CIK 0000074046
| Fakt | Wert | Zeit | Quelle |
|---|---|---|---|
| accounts_payable | {"amount": 13848000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2026-04-30 | sec_edgar |
| accounts_payable | {"amount": 10218000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2026-01-31 | sec_edgar |
| accounts_payable | {"amount": 13945000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2025-10-31 | sec_edgar |
| accounts_payable | {"amount": 16808000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2025-07-31 | sec_edgar |
| accounts_payable | {"amount": 13177000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2025-04-30 | sec_edgar |
| accounts_payable | {"amount": 14004000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2025-01-31 | sec_edgar |
| accounts_payable | {"amount": 13824000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2024-10-31 | sec_edgar |
| accounts_payable | {"amount": 15009000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2024-07-31 | sec_edgar |
| accounts_payable | {"amount": 13728000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2024-04-30 | sec_edgar |
| accounts_payable | {"amount": 12009000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2024-01-31 | sec_edgar |
| accounts_payable | {"amount": 14867000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2023-10-31 | sec_edgar |
| accounts_payable | {"amount": 17101000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2023-07-31 | sec_edgar |
| accounts_payable | {"amount": 11919000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2023-04-30 | sec_edgar |
| accounts_payable | {"amount": 11048000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2023-01-31 | sec_edgar |
| accounts_payable | {"amount": 12088000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2022-10-31 | sec_edgar |
| accounts_payable | {"amount": 13401000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2022-07-31 | sec_edgar |
| accounts_payable | {"amount": 10099000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2022-04-30 | sec_edgar |
| accounts_payable | {"amount": 10145000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2022-01-31 | sec_edgar |
| accounts_payable | {"amount": 10173000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2021-10-31 | sec_edgar |
| accounts_payable | {"amount": 9206000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2021-07-31 | sec_edgar |
| accounts_payable | {"amount": 6912000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2021-04-30 | sec_edgar |
| accounts_payable | {"amount": 7276000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2021-01-31 | sec_edgar |
| accounts_payable | {"amount": 9745000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2020-10-31 | sec_edgar |
| accounts_payable | {"amount": 12529000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2020-07-31 | sec_edgar |
| accounts_payable | {"amount": 10524000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2020-04-30 | sec_edgar |
| accounts_payable | {"amount": 8092000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2019-07-31 | sec_edgar |
| accounts_receivable | {"amount": 69370000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2025-07-31 | sec_edgar |
| accounts_receivable | {"amount": 62171000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2024-07-31 | sec_edgar |
| accounts_receivable | {"amount": 59287000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2023-07-31 | sec_edgar |
| accounts_receivable | {"amount": 51683000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2022-07-31 | sec_edgar |
| accounts_receivable | {"amount": 40923000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2021-07-31 | sec_edgar |
| accounts_receivable | {"amount": 34911000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2020-07-31 | sec_edgar |
| accounts_receivable | {"amount": 35459000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2019-07-31 | sec_edgar |
| accounts_receivable | {"amount": 33602000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2018-07-31 | sec_edgar |
| accounts_receivable | {"amount": 32750000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2017-07-31 | sec_edgar |
| accounts_receivable | {"amount": 30386000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2016-07-31 | sec_edgar |
| accounts_receivable | {"amount": 31466000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2015-07-31 | sec_edgar |
| accounts_receivable | {"amount": 30997000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2014-07-31 | sec_edgar |
| accounts_receivable | {"amount": 31148000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2013-07-31 | sec_edgar |
| accounts_receivable | {"amount": 30225000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2012-07-31 | sec_edgar |
| accounts_receivable | {"amount": 29217000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2011-07-31 | sec_edgar |
| capex | {"amount": 20918000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2026-04-30 | sec_edgar |
| capex | {"amount": 14817000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2026-01-31 | sec_edgar |
| capex | {"amount": 9066000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2025-10-31 | sec_edgar |
| capex | {"amount": 32562000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2025-07-31 | sec_edgar |
| capex | {"amount": 24483000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2025-04-30 | sec_edgar |
| capex | {"amount": 17806000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2025-01-31 | sec_edgar |
| capex | {"amount": 12817000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2024-10-31 | sec_edgar |
| capex | {"amount": 32000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2024-07-31 | sec_edgar |
| capex | {"amount": 23717000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2024-04-30 | sec_edgar |
| capex | {"amount": 15546000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2024-01-31 | sec_edgar |
| capex | {"amount": 8064000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2023-10-31 | sec_edgar |
| capex | {"amount": 24368000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2023-07-31 | sec_edgar |
| capex | {"amount": 16745000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2023-04-30 | sec_edgar |
| capex | {"amount": 12640000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2023-01-31 | sec_edgar |
| capex | {"amount": 6737000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2022-10-31 | sec_edgar |
| capex | {"amount": 22010000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2022-07-31 | sec_edgar |
| capex | {"amount": 16012000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2022-04-30 | sec_edgar |
| capex | {"amount": 10574000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2022-01-31 | sec_edgar |
| capex | {"amount": 6736000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2021-10-31 | sec_edgar |
| capex | {"amount": 18839000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2021-07-31 | sec_edgar |
| capex | {"amount": 10757000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2021-04-30 | sec_edgar |
| capex | {"amount": 7598000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2021-01-31 | sec_edgar |
| capex | {"amount": 3568000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2020-10-31 | sec_edgar |
| capex | {"amount": 14740000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2020-07-31 | sec_edgar |
| capex | {"amount": 10870000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2020-04-30 | sec_edgar |
| capex | {"amount": 7286000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2020-01-31 | sec_edgar |
| capex | {"amount": 3900000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2019-10-31 | sec_edgar |
| capex | {"amount": 15029000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2019-07-31 | sec_edgar |
| capex | {"amount": 10162000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2019-04-30 | sec_edgar |
| capex | {"amount": 6199000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2019-01-31 | sec_edgar |
| capex | {"amount": 4058000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2018-10-31 | sec_edgar |
| capex | {"amount": 15074000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2018-07-31 | sec_edgar |
| capex | {"amount": 10533000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2018-04-30 | sec_edgar |
| capex | {"amount": 6850000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2018-01-31 | sec_edgar |
| capex | {"amount": 4045000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2017-10-31 | sec_edgar |
| capex | {"amount": 14763000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2017-07-31 | sec_edgar |
| capex | {"amount": 10418000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2017-04-30 | sec_edgar |
| capex | {"amount": 7279000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2017-01-31 | sec_edgar |
| capex | {"amount": 4295000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2016-10-31 | sec_edgar |
| capex | {"amount": 10684000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2016-07-31 | sec_edgar |
| capex | {"amount": 7052000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2016-04-30 | sec_edgar |
| capex | {"amount": 4795000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2016-01-31 | sec_edgar |
| capex | {"amount": 1765000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2015-10-31 | sec_edgar |
| capex | {"amount": 15859000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2015-07-31 | sec_edgar |
| capex | {"amount": 13945000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2015-04-30 | sec_edgar |
| capex | {"amount": 9920000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2015-01-31 | sec_edgar |
| capex | {"amount": 5717000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2014-10-31 | sec_edgar |
| capex | {"amount": 18566000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2014-07-31 | sec_edgar |
| capex | {"amount": 13291000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2014-04-30 | sec_edgar |
| capex | {"amount": 6782000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2014-01-31 | sec_edgar |
| capex | {"amount": 3382000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2013-10-31 | sec_edgar |
| capex | {"amount": 9795000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2013-07-31 | sec_edgar |
| capex | {"amount": 7805000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2013-04-30 | sec_edgar |
| capex | {"amount": 5009000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2013-01-31 | sec_edgar |
| capex | {"amount": 2157000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2012-10-31 | sec_edgar |
| capex | {"amount": 6960000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2012-07-31 | sec_edgar |
| capex | {"amount": 5452000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2012-04-30 | sec_edgar |
| capex | {"amount": 3512000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2012-01-31 | sec_edgar |
| capex | {"amount": 1611000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2011-10-31 | sec_edgar |
| capex | {"amount": 13806000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2011-07-31 | sec_edgar |
| capex | {"amount": 10210000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2011-04-30 | sec_edgar |
| capex | {"amount": 4773000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2011-01-31 | sec_edgar |
| capex | {"amount": 1638000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2010-10-31 | sec_edgar |
| capex | {"amount": 10413000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2010-07-31 | sec_edgar |
| cash_and_equivalents | {"amount": 62941000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2026-04-30 | sec_edgar |
| cash_and_equivalents | {"amount": 46933000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2026-01-31 | sec_edgar |
| cash_and_equivalents | {"amount": 42384000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2025-10-31 | sec_edgar |
| cash_and_equivalents | {"amount": 50458000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2025-07-31 | sec_edgar |
| cash_and_equivalents | {"amount": 36475000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2025-04-30 | sec_edgar |
| cash_and_equivalents | {"amount": 22589000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2025-01-31 | sec_edgar |
| cash_and_equivalents | {"amount": 12506000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2024-10-31 | sec_edgar |
| cash_and_equivalents | {"amount": 23481000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2024-07-31 | sec_edgar |
| cash_and_equivalents | {"amount": 46821000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2024-04-30 | sec_edgar |
| cash_and_equivalents | {"amount": 27800000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2024-01-31 | sec_edgar |
| cash_and_equivalents | {"amount": 29579000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2023-10-31 | sec_edgar |
| cash_and_equivalents | {"amount": 31754000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2023-07-31 | sec_edgar |
| cash_and_equivalents | {"amount": 29746000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2023-04-30 | sec_edgar |
| cash_and_equivalents | {"amount": 13951000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2023-01-31 | sec_edgar |
| cash_and_equivalents | {"amount": 10470000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2022-10-31 | sec_edgar |
| cash_and_equivalents | {"amount": 16298000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2022-07-31 | sec_edgar |
| cash_and_equivalents | {"amount": 22825000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2022-04-30 | sec_edgar |
| cash_and_equivalents | {"amount": 29009000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2022-01-31 | sec_edgar |
| cash_and_equivalents | {"amount": 13055000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2021-10-31 | sec_edgar |
| cash_and_equivalents | {"amount": 24591000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2021-07-31 | sec_edgar |
| cash_and_equivalents | {"amount": 30318000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2021-04-30 | sec_edgar |
| cash_and_equivalents | {"amount": 30708000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2021-01-31 | sec_edgar |
| cash_and_equivalents | {"amount": 31291000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2020-10-31 | sec_edgar |
| cash_and_equivalents | {"amount": 40890000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2020-07-31 | sec_edgar |
| cash_and_equivalents | {"amount": 20548000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2020-04-30 | sec_edgar |
| cash_and_equivalents | {"amount": 21569000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2020-01-31 | sec_edgar |
| cash_and_equivalents | {"amount": 19260000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2019-10-31 | sec_edgar |
| cash_and_equivalents | {"amount": 21862000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2019-07-31 | sec_edgar |
| cash_and_equivalents | {"amount": 16224000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2019-04-30 | sec_edgar |
| cash_and_equivalents | {"amount": 9375000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2019-01-31 | sec_edgar |
| cash_and_equivalents | {"amount": 9019000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2018-10-31 | sec_edgar |
| cash_and_equivalents | {"amount": 12757000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2018-07-31 | sec_edgar |
| cash_and_equivalents | {"amount": 10613000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2018-04-30 | sec_edgar |
| cash_and_equivalents | {"amount": 9381000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2018-01-31 | sec_edgar |
| cash_and_equivalents | {"amount": 8401000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2017-10-31 | sec_edgar |
| cash_and_equivalents | {"amount": 9095000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2017-07-31 | sec_edgar |
| cash_and_equivalents | {"amount": 13603000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2017-04-30 | sec_edgar |
| cash_and_equivalents | {"amount": 17560000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2017-01-31 | sec_edgar |
| cash_and_equivalents | {"amount": 15991000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2016-10-31 | sec_edgar |
| cash_and_equivalents | {"amount": 18629000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2016-07-31 | sec_edgar |
| cash_and_equivalents | {"amount": 17194000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2016-04-30 | sec_edgar |
| cash_and_equivalents | {"amount": 13827000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2016-01-31 | sec_edgar |
| cash_and_equivalents | {"amount": 21011000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2015-10-31 | sec_edgar |
| cash_and_equivalents | {"amount": 20138000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2015-07-31 | sec_edgar |
| cash_and_equivalents | {"amount": 14379000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2015-04-30 | sec_edgar |
| cash_and_equivalents | {"amount": 12763000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2015-01-31 | sec_edgar |
| cash_and_equivalents | {"amount": 8406000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2014-10-31 | sec_edgar |
| cash_and_equivalents | {"amount": 16230000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2014-07-31 | sec_edgar |
| cash_and_equivalents | {"amount": 16436000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2014-04-30 | sec_edgar |
| cash_and_equivalents | {"amount": 12082000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2014-01-31 | sec_edgar |
| cash_and_equivalents | {"amount": 17776000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2013-10-31 | sec_edgar |
| cash_and_equivalents | {"amount": 24035000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2013-07-31 | sec_edgar |
| cash_and_equivalents | {"amount": 22649000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2013-04-30 | sec_edgar |
| cash_and_equivalents | {"amount": 25430000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2013-01-31 | sec_edgar |
| cash_and_equivalents | {"amount": 27177000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2012-10-31 | sec_edgar |
| cash_and_equivalents | {"amount": 27093000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2012-07-31 | sec_edgar |
| cash_and_equivalents | {"amount": 25649000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2012-04-30 | sec_edgar |
| cash_and_equivalents | {"amount": 27359000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2012-01-31 | sec_edgar |
| cash_and_equivalents | {"amount": 21000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2011-10-31 | sec_edgar |
| cash_and_equivalents | {"amount": 17885000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2011-07-31 | sec_edgar |
| cash_and_equivalents | {"amount": 15452000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2011-04-30 | sec_edgar |
| cash_and_equivalents | {"amount": 19282000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2011-01-31 | sec_edgar |
| cash_and_equivalents | {"amount": 16099000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2010-10-31 | sec_edgar |
| cash_and_equivalents | {"amount": 18762000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2010-07-31 | sec_edgar |
| cash_and_equivalents | {"amount": 11839000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2009-07-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 62941000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2026-04-30 | sec_edgar |
| cash_and_restricted_cash | {"amount": 46933000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2026-01-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 42384000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2025-10-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 50458000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2025-07-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 36475000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2025-04-30 | sec_edgar |
| cash_and_restricted_cash | {"amount": 22589000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2025-01-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 13506000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2024-10-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 24481000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2024-07-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 46821000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2024-04-30 | sec_edgar |
| cash_and_restricted_cash | {"amount": 27800000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2024-01-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 29579000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2023-10-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 31754000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2023-07-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 29746000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2023-04-30 | sec_edgar |
| cash_and_restricted_cash | {"amount": 13951000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2023-01-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 10470000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2022-10-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 16298000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2022-07-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 22825000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2022-04-30 | sec_edgar |
| cash_and_restricted_cash | {"amount": 29009000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2022-01-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 13055000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2021-10-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 24591000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2021-07-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 30318000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2021-04-30 | sec_edgar |
| cash_and_restricted_cash | {"amount": 40890000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2020-07-31 | sec_edgar |
| cashflow_financing | {"amount": -20163000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2026-04-30 | sec_edgar |
| cashflow_financing | {"amount": -17241000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2026-01-31 | sec_edgar |
| cashflow_financing | {"amount": -9404000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2025-10-31 | sec_edgar |
| cashflow_financing | {"amount": -21744000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2025-07-31 | sec_edgar |
| cashflow_financing | {"amount": -18523000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2025-04-30 | sec_edgar |
| cashflow_financing | {"amount": -16358000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2025-01-31 | sec_edgar |
| cashflow_financing | {"amount": -9080000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2024-10-31 | sec_edgar |
| cashflow_financing | {"amount": 8326000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curr | 2024-07-31 | sec_edgar |