CIK 0001348334 · QID Q4863194
| Fakt | Wert | Zeit | Quelle |
|---|---|---|---|
| accounts_payable | {"amount": 11243000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2017-11-30 | sec_edgar |
| accounts_payable | {"amount": 7710000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2017-08-31 | sec_edgar |
| accounts_payable | {"amount": 12524000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2017-05-31 | sec_edgar |
| accounts_payable | {"amount": 11439000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2017-02-28 | sec_edgar |
| accounts_payable | {"amount": 11288000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2016-11-30 | sec_edgar |
| accounts_payable | {"amount": 9429000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2016-08-31 | sec_edgar |
| accounts_payable | {"amount": 12696000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2016-05-31 | sec_edgar |
| accounts_payable | {"amount": 15939000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2016-02-29 | sec_edgar |
| accounts_payable | {"amount": 15231000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2015-11-30 | sec_edgar |
| accounts_payable | {"amount": 18530000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2015-08-31 | sec_edgar |
| accounts_payable | {"amount": 13129000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2015-05-31 | sec_edgar |
| accounts_payable | {"amount": 16356000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2015-02-28 | sec_edgar |
| accounts_payable | {"amount": 13839000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2014-11-30 | sec_edgar |
| accounts_payable | {"amount": 12708000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2014-08-31 | sec_edgar |
| accounts_payable | {"amount": 9502000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2014-05-31 | sec_edgar |
| accounts_payable | {"amount": 13743000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2014-02-28 | sec_edgar |
| accounts_payable | {"amount": 13688000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2013-11-30 | sec_edgar |
| accounts_payable | {"amount": 12756000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2013-02-28 | sec_edgar |
| accounts_receivable | {"amount": 45229000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2017-11-30 | sec_edgar |
| accounts_receivable | {"amount": 40899000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2017-08-31 | sec_edgar |
| accounts_receivable | {"amount": 39654000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2017-05-31 | sec_edgar |
| accounts_receivable | {"amount": 40560000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2017-02-28 | sec_edgar |
| accounts_receivable | {"amount": 39555000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2016-11-30 | sec_edgar |
| accounts_receivable | {"amount": 34028000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2016-08-31 | sec_edgar |
| accounts_receivable | {"amount": 35501000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2016-05-31 | sec_edgar |
| accounts_receivable | {"amount": 36520000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2016-02-29 | sec_edgar |
| accounts_receivable | {"amount": 42261000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2015-11-30 | sec_edgar |
| accounts_receivable | {"amount": 43026000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2015-08-31 | sec_edgar |
| accounts_receivable | {"amount": 43154000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2015-05-31 | sec_edgar |
| accounts_receivable | {"amount": 40725000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2015-02-28 | sec_edgar |
| accounts_receivable | {"amount": 40998000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2014-11-30 | sec_edgar |
| accounts_receivable | {"amount": 36739000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2014-08-31 | sec_edgar |
| accounts_receivable | {"amount": 32965000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2014-05-31 | sec_edgar |
| accounts_receivable | {"amount": 27836000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2014-02-28 | sec_edgar |
| accounts_receivable | {"amount": 28781000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2013-11-30 | sec_edgar |
| accounts_receivable | {"amount": 24066000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2013-02-28 | sec_edgar |
| capex | {"amount": 9145000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2017-11-30 | sec_edgar |
| capex | {"amount": 7816000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2017-08-31 | sec_edgar |
| capex | {"amount": 4737000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2017-05-31 | sec_edgar |
| capex | {"amount": 6335000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2017-02-28 | sec_edgar |
| capex | {"amount": 4265000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2016-11-30 | sec_edgar |
| capex | {"amount": 2969000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2016-08-31 | sec_edgar |
| capex | {"amount": 1949000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2016-05-31 | sec_edgar |
| capex | {"amount": 7818000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2016-02-29 | sec_edgar |
| capex | {"amount": 5500000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2015-11-30 | sec_edgar |
| capex | {"amount": 3443000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2015-08-31 | sec_edgar |
| capex | {"amount": 1876000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2015-05-31 | sec_edgar |
| capex | {"amount": 12517000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2015-02-28 | sec_edgar |
| capex | {"amount": 7059000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2014-11-30 | sec_edgar |
| capex | {"amount": 3775000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2014-08-31 | sec_edgar |
| capex | {"amount": 1589000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2014-05-31 | sec_edgar |
| capex | {"amount": 7616000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2014-02-28 | sec_edgar |
| capex | {"amount": 5857000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2013-11-30 | sec_edgar |
| capex | {"amount": 4529000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2013-08-31 | sec_edgar |
| capex | {"amount": 1663000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2013-05-31 | sec_edgar |
| capex | {"amount": 4722000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2013-02-28 | sec_edgar |
| capex | {"amount": 3051000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2012-11-30 | sec_edgar |
| capex | {"amount": 8510000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2012-02-29 | sec_edgar |
| cash_and_equivalents | {"amount": 96894000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2017-11-30 | sec_edgar |
| cash_and_equivalents | {"amount": 125585000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2017-08-31 | sec_edgar |
| cash_and_equivalents | {"amount": 126676000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2017-05-31 | sec_edgar |
| cash_and_equivalents | {"amount": 120194000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2017-02-28 | sec_edgar |
| cash_and_equivalents | {"amount": 121113000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2016-11-30 | sec_edgar |
| cash_and_equivalents | {"amount": 139173000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2016-08-31 | sec_edgar |
| cash_and_equivalents | {"amount": 126982000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2016-05-31 | sec_edgar |
| cash_and_equivalents | {"amount": 118654000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2016-02-29 | sec_edgar |
| cash_and_equivalents | {"amount": 117073000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2015-11-30 | sec_edgar |
| cash_and_equivalents | {"amount": 173683000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2015-08-31 | sec_edgar |
| cash_and_equivalents | {"amount": 156062000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2015-05-31 | sec_edgar |
| cash_and_equivalents | {"amount": 151373000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2015-02-28 | sec_edgar |
| cash_and_equivalents | {"amount": 159895000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2014-11-30 | sec_edgar |
| cash_and_equivalents | {"amount": 156559000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2014-08-31 | sec_edgar |
| cash_and_equivalents | {"amount": 141558000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2014-05-31 | sec_edgar |
| cash_and_equivalents | {"amount": 135879000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2014-02-28 | sec_edgar |
| cash_and_equivalents | {"amount": 117249000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2013-11-30 | sec_edgar |
| cash_and_equivalents | {"amount": 28996000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2013-08-31 | sec_edgar |
| cash_and_equivalents | {"amount": 20531000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2013-05-31 | sec_edgar |
| cash_and_equivalents | {"amount": 30095000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2013-02-28 | sec_edgar |
| cash_and_equivalents | {"amount": 23449000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2012-11-30 | sec_edgar |
| cash_and_equivalents | {"amount": 126507000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2012-02-29 | sec_edgar |
| cash_and_equivalents | {"amount": 98742000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2011-02-28 | sec_edgar |
| cash_and_restricted_cash | {"amount": 97570000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2017-11-30 | sec_edgar |
| cash_and_restricted_cash | {"amount": 126245000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCa | 2017-08-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 127331000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCa | 2017-05-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 120837000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCa | 2017-02-28 | sec_edgar |
| cash_and_restricted_cash | {"amount": 121113000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCa | 2016-11-30 | sec_edgar |
| cash_and_restricted_cash | {"amount": 139830000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCa | 2016-08-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 127684000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCa | 2016-05-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 118654000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCa | 2016-02-29 | sec_edgar |
| cashflow_financing | {"amount": 78503000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2014-02-28 | sec_edgar |
| cashflow_financing | {"amount": 79197000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2013-11-30 | sec_edgar |
| cashflow_financing | {"amount": -127111000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "c | 2013-02-28 | sec_edgar |
| cashflow_financing | {"amount": -126578000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "c | 2012-11-30 | sec_edgar |
| cashflow_financing | {"amount": -5048000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2012-02-29 | sec_edgar |
| cashflow_investing | {"amount": -14913000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2014-02-28 | sec_edgar |
| cashflow_investing | {"amount": -14670000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2013-11-30 | sec_edgar |
| cashflow_investing | {"amount": -8504000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2013-02-28 | sec_edgar |
| cashflow_investing | {"amount": -7019000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2012-11-30 | sec_edgar |
| cashflow_investing | {"amount": -11120000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2012-02-29 | sec_edgar |
| cashflow_operating | {"amount": 54915000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinu | 2017-11-30 | sec_edgar |
| cashflow_operating | {"amount": 31210000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinu | 2017-08-31 | sec_edgar |
| cashflow_operating | {"amount": 20209000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinu | 2017-05-31 | sec_edgar |
| cashflow_operating | {"amount": 65203000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinu | 2017-02-28 | sec_edgar |
| cashflow_operating | {"amount": 47711000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinu | 2016-11-30 | sec_edgar |
| cashflow_operating | {"amount": 32607000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinu | 2016-08-31 | sec_edgar |
| cashflow_operating | {"amount": 12137000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinu | 2016-05-31 | sec_edgar |
| cashflow_operating | {"amount": 49266000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinu | 2016-02-29 | sec_edgar |
| cashflow_operating | {"amount": 33871000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinu | 2015-11-30 | sec_edgar |
| cashflow_operating | {"amount": 28619000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinu | 2015-08-31 | sec_edgar |
| cashflow_operating | {"amount": 6302000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinui | 2015-05-31 | sec_edgar |
| cashflow_operating | {"amount": 54104000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinu | 2015-02-28 | sec_edgar |
| cashflow_operating | {"amount": 33074000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinu | 2014-11-30 | sec_edgar |
| cashflow_operating | {"amount": 20882000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinu | 2014-08-31 | sec_edgar |
| cashflow_operating | {"amount": 5407000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinui | 2014-05-31 | sec_edgar |
| cashflow_operating | {"amount": 42210000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinu | 2014-02-28 | sec_edgar |
| cashflow_operating | {"amount": 22676000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinu | 2013-11-30 | sec_edgar |
| cashflow_operating | {"amount": 12083000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinu | 2013-08-31 | sec_edgar |
| cashflow_operating | {"amount": 194000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinuin | 2013-05-31 | sec_edgar |
| cashflow_operating | {"amount": 39375000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinu | 2013-02-28 | sec_edgar |
| cashflow_operating | {"amount": 30611000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2012-11-30 | sec_edgar |
| cashflow_operating | {"amount": 43926000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2012-02-29 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 53606385, "concept": "us-gaap:CommonStockSharesIssued"} | 2017-11-30 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 53153432, "concept": "us-gaap:CommonStockSharesIssued"} | 2017-08-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 52811301, "concept": "us-gaap:CommonStockSharesIssued"} | 2017-05-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 52897128, "concept": "us-gaap:CommonStockSharesIssued"} | 2017-02-28 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 52748541, "concept": "us-gaap:CommonStockSharesIssued"} | 2016-11-30 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 52270294, "concept": "us-gaap:CommonStockSharesIssued"} | 2016-08-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 52529155, "concept": "us-gaap:CommonStockSharesIssued"} | 2016-05-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 52135194, "concept": "us-gaap:CommonStockSharesIssued"} | 2016-02-29 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 53092522, "concept": "us-gaap:CommonStockSharesIssued"} | 2015-11-30 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 53347890, "concept": "us-gaap:CommonStockSharesIssued"} | 2015-08-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 53191307, "concept": "us-gaap:CommonStockSharesIssued"} | 2015-05-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 52881002, "concept": "us-gaap:CommonStockSharesIssued"} | 2015-02-28 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 52474672, "concept": "us-gaap:CommonStockSharesIssued"} | 2014-11-30 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 51920115, "concept": "us-gaap:CommonStockSharesIssued"} | 2014-08-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 51430238, "concept": "us-gaap:CommonStockSharesIssued"} | 2014-05-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 51045196, "concept": "us-gaap:CommonStockSharesIssued"} | 2014-02-28 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 50850602, "concept": "us-gaap:CommonStockSharesIssued"} | 2013-11-30 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 28091081, "concept": "us-gaap:CommonStockSharesIssued"} | 2013-02-28 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 53672307, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2017-12-29 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 53606385, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2017-11-30 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 53281244, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2017-09-29 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 53153432, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2017-08-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 52968233, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2017-06-30 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 52811301, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2017-05-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 52925162, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2017-03-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 52897128, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2017-02-28 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 52776391, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2016-12-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 52748541, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2016-11-30 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 52303252, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2016-09-30 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 52270294, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2016-08-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 52127092, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2016-06-30 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 52529155, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2016-05-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 52151782, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2016-03-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 52135194, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2016-02-29 | sec_edgar |
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| common_shares_outstanding | {"unit": "shares", "value": 53092522, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2015-11-30 | sec_edgar |
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