Balance Sheet Information - Property and Equipment, Net (Detail) - USD ($) $ in Thousands |
May 31, 2016 |
Feb. 29, 2016 |
|---|---|---|
| Property, Plant and Equipment [Line Items] | ||
| Property and equipment, gross | $ 53,646 | $ 51,689 |
| Accumulated depreciation and amortization | (22,178) | (19,779) |
| Property and equipment, net | 31,468 | 31,910 |
| Land | ||
| Property, Plant and Equipment [Line Items] | ||
| Property and equipment, gross | 9,822 | 9,578 |
| Building | ||
| Property, Plant and Equipment [Line Items] | ||
| Property and equipment, gross | 6,549 | 6,549 |
| Computer hardware and software | ||
| Property, Plant and Equipment [Line Items] | ||
| Property and equipment, gross | 28,103 | 26,450 |
| Vehicles, machinery and equipment | ||
| Property, Plant and Equipment [Line Items] | ||
| Property and equipment, gross | 4,709 | 4,711 |
| Leasehold improvements | ||
| Property, Plant and Equipment [Line Items] | ||
| Property and equipment, gross | $ 4,463 | $ 4,401 |