Intangible Assets 4 (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Apr. 30, 2017 |
Apr. 30, 2016 |
Apr. 30, 2017 |
Apr. 30, 2016 |
|
| Amortization Expense | ||||
| Amortizing intangible assets amortization expense | $ 2,200 | $ 2,200 | $ 4,500 | $ 4,400 |
| Estimated amortization expense | ||||
| Remaining 2017 | 4,478 | 4,478 | ||
| 2018 | 8,927 | 8,927 | ||
| 2019 | 4,978 | 4,978 | ||
| 2020 | 3,807 | 3,807 | ||
| 2021 | 2,282 | 2,282 | ||
| 2022 | 2,154 | 2,154 | ||
| Acquired Amortizable Intangible Assets [Member] | ||||
| Amortization Expense | ||||
| Amortizing intangible assets amortization expense | 100 | 200 | ||
| Estimated amortization expense | ||||
| Remaining 2017 | 237 | 237 | ||
| 2018 | 474 | 474 | ||
| 2019 | 474 | 474 | ||
| 2020 | 297 | 297 | ||
| 2021 | 261 | 261 | ||
| 2022 | $ 261 | $ 261 | ||