Organization record
SOUTHERN STAR CENTRAL CORP.
All evidence-backed facts for this organization, identity resolved across official registers.
Facts on record
Newest first; every row links to its evidence page.
| Fact | Value | Period | Source |
|---|---|---|---|
| accounts_receivable | {"amount": 19796000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2014-06-30 | sec_edgar |
| accounts_receivable | {"amount": 21012000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2014-03-31 | sec_edgar |
| accounts_receivable | {"amount": 27049000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2013-12-31 | sec_edgar |
| accounts_receivable | {"amount": 17897000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2013-09-30 | sec_edgar |
| accounts_receivable | {"amount": 17011000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2013-06-30 | sec_edgar |
| accounts_receivable | {"amount": 17754000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2013-03-31 | sec_edgar |
| accounts_receivable | {"amount": 19651000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2012-12-31 | sec_edgar |
| capex | {"amount": 28437000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2014-06-30 | sec_edgar |
| capex | {"amount": 13831000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2014-03-31 | sec_edgar |
| capex | {"amount": 28833000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2013-06-30 | sec_edgar |
| capex | {"amount": 11446000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2013-03-31 | sec_edgar |
| capex | {"amount": -24370000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2012-06-30 | sec_edgar |
| capex | {"amount": -9192000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2012-03-31 | sec_edgar |
| capex | {"amount": -38710000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2011-12-31 | sec_edgar |
| capex | {"amount": -24699000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2011-09-30 | sec_edgar |
| capex | {"amount": -14951000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2011-06-30 | sec_edgar |
| capex | {"amount": -4643000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2011-03-31 | sec_edgar |
| capex | {"amount": -59957000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2010-12-31 | sec_edgar |
| capex | {"amount": -44471000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2010-09-30 | sec_edgar |
| capex | {"amount": -21651000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2010-06-30 | sec_edgar |
| capex | {"amount": -40275000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2009-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 101485000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2014-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 16442000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2014-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 18388000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2013-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 12204000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2013-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 19775000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2013-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 18072000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2013-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 37467000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2012-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 31251000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2012-09-23 | sec_edgar |
| cash_and_equivalents | {"amount": 22561000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2012-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 22332000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2012-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 23501000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2011-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 30890000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2011-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 23452000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2011-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 21295000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2011-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 23200000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2010-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 39746000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2010-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 41170000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2010-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 38789000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2009-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 35615000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2008-12-31 | sec_edgar |
| cashflow_financing | {"amount": 71385000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2014-06-30 | sec_edgar |
| cashflow_financing | {"amount": -24584000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2014-03-31 | sec_edgar |
| cashflow_financing | {"amount": -24636000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2013-06-30 | sec_edgar |
| cashflow_financing | {"amount": -30179000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2013-03-31 | sec_edgar |
| cashflow_financing | {"amount": -13859000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2012-06-30 | sec_edgar |
| cashflow_financing | {"amount": -6200000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2012-03-31 | sec_edgar |
| cashflow_financing | {"amount": -33112000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2011-12-31 | sec_edgar |
| cashflow_financing | {"amount": -22811000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2011-09-30 | sec_edgar |
| cashflow_financing | {"amount": -16988000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2011-06-30 | sec_edgar |
| cashflow_financing | {"amount": -8805000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2011-03-31 | sec_edgar |
| cashflow_financing | {"amount": -28037000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2010-12-31 | sec_edgar |
| cashflow_financing | {"amount": -21597000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2010-09-30 | sec_edgar |
| cashflow_financing | {"amount": -15328000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2010-06-30 | sec_edgar |
| cashflow_financing | {"amount": -31358000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2009-12-31 | sec_edgar |
| cashflow_investing | {"amount": -29694000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2014-06-30 | sec_edgar |
| cashflow_investing | {"amount": -14528000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2014-03-31 | sec_edgar |
| cashflow_investing | {"amount": -30646000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2013-06-30 | sec_edgar |
| cashflow_investing | {"amount": -13280000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2013-03-31 | sec_edgar |
| cashflow_investing | {"amount": 23635000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2012-06-30 | sec_edgar |
| cashflow_investing | {"amount": -9158000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2012-03-31 | sec_edgar |
| cashflow_investing | {"amount": -33379000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2011-12-31 | sec_edgar |
| cashflow_investing | {"amount": -25056000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2011-09-30 | sec_edgar |
| cashflow_investing | {"amount": 15263000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2011-06-30 | sec_edgar |
| cashflow_investing | {"amount": -4799000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2011-03-31 | sec_edgar |
| cashflow_investing | {"amount": 60709000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2010-12-31 | sec_edgar |
| cashflow_investing | {"amount": -43460000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2010-09-30 | sec_edgar |
| cashflow_investing | {"amount": -19066000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2010-06-30 | sec_edgar |
| cashflow_investing | {"amount": -39119000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2009-12-31 | sec_edgar |
| cashflow_operating | {"amount": 41406000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2014-06-30 | sec_edgar |
| cashflow_operating | {"amount": 37166000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2014-03-31 | sec_edgar |
| cashflow_operating | {"amount": 37590000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2013-06-30 | sec_edgar |
| cashflow_operating | {"amount": 24064000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2013-03-31 | sec_edgar |
| cashflow_operating | {"amount": 36554000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2012-06-30 | sec_edgar |
| cashflow_operating | {"amount": 14189000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2012-03-31 | sec_edgar |
| cashflow_operating | {"amount": 66792000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2011-12-31 | sec_edgar |
| cashflow_operating | {"amount": 53764000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2011-09-30 | sec_edgar |
| cashflow_operating | {"amount": 32503000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2011-06-30 | sec_edgar |
| cashflow_operating | {"amount": 11699000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2011-03-31 | sec_edgar |
| cashflow_operating | {"amount": 73157000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2010-12-31 | sec_edgar |
| cashflow_operating | {"amount": 66014000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2010-09-30 | sec_edgar |
| cashflow_operating | {"amount": 36775000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2010-06-30 | sec_edgar |
| cashflow_operating | {"amount": 73651000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2009-12-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 100, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2014-06-30 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 100, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2014-03-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 100, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2013-12-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 100, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2013-09-30 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 100, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2013-06-30 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 100, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2013-03-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 100, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2012-12-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 0, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2012-09-30 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 0, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2012-06-30 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 0, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2012-03-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 100, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2011-12-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 0, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2011-09-30 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 0, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2011-06-30 | sec_edgar |
| current_assets | {"amount": 161611000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2014-06-30 | sec_edgar |
| current_assets | {"amount": 64433000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2014-03-31 | sec_edgar |
| current_assets | {"amount": 80595000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2013-12-31 | sec_edgar |
| current_assets | {"amount": 59158000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2013-09-30 | sec_edgar |
| current_assets | {"amount": 60694000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2013-06-30 | sec_edgar |
| current_assets | {"amount": 61207000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2013-03-31 | sec_edgar |
| current_assets | {"amount": 92665000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2012-12-31 | sec_edgar |
| current_assets | {"amount": 71382000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2012-06-30 | sec_edgar |
| current_assets | {"amount": 70202000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2012-03-31 | sec_edgar |
| current_assets | {"amount": 79137000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2011-12-31 | sec_edgar |
| current_assets | {"amount": 82058000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2011-09-30 | sec_edgar |
| current_assets | {"amount": 80342000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2011-06-30 | sec_edgar |
| current_assets | {"amount": 77357000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2010-12-31 | sec_edgar |
| current_liabilities | {"amount": 118202000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2014-06-30 | sec_edgar |
| current_liabilities | {"amount": 145347000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2014-03-31 | sec_edgar |
| current_liabilities | {"amount": 166631000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2013-12-31 | sec_edgar |
| current_liabilities | {"amount": 100494000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2013-09-30 | sec_edgar |
| current_liabilities | {"amount": 75363000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2013-06-30 | sec_edgar |
| current_liabilities | {"amount": 64730000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2013-03-31 | sec_edgar |
| current_liabilities | {"amount": 94903000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2012-12-31 | sec_edgar |
| current_liabilities | {"amount": 48919000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2012-06-30 | sec_edgar |
| current_liabilities | {"amount": 42633000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2012-03-31 | sec_edgar |
| current_liabilities | {"amount": 52649000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2011-12-31 | sec_edgar |
| current_liabilities | {"amount": 50478000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2011-09-30 | sec_edgar |
| current_liabilities | {"amount": 55110000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2011-06-30 | sec_edgar |
| current_liabilities | {"amount": 51062000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2010-12-31 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 100} | 2014-06-30 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 100} | 2014-03-31 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 100} | 2013-12-31 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 100} | 2013-09-30 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 100} | 2013-06-30 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 100} | 2013-03-31 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 100} | 2012-12-31 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 0} | 2012-09-30 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 0} | 2012-06-30 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 0} | 2012-03-31 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 0} | 2011-12-31 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 0} | 2011-09-30 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 0} | 2011-06-30 | sec_edgar |
| dei:EntityNumberOfEmployees | {"value": 498} | 2013-12-31 | sec_edgar |
| dei:EntityPublicFloat | {"amount": 0, "currency": "USD"} | 2014-06-30 | sec_edgar |
| dei:EntityPublicFloat | {"amount": 0, "currency": "USD"} | 2014-03-31 | sec_edgar |
| dei:EntityPublicFloat | {"amount": 0, "currency": "USD"} | 2013-12-31 | sec_edgar |
| dei:EntityPublicFloat | {"amount": 0, "currency": "USD"} | 2013-09-30 | sec_edgar |
| dei:EntityPublicFloat | {"amount": 0, "currency": "USD"} | 2013-06-30 | sec_edgar |
| dei:EntityPublicFloat | {"amount": 0, "currency": "USD"} | 2013-03-31 | sec_edgar |
| dei:EntityPublicFloat | {"amount": 0, "currency": "USD"} | 2012-12-31 | sec_edgar |
| dei:EntityPublicFloat | {"amount": 0, "currency": "USD"} | 2012-09-30 | sec_edgar |
| dei:EntityPublicFloat | {"amount": 0, "currency": "USD"} | 2012-06-30 | sec_edgar |
| dei:EntityPublicFloat | {"amount": 0, "currency": "USD"} | 2012-03-31 | sec_edgar |
| dei:EntityPublicFloat | {"amount": 0, "currency": "USD"} | 2011-12-31 | sec_edgar |
| dei:EntityPublicFloat | {"amount": 0, "currency": "USD"} | 2011-09-30 | sec_edgar |
| dei:EntityPublicFloat | {"amount": 0, "currency": "USD"} | 2011-06-30 | sec_edgar |
| employee_count | {"value": 498, "concept": "dei:EntityNumberOfEmployees"} | 2013-12-31 | sec_edgar |
| goodwill | {"amount": 470962000, "concept": "us-gaap:Goodwill", "currency": "USD"} | 2014-06-30 | sec_edgar |
| goodwill | {"amount": 470962000, "concept": "us-gaap:Goodwill", "currency": "USD"} | 2014-03-31 | sec_edgar |
| goodwill | {"amount": 470962000, "concept": "us-gaap:Goodwill", "currency": "USD"} | 2013-12-31 | sec_edgar |
| goodwill | {"amount": 470962000, "concept": "us-gaap:Goodwill", "currency": "USD"} | 2013-09-30 | sec_edgar |
| goodwill | {"amount": 470962000, "concept": "us-gaap:Goodwill", "currency": "USD"} | 2013-06-30 | sec_edgar |
| goodwill | {"amount": 470962000, "concept": "us-gaap:Goodwill", "currency": "USD"} | 2013-03-31 | sec_edgar |
| goodwill | {"amount": 470962000, "concept": "us-gaap:Goodwill", "currency": "USD"} | 2012-12-31 | sec_edgar |
| goodwill | {"amount": 470962000, "concept": "us-gaap:Goodwill", "currency": "USD"} | 2012-09-23 | sec_edgar |
| goodwill | {"amount": 311766000, "concept": "us-gaap:Goodwill", "currency": "USD"} | 2011-12-31 | sec_edgar |
| income_tax_expense | {"amount": 4806000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2014-06-30 | sec_edgar |
| income_tax_expense | {"amount": 12091000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2014-06-30 | sec_edgar |
| income_tax_expense | {"amount": 7285000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2014-03-31 | sec_edgar |
| income_tax_expense | {"amount": 2045000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2013-06-30 | sec_edgar |
| income_tax_expense | {"amount": 5963000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2013-06-30 | sec_edgar |
| income_tax_expense | {"amount": 3918000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2013-03-31 | sec_edgar |
| income_tax_expense | {"amount": 8211000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2012-06-30 | sec_edgar |
| income_tax_expense | {"amount": 3250000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2012-06-30 | sec_edgar |
| income_tax_expense | {"amount": 4961000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2012-03-31 | sec_edgar |
| income_tax_expense | {"amount": 19495000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2011-12-31 | sec_edgar |
| income_tax_expense | {"amount": 6635000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2011-09-30 | sec_edgar |
| income_tax_expense | {"amount": 15534000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2011-09-30 | sec_edgar |
| income_tax_expense | {"amount": 3726000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2011-06-30 | sec_edgar |
| income_tax_expense | {"amount": 8899000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2011-06-30 | sec_edgar |
| income_tax_expense | {"amount": 5173000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2011-03-31 | sec_edgar |
| income_tax_expense | {"amount": 18526000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2010-12-31 | sec_edgar |
| income_tax_expense | {"amount": 4183000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2010-09-30 | sec_edgar |
| income_tax_expense | {"amount": 12986000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2010-09-30 | sec_edgar |
| income_tax_expense | {"amount": 3857000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2010-06-30 | sec_edgar |
| income_tax_expense | {"amount": 8803000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2010-06-30 | sec_edgar |
| income_tax_expense | {"amount": 19010000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2009-12-31 | sec_edgar |
| industry_sic | {"code": "4922", "scheme": "SIC", "description": "Natural Gas Transmission"} | sec_edgar | |
| interest_expense | {"amount": 8832000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2014-06-30 | sec_edgar |
| interest_expense | {"amount": 16908000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2014-06-30 | sec_edgar |
| interest_expense | {"amount": 8076000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2014-03-31 | sec_edgar |
| interest_expense | {"amount": 7693000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2013-06-30 | sec_edgar |
| interest_expense | {"amount": 15379000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2013-06-30 | sec_edgar |
| interest_expense | {"amount": 7686000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2013-03-31 | sec_edgar |
| interest_expense | {"amount": 16193000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2012-06-30 | sec_edgar |
| interest_expense | {"amount": 8108000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2012-06-30 | sec_edgar |
| interest_expense | {"amount": 8085000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2012-03-31 | sec_edgar |
| interest_expense | {"amount": 32367000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2011-12-31 | sec_edgar |
| interest_expense | {"amount": 8122000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2011-09-30 | sec_edgar |
| interest_expense | {"amount": 24215000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2011-09-30 | sec_edgar |
| interest_expense | {"amount": 8078000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2011-06-30 | sec_edgar |
| interest_expense | {"amount": 16093000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2011-06-30 | sec_edgar |
| interest_expense | {"amount": 8015000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2011-03-31 | sec_edgar |
| interest_expense | {"amount": 32297000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2010-12-31 | sec_edgar |
| interest_expense | {"amount": 8076000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2010-09-30 | sec_edgar |
| interest_expense | {"amount": 24293000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2010-09-30 | sec_edgar |
| interest_expense | {"amount": 8094000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2010-06-30 | sec_edgar |
| interest_expense | {"amount": 16217000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2010-06-30 | sec_edgar |