsolidated affiliate	`IncomeLossFromEquityMethodInvestments`	$3.80M	USD	Annual
(Income) from unconsolidated affiliate	`IncomeLossFromEquityMethodInvestments`	$3.80M	USD	Annual
Distributions from unconsolidated affiliate	`EquityMethodInvestmentDividendsOrDistributions`	$4.40M	USD	Annual
Distributions from unconsolidated affiliate	`EquityMethodInvestmentDividendsOrDistributions`	$4.00M	USD	Annual
Distributions from unconsolidated affiliate	`EquityMethodInvestmentDividendsOrDistributions`	$3.30M	USD	Annual
Other operating	`AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesOther`	$100.00K	USD	Annual
Other operating	`AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesOther`	-	USD	Annual
Other operating	`AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesOther`	$-1.50M	USD	Annual
Accounts receivable	`IncreaseDecreaseInAccountsReceivable`	$-7.70M	USD	Annual
Accounts receivable	`IncreaseDecreaseInAccountsReceivable`	$-21.70M	USD	Annual
Accounts receivable	`IncreaseDecreaseInAccountsReceivable`	$-2.90M	USD	Annual
Inventories	`IncreaseDecreaseInInventories`	$-100.00K	USD	Annual
Inventories	`IncreaseDecreaseInInventories`	$-24.10M	USD	Annual
Inventories	`IncreaseDecreaseInInventories`	$3.30M	USD	Annual
Prepaid expenses	`IncreaseDecreaseInPrepaidExpense`	-	USD	Annual
Prepaid expenses	`IncreaseDecreaseInPrepaidExpense`	$2.10M	USD	Annual
Prepaid expenses	`IncreaseDecreaseInPrepaidExpense`	$200.00K	USD	Annual
Accounts payable and accrued expenses	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilities`	$11.70M	USD	Annual
Accounts payable and accrued expenses	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilities`	$-18.40M	USD	Annual
Accounts payable and accrued expenses	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilities`	$-16.90M	USD	Annual
Interest rate hedge - current liability	`IncreaseDecreaseInRiskManagementAssetsAndLiabilities`	-	USD	Annual
Interest rate hedge - current liability	`IncreaseDecreaseInRiskManagementAssetsAndLiabilities`	$37.30M	USD	Annual
Interest rate hedge - current liability	`IncreaseDecreaseInRiskManagementAssetsAndLiabilities`	-	USD	Annual
Federal income taxes	`IncreaseDecreaseInAccruedIncomeTaxesPayable`	$-33.80M	USD	Annual
Federal income taxes	`IncreaseDecreaseInAccruedIncomeTaxesPayable`	$10.20M	USD	Annual
Federal income taxes	`IncreaseDecreaseInAccruedIncomeTaxesPayable`	$37.10M	USD	Annual
Regulatory assets and liabilities	`IncreaseDecreaseInRegulatoryAssetsAndLiabilities`	$38.20M	USD	Annual
Regulatory assets and liabilities	`IncreaseDecreaseInRegulatoryAssetsAndLiabilities`	$-31.20M	USD	Annual
Regulatory assets and liabilities	`IncreaseDecreaseInRegulatoryAssetsAndLiabilities`	$34.80M	USD	Annual
Other	`IncreaseDecreaseInOtherOperatingLiabilities`	$2.60M	USD	Annual
Other	`IncreaseDecreaseInOtherOperatingLiabilities`	$-40.10M	USD	Annual
Other	`IncreaseDecreaseInOtherOperatingLiabilities`	$-24.30M	USD	Annual
Net Cash Provided By Operating Activities Of Continuing Operations	`NetCashProvidedByUsedInOperatingActivitiesContinuingOperations`	$428.80M	USD	Annual
Net Cash Provided By Operating Activities Of Continuing Operations	`NetCashProvidedByUsedInOperatingActivitiesContinuingOperations`	$350.90M	USD	Annual
Net Cash Provided By Operating Activities Of Continuing Operations	`NetCashProvidedByUsedInOperatingActivitiesContinuingOperations`	$489.00M	USD	Annual
Property, plant and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$320.30M	USD	Annual
Property, plant and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$299.80M	USD	Annual
Property, plant and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$367.70M	USD	Annual
Equity investment in QEP	`AdvancesToUnconsolidatedAffiliate`	-	USD	Annual
Equity investment in QEP	`AdvancesToUnconsolidatedAffiliate`	$250.00M	USD	2 Qtrs
Equity investment in QEP	`AdvancesToUnconsolidatedAffiliate`	-	USD	Annual
Equity investment in QEP	`AdvancesToUnconsolidatedAffiliate`	$250.00M	USD	Annual
Cash used in disposition of assets	`PaymentsForProceedsFromRemovalCosts`	$2.00M	USD	Annual
Cash used in disposition of assets	`PaymentsForProceedsFromRemovalCosts`	$3.50M	USD	Annual
Cash used in disposition of assets	`PaymentsForProceedsFromRemovalCosts`	$2.60M	USD	Annual
Proceeds from disposition of assets and other	`ProceedsFromSaleOfProductiveAssets`	$300.00K	USD	Annual
Proceeds from disposition of assets and other	`ProceedsFromSaleOfProductiveAssets`	$1.90M	USD	Annual
Proceeds from disposition of assets and other	`ProceedsFromSaleOfProductiveAssets`	$600.00K	USD	Annual
Change in notes receivable	`IncreaseDecreaseInNotesReceivables`	$-50.10M	USD	Annual
Change in notes receivable	`IncreaseDecreaseInNotesReceivables`	$-39.30M	USD	Annual
Change in notes receivable	`IncreaseDecreaseInNotesReceivables`	-	USD	Annual
Distribution from QEP	`ProceedsFromDividendsReceived`	$7.30M	USD	Annual
Distribution from QEP	`ProceedsFromDividendsReceived`	-	USD	Annual
Distribution from QEP	`ProceedsFromDividendsReceived`	-	USD	Annual
Net Cash Used In Investing Activities Of Continuing Operations	`NetCashProvidedByUsedInInvestingActivitiesContinuingOperations`	$-525.70M	USD	Annual
Net Cash Used In Investing Activities Of Continuing Operations	`NetCashProvidedByUsedInInvestingActivitiesContinuingOperations`	$-370.90M	USD	Annual
Net Cash Used In Investing Activities Of Continuing Operations	`NetCashProvidedByUsedInInvestingActivitiesContinuingOperations`	$-249.80M	USD	Annual
Common stock issued	`ProceedsFromIssuanceOfCommonStock`	$16.30M	USD	Annual
Common stock issued	`ProceedsFromIssuanceOfCommonStock`	$17.90M	USD	Annual
Common stock issued	`ProceedsFromIssuanceOfCommonStock`	$7.60M	USD	Annual
Common stock repurchased	`PaymentsForRepurchaseOfCommonStock`	$11.10M	USD	Annual
Common stock repurchased	`PaymentsForRepurchaseOfCommonStock`	$4.90M	USD	Annual
Common stock repurchased	`PaymentsForRepurchaseOfCommonStock`	$7.20M	USD	Annual
Long-term debt issued, net of issuance costs	`ProceedsFromIssuanceOfLongTermDebt`	$50.80M	USD	Annual
Long-term debt issued, net of issuance costs	`ProceedsFromIssuanceOfLongTermDebt`	$174.90M	USD	Annual
Long-term debt issued, net of issuance costs	`ProceedsFromIssuanceOfLongTermDebt`	$244.60M	USD	Annual
Long-term debt repaid	`RepaymentsOfLongTermDebt`	$182.00M	USD	Annual
Long-term debt repaid	`RepaymentsOfLongTermDebt`	$42.00M	USD	Annual
Long-term debt repaid	`RepaymentsOfLongTermDebt`	-	USD	Annual
Change in long-term note payable	`ProceedsFromRepaymentsOfLongTermNotesPayable`	-	USD	Annual
Change in long-term note payable	`ProceedsFromRepaymentsOfLongTermNotesPayable`	$-50.00M	USD	Annual
Change in long-term note payable	`ProceedsFromRepaymentsOfLongTermNotesPayable`	-	USD	Annual
Change in short-term debt	`ProceedsFromRepaymentsOfShortTermDebt`	$-62.10M	USD	Annual
Change in short-term debt	`ProceedsFromRepaymentsOfShortTermDebt`	$-23.00M	USD	Annual
Change in short-term debt	`ProceedsFromRepaymentsOfShortTermDebt`	$73.00M	USD	Annual
Change in notes payable	`ProceedsFromRepaymentsOfNotesPayable`	$-52.90M	USD	Annual
Change in notes payable	`ProceedsFromRepaymentsOfNotesPayable`	$12.20M	USD	Annual
Change in notes payable	`ProceedsFromRepaymentsOfNotesPayable`	-	USD	Annual
Checks outstanding in excess of cash balances	`IncreaseDecreaseInOutstandingChecksFinancingActivities`	$-1.20M	USD	Annual
Checks outstanding in excess of cash balances	`IncreaseDecreaseInOutstandingChecksFinancingActivities`	-	USD	Annual
Checks outstanding in excess of cash balances	`IncreaseDecreaseInOutstandingChecksFinancingActivities`	-	USD	Annual
Dividends paid	`PaymentsOfDividends`	$110.10M	USD	Annual
Dividends paid	`PaymentsOfDividends`	$94.80M	USD	Annual
Dividends paid	`PaymentsOfDividends`	$87.90M	USD	Annual
Tax benefits from share-based compensation	`ExcessTaxBenefitFromShareBasedCompensationFinancingActivities`	$3.60M	USD	Annual
Tax benefits from share-based compensation	`ExcessTaxBenefitFromShareBasedCompensationFinancingActivities`	$9.20M	USD	Annual
Tax benefits from share-based compensation	`ExcessTaxBenefitFromShareBasedCompensationFinancingActivities`	$8.40M	USD	Annual
Net Cash Provided By (Used in) Financing Activities Of Continuing Operations	`NetCashProvidedByUsedInFinancingActivitiesContinuingOperations`	$-167.50M	USD	Annual
Net Cash Provided By (Used in) Financing Activities Of Continuing Operations	`NetCashProvidedByUsedInFinancingActivitiesContinuingOperations`	$-128.30M	USD	Annual
Net Cash Provided By (Used in) Financing Activities Of Continuing Operations	`NetCashProvidedByUsedInFinancingActivitiesContinuingOperations`	$185.10M	USD	Annual
CASH PROVIDED BY (USED IN) CONTINUING OPERATIONS	`NetCashProvidedByUsedInContinuingOperations`	$10.30M	USD	Annual
CASH PROVIDED BY (USED IN) CONTINUING OPERATIONS	`NetCashProvidedByUsedInContinuingOperations`	$11.50M	USD	Annual
CASH PROVIDED BY (USED IN) CONTINUING OPERATIONS	`NetCashProvidedByUsedInContinuingOperations`	$-10.20M	USD	Annual
Cash provided by operating activities of discontinued operations	`CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations`	-	USD	Annual
Cash provided by operating activities of discontinued operations	`CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations`	$475.50M	USD	Annual
Cash provided by operating activities of discontinued operations	`CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations`	$1.15B	USD	Annual
Cash used in investing activities of discontinued operations	`CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations`	$-1.15B	USD	Annual
Cash used in investing activities of discontinued operations	`CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations`	$-598.60M	USD	Annual
Cash used in investing activities of discontinued operations	`CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations`	-	USD	Annual
Cash provided by (used in) financing activities of discontinued operations	`CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations`	$-8.80M	USD	Annual
Cash provided by (used in) financing activities of discontinued operations	`CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations`	-	USD	Annual
Cash provided by (used in) financing activities of discontinued operations	`CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations`	$103.80M	USD	Annual
Effect of change in cash and cash equivalents of discontinued operations	`NetCashProvidedByUsedInDiscontinuedOperations`	$19.30M	USD	Annual
Effect of change in cash and cash equivalents of discontinued operations	`NetCashProvidedByUsedInDiscontinuedOperations`	$5.80M	USD	Annual
Effect of change in cash and cash equivalents of discontinued operations	`NetCashProvidedByUsedInDiscontinuedOperations`	-	USD	Annual
Change in cash and cash equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$-10.20M	USD	Annual
Change in cash and cash equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$10.30M	USD	Annual
Change in cash and cash equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$11.50M	USD	Annual
Beginning cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$11.60M	USD	Point-in-time
Beginning cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$11.50M	USD	Point-in-time
Beginning cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	-	USD	Point-in-time
Beginning cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$21.80M	USD	Point-in-time
Ending cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$11.60M	USD	Point-in-time
Ending cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$11.50M	USD	Point-in-time
Ending cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	-	USD	Point-in-time
Ending cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$21.80M	USD	Point-in-time
Interest	`InterestPaidNet`	$59.00M	USD	Annual
Interest	`InterestPaidNet`	$55.40M	USD	Annual
Interest	`InterestPaidNet`	$54.20M	USD	Annual
Income taxes	`IncomeTaxesPaidNet`	$44.60M	USD	Annual
Income taxes	`IncomeTaxesPaidNet`	$6.40M	USD	Annual
Income taxes	`IncomeTaxesPaidNet`	$-21.00M	USD	Annual

Stockholders Equity 51 line items

Line Item	Tag	Value	Unit	Period
Common Stock, Dividends, Per Share, Cash Paid	`CommonStockDividendsPerShareCashPaid`	$0.54	USD	Annual
Common Stock, Dividends, Per Share, Cash Paid	`CommonStockDividendsPerShareCashPaid`	$0.62	USD	Annual
Common Stock, Dividends, Per Share, Cash Paid	`CommonStockDividendsPerShareCashPaid`	$0.51	USD	Annual
Beginning Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.45B	USD	Point-in-time
Beginning Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.04B	USD	Point-in-time
Beginning Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.56B	USD	Point-in-time
Beginning Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.03B	USD	Point-in-time
Common stock issued	`StockIssuedDuringPeriodValueNewIssues`	$7.60M	USD	Annual
Common stock issued	`StockIssuedDuringPeriodValueNewIssues`	$16.30M	USD	Annual
Common stock issued	`StockIssuedDuringPeriodValueNewIssues`	$18.40M	USD	Annual
Common stock repurchased	`TreasuryStockValueAcquiredCostMethod`	$7.20M	USD	Annual
Common stock repurchased	`TreasuryStockValueAcquiredCostMethod`	$4.90M	USD	Annual
Common stock repurchased	`TreasuryStockValueAcquiredCostMethod`	$11.10M	USD	Annual
Dividends paid	`DividendsCommonStockCash`	$110.10M	USD	Annual
Dividends paid	`DividendsCommonStockCash`	$94.80M	USD	Annual
Dividends paid	`DividendsCommonStockCash`	$87.90M	USD	Annual
Share-based compensation	`StockIssuedDuringPeriodValueShareBasedCompensation`	$22.70M	USD	Annual
Share-based compensation	`StockIssuedDuringPeriodValueShareBasedCompensation`	$9.80M	USD	Annual
Share-based compensation	`StockIssuedDuringPeriodValueShareBasedCompensation`	$22.50M	USD	Annual
Tax benefits from share-based compensation	`AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation`	$8.40M	USD	Annual
Tax benefits from share-based compensation	`AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation`	$3.60M	USD	Annual
Tax benefits from share-based compensation	`AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation`	$9.20M	USD	Annual
Noncontrolling interest equity adjustment	`AdjustmentsToAdditionalPaidInCapitalReallocationOfMinorityInterest`	-	USD	Annual
Tax on equity adjustment	`IncomeTaxEffectsAllocatedDirectlyToEquityEquityTransactions`	$3.10M	USD	Annual
Spinoff of QEP	`StockholdersEquityNoteSpinoffTransaction`	$-2.73B	USD	Annual
Distribution to noncontrolling interest	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$5.70M	USD	Annual
Distribution to noncontrolling interest	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$2.40M	USD	Annual
Net income	`ProfitLoss`	$340.50M	USD	Annual
Net income	`ProfitLoss`	$207.90M	USD	Annual
Net income	`ProfitLoss`	$395.90M	USD	Annual
Change in unrealized fair value of derivatives	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax`	$-405.10M	USD	Annual
Change in unrealized fair value of derivatives	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax`	$234.20M	USD	Annual
Unrealized fair value of derivatives transferred to QEP	`UnrealizedFairValueOfDerivativesTransferredToQep`	$-372.90M	USD	Annual
Change in unrecognized actuarial gain	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax`	$-44.50M	USD	Annual
Change in unrecognized actuarial gain	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax`	$162.90M	USD	Annual
Change in unrecognized actuarial gain	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax`	$-17.70M	USD	Annual
Change in unrecognized prior-service costs	`OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostCreditArisingDuringPeriodBeforeTax`	$-3.00M	USD	Annual
Change in unrecognized prior-service costs	`OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostCreditArisingDuringPeriodBeforeTax`	$-3.30M	USD	Annual
Change in unrecognized prior-service costs	`OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostCreditArisingDuringPeriodBeforeTax`	$-3.80M	USD	Annual
Interest rate cash flow hedges	`OtherComprehensiveIncomeUnrealizedGainLossOnInterestRateCashFlowHedgesBeforeTax`	$-37.20M	USD	Annual
Change in fair value of long-term investment	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax`	$100.00K	USD	Annual
Income taxes	`OtherComprehensiveIncomeLossTax`	$-43.40M	USD	Annual
Income taxes	`OtherComprehensiveIncomeLossTax`	$-75.00M	USD	Annual
Income taxes	`OtherComprehensiveIncomeLossTax`	$-132.30M	USD	Annual
Total comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$170.90M	USD	Annual
Total comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$85.80M	USD	Annual
Total comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$266.80M	USD	Annual
Ending Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.56B	USD	Point-in-time
Ending Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.45B	USD	Point-in-time
Ending Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.04B	USD	Point-in-time
Ending Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.03B	USD	Point-in-time

Data is extracted from SEC EDGAR XBRL filings. Values shown are as reported in the filing.