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STOCK INCENTIVE PLANS AND SHARE-BASED COMPENSATION (Schedule of Share-based Compensation) (Details) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
|
Sep. 30, 2013
|
Sep. 30, 2012
|
Sep. 30, 2013
|
Sep. 30, 2012
|
|
| Share-based compensation: | ||||
| Share-based compensation | $ 3,491 | $ 3,726 | $ 6,847 | $ 8,013 |
|
Cost of revenue [Member]
|
||||
| Share-based compensation: | ||||
| Share-based compensation | 523 | 642 | 1,051 | 1,213 |
|
Research and development [Member]
|
||||
| Share-based compensation: | ||||
| Share-based compensation | 908 | 947 | 1,776 | 1,847 |
|
Selling and marketing [Member]
|
||||
| Share-based compensation: | ||||
| Share-based compensation | 1,080 | 1,246 | 2,154 | 2,330 |
|
General and administrative [Member]
|
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| Share-based compensation: | ||||
| Share-based compensation | $ 980 | $ 891 | $ 1,866 | $ 2,623 |