Organization record
MICHAEL BAKER 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_payable | {"amount": 40979000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2013-06-30 | sec_edgar |
| accounts_payable | {"amount": 40176000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2013-03-31 | sec_edgar |
| accounts_payable | {"amount": 41386000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2012-12-31 | sec_edgar |
| accounts_payable | {"amount": 39517000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2012-09-30 | sec_edgar |
| accounts_payable | {"amount": 44833000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2012-07-01 | sec_edgar |
| accounts_payable | {"amount": 43331000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2012-04-01 | sec_edgar |
| accounts_payable | {"amount": 44434000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2011-12-31 | sec_edgar |
| accounts_payable | {"amount": 32859000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2011-09-30 | sec_edgar |
| accounts_payable | {"amount": 36157000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2011-06-30 | sec_edgar |
| accounts_payable | {"amount": 38918000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2010-12-31 | sec_edgar |
| capex | {"amount": 1783000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2013-06-30 | sec_edgar |
| capex | {"amount": 823000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2013-03-31 | sec_edgar |
| capex | {"amount": 3727000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2012-12-31 | sec_edgar |
| capex | {"amount": 2030000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2012-09-30 | sec_edgar |
| capex | {"amount": 1427000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2012-07-01 | sec_edgar |
| capex | {"amount": 1427000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2012-07-01 | sec_edgar |
| capex | {"amount": 668000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2012-04-01 | sec_edgar |
| capex | {"amount": 3197000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2011-12-31 | sec_edgar |
| capex | {"amount": 2851000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2011-09-30 | sec_edgar |
| capex | {"amount": 2325000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2011-06-30 | sec_edgar |
| capex | {"amount": 1808000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2011-03-31 | sec_edgar |
| capex | {"amount": 6213000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2010-12-31 | sec_edgar |
| capex | {"amount": 4360000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2010-09-30 | sec_edgar |
| capex | {"amount": 3581000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2010-06-30 | sec_edgar |
| capex | {"amount": 5421000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2009-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 70046000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2013-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 68112000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2013-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 77367000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2012-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 67055000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2012-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 63053000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2012-07-01 | sec_edgar |
| cash_and_equivalents | {"amount": 55732000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2012-04-01 | sec_edgar |
| cash_and_equivalents | {"amount": 36050000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2012-01-01 | sec_edgar |
| cash_and_equivalents | {"amount": 36050000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2011-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 81945000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2011-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 74947000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2011-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 80091000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2011-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 77443000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2010-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 75619000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2010-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 52390000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2010-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 105259000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2009-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 49050000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2008-12-31 | sec_edgar |
| cashflow_financing | {"amount": -1447000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2013-06-30 | sec_edgar |
| cashflow_financing | {"amount": -18000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curre | 2013-03-31 | sec_edgar |
| cashflow_financing | {"amount": -1409000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2012-12-31 | sec_edgar |
| cashflow_financing | {"amount": -11000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curre | 2012-09-30 | sec_edgar |
| cashflow_financing | {"amount": -71000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curre | 2012-07-01 | sec_edgar |
| cashflow_financing | {"amount": -71000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curre | 2012-07-01 | sec_edgar |
| cashflow_financing | {"amount": 51000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curren | 2012-04-01 | sec_edgar |
| cashflow_financing | {"amount": 63000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curren | 2011-12-31 | sec_edgar |
| cashflow_financing | {"amount": -255000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curr | 2011-09-30 | sec_edgar |
| cashflow_financing | {"amount": -4000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curren | 2011-06-30 | sec_edgar |
| cashflow_financing | {"amount": 5000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "currenc | 2011-03-31 | sec_edgar |
| cashflow_financing | {"amount": -1084000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2010-12-31 | sec_edgar |
| cashflow_financing | {"amount": -368000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curr | 2010-09-30 | sec_edgar |
| cashflow_financing | {"amount": -121000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curr | 2010-06-30 | sec_edgar |
| cashflow_financing | {"amount": 446000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curre | 2009-12-31 | sec_edgar |
| cashflow_investing | {"amount": -14171000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2013-06-30 | sec_edgar |
| cashflow_investing | {"amount": -11920000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2013-03-31 | sec_edgar |
| cashflow_investing | {"amount": 7699000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curr | 2012-12-31 | sec_edgar |
| cashflow_investing | {"amount": 9329000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curr | 2012-09-30 | sec_edgar |
| cashflow_investing | {"amount": 9921000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curr | 2012-07-01 | sec_edgar |
| cashflow_investing | {"amount": 9921000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curr | 2012-07-01 | sec_edgar |
| cashflow_investing | {"amount": 6288000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curr | 2012-04-01 | sec_edgar |
| cashflow_investing | {"amount": -57172000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2011-12-31 | sec_edgar |
| cashflow_investing | {"amount": -10723000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2011-09-30 | sec_edgar |
| cashflow_investing | {"amount": -9674000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2011-06-30 | sec_edgar |
| cashflow_investing | {"amount": -4393000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2011-03-31 | sec_edgar |
| cashflow_investing | {"amount": -53805000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2010-12-31 | sec_edgar |
| cashflow_investing | {"amount": -52845000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2010-09-30 | sec_edgar |
| cashflow_investing | {"amount": -56959000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2010-06-30 | sec_edgar |
| cashflow_investing | {"amount": 19398000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2009-12-31 | sec_edgar |
| cashflow_operating | {"amount": 8297000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curr | 2013-06-30 | sec_edgar |
| cashflow_operating | {"amount": 2683000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curr | 2013-03-31 | sec_edgar |
| cashflow_operating | {"amount": 35027000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2012-12-31 | sec_edgar |
| cashflow_operating | {"amount": 21687000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2012-09-30 | sec_edgar |
| cashflow_operating | {"amount": 17153000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2012-07-01 | sec_edgar |
| cashflow_operating | {"amount": 17153000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2012-07-01 | sec_edgar |
| cashflow_operating | {"amount": 13343000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2012-04-01 | sec_edgar |
| cashflow_operating | {"amount": 15716000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2011-12-31 | sec_edgar |
| cashflow_operating | {"amount": 15480000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2011-09-30 | sec_edgar |
| cashflow_operating | {"amount": 7182000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curr | 2011-06-30 | sec_edgar |
| cashflow_operating | {"amount": 7036000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curr | 2011-03-31 | sec_edgar |
| cashflow_operating | {"amount": 27073000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2010-12-31 | sec_edgar |
| cashflow_operating | {"amount": 23573000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2010-09-30 | sec_edgar |
| cashflow_operating | {"amount": 4211000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curr | 2010-06-30 | sec_edgar |
| cashflow_operating | {"amount": 36365000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2009-12-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 10199521, "concept": "us-gaap:CommonStockSharesIssued"} | 2013-06-30 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 10184488, "concept": "us-gaap:CommonStockSharesIssued"} | 2013-03-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 10171664, "concept": "us-gaap:CommonStockSharesIssued"} | 2012-12-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 10159498, "concept": "us-gaap:CommonStockSharesIssued"} | 2012-09-30 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 10148296, "concept": "us-gaap:CommonStockSharesIssued"} | 2012-07-01 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 10077408, "concept": "us-gaap:CommonStockSharesIssued"} | 2012-04-01 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 10066789, "concept": "us-gaap:CommonStockSharesIssued"} | 2011-12-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 9838911, "concept": "us-gaap:CommonStockSharesIssued"} | 2011-09-30 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 9822940, "concept": "us-gaap:CommonStockSharesIssued"} | 2011-06-30 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 9718351, "concept": "us-gaap:CommonStockSharesIssued"} | 2010-12-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 9684631, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2013-07-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 9667652, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2013-04-30 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 9656293, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2013-02-28 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 9646680, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2012-10-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 9635478, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2012-07-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 9614685, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2012-04-30 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 9565312, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2012-02-29 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 9542937, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2011-10-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 9323755, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2011-07-31 | sec_edgar |
| cost_of_revenue | {"amount": 120820000, "concept": "us-gaap:CostOfGoodsAndServicesSold", "currency": "USD"} | 2013-06-30 | sec_edgar |
| cost_of_revenue | {"amount": 237989000, "concept": "us-gaap:CostOfGoodsAndServicesSold", "currency": "USD"} | 2013-06-30 | sec_edgar |
| cost_of_revenue | {"amount": 117169000, "concept": "us-gaap:CostOfGoodsAndServicesSold", "currency": "USD"} | 2013-03-31 | sec_edgar |
| cost_of_revenue | {"amount": 501431000, "concept": "us-gaap:CostOfGoodsAndServicesSold", "currency": "USD"} | 2012-12-31 | sec_edgar |
| cost_of_revenue | {"amount": 122463000, "concept": "us-gaap:CostOfGoodsAndServicesSold", "currency": "USD"} | 2012-09-30 | sec_edgar |
| cost_of_revenue | {"amount": 380094000, "concept": "us-gaap:CostOfGoodsAndServicesSold", "currency": "USD"} | 2012-09-30 | sec_edgar |
| cost_of_revenue | {"amount": 257631000, "concept": "us-gaap:CostOfGoodsAndServicesSold", "currency": "USD"} | 2012-07-01 | sec_edgar |
| cost_of_revenue | {"amount": 257631000, "concept": "us-gaap:CostOfGoodsAndServicesSold", "currency": "USD"} | 2012-07-01 | sec_edgar |
| cost_of_revenue | {"amount": 129789000, "concept": "us-gaap:CostOfGoodsAndServicesSold", "currency": "USD"} | 2012-07-01 | sec_edgar |
| cost_of_revenue | {"amount": 127842000, "concept": "us-gaap:CostOfGoodsAndServicesSold", "currency": "USD"} | 2012-04-01 | sec_edgar |
| cost_of_revenue | {"amount": 436170000, "concept": "us-gaap:CostOfGoodsAndServicesSold", "currency": "USD"} | 2011-12-31 | sec_edgar |
| cost_of_revenue | {"amount": 306591000, "concept": "us-gaap:CostOfGoodsAndServicesSold", "currency": "USD"} | 2011-09-30 | sec_edgar |
| cost_of_revenue | {"amount": 104022000, "concept": "us-gaap:CostOfGoodsAndServicesSold", "currency": "USD"} | 2011-09-30 | sec_edgar |
| cost_of_revenue | {"amount": 102665000, "concept": "us-gaap:CostOfGoodsAndServicesSold", "currency": "USD"} | 2011-06-30 | sec_edgar |
| cost_of_revenue | {"amount": 202569000, "concept": "us-gaap:CostOfGoodsAndServicesSold", "currency": "USD"} | 2011-06-30 | sec_edgar |
| cost_of_revenue | {"amount": 99904000, "concept": "us-gaap:CostOfGoodsAndServicesSold", "currency": "USD"} | 2011-03-31 | sec_edgar |
| cost_of_revenue | {"amount": 400296000, "concept": "us-gaap:CostOfGoodsAndServicesSold", "currency": "USD"} | 2010-12-31 | sec_edgar |
| cost_of_revenue | {"amount": 298610000, "concept": "us-gaap:CostOfGoodsAndServicesSold", "currency": "USD"} | 2010-09-30 | sec_edgar |
| cost_of_revenue | {"amount": 105311000, "concept": "us-gaap:CostOfGoodsAndServicesSold", "currency": "USD"} | 2010-09-30 | sec_edgar |
| cost_of_revenue | {"amount": 193299000, "concept": "us-gaap:CostOfGoodsAndServicesSold", "currency": "USD"} | 2010-06-30 | sec_edgar |
| cost_of_revenue | {"amount": 103158000, "concept": "us-gaap:CostOfGoodsAndServicesSold", "currency": "USD"} | 2010-06-30 | sec_edgar |
| cost_of_revenue | {"amount": 357197000, "concept": "us-gaap:CostOfGoodsAndServicesSold", "currency": "USD"} | 2009-12-31 | sec_edgar |
| current_assets | {"amount": 261785000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2013-06-30 | sec_edgar |
| current_assets | {"amount": 258097000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2013-03-31 | sec_edgar |
| current_assets | {"amount": 252523000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2012-12-31 | sec_edgar |
| current_assets | {"amount": 260115000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2012-09-30 | sec_edgar |
| current_assets | {"amount": 253131000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2012-07-01 | sec_edgar |
| current_assets | {"amount": 250020000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2012-04-01 | sec_edgar |
| current_assets | {"amount": 246277000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2011-12-31 | sec_edgar |
| current_assets | {"amount": 244385000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2011-09-30 | sec_edgar |
| current_assets | {"amount": 242164000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2011-06-30 | sec_edgar |
| current_assets | {"amount": 230203000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2010-12-31 | sec_edgar |
| current_liabilities | {"amount": 123381000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2013-06-30 | sec_edgar |
| current_liabilities | {"amount": 126236000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2013-03-31 | sec_edgar |
| current_liabilities | {"amount": 125544000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2012-12-31 | sec_edgar |
| current_liabilities | {"amount": 127246000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2012-09-30 | sec_edgar |
| current_liabilities | {"amount": 126292000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2012-07-01 | sec_edgar |
| current_liabilities | {"amount": 130165000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2012-04-01 | sec_edgar |
| current_liabilities | {"amount": 132541000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2011-12-31 | sec_edgar |
| current_liabilities | {"amount": 102521000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2011-09-30 | sec_edgar |
| current_liabilities | {"amount": 109808000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2011-06-30 | sec_edgar |
| current_liabilities | {"amount": 106229000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2010-12-31 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 9684631} | 2013-07-31 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 9667652} | 2013-04-30 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 9656293} | 2013-02-28 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 9646680} | 2012-10-31 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 9635478} | 2012-07-31 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 9614685} | 2012-04-30 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 9565312} | 2012-02-29 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 9542937} | 2011-10-31 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 9323755} | 2011-07-31 | sec_edgar |
| dei:EntityPublicFloat | {"amount": 220100000, "currency": "USD"} | 2012-07-01 | sec_edgar |
| dei:EntityPublicFloat | {"amount": 171400000, "currency": "USD"} | 2011-06-30 | sec_edgar |
| dei:EntityPublicFloat | {"amount": 285400000, "currency": "USD"} | 2010-06-30 | sec_edgar |
| depreciation_amortization | {"amount": 6321000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency": | 2013-06-30 | sec_edgar |
| depreciation_amortization | {"amount": 3226000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency": | 2013-03-31 | sec_edgar |
| depreciation_amortization | {"amount": 17246000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency" | 2012-12-31 | sec_edgar |
| depreciation_amortization | {"amount": 13091000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency" | 2012-09-30 | sec_edgar |
| depreciation_amortization | {"amount": 8934000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency": | 2012-07-01 | sec_edgar |
| depreciation_amortization | {"amount": 8934000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency": | 2012-07-01 | sec_edgar |
| depreciation_amortization | {"amount": 4639000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency": | 2012-04-01 | sec_edgar |
| depreciation_amortization | {"amount": 14184000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency" | 2011-12-31 | sec_edgar |
| depreciation_amortization | {"amount": 9401000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency": | 2011-09-30 | sec_edgar |
| depreciation_amortization | {"amount": 6191000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency": | 2011-06-30 | sec_edgar |
| depreciation_amortization | {"amount": 3118000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency": | 2011-03-31 | sec_edgar |
| depreciation_amortization | {"amount": 9501000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency": | 2010-12-31 | sec_edgar |
| depreciation_amortization | {"amount": 6577000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency": | 2010-09-30 | sec_edgar |
| depreciation_amortization | {"amount": 3461000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency": | 2010-06-30 | sec_edgar |
| depreciation_amortization | {"amount": 5592000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency": | 2009-12-31 | sec_edgar |
| dividend_per_share | {"per": "shares", "amount": 0.34, "concept": "us-gaap:CommonStockDividendsPerShareDeclared | 2013-06-30 | sec_edgar |
| dividend_per_share | {"per": "shares", "amount": 0.18, "concept": "us-gaap:CommonStockDividendsPerShareDeclared | 2013-06-30 | sec_edgar |
| dividend_per_share | {"per": "shares", "amount": 0.16, "concept": "us-gaap:CommonStockDividendsPerShareDeclared | 2013-03-31 | sec_edgar |
| dividend_per_share | {"per": "shares", "amount": 0.14, "concept": "us-gaap:CommonStockDividendsPerShareDeclared | 2012-12-31 | sec_edgar |
| dividend_per_share | {"per": "shares", "amount": 0, "concept": "us-gaap:CommonStockDividendsPerShareDeclared", | 2012-04-01 | sec_edgar |
| dividends_paid | {"amount": 1545000, "concept": "us-gaap:PaymentsOfDividendsCommonStock", "currency": "USD" | 2013-06-30 | sec_edgar |
| dividends_paid | {"amount": 1351000, "concept": "us-gaap:PaymentsOfDividendsCommonStock", "currency": "USD" | 2012-12-31 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 0.5, "concept": "us-gaap:EarningsPerShareBasic", "currency": " | 2013-06-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 1.08, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2013-06-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 0.58, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2013-03-31 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 0.3, "concept": "us-gaap:EarningsPerShareBasic", "currency": " | 2012-12-31 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 0.11, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2012-09-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 0.55, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2012-09-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 0.44, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2012-07-01 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 0.44, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2012-07-01 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 0.26, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2012-07-01 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 0.18, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2012-04-01 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 1.86, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2011-12-31 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 1.39, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2011-09-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 0.77, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2011-09-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 0.52, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2011-06-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 0.62, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2011-06-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 0.09, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2011-03-31 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 1.36, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2010-12-31 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 1.54, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2010-09-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 0.49, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2010-09-30 | sec_edgar |