CIK 0001499620
| Fakt | Wert | Zeit | Quelle |
|---|---|---|---|
| accounts_payable | {"amount": 152513000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2026-02-28 | sec_edgar |
| accounts_payable | {"amount": 146300000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2025-02-28 | sec_edgar |
| accounts_payable | {"amount": 127321000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2024-02-29 | sec_edgar |
| accounts_payable | {"amount": 59991000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2023-02-28 | sec_edgar |
| accounts_payable | {"amount": 89838000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2022-02-28 | sec_edgar |
| accounts_payable | {"amount": 353778000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2021-02-28 | sec_edgar |
| accounts_payable | {"amount": 117770000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2020-02-29 | sec_edgar |
| accounts_payable | {"amount": 106493000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2019-02-28 | sec_edgar |
| accounts_payable | {"amount": 57605000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2018-02-28 | sec_edgar |
| accounts_payable | {"amount": 22637199, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2017-02-28 | sec_edgar |
| accounts_payable | {"amount": 10404047, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2016-02-29 | sec_edgar |
| accounts_payable | {"amount": 4705492, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2015-02-28 | sec_edgar |
| accounts_payable | {"amount": 2349365, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2014-02-28 | sec_edgar |
| accounts_payable | {"amount": 2009473, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2013-02-28 | sec_edgar |
| accounts_payable | {"amount": 2863596, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2012-02-29 | sec_edgar |
| accounts_payable | {"amount": 911254, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2011-02-28 | sec_edgar |
| accounts_receivable | {"amount": 71558000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2026-02-28 | sec_edgar |
| accounts_receivable | {"amount": 94153000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2025-02-28 | sec_edgar |
| accounts_receivable | {"amount": 52739000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2024-02-29 | sec_edgar |
| accounts_receivable | {"amount": 44825000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2023-02-28 | sec_edgar |
| accounts_receivable | {"amount": 25567000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2022-02-28 | sec_edgar |
| accounts_receivable | {"amount": 25907000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2021-02-28 | sec_edgar |
| accounts_receivable | {"amount": 42654000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2020-02-29 | sec_edgar |
| accounts_receivable | {"amount": 50222000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2019-02-28 | sec_edgar |
| accounts_receivable | {"amount": 16459000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2018-02-28 | sec_edgar |
| capex | {"amount": 93191000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2026-02-28 | sec_edgar |
| capex | {"amount": 111728000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2025-02-28 | sec_edgar |
| capex | {"amount": 112737000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2024-02-29 | sec_edgar |
| capex | {"amount": 110326000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2023-02-28 | sec_edgar |
| capex | {"amount": 246297000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2022-02-28 | sec_edgar |
| capex | {"amount": 245058000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2021-02-28 | sec_edgar |
| capex | {"amount": 178071000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2020-02-29 | sec_edgar |
| capex | {"amount": 138406000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2019-02-28 | sec_edgar |
| capex | {"amount": 126344000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2018-02-28 | sec_edgar |
| capex | {"amount": 71112000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2017-02-28 | sec_edgar |
| capex | {"amount": 35087893, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2016-02-29 | sec_edgar |
| capex | {"amount": 30696412, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2015-02-28 | sec_edgar |
| capex | {"amount": 10835726, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2014-02-28 | sec_edgar |
| capex | {"amount": 6163284, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2013-02-28 | sec_edgar |
| capex | {"amount": 72631938, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2012-02-29 | sec_edgar |
| capex | {"amount": 5164709, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2011-02-28 | sec_edgar |
| capex | {"amount": 3781617, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2010-02-28 | sec_edgar |
| cash_and_equivalents | {"amount": 1523879000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "curren | 2026-02-28 | sec_edgar |
| cash_and_equivalents | {"amount": 1771260000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "curren | 2025-02-28 | sec_edgar |
| cash_and_equivalents | {"amount": 2208756000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "curren | 2024-02-29 | sec_edgar |
| cash_and_equivalents | {"amount": 2021927000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "curren | 2023-02-28 | sec_edgar |
| cash_and_equivalents | {"amount": 1638189000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "curren | 2022-02-28 | sec_edgar |
| cash_and_equivalents | {"amount": 3242953000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "curren | 2021-02-28 | sec_edgar |
| cash_and_equivalents | {"amount": 1873866000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "curren | 2020-02-29 | sec_edgar |
| cash_and_equivalents | {"unit": "CNY", "value": 538364000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingVa | 2019-02-28 | sec_edgar |
| cash_and_equivalents | {"amount": 711519000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2018-02-28 | sec_edgar |
| cash_and_equivalents | {"amount": 470217004, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2017-02-28 | sec_edgar |
| cash_and_equivalents | {"amount": 434042036, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2016-02-29 | sec_edgar |
| cash_and_equivalents | {"amount": 470157430, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2015-02-28 | sec_edgar |
| cash_and_equivalents | {"amount": 269930571, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2014-02-28 | sec_edgar |
| cash_and_equivalents | {"amount": 185080673, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2013-02-28 | sec_edgar |
| cash_and_equivalents | {"amount": 188579767, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2012-02-29 | sec_edgar |
| cash_and_equivalents | {"amount": 173165661, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2011-02-28 | sec_edgar |
| cash_and_equivalents | {"amount": 50752481, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2010-02-28 | sec_edgar |
| cash_and_equivalents | {"amount": 29692901, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2009-02-28 | sec_edgar |
| cash_and_restricted_cash | {"amount": 1786038000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedC | 2026-02-28 | sec_edgar |
| cash_and_restricted_cash | {"amount": 1991731000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedC | 2025-02-28 | sec_edgar |
| cash_and_restricted_cash | {"amount": 2457476000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedC | 2024-02-29 | sec_edgar |
| cash_and_restricted_cash | {"amount": 2294907000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedC | 2023-02-28 | sec_edgar |
| cash_and_restricted_cash | {"amount": 2681786000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedC | 2022-02-28 | sec_edgar |
| cash_and_restricted_cash | {"amount": 5017984000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedC | 2021-02-28 | sec_edgar |
| cash_and_restricted_cash | {"amount": 1915185000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedC | 2020-02-29 | sec_edgar |
| cash_and_restricted_cash | {"amount": 1263701000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedC | 2019-02-28 | sec_edgar |
| cash_and_restricted_cash | {"amount": 727697000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCa | 2018-02-28 | sec_edgar |
| cash_and_restricted_cash | {"amount": 478611000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCa | 2017-02-28 | sec_edgar |
| cash_and_restricted_cash | {"amount": 439008000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCa | 2016-02-29 | sec_edgar |
| cashflow_financing | {"amount": -643512000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "c | 2026-02-28 | sec_edgar |
| cashflow_financing | {"amount": -13167000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2025-02-28 | sec_edgar |
| cashflow_financing | {"amount": -233095000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "c | 2024-02-29 | sec_edgar |
| cashflow_financing | {"amount": -66184000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2023-02-28 | sec_edgar |
| cashflow_financing | {"amount": -2766679000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", " | 2022-02-28 | sec_edgar |
| cashflow_financing | {"amount": 4794813000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "c | 2021-02-28 | sec_edgar |
| cashflow_financing | {"amount": 131231000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2020-02-29 | sec_edgar |
| cashflow_financing | {"amount": 475019000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2019-02-28 | sec_edgar |
| cashflow_financing | {"amount": 428151000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2018-02-28 | sec_edgar |
| cashflow_financing | {"amount": 178834000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2017-02-28 | sec_edgar |
| cashflow_financing | {"amount": -8790451, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2016-02-29 | sec_edgar |
| cashflow_investing | {"amount": -175746000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "c | 2026-02-28 | sec_edgar |
| cashflow_investing | {"amount": -847028000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "c | 2025-02-28 | sec_edgar |
| cashflow_investing | {"amount": 95068000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2024-02-29 | sec_edgar |
| cashflow_investing | {"amount": -301626000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "c | 2023-02-28 | sec_edgar |
| cashflow_investing | {"amount": 1368716000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "c | 2022-02-28 | sec_edgar |
| cashflow_investing | {"amount": -2641469000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", " | 2021-02-28 | sec_edgar |
| cashflow_investing | {"amount": -338815000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "c | 2020-02-29 | sec_edgar |
| cashflow_investing | {"amount": -166584000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "c | 2019-02-28 | sec_edgar |
| cashflow_investing | {"amount": -832573000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "c | 2018-02-28 | sec_edgar |
| cashflow_investing | {"amount": -514836000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "c | 2017-02-28 | sec_edgar |
| cashflow_investing | {"amount": -215351987, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "c | 2016-02-29 | sec_edgar |
| cashflow_investing | {"amount": -28118705, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2013-02-28 | sec_edgar |
| cashflow_investing | {"amount": -59095759, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2012-02-29 | sec_edgar |
| cashflow_investing | {"amount": -29567949, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2011-02-28 | sec_edgar |
| cashflow_investing | {"amount": -5250128, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2010-02-28 | sec_edgar |
| cashflow_operating | {"amount": 601467000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu | 2026-02-28 | sec_edgar |
| cashflow_operating | {"amount": 397923000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu | 2025-02-28 | sec_edgar |
| cashflow_operating | {"amount": 306172000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu | 2024-02-29 | sec_edgar |
| cashflow_operating | {"amount": 7358000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curr | 2023-02-28 | sec_edgar |
| cashflow_operating | {"amount": -939184000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "c | 2022-02-28 | sec_edgar |
| cashflow_operating | {"amount": 954732000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu | 2021-02-28 | sec_edgar |
| cashflow_operating | {"amount": 855850000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu | 2020-02-29 | sec_edgar |
| cashflow_operating | {"amount": 194361000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu | 2019-02-28 | sec_edgar |
| cashflow_operating | {"amount": 685293000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu | 2018-02-28 | sec_edgar |
| cashflow_operating | {"amount": 379019000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu | 2017-02-28 | sec_edgar |
| cashflow_operating | {"amount": 197154860, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu | 2016-02-29 | sec_edgar |
| cashflow_operating | {"amount": 147577987, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivitiesContin | 2015-02-28 | sec_edgar |
| cashflow_operating | {"amount": 101558366, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivitiesContin | 2014-02-28 | sec_edgar |
| cashflow_operating | {"amount": 65409745, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinu | 2013-02-28 | sec_edgar |
| cashflow_operating | {"amount": 73397671, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinu | 2012-02-29 | sec_edgar |
| cashflow_operating | {"amount": 53822623, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2011-02-28 | sec_edgar |
| cashflow_operating | {"amount": 27175273, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2010-02-28 | sec_edgar |
| cost_of_revenue | {"amount": 1343430000, "concept": "us-gaap:CostOfRevenue", "currency": "USD"} | 2026-02-28 | sec_edgar |
| cost_of_revenue | {"amount": 1049975000, "concept": "us-gaap:CostOfRevenue", "currency": "USD"} | 2025-02-28 | sec_edgar |
| cost_of_revenue | {"amount": 684316000, "concept": "us-gaap:CostOfRevenue", "currency": "USD"} | 2024-02-29 | sec_edgar |
| cost_of_revenue | {"amount": 436358000, "concept": "us-gaap:CostOfRevenue", "currency": "USD"} | 2023-02-28 | sec_edgar |
| cost_of_revenue | {"amount": 2203336000, "concept": "us-gaap:CostOfRevenue", "currency": "USD"} | 2022-02-28 | sec_edgar |
| cost_of_revenue | {"amount": 2048561000, "concept": "us-gaap:CostOfRevenue", "currency": "USD"} | 2021-02-28 | sec_edgar |
| cost_of_revenue | {"amount": 1468569000, "concept": "us-gaap:CostOfRevenue", "currency": "USD"} | 2020-02-29 | sec_edgar |
| cost_of_revenue | {"amount": 1164454000, "concept": "us-gaap:CostOfRevenue", "currency": "USD"} | 2019-02-28 | sec_edgar |
| cost_of_revenue | {"amount": 882316000, "concept": "us-gaap:CostOfRevenue", "currency": "USD"} | 2018-02-28 | sec_edgar |
| cost_of_revenue | {"amount": 522327000, "concept": "us-gaap:CostOfRevenue", "currency": "USD"} | 2017-02-28 | sec_edgar |
| cost_of_revenue | {"amount": 303634829, "concept": "us-gaap:CostOfRevenue", "currency": "USD"} | 2016-02-29 | sec_edgar |
| cost_of_revenue | {"amount": 203073957, "concept": "us-gaap:CostOfRevenue", "currency": "USD"} | 2015-02-28 | sec_edgar |
| cost_of_revenue | {"amount": 151543116, "concept": "us-gaap:CostOfRevenue", "currency": "USD"} | 2014-02-28 | sec_edgar |
| cost_of_revenue | {"amount": 115748650, "concept": "us-gaap:CostOfRevenue", "currency": "USD"} | 2013-02-28 | sec_edgar |
| cost_of_revenue | {"amount": 95587218, "concept": "us-gaap:CostOfRevenue", "currency": "USD"} | 2012-02-29 | sec_edgar |
| cost_of_revenue | {"amount": 56142838, "concept": "us-gaap:CostOfRevenue", "currency": "USD"} | 2011-02-28 | sec_edgar |
| cost_of_revenue | {"amount": 37433811, "concept": "us-gaap:CostOfRevenue", "currency": "USD"} | 2010-02-28 | sec_edgar |
| current_assets | {"amount": 3843118000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2026-02-28 | sec_edgar |
| current_assets | {"amount": 4126920000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2025-02-28 | sec_edgar |
| current_assets | {"amount": 3699174000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2024-02-29 | sec_edgar |
| current_assets | {"amount": 3468407000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2023-02-28 | sec_edgar |
| current_assets | {"amount": 3629376000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2022-02-28 | sec_edgar |
| current_assets | {"amount": 8156835000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2021-02-28 | sec_edgar |
| current_assets | {"amount": 2495781000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2020-02-29 | sec_edgar |
| current_assets | {"amount": 1745716000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2019-02-28 | sec_edgar |
| current_assets | {"amount": 1662006000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2018-02-28 | sec_edgar |
| current_assets | {"amount": 871121005, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2017-02-28 | sec_edgar |
| current_assets | {"amount": 515859574, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2016-02-29 | sec_edgar |
| current_assets | {"amount": 539432534, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2015-02-28 | sec_edgar |
| current_assets | {"amount": 300376622, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2014-02-28 | sec_edgar |
| current_assets | {"amount": 226438543, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2013-02-28 | sec_edgar |
| current_assets | {"amount": 210235030, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2012-02-29 | sec_edgar |
| current_assets | {"amount": 205449129, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2011-02-28 | sec_edgar |
| current_liabilities | {"amount": 1767186000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2026-02-28 | sec_edgar |
| current_liabilities | {"amount": 1441345000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2025-02-28 | sec_edgar |
| current_liabilities | {"amount": 1082218000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2024-02-29 | sec_edgar |
| current_liabilities | {"amount": 783865000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2023-02-28 | sec_edgar |
| current_liabilities | {"amount": 902584000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2022-02-28 | sec_edgar |
| current_liabilities | {"amount": 3373851000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2021-02-28 | sec_edgar |
| current_liabilities | {"amount": 1806558000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2020-02-29 | sec_edgar |
| current_liabilities | {"amount": 1183718000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2019-02-28 | sec_edgar |
| current_liabilities | {"amount": 1133387000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2018-02-28 | sec_edgar |
| current_liabilities | {"amount": 667140343, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2017-02-28 | sec_edgar |
| current_liabilities | {"amount": 383163427, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2016-02-29 | sec_edgar |
| current_liabilities | {"amount": 232555023, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2015-02-28 | sec_edgar |
| current_liabilities | {"amount": 166756326, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2014-02-28 | sec_edgar |
| current_liabilities | {"amount": 124497655, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2013-02-28 | sec_edgar |
| current_liabilities | {"amount": 104379120, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2012-02-29 | sec_edgar |
| current_liabilities | {"amount": 62601039, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2011-02-28 | sec_edgar |
| dividend_per_share | {"per": "shares", "amount": 0.25, "concept": "us-gaap:CommonStockDividendsPerShareDeclared | 2017-04-27 | sec_edgar |
| dividend_per_share | {"per": "shares", "amount": 0.25, "concept": "us-gaap:CommonStockDividendsPerShareDeclared | 2017-04-27 | sec_edgar |
| dividends_paid | {"amount": 0, "concept": "us-gaap:PaymentsOfDividendsCommonStock", "currency": "USD"} | 2019-02-28 | sec_edgar |
| dividends_paid | {"amount": 41166000, "concept": "us-gaap:PaymentsOfDividendsCommonStock", "currency": "USD | 2018-02-28 | sec_edgar |
| dividends_paid | {"amount": 0, "concept": "us-gaap:PaymentsOfDividendsCommonStock", "currency": "USD"} | 2017-02-28 | sec_edgar |
| dividends_paid | {"amount": 0, "concept": "us-gaap:PaymentsOfDividendsCommonStock", "currency": "USD"} | 2016-02-29 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 2.79, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2026-02-28 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 0.42, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2025-02-28 | sec_edgar |
| eps_basic | {"per": "shares", "amount": -0.02, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2024-02-29 | sec_edgar |
| eps_basic | {"per": "shares", "amount": -0.64, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2023-02-28 | sec_edgar |
| eps_basic | {"per": "shares", "amount": -5.29, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2022-02-28 | sec_edgar |
| eps_basic | {"per": "shares", "amount": -0.57, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2021-02-28 | sec_edgar |
| eps_basic | {"per": "shares", "amount": -0.56, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2020-02-29 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 1.93, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2019-02-28 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 1.13, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2018-02-28 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 0.72, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2017-02-28 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 0.64, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2016-02-29 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 0.42, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2015-02-28 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 0.39, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2014-02-28 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 0.21, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2013-02-28 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 0.16, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2012-02-29 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 0.18, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2011-02-28 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 0.11, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2010-02-28 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 2.75, "concept": "us-gaap:EarningsPerShareDiluted", "currency" | 2026-02-28 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 0.41, "concept": "us-gaap:EarningsPerShareDiluted", "currency" | 2025-02-28 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": -0.02, "concept": "us-gaap:EarningsPerShareDiluted", "currency | 2024-02-29 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": -0.64, "concept": "us-gaap:EarningsPerShareDiluted", "currency | 2023-02-28 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": -5.29, "concept": "us-gaap:EarningsPerShareDiluted", "currency | 2022-02-28 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": -0.57, "concept": "us-gaap:EarningsPerShareDiluted", "currency | 2021-02-28 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": -0.56, "concept": "us-gaap:EarningsPerShareDiluted", "currency | 2020-02-29 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 1.83, "concept": "us-gaap:EarningsPerShareDiluted", "currency" | 2019-02-28 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 1.03, "concept": "us-gaap:EarningsPerShareDiluted", "currency" | 2018-02-28 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 0.66, "concept": "us-gaap:EarningsPerShareDiluted", "currency" | 2017-02-28 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 0.6, "concept": "us-gaap:EarningsPerShareDiluted", "currency": | 2016-02-29 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 0.41, "concept": "us-gaap:EarningsPerShareDiluted", "currency" | 2015-02-28 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 0.38, "concept": "us-gaap:EarningsPerShareDiluted", "currency" | 2014-02-28 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 0.21, "concept": "us-gaap:EarningsPerShareDiluted", "currency" | 2013-02-28 | sec_edgar |