SEGMENT INFORMATION (Schedule of Segment Information) (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|---|
Nov. 30, 2016 |
Nov. 30, 2015 |
Nov. 30, 2016 |
Nov. 30, 2015 |
Feb. 29, 2016 |
|
| Segment Reporting Information [Line Items] | |||||
| Revenues | $ 83,350 | $ 74,675 | $ 264,976 | $ 209,912 | |
| Gross profit | $ 35,117 | $ 26,574 | $ 107,565 | $ 75,403 | |
| Gross margin | 42.10% | 35.60% | 40.60% | 35.90% | |
| Operating income | $ 1,793 | $ 8,613 | $ 3,661 | $ 23,555 | |
| Operating Segments [Member] | Wireless Datacom [Member] | |||||
| Segment Reporting Information [Line Items] | |||||
| Revenues | 83,350 | 62,842 | 249,907 | 182,487 | |
| Gross profit | $ 35,117 | $ 23,416 | $ 103,836 | $ 68,102 | |
| Gross margin | 42.10% | 37.30% | 41.50% | 37.30% | |
| Operating income | $ 3,171 | $ 7,389 | $ 9,243 | $ 21,808 | |
| Operating Segments [Member] | Satellite [Member] | |||||
| Segment Reporting Information [Line Items] | |||||
| Revenues | 11,833 | 15,069 | 27,425 | ||
| Gross profit | $ 3,158 | $ 3,729 | $ 7,301 | ||
| Gross margin | 26.70% | 24.70% | 26.60% | ||
| Operating income | $ 2,415 | $ 1,547 | $ 5,192 | ||
| Corporate, Non-Segment [Member] | |||||
| Segment Reporting Information [Line Items] | |||||
| Operating income | $ (1,378) | $ (1,191) | $ (7,129) | $ (3,445) | $ (6,480) |