Balance Sheet and Statement of Operations Components Stock-Based Compensation Expense (Details) - USD ($) $ in Thousands |
3 Months Ended | |
|---|---|---|
Jan. 31, 2017 |
Jan. 31, 2016 |
|
| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] | ||
| Total stock-based compensation expense | $ 9,553 | $ 10,460 |
| Cost of net revenues | ||
| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] | ||
| Total stock-based compensation expense | 930 | 812 |
| Research and development | ||
| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] | ||
| Total stock-based compensation expense | 1,568 | 1,908 |
| Sales and marketing | ||
| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] | ||
| Total stock-based compensation expense | 2,587 | 3,259 |
| General and administrative | ||
| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] | ||
| Total stock-based compensation expense | $ 4,468 | $ 4,481 |