CIK 0000796764 · QID Q7240292 · EIN 201424922
| Fakt | Wert | Zeit | Quelle |
|---|---|---|---|
| accounts_receivable | {"amount": 886000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2015-08-31 | sec_edgar |
| accounts_receivable | {"amount": 1669000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2015-05-31 | sec_edgar |
| accounts_receivable | {"amount": 1417000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2015-02-28 | sec_edgar |
| accounts_receivable | {"amount": 1371000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2014-11-30 | sec_edgar |
| accounts_receivable | {"amount": 1265000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2014-08-31 | sec_edgar |
| accounts_receivable | {"amount": 1587000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2014-05-31 | sec_edgar |
| accounts_receivable | {"amount": 1331000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2014-02-28 | sec_edgar |
| accounts_receivable | {"amount": 1573000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2013-11-30 | sec_edgar |
| accounts_receivable | {"amount": 1344000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2013-08-31 | sec_edgar |
| accounts_receivable | {"amount": 1795000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2013-05-31 | sec_edgar |
| accounts_receivable | {"amount": 1370000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2013-02-28 | sec_edgar |
| accounts_receivable | {"amount": 1672000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2012-11-30 | sec_edgar |
| accounts_receivable | {"amount": 2554000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2012-08-31 | sec_edgar |
| accounts_receivable | {"amount": 1507000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2012-05-31 | sec_edgar |
| accounts_receivable | {"amount": 1390000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2012-02-29 | sec_edgar |
| accounts_receivable | {"amount": 683000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2011-11-30 | sec_edgar |
| accounts_receivable | {"amount": 1463000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2011-08-31 | sec_edgar |
| accounts_receivable | {"amount": 2419000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2011-02-28 | sec_edgar |
| capex | {"amount": 5259000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2015-08-31 | sec_edgar |
| capex | {"amount": 5259000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2015-08-31 | sec_edgar |
| capex | {"amount": 5166000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2015-05-31 | sec_edgar |
| capex | {"amount": 4001000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2015-02-28 | sec_edgar |
| capex | {"amount": 441000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2014-11-30 | sec_edgar |
| capex | {"amount": 393000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2014-08-31 | sec_edgar |
| capex | {"amount": 393000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2014-08-31 | sec_edgar |
| capex | {"amount": 370000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2014-05-31 | sec_edgar |
| capex | {"amount": 3114000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2014-02-28 | sec_edgar |
| capex | {"amount": 2970000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2013-11-30 | sec_edgar |
| capex | {"amount": 2612000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2013-08-31 | sec_edgar |
| capex | {"amount": 301000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2013-05-31 | sec_edgar |
| capex | {"amount": 1059000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2013-02-28 | sec_edgar |
| capex | {"amount": 545000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2012-11-30 | sec_edgar |
| capex | {"amount": 345000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2012-08-31 | sec_edgar |
| capex | {"amount": 174000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2012-05-31 | sec_edgar |
| capex | {"amount": 1167000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2012-02-29 | sec_edgar |
| capex | {"amount": 966000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2011-11-30 | sec_edgar |
| capex | {"amount": 910000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2011-08-31 | sec_edgar |
| capex | {"amount": 346000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2011-05-31 | sec_edgar |
| capex | {"amount": 2045000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2011-02-28 | sec_edgar |
| capex | {"amount": 1640000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2010-11-30 | sec_edgar |
| capex | {"amount": 728000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2010-08-31 | sec_edgar |
| cash_and_equivalents | {"amount": 1606000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2015-08-31 | sec_edgar |
| cash_and_equivalents | {"amount": 1589000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2015-05-31 | sec_edgar |
| cash_and_equivalents | {"amount": 4798000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2015-03-02 | sec_edgar |
| cash_and_equivalents | {"amount": 4798000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2015-02-28 | sec_edgar |
| cash_and_equivalents | {"amount": 5784000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2014-11-30 | sec_edgar |
| cash_and_equivalents | {"amount": 3896000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2014-08-31 | sec_edgar |
| cash_and_equivalents | {"amount": 3315000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2014-05-31 | sec_edgar |
| cash_and_equivalents | {"amount": 3434000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2014-03-02 | sec_edgar |
| cash_and_equivalents | {"amount": 3434000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2014-02-28 | sec_edgar |
| cash_and_equivalents | {"amount": 3996000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2013-11-30 | sec_edgar |
| cash_and_equivalents | {"amount": 5324000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2013-08-31 | sec_edgar |
| cash_and_equivalents | {"amount": 7168000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2013-05-31 | sec_edgar |
| cash_and_equivalents | {"amount": 6393000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2013-02-28 | sec_edgar |
| cash_and_equivalents | {"amount": 6150000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2012-11-30 | sec_edgar |
| cash_and_equivalents | {"amount": 5603000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2012-08-31 | sec_edgar |
| cash_and_equivalents | {"amount": 4691000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2012-05-31 | sec_edgar |
| cash_and_equivalents | {"amount": 2344000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2012-02-29 | sec_edgar |
| cash_and_equivalents | {"amount": 3076000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2011-11-30 | sec_edgar |
| cash_and_equivalents | {"amount": 4094000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2011-08-31 | sec_edgar |
| cash_and_equivalents | {"amount": 4707000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2011-05-31 | sec_edgar |
| cash_and_equivalents | {"amount": 3764000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2011-02-28 | sec_edgar |
| cash_and_equivalents | {"amount": 6329000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2010-11-30 | sec_edgar |
| cash_and_equivalents | {"amount": 4809000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2010-08-31 | sec_edgar |
| cash_and_equivalents | {"amount": 10339000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2010-02-28 | sec_edgar |
| cashflow_financing | {"amount": -512000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curr | 2014-02-28 | sec_edgar |
| cashflow_financing | {"amount": 40000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curren | 2013-08-31 | sec_edgar |
| cashflow_financing | {"amount": 113000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curre | 2013-05-31 | sec_edgar |
| cashflow_financing | {"amount": -153000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curr | 2013-02-28 | sec_edgar |
| cashflow_financing | {"amount": -587000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curr | 2012-11-30 | sec_edgar |
| cashflow_financing | {"amount": -422000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curr | 2012-08-31 | sec_edgar |
| cashflow_financing | {"amount": -29000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curre | 2012-05-31 | sec_edgar |
| cashflow_financing | {"amount": 310000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curre | 2012-02-29 | sec_edgar |
| cashflow_financing | {"amount": -153000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curr | 2011-11-30 | sec_edgar |
| cashflow_financing | {"amount": 8000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "currenc | 2011-08-31 | sec_edgar |
| cashflow_financing | {"amount": 5000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "currenc | 2011-05-31 | sec_edgar |
| cashflow_financing | {"amount": -19000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curre | 2011-02-28 | sec_edgar |
| cashflow_financing | {"amount": -19000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curre | 2010-11-30 | sec_edgar |
| cashflow_financing | {"amount": 24000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curren | 2010-08-31 | sec_edgar |
| cashflow_investing | {"amount": -2939000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2014-02-28 | sec_edgar |
| cashflow_investing | {"amount": -2518000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2013-08-31 | sec_edgar |
| cashflow_investing | {"amount": -261000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curr | 2013-05-31 | sec_edgar |
| cashflow_investing | {"amount": -1125000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2013-02-28 | sec_edgar |
| cashflow_investing | {"amount": -623000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curr | 2012-11-30 | sec_edgar |
| cashflow_investing | {"amount": -433000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curr | 2012-08-31 | sec_edgar |
| cashflow_investing | {"amount": -152000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curr | 2012-05-31 | sec_edgar |
| cashflow_investing | {"amount": -897000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curr | 2012-02-29 | sec_edgar |
| cashflow_investing | {"amount": -1114000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2011-11-30 | sec_edgar |
| cashflow_investing | {"amount": -806000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curr | 2011-08-31 | sec_edgar |
| cashflow_investing | {"amount": -313000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curr | 2011-05-31 | sec_edgar |
| cashflow_investing | {"amount": -3916000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2011-02-28 | sec_edgar |
| cashflow_investing | {"amount": -2912000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2010-11-30 | sec_edgar |
| cashflow_investing | {"amount": -3517000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2010-08-31 | sec_edgar |
| cashflow_operating | {"amount": -3278000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinu | 2015-08-31 | sec_edgar |
| cashflow_operating | {"amount": -1369000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinu | 2015-05-31 | sec_edgar |
| cashflow_operating | {"amount": -1386000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinu | 2015-02-28 | sec_edgar |
| cashflow_operating | {"amount": -714000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinui | 2014-11-30 | sec_edgar |
| cashflow_operating | {"amount": 1776000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinui | 2014-08-31 | sec_edgar |
| cashflow_operating | {"amount": 1776000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinui | 2014-08-31 | sec_edgar |
| cashflow_operating | {"amount": 1119000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinui | 2014-05-31 | sec_edgar |
| cashflow_operating | {"amount": 483000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinuin | 2014-02-28 | sec_edgar |
| cashflow_operating | {"amount": 964000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinuin | 2013-11-30 | sec_edgar |
| cashflow_operating | {"amount": 1408000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinui | 2013-08-31 | sec_edgar |
| cashflow_operating | {"amount": 922000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinuin | 2013-05-31 | sec_edgar |
| cashflow_operating | {"amount": 5314000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinui | 2013-02-28 | sec_edgar |
| cashflow_operating | {"amount": 5009000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinui | 2012-11-30 | sec_edgar |
| cashflow_operating | {"amount": 4107000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curr | 2012-08-31 | sec_edgar |
| cashflow_operating | {"amount": 2522000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curr | 2012-05-31 | sec_edgar |
| cashflow_operating | {"amount": -808000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curr | 2012-02-29 | sec_edgar |
| cashflow_operating | {"amount": 599000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curre | 2011-11-30 | sec_edgar |
| cashflow_operating | {"amount": 1108000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curr | 2011-08-31 | sec_edgar |
| cashflow_operating | {"amount": 1229000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curr | 2011-05-31 | sec_edgar |
| cashflow_operating | {"amount": -2506000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2011-02-28 | sec_edgar |
| cashflow_operating | {"amount": -898000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curr | 2010-11-30 | sec_edgar |
| cashflow_operating | {"amount": -1960000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2010-08-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 4917423, "concept": "us-gaap:CommonStockSharesIssued"} | 2015-08-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 4917423, "concept": "us-gaap:CommonStockSharesIssued"} | 2015-05-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 4916644, "concept": "us-gaap:CommonStockSharesIssued"} | 2015-02-28 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 49097011, "concept": "us-gaap:CommonStockSharesIssued"} | 2014-11-30 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 49097011, "concept": "us-gaap:CommonStockSharesIssued"} | 2014-08-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 49050377, "concept": "us-gaap:CommonStockSharesIssued"} | 2014-05-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 4906209, "concept": "us-gaap:CommonStockSharesIssued"} | 2014-02-28 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 48987206, "concept": "us-gaap:CommonStockSharesIssued"} | 2013-11-30 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 49343658, "concept": "us-gaap:CommonStockSharesIssued"} | 2013-08-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 49342320, "concept": "us-gaap:CommonStockSharesIssued"} | 2013-05-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 49072364, "concept": "us-gaap:CommonStockSharesIssued"} | 2013-02-28 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 47883927, "concept": "us-gaap:CommonStockSharesIssued"} | 2012-11-30 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 47883927, "concept": "us-gaap:CommonStockSharesIssued"} | 2012-08-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 47883927, "concept": "us-gaap:CommonStockSharesIssued"} | 2012-05-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 47883927, "concept": "us-gaap:CommonStockSharesIssued"} | 2012-02-29 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 47445522, "concept": "us-gaap:CommonStockSharesIssued"} | 2011-11-30 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 47425522, "concept": "us-gaap:CommonStockSharesIssued"} | 2011-08-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 149165, "concept": "us-gaap:CommonStockSharesIssued"} | 2011-05-20 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 48205661, "concept": "us-gaap:CommonStockSharesIssued"} | 2011-02-28 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 149165, "concept": "us-gaap:CommonStockSharesIssued"} | 2010-10-30 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 4917222, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2015-10-13 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 4917222, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2015-08-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 4917222, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2015-07-09 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 4917222, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2015-05-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 4917213, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2015-05-21 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 4916443, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2015-02-28 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 49146695, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2015-01-09 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 49095002, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2014-11-30 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 49095002, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2014-10-10 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 49095002, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2014-08-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 49053044, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2014-07-11 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 49048368, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2014-05-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 49048368, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2014-05-23 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 4906008, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2014-02-28 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 49041031, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2014-01-10 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 48985197, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2013-11-30 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 49342987, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2013-10-07 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 49341649, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2013-08-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 49340980, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2013-07-08 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 49340311, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2013-05-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 49339642, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2013-05-26 | sec_edgar |
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| common_shares_outstanding | {"unit": "shares", "value": 47881918, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2012-11-30 | sec_edgar |
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| common_shares_outstanding | {"unit": "shares", "value": 47881918, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2012-08-31 | sec_edgar |
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| common_shares_outstanding | {"unit": "shares", "value": 47881918, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2012-05-31 | sec_edgar |
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| common_shares_outstanding | {"unit": "shares", "value": 47881918, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2012-02-29 | sec_edgar |
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| common_shares_outstanding | {"unit": "shares", "value": 47443513, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2011-11-30 | sec_edgar |
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| common_shares_outstanding | {"unit": "shares", "value": 47423513, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2011-08-31 | sec_edgar |
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| cost_of_revenue | {"amount": 5656000, "concept": "us-gaap:CostOfGoodsAndServicesSold", "currency": "USD"} | 2015-08-31 | sec_edgar |
| cost_of_revenue | {"amount": 11165000, "concept": "us-gaap:CostOfGoodsAndServicesSold", "currency": "USD"} | 2015-08-31 | sec_edgar |
| cost_of_revenue | {"amount": 5509000, "concept": "us-gaap:CostOfGoodsAndServicesSold", "currency": "USD"} | 2015-05-31 | sec_edgar |
| cost_of_revenue | {"amount": 19784000, "concept": "us-gaap:CostOfGoodsAndServicesSold", "currency": "USD"} | 2015-02-28 | sec_edgar |
| cost_of_revenue | {"amount": 14461000, "concept": "us-gaap:CostOfGoodsAndServicesSold", "currency": "USD"} | 2014-11-30 | sec_edgar |
| cost_of_revenue | {"amount": 4784000, "concept": "us-gaap:CostOfGoodsAndServicesSold", "currency": "USD"} | 2014-11-30 | sec_edgar |
| cost_of_revenue | {"amount": 5270000, "concept": "us-gaap:CostOfGoodsAndServicesSold", "currency": "USD"} | 2014-08-31 | sec_edgar |
| cost_of_revenue | {"amount": 9677000, "concept": "us-gaap:CostOfGoodsAndServicesSold", "currency": "USD"} | 2014-08-31 | sec_edgar |
| cost_of_revenue | {"amount": 4407000, "concept": "us-gaap:CostOfGoodsAndServicesSold", "currency": "USD"} | 2014-05-31 | sec_edgar |
| cost_of_revenue | {"amount": 15368000, "concept": "us-gaap:CostOfGoodsAndServicesSold", "currency": "USD"} | 2014-02-28 | sec_edgar |
| cost_of_revenue | {"amount": 4042000, "concept": "us-gaap:CostOfGoodsAndServicesSold", "currency": "USD"} | 2013-11-30 | sec_edgar |
| cost_of_revenue | {"amount": 11504000, "concept": "us-gaap:CostOfGoodsAndServicesSold", "currency": "USD"} | 2013-11-30 | sec_edgar |
| cost_of_revenue | {"amount": 7462000, "concept": "us-gaap:CostOfGoodsAndServicesSold", "currency": "USD"} | 2013-08-31 | sec_edgar |
| cost_of_revenue | {"amount": 3815000, "concept": "us-gaap:CostOfGoodsAndServicesSold", "currency": "USD"} | 2013-08-31 | sec_edgar |
| cost_of_revenue | {"amount": 3647000, "concept": "us-gaap:CostOfGoodsAndServicesSold", "currency": "USD"} | 2013-05-31 | sec_edgar |
| cost_of_revenue | {"amount": 18745000, "concept": "us-gaap:CostOfGoodsAndServicesSold", "currency": "USD"} | 2013-02-28 | sec_edgar |
| cost_of_revenue | {"amount": 4422000, "concept": "us-gaap:CostOfGoodsAndServicesSold", "currency": "USD"} | 2012-11-30 | sec_edgar |
| cost_of_revenue | {"amount": 14852000, "concept": "us-gaap:CostOfGoodsAndServicesSold", "currency": "USD"} | 2012-11-30 | sec_edgar |
| cost_of_revenue | {"amount": 5242000, "concept": "us-gaap:CostOfGoodsAndServicesSold", "currency": "USD"} | 2012-08-31 | sec_edgar |
| cost_of_revenue | {"amount": 10430000, "concept": "us-gaap:CostOfGoodsAndServicesSold", "currency": "USD"} | 2012-08-31 | sec_edgar |
| cost_of_revenue | {"amount": 5188000, "concept": "us-gaap:CostOfGoodsAndServicesSold", "currency": "USD"} | 2012-05-31 | sec_edgar |
| cost_of_revenue | {"amount": 17264000, "concept": "us-gaap:CostOfGoodsAndServicesSold", "currency": "USD"} | 2012-02-29 | sec_edgar |
| cost_of_revenue | {"amount": 12834000, "concept": "us-gaap:CostOfGoodsAndServicesSold", "currency": "USD"} | 2011-11-30 | sec_edgar |
| cost_of_revenue | {"amount": 3958000, "concept": "us-gaap:CostOfGoodsAndServicesSold", "currency": "USD"} | 2011-11-30 | sec_edgar |
| cost_of_revenue | {"amount": 4689000, "concept": "us-gaap:CostOfGoodsAndServicesSold", "currency": "USD"} | 2011-08-31 | sec_edgar |
| cost_of_revenue | {"amount": 8875000, "concept": "us-gaap:CostOfGoodsAndServicesSold", "currency": "USD"} | 2011-08-31 | sec_edgar |
| cost_of_revenue | {"amount": 4186000, "concept": "us-gaap:CostOfGoodsAndServicesSold", "currency": "USD"} | 2011-05-31 | sec_edgar |
| cost_of_revenue | {"amount": 33459000, "concept": "us-gaap:CostOfGoodsAndServicesSold", "currency": "USD"} | 2011-02-28 | sec_edgar |
| cost_of_revenue | {"amount": 10669000, "concept": "us-gaap:CostOfGoodsAndServicesSold", "currency": "USD"} | 2010-11-30 | sec_edgar |
| cost_of_revenue | {"amount": 25765000, "concept": "us-gaap:CostOfGoodsAndServicesSold", "currency": "USD"} | 2010-11-30 | sec_edgar |