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STOCK INCENTIVE PLANS AND SHARE-BASED COMPENSATION (Details) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
|
Sep. 30, 2012
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Sep. 30, 2011
|
Sep. 30, 2012
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Sep. 30, 2011
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| Share-based compensation: | ||||
| Share-based compensation | $ 3,726 | $ 3,805 | $ 8,013 | $ 6,822 |
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Cost Of Sales [Member]
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||||
| Share-based compensation: | ||||
| Share-based compensation | 642 | 568 | 1,213 | 1,023 |
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Research and Development Expense [Member]
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||||
| Share-based compensation: | ||||
| Share-based compensation | 947 | 1,031 | 1,847 | 1,671 |
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Selling and Marketing Expense [Member]
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||||
| Share-based compensation: | ||||
| Share-based compensation | 1,246 | 1,213 | 2,330 | 1,932 |
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General and Administrative Expense [Member]
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| Share-based compensation: | ||||
| Share-based compensation | $ 891 | $ 993 | $ 2,623 | $ 2,196 |