Information about Geographic Areas - Revenues by Geographic Area (Detail) - USD ($) $ in Thousands |
3 Months Ended | ||||
|---|---|---|---|---|---|
Apr. 30, 2018 |
Apr. 30, 2017 |
||||
| Revenues by geography | |||||
| Total revenues | $ 195,547 | $ 159,772 | [1] | ||
| North America [Member] | |||||
| Revenues by geography | |||||
| Total revenues | 109,277 | 86,901 | |||
| Europe and other [Member] | |||||
| Revenues by geography | |||||
| Total revenues | 56,982 | 48,398 | |||
| Asia Pacific [Member] | |||||
| Revenues by geography | |||||
| Total revenues | $ 29,288 | $ 24,473 | |||
| |||||