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INTANGIBLE ASSETS AND GOODWILL (Details) (USD $)
In Thousands, unless otherwise specified |
Dec. 31, 2012
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Mar. 31, 2012
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|---|---|---|
| Gross Amount | $ 293,432 | $ 293,241 |
| Accumulated Amortization | (278,553) | (267,478) |
| Net Amount | 14,879 | 25,763 |
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Purchased Technology [Member]
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| Gross Amount | 183,113 | 182,922 |
| Accumulated Amortization | (180,300) | (176,893) |
| Net Amount | 2,813 | 6,029 |
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Trademarks [Member]
|
||
| Gross Amount | 3,900 | 3,900 |
| Accumulated Amortization | (3,900) | (3,656) |
| Net Amount | 0 | 244 |
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Customer Lists [Member]
|
||
| Gross Amount | 106,419 | 106,419 |
| Accumulated Amortization | (94,353) | (86,929) |
| Net Amount | $ 12,066 | $ 19,490 |
| X | ||||||||||
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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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| X | ||||||||||
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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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| X | ||||||||||
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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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