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REVISION OF PRIOR PERIOD FINANCIAL STATEMENTS (Narrative) (Details) (USD $)
In Millions, unless otherwise specified |
12 Months Ended | 3 Months Ended | 12 Months Ended | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
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Mar. 31, 2013
Cumulative Overstatement of Revenue and Accounts Receivable [Member]
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Mar. 31, 2013
Overstatement (Understatement) of Revenue [Member]
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Mar. 31, 2012
Overstatement (Understatement) of Revenue [Member]
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Mar. 31, 2011
Overstatement (Understatement) of Revenue [Member]
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Mar. 31, 2013
(Understatement) of Accrual of Sales Commission Expense [Member]
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Jun. 30, 2013
Cumulative Effect to Net Income if Recorded [Member]
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Mar. 31, 2010
Out of Period Correction of DXi OEM Software Revenue [Member]
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Mar. 31, 2011
Out of Period Correction of Royalty Revenue [Member]
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Mar. 31, 2013
Out of Period Correction of Payroll Tax Expense on Commissions [Member]
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Mar. 31, 2012
Out of Period Correction of Payroll Tax Expense on Commissions [Member]
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Mar. 31, 2011
Out of Period Correction of Payroll Tax Expense on Commissions [Member]
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| Error Corrections And Prior Period Adjustments Revisions [Line Items] | |||||||||||
| Amount of error | $ 1.5 | $ 0.1 | $ (0.1) | $ 0.1 | $ (0.7) | $ (2.2) | $ 0.7 | $ (0.5) | $ (0.9) | $ (0.3) | $ (0.6) |