FACTANKER · measured, cited, anchored official records connected

Organization record

NICOR INC

All evidence-backed facts for this organization, identity resolved across official registers.

CIK: 0000072020Every fact source-linked

Cite: FACTANKER, https://factanker.com/entity/96cc7f99-3989-4785-8d03-6cb4e929214c

Facts on record

Newest first; every row links to its evidence page.

FactValuePeriodSource
accounts_receivable{"amount": 231500000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"2011-09-30sec_edgar
accounts_receivable{"amount": 289400000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"2011-06-30sec_edgar
accounts_receivable{"amount": 526900000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"2011-03-31sec_edgar
accounts_receivable{"amount": 472400000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"2010-12-31sec_edgar
accounts_receivable{"amount": 235700000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"2010-09-30sec_edgar
accounts_receivable{"amount": 268100000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"2010-06-30sec_edgar
accounts_receivable{"amount": 536200000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"2010-03-31sec_edgar
accounts_receivable{"amount": 492100000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"2009-12-31sec_edgar
accounts_receivable{"amount": 245700000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"2009-09-30sec_edgar
accounts_receivable{"amount": 310900000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"2009-06-30sec_edgar
capex{"amount": 190500000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu2011-09-30sec_edgar
capex{"amount": 117900000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu2011-06-30sec_edgar
capex{"amount": 57700000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur2011-03-31sec_edgar
capex{"amount": 226800000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu2010-12-31sec_edgar
capex{"amount": 148700000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu2010-09-30sec_edgar
capex{"amount": 97300000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur2010-06-30sec_edgar
capex{"amount": 42400000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur2010-03-31sec_edgar
capex{"amount": 220300000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu2009-12-31sec_edgar
capex{"amount": 165000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu2009-09-30sec_edgar
capex{"amount": 111200000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu2009-06-30sec_edgar
capex{"amount": 249900000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu2008-12-31sec_edgar
cash_and_equivalents{"amount": 41600000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency2011-09-30sec_edgar
cash_and_equivalents{"amount": 42900000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency2011-06-30sec_edgar
cash_and_equivalents{"amount": 36000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency2011-03-31sec_edgar
cash_and_equivalents{"amount": 31500000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency2010-12-31sec_edgar
cash_and_equivalents{"amount": 75100000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency2010-09-30sec_edgar
cash_and_equivalents{"amount": 59800000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency2010-06-30sec_edgar
cash_and_equivalents{"amount": 57900000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency2010-03-31sec_edgar
cash_and_equivalents{"amount": 55700000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency2009-12-31sec_edgar
cash_and_equivalents{"amount": 52700000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency2009-09-30sec_edgar
cash_and_equivalents{"amount": 43900000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency2009-06-30sec_edgar
cash_and_equivalents{"amount": 26000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency2008-12-31sec_edgar
cash_and_equivalents{"amount": 42800000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency2007-12-31sec_edgar
cashflow_financing{"amount": -183000000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "c2011-09-30sec_edgar
cashflow_financing{"amount": -407000000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "c2011-06-30sec_edgar
cashflow_financing{"amount": -295200000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "c2011-03-31sec_edgar
cashflow_financing{"amount": -149800000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "c2010-12-31sec_edgar
cashflow_financing{"amount": -180900000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "c2010-09-30sec_edgar
cashflow_financing{"amount": -426300000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "c2010-06-30sec_edgar
cashflow_financing{"amount": -286800000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "c2010-03-31sec_edgar
cashflow_financing{"amount": -329600000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "c2009-12-31sec_edgar
cashflow_financing{"amount": -437300000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "c2009-09-30sec_edgar
cashflow_financing{"amount": -553600000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "c2009-06-30sec_edgar
cashflow_financing{"amount": 275900000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu2008-12-31sec_edgar
cashflow_investing{"amount": -172000000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "c2011-09-30sec_edgar
cashflow_investing{"amount": -100800000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "c2011-06-30sec_edgar
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cashflow_investing{"amount": -229200000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "c2010-12-31sec_edgar
cashflow_investing{"amount": -147500000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "c2010-09-30sec_edgar
cashflow_investing{"amount": -95400000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu2010-06-30sec_edgar
cashflow_investing{"amount": -35300000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu2010-03-31sec_edgar
cashflow_investing{"amount": -211500000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "c2009-12-31sec_edgar
cashflow_investing{"amount": -154600000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "c2009-09-30sec_edgar
cashflow_investing{"amount": -98700000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu2009-06-30sec_edgar
cashflow_investing{"amount": -265300000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "c2008-12-31sec_edgar
cashflow_operating{"amount": 365100000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu2011-09-30sec_edgar
cashflow_operating{"amount": 519200000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu2011-06-30sec_edgar
cashflow_operating{"amount": 350800000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu2011-03-31sec_edgar
cashflow_operating{"amount": 354800000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu2010-12-31sec_edgar
cashflow_operating{"amount": 347800000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu2010-09-30sec_edgar
cashflow_operating{"amount": 525800000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu2010-06-30sec_edgar
cashflow_operating{"amount": 324300000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu2010-03-31sec_edgar
cashflow_operating{"amount": 570800000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu2009-12-31sec_edgar
cashflow_operating{"amount": 618600000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu2009-09-30sec_edgar
cashflow_operating{"amount": 670200000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu2009-06-30sec_edgar
cashflow_operating{"amount": -27400000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu2008-12-31sec_edgar
common_shares_outstanding{"unit": "shares", "value": 45545154, "concept": "dei:EntityCommonStockSharesOutstanding"}2011-10-25sec_edgar
common_shares_outstanding{"unit": "shares", "value": 45545154, "concept": "dei:EntityCommonStockSharesOutstanding"}2011-07-27sec_edgar
common_shares_outstanding{"unit": "shares", "value": 45545154, "concept": "dei:EntityCommonStockSharesOutstanding"}2011-04-27sec_edgar
common_shares_outstanding{"unit": "shares", "value": 45549683, "concept": "dei:EntityCommonStockSharesOutstanding"}2011-02-16sec_edgar
common_shares_outstanding{"unit": "shares", "value": 45546759, "concept": "us-gaap:CommonStockSharesOutstanding"}2010-12-31sec_edgar
common_shares_outstanding{"unit": "shares", "value": 45534284, "concept": "dei:EntityCommonStockSharesOutstanding"}2010-10-26sec_edgar
common_shares_outstanding{"unit": "shares", "value": 45506484, "concept": "dei:EntityCommonStockSharesOutstanding"}2010-07-27sec_edgar
common_shares_outstanding{"unit": "shares", "value": 45245409, "concept": "us-gaap:CommonStockSharesOutstanding"}2009-12-31sec_edgar
current_assets{"amount": 788000000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"}2011-09-30sec_edgar
current_assets{"amount": 626500000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"}2011-06-30sec_edgar
current_assets{"amount": 849100000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"}2011-03-31sec_edgar
current_assets{"amount": 953600000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"}2010-12-31sec_edgar
current_assets{"amount": 883400000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"}2010-09-30sec_edgar
current_assets{"amount": 656800000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"}2010-06-30sec_edgar
current_assets{"amount": 946700000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"}2010-03-31sec_edgar
current_assets{"amount": 1003300000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"}2009-12-31sec_edgar
current_assets{"amount": 823700000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"}2009-09-30sec_edgar
current_assets{"amount": 743300000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"}2009-06-30sec_edgar
current_liabilities{"amount": 924300000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"}2011-09-30sec_edgar
current_liabilities{"amount": 720600000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"}2011-06-30sec_edgar
current_liabilities{"amount": 932600000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"}2011-03-31sec_edgar
current_liabilities{"amount": 1074300000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"}2010-12-31sec_edgar
current_liabilities{"amount": 1077500000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"}2010-09-30sec_edgar
current_liabilities{"amount": 861000000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"}2010-06-30sec_edgar
current_liabilities{"amount": 1159300000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"}2010-03-31sec_edgar
current_liabilities{"amount": 1168100000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"}2009-12-31sec_edgar
current_liabilities{"amount": 1015500000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"}2009-09-30sec_edgar
current_liabilities{"amount": 976000000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"}2009-06-30sec_edgar
dei:EntityCommonStockSharesOutstanding{"unit": "shares", "value": 45545154}2011-10-25sec_edgar
dei:EntityCommonStockSharesOutstanding{"unit": "shares", "value": 45545154}2011-07-27sec_edgar
dei:EntityCommonStockSharesOutstanding{"unit": "shares", "value": 45545154}2011-04-27sec_edgar
dei:EntityCommonStockSharesOutstanding{"unit": "shares", "value": 45549683}2011-02-16sec_edgar
dei:EntityCommonStockSharesOutstanding{"unit": "shares", "value": 45534284}2010-10-26sec_edgar
dei:EntityCommonStockSharesOutstanding{"unit": "shares", "value": 45506484}2010-07-27sec_edgar
dei:EntityPublicFloat{"amount": 2500000000, "currency": "USD"}2011-06-30sec_edgar
dei:EntityPublicFloat{"amount": 1800000000, "currency": "USD"}2010-09-30sec_edgar
dei:EntityPublicFloat{"amount": 1800000000, "currency": "USD"}2010-06-30sec_edgar
depreciation_amortization{"amount": 155400000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency2011-09-30sec_edgar
depreciation_amortization{"amount": 103600000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency2011-06-30sec_edgar
depreciation_amortization{"amount": 51900000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency"2011-03-31sec_edgar
depreciation_amortization{"amount": 202700000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency2010-12-31sec_edgar
depreciation_amortization{"amount": 151900000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency2010-09-30sec_edgar
depreciation_amortization{"amount": 101200000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency2010-06-30sec_edgar
depreciation_amortization{"amount": 50600000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency"2010-03-31sec_edgar
depreciation_amortization{"amount": 195800000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency2009-12-31sec_edgar
depreciation_amortization{"amount": 147000000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency2009-09-30sec_edgar
depreciation_amortization{"amount": 98100000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency"2009-06-30sec_edgar
depreciation_amortization{"amount": 189800000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency2008-12-31sec_edgar
dividend_per_share{"per": "shares", "amount": 1.395, "concept": "us-gaap:CommonStockDividendsPerShareDeclare2011-09-30sec_edgar
dividend_per_share{"per": "shares", "amount": 0.465, "concept": "us-gaap:CommonStockDividendsPerShareDeclare2011-09-30sec_edgar
dividend_per_share{"per": "shares", "amount": 0.465, "concept": "us-gaap:CommonStockDividendsPerShareDeclare2011-06-30sec_edgar
dividend_per_share{"per": "shares", "amount": 0.93, "concept": "us-gaap:CommonStockDividendsPerShareDeclared2011-06-30sec_edgar
dividend_per_share{"per": "shares", "amount": 0.465, "concept": "us-gaap:CommonStockDividendsPerShareDeclare2011-03-31sec_edgar
dividend_per_share{"per": "shares", "amount": 1.86, "concept": "us-gaap:CommonStockDividendsPerShareDeclared2010-12-31sec_edgar
dividend_per_share{"per": "shares", "amount": 0.465, "concept": "us-gaap:CommonStockDividendsPerShareDeclare2010-09-30sec_edgar
dividend_per_share{"per": "shares", "amount": 1.395, "concept": "us-gaap:CommonStockDividendsPerShareDeclare2010-09-30sec_edgar
dividend_per_share{"per": "shares", "amount": 0.93, "concept": "us-gaap:CommonStockDividendsPerShareDeclared2010-06-30sec_edgar
dividend_per_share{"per": "shares", "amount": 0.465, "concept": "us-gaap:CommonStockDividendsPerShareDeclare2010-06-30sec_edgar
dividend_per_share{"per": "shares", "amount": 0.465, "concept": "us-gaap:CommonStockDividendsPerShareDeclare2010-03-31sec_edgar
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dividend_per_share{"per": "shares", "amount": 1.395, "concept": "us-gaap:CommonStockDividendsPerShareDeclare2009-09-30sec_edgar
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dividend_per_share{"per": "shares", "amount": 0.465, "concept": "us-gaap:CommonStockDividendsPerShareDeclare2009-06-30sec_edgar
dividend_per_share{"per": "shares", "amount": 1.86, "concept": "us-gaap:CommonStockDividendsPerShareDeclared2008-12-31sec_edgar
dividends_paid{"amount": 64000000, "concept": "us-gaap:PaymentsOfDividendsCommonStock", "currency": "USD2011-09-30sec_edgar
dividends_paid{"amount": 42700000, "concept": "us-gaap:PaymentsOfDividendsCommonStock", "currency": "USD2011-06-30sec_edgar
dividends_paid{"amount": 21400000, "concept": "us-gaap:PaymentsOfDividendsCommonStock", "currency": "USD2011-03-31sec_edgar
dividends_paid{"amount": 85100000, "concept": "us-gaap:PaymentsOfDividendsCommonStock", "currency": "USD2010-12-31sec_edgar
dividends_paid{"amount": 63800000, "concept": "us-gaap:PaymentsOfDividendsCommonStock", "currency": "USD2010-09-30sec_edgar
dividends_paid{"amount": 42400000, "concept": "us-gaap:PaymentsOfDividendsCommonStock", "currency": "USD2010-06-30sec_edgar
dividends_paid{"amount": 21200000, "concept": "us-gaap:PaymentsOfDividendsCommonStock", "currency": "USD2010-03-31sec_edgar
dividends_paid{"amount": 84800000, "concept": "us-gaap:PaymentsOfDividendsCommonStock", "currency": "USD2009-12-31sec_edgar
dividends_paid{"amount": 63500000, "concept": "us-gaap:PaymentsOfDividendsCommonStock", "currency": "USD2009-09-30sec_edgar
dividends_paid{"amount": 42300000, "concept": "us-gaap:PaymentsOfDividendsCommonStock", "currency": "USD2009-06-30sec_edgar
dividends_paid{"amount": 84400000, "concept": "us-gaap:PaymentsOfDividendsCommonStock", "currency": "USD2008-12-31sec_edgar
eps_basic{"per": "shares", "amount": 0.12, "concept": "us-gaap:EarningsPerShareBasic", "currency": 2011-09-30sec_edgar
eps_basic{"per": "shares", "amount": 1.52, "concept": "us-gaap:EarningsPerShareBasic", "currency": 2011-09-30sec_edgar
eps_basic{"per": "shares", "amount": 0.42, "concept": "us-gaap:EarningsPerShareBasic", "currency": 2011-06-30sec_edgar
eps_basic{"per": "shares", "amount": 1.4, "concept": "us-gaap:EarningsPerShareBasic", "currency": "2011-06-30sec_edgar
eps_basic{"per": "shares", "amount": 0.98, "concept": "us-gaap:EarningsPerShareBasic", "currency": 2011-03-31sec_edgar
eps_basic{"per": "shares", "amount": 3.02, "concept": "us-gaap:EarningsPerShareBasic", "currency": 2010-12-31sec_edgar
eps_basic{"per": "shares", "amount": 0.3, "concept": "us-gaap:EarningsPerShareBasic", "currency": "2010-09-30sec_edgar
eps_basic{"per": "shares", "amount": 2.16, "concept": "us-gaap:EarningsPerShareBasic", "currency": 2010-09-30sec_edgar
eps_basic{"per": "shares", "amount": 1.86, "concept": "us-gaap:EarningsPerShareBasic", "currency": 2010-06-30sec_edgar
eps_basic{"per": "shares", "amount": 0.53, "concept": "us-gaap:EarningsPerShareBasic", "currency": 2010-06-30sec_edgar
eps_basic{"per": "shares", "amount": 1.33, "concept": "us-gaap:EarningsPerShareBasic", "currency": 2010-03-31sec_edgar
eps_basic{"per": "shares", "amount": 2.99, "concept": "us-gaap:EarningsPerShareBasic", "currency": 2009-12-31sec_edgar
eps_basic{"per": "shares", "amount": 1.77, "concept": "us-gaap:EarningsPerShareBasic", "currency": 2009-09-30sec_edgar
eps_basic{"per": "shares", "amount": 0.3, "concept": "us-gaap:EarningsPerShareBasic", "currency": "2009-09-30sec_edgar
eps_basic{"per": "shares", "amount": 1.47, "concept": "us-gaap:EarningsPerShareBasic", "currency": 2009-06-30sec_edgar
eps_basic{"per": "shares", "amount": 0.5, "concept": "us-gaap:EarningsPerShareBasic", "currency": "2009-06-30sec_edgar
eps_basic{"per": "shares", "amount": 2.64, "concept": "us-gaap:EarningsPerShareBasic", "currency": 2008-12-31sec_edgar
eps_diluted{"per": "shares", "amount": 0.12, "concept": "us-gaap:EarningsPerShareDiluted", "currency"2011-09-30sec_edgar
eps_diluted{"per": "shares", "amount": 1.52, "concept": "us-gaap:EarningsPerShareDiluted", "currency"2011-09-30sec_edgar
eps_diluted{"per": "shares", "amount": 0.42, "concept": "us-gaap:EarningsPerShareDiluted", "currency"2011-06-30sec_edgar
eps_diluted{"per": "shares", "amount": 1.4, "concept": "us-gaap:EarningsPerShareDiluted", "currency":2011-06-30sec_edgar
eps_diluted{"per": "shares", "amount": 0.98, "concept": "us-gaap:EarningsPerShareDiluted", "currency"2011-03-31sec_edgar
eps_diluted{"per": "shares", "amount": 3.02, "concept": "us-gaap:EarningsPerShareDiluted", "currency"2010-12-31sec_edgar
eps_diluted{"per": "shares", "amount": 2.15, "concept": "us-gaap:EarningsPerShareDiluted", "currency"2010-09-30sec_edgar
eps_diluted{"per": "shares", "amount": 0.3, "concept": "us-gaap:EarningsPerShareDiluted", "currency":2010-09-30sec_edgar
eps_diluted{"per": "shares", "amount": 1.85, "concept": "us-gaap:EarningsPerShareDiluted", "currency"2010-06-30sec_edgar
eps_diluted{"per": "shares", "amount": 0.53, "concept": "us-gaap:EarningsPerShareDiluted", "currency"2010-06-30sec_edgar
eps_diluted{"per": "shares", "amount": 1.33, "concept": "us-gaap:EarningsPerShareDiluted", "currency"2010-03-31sec_edgar
eps_diluted{"per": "shares", "amount": 2.98, "concept": "us-gaap:EarningsPerShareDiluted", "currency"2009-12-31sec_edgar
eps_diluted{"per": "shares", "amount": 0.3, "concept": "us-gaap:EarningsPerShareDiluted", "currency":2009-09-30sec_edgar
eps_diluted{"per": "shares", "amount": 1.77, "concept": "us-gaap:EarningsPerShareDiluted", "currency"2009-09-30sec_edgar
eps_diluted{"per": "shares", "amount": 1.47, "concept": "us-gaap:EarningsPerShareDiluted", "currency"2009-06-30sec_edgar
eps_diluted{"per": "shares", "amount": 0.5, "concept": "us-gaap:EarningsPerShareDiluted", "currency":2009-06-30sec_edgar
eps_diluted{"per": "shares", "amount": 2.63, "concept": "us-gaap:EarningsPerShareDiluted", "currency"2008-12-31sec_edgar
income_tax_expense{"amount": 8900000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"}2011-09-30sec_edgar
income_tax_expense{"amount": 38400000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"}2011-09-30sec_edgar
income_tax_expense{"amount": 11000000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"}2011-06-30sec_edgar
income_tax_expense{"amount": 29500000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"}2011-06-30sec_edgar
income_tax_expense{"amount": 18500000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"}2011-03-31sec_edgar
income_tax_expense{"amount": 69700000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"}2010-12-31sec_edgar
income_tax_expense{"amount": 9100000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"}2010-09-30sec_edgar
income_tax_expense{"amount": 50100000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"}2010-09-30sec_edgar
income_tax_expense{"amount": 41000000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"}2010-06-30sec_edgar
income_tax_expense{"amount": 12600000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"}2010-06-30sec_edgar
income_tax_expense{"amount": 28400000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"}2010-03-31sec_edgar
income_tax_expense{"amount": 65100000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"}2009-12-31sec_edgar
income_tax_expense{"amount": 38500000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"}2009-09-30sec_edgar
income_tax_expense{"amount": 9000000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"}2009-09-30sec_edgar
income_tax_expense{"amount": 29500000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"}2009-06-30sec_edgar
income_tax_expense{"amount": 10200000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"}2009-06-30sec_edgar
income_tax_expense{"amount": 44300000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"}2008-12-31sec_edgar
industry_sic{"code": "4924", "scheme": "SIC", "description": "Natural Gas Distribution"}sec_edgar
interest_expense{"amount": 24100000, "concept": "us-gaap:InterestExpense", "currency": "USD"}2011-09-30sec_edgar
interest_expense{"amount": 8500000, "concept": "us-gaap:InterestExpense", "currency": "USD"}2011-09-30sec_edgar
interest_expense{"amount": 8700000, "concept": "us-gaap:InterestExpense", "currency": "USD"}2011-06-30sec_edgar
interest_expense{"amount": 15600000, "concept": "us-gaap:InterestExpense", "currency": "USD"}2011-06-30sec_edgar
interest_expense{"amount": 6900000, "concept": "us-gaap:InterestExpense", "currency": "USD"}2011-03-31sec_edgar
interest_expense{"amount": 38100000, "concept": "us-gaap:InterestExpense", "currency": "USD"}2010-12-31sec_edgar