Balance Sheet and Statement of Income Details - Activity Related to Accrued Warranty (Detail) - USD ($) $ in Thousands |
6 Months Ended | |
|---|---|---|
Apr. 30, 2016 |
Apr. 30, 2015 |
|
| Disclosure - Activity Related to Accrued Warranty [Abstract] | ||
| Balance at beginning of period | $ 16,320 | $ 15,411 |
| Warranty charged to Cost of net revenues | 7,156 | 5,977 |
| Utilization of warranty accrual | (7,348) | (5,434) |
| Other | 124 | (869) |
| Balance at end of period | 16,252 | 15,085 |
| Less: current portion | (12,918) | (12,824) |
| Long-term portion | $ 3,334 | $ 2,261 |