INTANGIBLE ASSETS AND GOODWILL - Summary of Carrying Value of Intangible Assets (Details) - USD ($) $ in Thousands |
Sep. 30, 2015 |
Mar. 31, 2015 |
|---|---|---|
| Finite-Lived Intangible Assets [Line Items] | ||
| Gross Amount | $ 250,111 | $ 250,111 |
| Accumulated Amortization | (249,565) | (249,380) |
| Net Amount | 546 | 731 |
| Purchased technology | ||
| Finite-Lived Intangible Assets [Line Items] | ||
| Gross Amount | 179,992 | 179,992 |
| Accumulated Amortization | (179,446) | (179,261) |
| Net Amount | 546 | 731 |
| Trademarks | ||
| Finite-Lived Intangible Assets [Line Items] | ||
| Gross Amount | 3,900 | 3,900 |
| Accumulated Amortization | (3,900) | (3,900) |
| Net Amount | 0 | 0 |
| Customer lists | ||
| Finite-Lived Intangible Assets [Line Items] | ||
| Gross Amount | 66,219 | 66,219 |
| Accumulated Amortization | (66,219) | (66,219) |
| Net Amount | $ 0 | $ 0 |
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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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