Organization record
ATHEROS COMMUNICATIONS 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": 42412000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2011-03-31 | sec_edgar |
| accounts_payable | {"amount": 51768000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2010-12-31 | sec_edgar |
| accounts_payable | {"amount": 66752000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2010-09-30 | sec_edgar |
| accounts_payable | {"amount": 70323000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2010-06-30 | sec_edgar |
| accounts_payable | {"amount": 59866000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2009-12-31 | sec_edgar |
| accounts_receivable | {"amount": 108036000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2011-03-31 | sec_edgar |
| accounts_receivable | {"amount": 103145000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2010-12-31 | sec_edgar |
| accounts_receivable | {"amount": 109640000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2010-09-30 | sec_edgar |
| accounts_receivable | {"amount": 92466000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2010-06-30 | sec_edgar |
| accounts_receivable | {"amount": 58012000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2009-12-31 | sec_edgar |
| capex | {"amount": 2324000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2011-03-31 | sec_edgar |
| capex | {"amount": 14010000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2010-12-31 | sec_edgar |
| capex | {"amount": 10857000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2010-09-30 | sec_edgar |
| capex | {"amount": 3906000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2010-06-30 | sec_edgar |
| capex | {"amount": 610000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2010-03-31 | sec_edgar |
| capex | {"amount": 3869000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2009-12-31 | sec_edgar |
| capex | {"amount": 2192000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2009-09-30 | sec_edgar |
| capex | {"amount": 959000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2009-06-30 | sec_edgar |
| capex | {"amount": 7389000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2008-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 153461000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2011-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 130721000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2010-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 109770000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2010-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 175333000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2010-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 128927000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2010-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 148376000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2009-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 122687000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2009-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 103005000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2009-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 114530000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2008-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 174256000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2007-12-31 | sec_edgar |
| cashflow_financing | {"amount": 16805000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2011-03-31 | sec_edgar |
| cashflow_financing | {"amount": 53000000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2010-12-31 | sec_edgar |
| cashflow_financing | {"amount": 43226000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2010-09-30 | sec_edgar |
| cashflow_financing | {"amount": 40068000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2010-06-30 | sec_edgar |
| cashflow_financing | {"amount": 23095000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2010-03-31 | sec_edgar |
| cashflow_financing | {"amount": 23245000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2009-12-31 | sec_edgar |
| cashflow_financing | {"amount": 10331000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2009-09-30 | sec_edgar |
| cashflow_financing | {"amount": 6452000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curr | 2009-06-30 | sec_edgar |
| cashflow_financing | {"amount": 20106000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2008-12-31 | sec_edgar |
| cashflow_investing | {"amount": -20374000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2011-03-31 | sec_edgar |
| cashflow_investing | {"amount": -216809000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "c | 2010-12-31 | sec_edgar |
| cashflow_investing | {"amount": -195095000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "c | 2010-09-30 | sec_edgar |
| cashflow_investing | {"amount": -79720000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2010-06-30 | sec_edgar |
| cashflow_investing | {"amount": -60890000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2010-03-31 | sec_edgar |
| cashflow_investing | {"amount": -132230000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "c | 2009-12-31 | sec_edgar |
| cashflow_investing | {"amount": -81672000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2009-09-30 | sec_edgar |
| cashflow_investing | {"amount": -58432000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2009-06-30 | sec_edgar |
| cashflow_investing | {"amount": -143263000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "c | 2008-12-31 | sec_edgar |
| cashflow_operating | {"amount": 26309000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2011-03-31 | sec_edgar |
| cashflow_operating | {"amount": 146154000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu | 2010-12-31 | sec_edgar |
| cashflow_operating | {"amount": 113263000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu | 2010-09-30 | sec_edgar |
| cashflow_operating | {"amount": 66609000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2010-06-30 | sec_edgar |
| cashflow_operating | {"amount": 18346000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2010-03-31 | sec_edgar |
| cashflow_operating | {"amount": 142831000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu | 2009-12-31 | sec_edgar |
| cashflow_operating | {"amount": 79498000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2009-09-30 | sec_edgar |
| cashflow_operating | {"amount": 40455000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2009-06-30 | sec_edgar |
| cashflow_operating | {"amount": 63431000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2008-12-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 72383000, "concept": "us-gaap:CommonStockSharesIssued"} | 2010-12-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 67787000, "concept": "us-gaap:CommonStockSharesIssued"} | 2009-12-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 73835193, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2011-04-25 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 72914997, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2011-02-07 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 72383000, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2010-12-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 71583392, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2010-10-20 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 70830199, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2010-07-14 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 67787000, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2009-12-31 | sec_edgar |
| current_assets | {"amount": 783583000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2011-03-31 | sec_edgar |
| current_assets | {"amount": 734770000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2010-12-31 | sec_edgar |
| current_assets | {"amount": 707418000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2010-09-30 | sec_edgar |
| current_assets | {"amount": 716810000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2010-06-30 | sec_edgar |
| current_assets | {"amount": 557628000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2009-12-31 | sec_edgar |
| current_liabilities | {"amount": 151803000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2011-03-31 | sec_edgar |
| current_liabilities | {"amount": 170233000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2010-12-31 | sec_edgar |
| current_liabilities | {"amount": 185436000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2010-09-30 | sec_edgar |
| current_liabilities | {"amount": 159125000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2010-06-30 | sec_edgar |
| current_liabilities | {"amount": 141068000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2009-12-31 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 73835193} | 2011-04-25 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 72914997} | 2011-02-07 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 71583392} | 2010-10-20 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 70830199} | 2010-07-14 | sec_edgar |
| dei:EntityPublicFloat | {"amount": 1432294000, "currency": "USD"} | 2010-06-30 | sec_edgar |
| depreciation_amortization | {"amount": 2379000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency": | 2011-03-31 | sec_edgar |
| depreciation_amortization | {"amount": 8702000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency": | 2010-12-31 | sec_edgar |
| depreciation_amortization | {"amount": 6328000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency": | 2010-09-30 | sec_edgar |
| depreciation_amortization | {"amount": 4056000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency": | 2010-06-30 | sec_edgar |
| depreciation_amortization | {"amount": 1787000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency": | 2010-03-31 | sec_edgar |
| depreciation_amortization | {"amount": 6892000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency": | 2009-12-31 | sec_edgar |
| depreciation_amortization | {"amount": 5264000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency": | 2009-09-30 | sec_edgar |
| depreciation_amortization | {"amount": 3610000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency": | 2009-06-30 | sec_edgar |
| depreciation_amortization | {"amount": 6543000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency": | 2008-12-31 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 0.29, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2011-03-31 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 0.77, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2010-12-31 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 1.11, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2010-09-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 0.4, "concept": "us-gaap:EarningsPerShareBasic", "currency": " | 2010-09-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 0.71, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2010-06-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 0.42, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2010-06-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 0.29, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2010-03-31 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 0.75, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2009-12-31 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 0.5, "concept": "us-gaap:EarningsPerShareBasic", "currency": " | 2009-09-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 0.62, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2009-09-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 0, "concept": "us-gaap:EarningsPerShareBasic", "currency": "US | 2009-06-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": -0.13, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2009-06-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 0.32, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2008-12-31 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 0.28, "concept": "us-gaap:EarningsPerShareDiluted", "currency" | 2011-03-31 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 0.75, "concept": "us-gaap:EarningsPerShareDiluted", "currency" | 2010-12-31 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 0.39, "concept": "us-gaap:EarningsPerShareDiluted", "currency" | 2010-09-30 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 1.07, "concept": "us-gaap:EarningsPerShareDiluted", "currency" | 2010-09-30 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 0.68, "concept": "us-gaap:EarningsPerShareDiluted", "currency" | 2010-06-30 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 0.41, "concept": "us-gaap:EarningsPerShareDiluted", "currency" | 2010-06-30 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 0.27, "concept": "us-gaap:EarningsPerShareDiluted", "currency" | 2010-03-31 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 0.73, "concept": "us-gaap:EarningsPerShareDiluted", "currency" | 2009-12-31 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 0.6, "concept": "us-gaap:EarningsPerShareDiluted", "currency": | 2009-09-30 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 0.49, "concept": "us-gaap:EarningsPerShareDiluted", "currency" | 2009-09-30 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": -0.13, "concept": "us-gaap:EarningsPerShareDiluted", "currency | 2009-06-30 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 0, "concept": "us-gaap:EarningsPerShareDiluted", "currency": " | 2009-06-30 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 0.3, "concept": "us-gaap:EarningsPerShareDiluted", "currency": | 2008-12-31 | sec_edgar |
| goodwill | {"amount": 221961000, "concept": "us-gaap:Goodwill", "currency": "USD"} | 2011-03-31 | sec_edgar |
| goodwill | {"amount": 221961000, "concept": "us-gaap:Goodwill", "currency": "USD"} | 2010-12-31 | sec_edgar |
| goodwill | {"amount": 221961000, "concept": "us-gaap:Goodwill", "currency": "USD"} | 2010-09-30 | sec_edgar |
| goodwill | {"amount": 188877000, "concept": "us-gaap:Goodwill", "currency": "USD"} | 2010-06-30 | sec_edgar |
| goodwill | {"amount": 188877000, "concept": "us-gaap:Goodwill", "currency": "USD"} | 2009-12-31 | sec_edgar |
| income_tax_expense | {"amount": 861000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2011-03-31 | sec_edgar |
| income_tax_expense | {"amount": 11599000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2010-12-31 | sec_edgar |
| income_tax_expense | {"amount": 6830000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2010-09-30 | sec_edgar |
| income_tax_expense | {"amount": 2439000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2010-09-30 | sec_edgar |
| income_tax_expense | {"amount": 4391000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2010-06-30 | sec_edgar |
| income_tax_expense | {"amount": 2111000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2010-06-30 | sec_edgar |
| income_tax_expense | {"amount": 2280000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2010-03-31 | sec_edgar |
| income_tax_expense | {"amount": -20243000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2009-12-31 | sec_edgar |
| income_tax_expense | {"amount": -21731000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2009-09-30 | sec_edgar |
| income_tax_expense | {"amount": -22526000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2009-09-30 | sec_edgar |
| income_tax_expense | {"amount": 284000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2009-06-30 | sec_edgar |
| income_tax_expense | {"amount": -795000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2009-06-30 | sec_edgar |
| income_tax_expense | {"amount": 422000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2008-12-31 | sec_edgar |
| industry_sic | {"code": "3674", "scheme": "SIC", "description": "Semiconductors & Related Devices"} | sec_edgar | |
| intangible_assets | {"amount": 143643000, "concept": "us-gaap:IntangibleAssetsNetExcludingGoodwill", "currency | 2011-03-31 | sec_edgar |
| intangible_assets | {"amount": 153370000, "concept": "us-gaap:IntangibleAssetsNetExcludingGoodwill", "currency | 2010-12-31 | sec_edgar |
| intangible_assets | {"amount": 164020000, "concept": "us-gaap:IntangibleAssetsNetExcludingGoodwill", "currency | 2010-09-30 | sec_edgar |
| intangible_assets | {"amount": 117971000, "concept": "us-gaap:IntangibleAssetsNetExcludingGoodwill", "currency | 2010-06-30 | sec_edgar |
| intangible_assets | {"amount": 135352000, "concept": "us-gaap:IntangibleAssetsNetExcludingGoodwill", "currency | 2009-12-31 | sec_edgar |
| inventory | {"amount": 95536000, "concept": "us-gaap:InventoryNet", "currency": "USD"} | 2011-03-31 | sec_edgar |
| inventory | {"amount": 95736000, "concept": "us-gaap:InventoryNet", "currency": "USD"} | 2010-12-31 | sec_edgar |
| inventory | {"amount": 95477000, "concept": "us-gaap:InventoryNet", "currency": "USD"} | 2010-09-30 | sec_edgar |
| inventory | {"amount": 87322000, "concept": "us-gaap:InventoryNet", "currency": "USD"} | 2010-06-30 | sec_edgar |
| inventory | {"amount": 70396000, "concept": "us-gaap:InventoryNet", "currency": "USD"} | 2009-12-31 | sec_edgar |
| marketable_securities | {"amount": 403038000, "concept": "us-gaap:MarketableSecuritiesCurrent", "currency": "USD"} | 2011-03-31 | sec_edgar |
| marketable_securities | {"amount": 385080000, "concept": "us-gaap:MarketableSecuritiesCurrent", "currency": "USD"} | 2010-12-31 | sec_edgar |
| marketable_securities | {"amount": 365242000, "concept": "us-gaap:MarketableSecuritiesCurrent", "currency": "USD"} | 2010-09-30 | sec_edgar |
| marketable_securities | {"amount": 333042000, "concept": "us-gaap:MarketableSecuritiesCurrent", "currency": "USD"} | 2010-06-30 | sec_edgar |
| marketable_securities | {"amount": 253859000, "concept": "us-gaap:MarketableSecuritiesCurrent", "currency": "USD"} | 2009-12-31 | sec_edgar |
| net_income | {"amount": 21054000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2011-03-31 | sec_edgar |
| net_income | {"amount": 54373000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2010-12-31 | sec_edgar |
| net_income | {"amount": 77590000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2010-09-30 | sec_edgar |
| net_income | {"amount": 28116000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2010-09-30 | sec_edgar |
| net_income | {"amount": 29735000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2010-06-30 | sec_edgar |
| net_income | {"amount": 49474000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2010-06-30 | sec_edgar |
| net_income | {"amount": 19739000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2010-03-31 | sec_edgar |
| net_income | {"amount": 46407000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2009-12-31 | sec_edgar |
| net_income | {"amount": 38576000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2009-09-30 | sec_edgar |
| net_income | {"amount": 30774000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2009-09-30 | sec_edgar |
| net_income | {"amount": -7802000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2009-06-30 | sec_edgar |
| net_income | {"amount": -250000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2009-06-30 | sec_edgar |
| net_income | {"amount": 18872000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2008-12-31 | sec_edgar |
| operating_expenses | {"amount": 231884000, "concept": "us-gaap:CostsAndExpenses", "currency": "USD"} | 2011-03-31 | sec_edgar |
| operating_expenses | {"amount": 865141000, "concept": "us-gaap:CostsAndExpenses", "currency": "USD"} | 2010-12-31 | sec_edgar |
| operating_expenses | {"amount": 619143000, "concept": "us-gaap:CostsAndExpenses", "currency": "USD"} | 2010-09-30 | sec_edgar |
| operating_expenses | {"amount": 217541000, "concept": "us-gaap:CostsAndExpenses", "currency": "USD"} | 2010-09-30 | sec_edgar |
| operating_expenses | {"amount": 401602000, "concept": "us-gaap:CostsAndExpenses", "currency": "USD"} | 2010-06-30 | sec_edgar |
| operating_expenses | {"amount": 207575000, "concept": "us-gaap:CostsAndExpenses", "currency": "USD"} | 2010-06-30 | sec_edgar |
| operating_expenses | {"amount": 194027000, "concept": "us-gaap:CostsAndExpenses", "currency": "USD"} | 2010-03-31 | sec_edgar |
| operating_expenses | {"amount": 520290000, "concept": "us-gaap:CostsAndExpenses", "currency": "USD"} | 2009-12-31 | sec_edgar |
| operating_expenses | {"amount": 351116000, "concept": "us-gaap:CostsAndExpenses", "currency": "USD"} | 2009-09-30 | sec_edgar |
| operating_expenses | {"amount": 140273000, "concept": "us-gaap:CostsAndExpenses", "currency": "USD"} | 2009-09-30 | sec_edgar |
| operating_expenses | {"amount": 113723000, "concept": "us-gaap:CostsAndExpenses", "currency": "USD"} | 2009-06-30 | sec_edgar |
| operating_expenses | {"amount": 210843000, "concept": "us-gaap:CostsAndExpenses", "currency": "USD"} | 2009-06-30 | sec_edgar |
| operating_expenses | {"amount": 446490000, "concept": "us-gaap:CostsAndExpenses", "currency": "USD"} | 2008-12-31 | sec_edgar |
| operating_income | {"amount": 13465000, "concept": "us-gaap:OperatingIncomeLoss", "currency": "USD"} | 2011-03-31 | sec_edgar |
| operating_income | {"amount": 61691000, "concept": "us-gaap:OperatingIncomeLoss", "currency": "USD"} | 2010-12-31 | sec_edgar |
| operating_income | {"amount": 29545000, "concept": "us-gaap:OperatingIncomeLoss", "currency": "USD"} | 2010-09-30 | sec_edgar |
| operating_income | {"amount": 80867000, "concept": "us-gaap:OperatingIncomeLoss", "currency": "USD"} | 2010-09-30 | sec_edgar |
| operating_income | {"amount": 51322000, "concept": "us-gaap:OperatingIncomeLoss", "currency": "USD"} | 2010-06-30 | sec_edgar |
| operating_income | {"amount": 30644000, "concept": "us-gaap:OperatingIncomeLoss", "currency": "USD"} | 2010-06-30 | sec_edgar |
| operating_income | {"amount": 20678000, "concept": "us-gaap:OperatingIncomeLoss", "currency": "USD"} | 2010-03-31 | sec_edgar |
| operating_income | {"amount": 22178000, "concept": "us-gaap:OperatingIncomeLoss", "currency": "USD"} | 2009-12-31 | sec_edgar |
| operating_income | {"amount": 16368000, "concept": "us-gaap:OperatingIncomeLoss", "currency": "USD"} | 2009-09-30 | sec_edgar |
| operating_income | {"amount": 5674000, "concept": "us-gaap:OperatingIncomeLoss", "currency": "USD"} | 2009-09-30 | sec_edgar |
| operating_income | {"amount": -10694000, "concept": "us-gaap:OperatingIncomeLoss", "currency": "USD"} | 2009-06-30 | sec_edgar |
| operating_income | {"amount": -1499000, "concept": "us-gaap:OperatingIncomeLoss", "currency": "USD"} | 2009-06-30 | sec_edgar |
| operating_income | {"amount": 25906000, "concept": "us-gaap:OperatingIncomeLoss", "currency": "USD"} | 2008-12-31 | sec_edgar |
| ppe_net | {"amount": 21084000, "concept": "us-gaap:PropertyPlantAndEquipmentNet", "currency": "USD"} | 2011-03-31 | sec_edgar |
| ppe_net | {"amount": 22103000, "concept": "us-gaap:PropertyPlantAndEquipmentNet", "currency": "USD"} | 2010-12-31 | sec_edgar |
| ppe_net | {"amount": 22132000, "concept": "us-gaap:PropertyPlantAndEquipmentNet", "currency": "USD"} | 2010-09-30 | sec_edgar |
| ppe_net | {"amount": 16170000, "concept": "us-gaap:PropertyPlantAndEquipmentNet", "currency": "USD"} | 2010-06-30 | sec_edgar |
| ppe_net | {"amount": 14955000, "concept": "us-gaap:PropertyPlantAndEquipmentNet", "currency": "USD"} | 2009-12-31 | sec_edgar |
| pretax_income | {"amount": 21915000, "concept": "us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTax | 2011-03-31 | sec_edgar |
| pretax_income | {"amount": 65972000, "concept": "us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTax | 2010-12-31 | sec_edgar |
| pretax_income | {"amount": 30555000, "concept": "us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTax | 2010-09-30 | sec_edgar |
| pretax_income | {"amount": 84420000, "concept": "us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTax | 2010-09-30 | sec_edgar |
| pretax_income | {"amount": 53865000, "concept": "us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTax | 2010-06-30 | sec_edgar |
| pretax_income | {"amount": 31846000, "concept": "us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTax | 2010-06-30 | sec_edgar |
| pretax_income | {"amount": 22019000, "concept": "us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTax | 2010-03-31 | sec_edgar |
| pretax_income | {"amount": 26164000, "concept": "us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTax | 2009-12-31 | sec_edgar |