Organization record
ARBITRON INC
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_payable | {"amount": 14700000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2013-06-30 | sec_edgar |
| accounts_payable | {"amount": 13267000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2013-03-31 | sec_edgar |
| accounts_payable | {"amount": 11407000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2012-12-31 | sec_edgar |
| accounts_payable | {"amount": 10159000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2012-09-30 | sec_edgar |
| accounts_payable | {"amount": 8667000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2012-06-30 | sec_edgar |
| accounts_payable | {"amount": 9254000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2012-03-31 | sec_edgar |
| accounts_payable | {"amount": 10534000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2011-12-31 | sec_edgar |
| accounts_payable | {"amount": 10053000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2011-09-30 | sec_edgar |
| accounts_payable | {"amount": 9808000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2011-06-30 | sec_edgar |
| accounts_payable | {"amount": 10007000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2010-12-31 | sec_edgar |
| accounts_receivable | {"amount": 61919000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2013-06-30 | sec_edgar |
| accounts_receivable | {"amount": 60825000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2013-03-31 | sec_edgar |
| accounts_receivable | {"amount": 59185000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2012-12-31 | sec_edgar |
| accounts_receivable | {"amount": 60509000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2012-09-30 | sec_edgar |
| accounts_receivable | {"amount": 61304000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2012-06-30 | sec_edgar |
| accounts_receivable | {"amount": 51402000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2012-03-31 | sec_edgar |
| accounts_receivable | {"amount": 62886000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2011-12-31 | sec_edgar |
| accounts_receivable | {"amount": 49252000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2011-09-30 | sec_edgar |
| accounts_receivable | {"amount": 58551000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2011-06-30 | sec_edgar |
| accounts_receivable | {"amount": 59808000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2010-12-31 | sec_edgar |
| capex | {"amount": 9790000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2013-06-30 | sec_edgar |
| capex | {"amount": 4096000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2013-03-31 | sec_edgar |
| capex | {"amount": 22672000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2012-12-31 | sec_edgar |
| capex | {"amount": 16900000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2012-09-30 | sec_edgar |
| capex | {"amount": 10627000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2012-06-30 | sec_edgar |
| capex | {"amount": 4936000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2012-03-31 | sec_edgar |
| capex | {"amount": 31967000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2011-12-31 | sec_edgar |
| capex | {"amount": 23035000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2011-09-30 | sec_edgar |
| capex | {"amount": 14182000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2011-06-30 | sec_edgar |
| capex | {"amount": 7204000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2011-03-31 | sec_edgar |
| capex | {"amount": 30425000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2010-12-31 | sec_edgar |
| capex | {"amount": 23174000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2010-09-30 | sec_edgar |
| capex | {"amount": 12859000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2010-06-30 | sec_edgar |
| capex | {"amount": 31681000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2009-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 95065000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2013-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 83735000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2013-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 66469000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2012-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 37051000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2012-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 11073000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2012-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 36185000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2012-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 19715000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2011-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 15985000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2011-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 8215000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2011-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 23557000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2011-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 18925000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2010-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 6305000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2010-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 13326000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2010-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 8217000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2009-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 8658000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2008-12-31 | sec_edgar |
| cashflow_financing | {"amount": 3772000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curr | 2013-06-30 | sec_edgar |
| cashflow_financing | {"amount": -242000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curr | 2013-03-31 | sec_edgar |
| cashflow_financing | {"amount": -41874000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2012-12-31 | sec_edgar |
| cashflow_financing | {"amount": -53239000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2012-09-30 | sec_edgar |
| cashflow_financing | {"amount": -51614000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2012-06-30 | sec_edgar |
| cashflow_financing | {"amount": -18805000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2012-03-31 | sec_edgar |
| cashflow_financing | {"amount": -61248000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2011-12-31 | sec_edgar |
| cashflow_financing | {"amount": -58962000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2011-09-30 | sec_edgar |
| cashflow_financing | {"amount": -50878000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2011-06-30 | sec_edgar |
| cashflow_financing | {"amount": -26169000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2011-03-31 | sec_edgar |
| cashflow_financing | {"amount": -21914000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2010-12-31 | sec_edgar |
| cashflow_financing | {"amount": -17081000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2010-09-30 | sec_edgar |
| cashflow_financing | {"amount": -7989000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2010-06-30 | sec_edgar |
| cashflow_financing | {"amount": -22763000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2009-12-31 | sec_edgar |
| cashflow_investing | {"amount": -9790000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2013-06-30 | sec_edgar |
| cashflow_investing | {"amount": -4096000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2013-03-31 | sec_edgar |
| cashflow_investing | {"amount": -21206000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2012-12-31 | sec_edgar |
| cashflow_investing | {"amount": -15434000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2012-09-30 | sec_edgar |
| cashflow_investing | {"amount": -10627000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2012-06-30 | sec_edgar |
| cashflow_investing | {"amount": -4936000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2012-03-31 | sec_edgar |
| cashflow_investing | {"amount": -42520000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2011-12-31 | sec_edgar |
| cashflow_investing | {"amount": -33588000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2011-09-30 | sec_edgar |
| cashflow_investing | {"amount": -14182000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2011-06-30 | sec_edgar |
| cashflow_investing | {"amount": -7204000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2011-03-31 | sec_edgar |
| cashflow_investing | {"amount": -39205000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2010-12-31 | sec_edgar |
| cashflow_investing | {"amount": -31954000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2010-09-30 | sec_edgar |
| cashflow_investing | {"amount": -21639000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2010-06-30 | sec_edgar |
| cashflow_investing | {"amount": -35081000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2009-12-31 | sec_edgar |
| cashflow_operating | {"amount": 34725000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2013-06-30 | sec_edgar |
| cashflow_operating | {"amount": 21597000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2013-03-31 | sec_edgar |
| cashflow_operating | {"amount": 109864000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu | 2012-12-31 | sec_edgar |
| cashflow_operating | {"amount": 86004000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2012-09-30 | sec_edgar |
| cashflow_operating | {"amount": 53654000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2012-06-30 | sec_edgar |
| cashflow_operating | {"amount": 40171000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2012-03-31 | sec_edgar |
| cashflow_operating | {"amount": 104598000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu | 2011-12-31 | sec_edgar |
| cashflow_operating | {"amount": 89632000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2011-09-30 | sec_edgar |
| cashflow_operating | {"amount": 54351000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2011-06-30 | sec_edgar |
| cashflow_operating | {"amount": 38003000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2011-03-31 | sec_edgar |
| cashflow_operating | {"amount": 71810000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2010-12-31 | sec_edgar |
| cashflow_operating | {"amount": 47114000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2010-09-30 | sec_edgar |
| cashflow_operating | {"amount": 34738000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2010-06-30 | sec_edgar |
| cashflow_operating | {"amount": 57324000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2009-12-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 32338000, "concept": "us-gaap:CommonStockSharesIssued"} | 2013-06-30 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 32338000, "concept": "us-gaap:CommonStockSharesIssued"} | 2013-03-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 32338000, "concept": "us-gaap:CommonStockSharesIssued"} | 2012-12-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 32338000, "concept": "us-gaap:CommonStockSharesIssued"} | 2012-09-30 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 32338000, "concept": "us-gaap:CommonStockSharesIssued"} | 2012-06-30 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 32338000, "concept": "us-gaap:CommonStockSharesIssued"} | 2012-03-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 32338000, "concept": "us-gaap:CommonStockSharesIssued"} | 2011-12-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 32338000, "concept": "us-gaap:CommonStockSharesIssued"} | 2011-09-30 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 32338000, "concept": "us-gaap:CommonStockSharesIssued"} | 2011-06-30 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 32338000, "concept": "us-gaap:CommonStockSharesIssued"} | 2010-12-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 26939794, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2013-07-23 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 26855351, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2013-04-23 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 26689123, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2013-02-14 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 26161789, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2012-10-25 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 26128753, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2012-08-01 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 26454494, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2012-05-02 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 27310588, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2012-02-17 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 27253784, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2011-10-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 27218829, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2011-07-29 | sec_edgar |
| cost_of_revenue | {"amount": 65323000, "concept": "us-gaap:CostOfRevenue", "currency": "USD"} | 2013-06-30 | sec_edgar |
| cost_of_revenue | {"amount": 114924000, "concept": "us-gaap:CostOfRevenue", "currency": "USD"} | 2013-06-30 | sec_edgar |
| cost_of_revenue | {"amount": 49601000, "concept": "us-gaap:CostOfRevenue", "currency": "USD"} | 2013-03-31 | sec_edgar |
| cost_of_revenue | {"amount": 231936000, "concept": "us-gaap:CostOfRevenue", "currency": "USD"} | 2012-12-31 | sec_edgar |
| cost_of_revenue | {"amount": 164493000, "concept": "us-gaap:CostOfRevenue", "currency": "USD"} | 2012-09-30 | sec_edgar |
| cost_of_revenue | {"amount": 53840000, "concept": "us-gaap:CostOfRevenue", "currency": "USD"} | 2012-09-30 | sec_edgar |
| cost_of_revenue | {"amount": 110653000, "concept": "us-gaap:CostOfRevenue", "currency": "USD"} | 2012-06-30 | sec_edgar |
| cost_of_revenue | {"amount": 63205000, "concept": "us-gaap:CostOfRevenue", "currency": "USD"} | 2012-06-30 | sec_edgar |
| cost_of_revenue | {"amount": 47448000, "concept": "us-gaap:CostOfRevenue", "currency": "USD"} | 2012-03-31 | sec_edgar |
| cost_of_revenue | {"amount": 220381000, "concept": "us-gaap:CostOfRevenue", "currency": "USD"} | 2011-12-31 | sec_edgar |
| cost_of_revenue | {"amount": 49388000, "concept": "us-gaap:CostOfRevenue", "currency": "USD"} | 2011-09-30 | sec_edgar |
| cost_of_revenue | {"amount": 156092000, "concept": "us-gaap:CostOfRevenue", "currency": "USD"} | 2011-09-30 | sec_edgar |
| cost_of_revenue | {"amount": 106704000, "concept": "us-gaap:CostOfRevenue", "currency": "USD"} | 2011-06-30 | sec_edgar |
| cost_of_revenue | {"amount": 61025000, "concept": "us-gaap:CostOfRevenue", "currency": "USD"} | 2011-06-30 | sec_edgar |
| cost_of_revenue | {"amount": 45679000, "concept": "us-gaap:CostOfRevenue", "currency": "USD"} | 2011-03-31 | sec_edgar |
| cost_of_revenue | {"amount": 215329000, "concept": "us-gaap:CostOfRevenue", "currency": "USD"} | 2010-12-31 | sec_edgar |
| current_assets | {"amount": 172543000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2013-06-30 | sec_edgar |
| current_assets | {"amount": 156250000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2013-03-31 | sec_edgar |
| current_assets | {"amount": 137683000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2012-12-31 | sec_edgar |
| current_assets | {"amount": 110505000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2012-09-30 | sec_edgar |
| current_assets | {"amount": 87010000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2012-06-30 | sec_edgar |
| current_assets | {"amount": 99512000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2012-03-31 | sec_edgar |
| current_assets | {"amount": 97843000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2011-12-31 | sec_edgar |
| current_assets | {"amount": 78585000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2011-09-30 | sec_edgar |
| current_assets | {"amount": 80212000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2011-06-30 | sec_edgar |
| current_assets | {"amount": 94823000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2010-12-31 | sec_edgar |
| current_liabilities | {"amount": 89837000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2013-06-30 | sec_edgar |
| current_liabilities | {"amount": 79712000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2013-03-31 | sec_edgar |
| current_liabilities | {"amount": 83783000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2012-12-31 | sec_edgar |
| current_liabilities | {"amount": 83276000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2012-09-30 | sec_edgar |
| current_liabilities | {"amount": 83669000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2012-06-30 | sec_edgar |
| current_liabilities | {"amount": 76589000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2012-03-31 | sec_edgar |
| current_liabilities | {"amount": 79890000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2011-12-31 | sec_edgar |
| current_liabilities | {"amount": 75402000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2011-09-30 | sec_edgar |
| current_liabilities | {"amount": 83427000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2011-06-30 | sec_edgar |
| current_liabilities | {"amount": 127156000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2010-12-31 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 26939794} | 2013-07-23 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 26855351} | 2013-04-23 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 26689123} | 2013-02-14 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 26161789} | 2012-10-25 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 26128753} | 2012-08-01 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 26454494} | 2012-05-02 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 27310588} | 2012-02-17 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 27253784} | 2011-10-31 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 27218829} | 2011-07-29 | sec_edgar |
| dei:EntityPublicFloat | {"amount": 906721970, "currency": "USD"} | 2012-06-30 | sec_edgar |
| dei:EntityPublicFloat | {"amount": 1114729697.86, "currency": "USD"} | 2011-06-30 | sec_edgar |
| dei:EntityPublicFloat | {"amount": 678332961, "currency": "USD"} | 2010-06-30 | sec_edgar |
| depreciation_amortization | {"amount": 28542000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency" | 2011-12-31 | sec_edgar |
| depreciation_amortization | {"amount": 20973000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency" | 2011-09-30 | sec_edgar |
| depreciation_amortization | {"amount": 13983000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency" | 2011-06-30 | sec_edgar |
| depreciation_amortization | {"amount": 26686000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency" | 2010-12-31 | sec_edgar |
| depreciation_amortization | {"amount": 19787000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency" | 2010-09-30 | sec_edgar |
| depreciation_amortization | {"amount": 12931000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency" | 2010-06-30 | sec_edgar |
| depreciation_amortization | {"amount": 23228000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency" | 2009-12-31 | sec_edgar |
| dividend_per_share | {"per": "shares", "amount": 0.1, "concept": "us-gaap:CommonStockDividendsPerShareDeclared" | 2013-06-30 | sec_edgar |
| dividend_per_share | {"per": "shares", "amount": 0.2, "concept": "us-gaap:CommonStockDividendsPerShareDeclared" | 2013-06-30 | sec_edgar |
| dividend_per_share | {"per": "shares", "amount": 0.1, "concept": "us-gaap:CommonStockDividendsPerShareDeclared" | 2013-03-31 | sec_edgar |
| dividend_per_share | {"per": "shares", "amount": 0.1, "concept": "us-gaap:CommonStockDividendsPerShareDeclared" | 2012-12-31 | sec_edgar |
| dividend_per_share | {"per": "shares", "amount": 0.4, "concept": "us-gaap:CommonStockDividendsPerShareDeclared" | 2012-12-31 | sec_edgar |
| dividend_per_share | {"per": "shares", "amount": 0.1, "concept": "us-gaap:CommonStockDividendsPerShareDeclared" | 2012-09-30 | sec_edgar |
| dividend_per_share | {"per": "shares", "amount": 0.3, "concept": "us-gaap:CommonStockDividendsPerShareDeclared" | 2012-09-30 | sec_edgar |
| dividend_per_share | {"per": "shares", "amount": 0.1, "concept": "us-gaap:CommonStockDividendsPerShareDeclared" | 2012-06-30 | sec_edgar |
| dividend_per_share | {"per": "shares", "amount": 0.2, "concept": "us-gaap:CommonStockDividendsPerShareDeclared" | 2012-06-30 | sec_edgar |
| dividend_per_share | {"per": "shares", "amount": 0.1, "concept": "us-gaap:CommonStockDividendsPerShareDeclared" | 2012-03-31 | sec_edgar |
| dividend_per_share | {"per": "shares", "amount": 0.4, "concept": "us-gaap:CommonStockDividendsPerShareDeclared" | 2011-12-31 | sec_edgar |
| dividend_per_share | {"per": "shares", "amount": 0.1, "concept": "us-gaap:CommonStockDividendsPerShareDeclared" | 2011-12-31 | sec_edgar |
| dividend_per_share | {"per": "shares", "amount": 0.3, "concept": "us-gaap:CommonStockDividendsPerShareDeclared" | 2011-09-30 | sec_edgar |
| dividend_per_share | {"per": "shares", "amount": 0.1, "concept": "us-gaap:CommonStockDividendsPerShareDeclared" | 2011-09-30 | sec_edgar |
| dividend_per_share | {"per": "shares", "amount": 0.2, "concept": "us-gaap:CommonStockDividendsPerShareDeclared" | 2011-06-30 | sec_edgar |
| dividend_per_share | {"per": "shares", "amount": 0.1, "concept": "us-gaap:CommonStockDividendsPerShareDeclared" | 2011-06-30 | sec_edgar |
| dividend_per_share | {"per": "shares", "amount": 0.1, "concept": "us-gaap:CommonStockDividendsPerShareDeclared" | 2011-03-31 | sec_edgar |
| dividend_per_share | {"per": "shares", "amount": 0.1, "concept": "us-gaap:CommonStockDividendsPerShareDeclared" | 2010-12-31 | sec_edgar |
| dividend_per_share | {"per": "shares", "amount": 0.4, "concept": "us-gaap:CommonStockDividendsPerShareDeclared" | 2010-12-31 | sec_edgar |
| dividend_per_share | {"per": "shares", "amount": 0.1, "concept": "us-gaap:CommonStockDividendsPerShareDeclared" | 2010-09-30 | sec_edgar |
| dividend_per_share | {"per": "shares", "amount": 0.3, "concept": "us-gaap:CommonStockDividendsPerShareDeclared" | 2010-09-30 | sec_edgar |
| dividend_per_share | {"per": "shares", "amount": 0.2, "concept": "us-gaap:CommonStockDividendsPerShareDeclared" | 2010-06-30 | sec_edgar |
| dividend_per_share | {"per": "shares", "amount": 0.1, "concept": "us-gaap:CommonStockDividendsPerShareDeclared" | 2010-06-30 | sec_edgar |
| dividend_per_share | {"per": "shares", "amount": 0.1, "concept": "us-gaap:CommonStockDividendsPerShareDeclared" | 2010-03-31 | sec_edgar |
| dividend_per_share | {"per": "shares", "amount": 0.4, "concept": "us-gaap:CommonStockDividendsPerShareDeclared" | 2009-12-31 | sec_edgar |
| dividends_paid | {"amount": 2676000, "concept": "us-gaap:PaymentsOfDividendsCommonStock", "currency": "USD" | 2013-06-30 | sec_edgar |
| dividends_paid | {"amount": 2676000, "concept": "us-gaap:PaymentsOfDividendsCommonStock", "currency": "USD" | 2013-03-31 | sec_edgar |
| dividends_paid | {"amount": 13296000, "concept": "us-gaap:PaymentsOfDividendsCommonStock", "currency": "USD | 2012-12-31 | sec_edgar |
| dividends_paid | {"amount": 8064000, "concept": "us-gaap:PaymentsOfDividendsCommonStock", "currency": "USD" | 2012-09-30 | sec_edgar |
| dividends_paid | {"amount": 5454000, "concept": "us-gaap:PaymentsOfDividendsCommonStock", "currency": "USD" | 2012-06-30 | sec_edgar |
| dividends_paid | {"amount": 2727000, "concept": "us-gaap:PaymentsOfDividendsCommonStock", "currency": "USD" | 2012-03-31 | sec_edgar |
| dividends_paid | {"amount": 10849000, "concept": "us-gaap:PaymentsOfDividendsCommonStock", "currency": "USD | 2011-12-31 | sec_edgar |
| dividends_paid | {"amount": 8126000, "concept": "us-gaap:PaymentsOfDividendsCommonStock", "currency": "USD" | 2011-09-30 | sec_edgar |
| dividends_paid | {"amount": 5408000, "concept": "us-gaap:PaymentsOfDividendsCommonStock", "currency": "USD" | 2011-06-30 | sec_edgar |
| dividends_paid | {"amount": 2697000, "concept": "us-gaap:PaymentsOfDividendsCommonStock", "currency": "USD" | 2011-03-31 | sec_edgar |