Income Taxes Reconciliation (Details) |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Apr. 30, 2017 |
Apr. 30, 2016 |
Apr. 30, 2017 |
Apr. 30, 2016 |
|
| Reconconciliation to the Company's effective income tax rate | ||||
| Federal statutory rate (as a percent) | 35.00% | 35.00% | 35.00% | 35.00% |
| Effective income tax rate (as a percent) | 37.50% | 35.00% | 37.40% | 36.40% |