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SHORT-TERM INVESTMENTS (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Sep. 30, 2014
Available-for-sale Securities [Abstract]
Cost or Amortized Cost	$ 49,452
Gross Unrealized Losses	(85)
Fair Value	49,367
Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Rolling Maturity [Abstract]
Due in 1-2 years	49,452
Total amortized cost	49,452
Available-for-sale Securities, Debt Maturities, Fair Value, Rolling Maturity [Abstract]
Due in 1-2 years	49,367
Total fair value	49,367
Corporate bonds
Available-for-sale Securities [Abstract]
Cost or Amortized Cost	49,452
Gross Unrealized Losses	(85)
Fair Value	$ 49,367

X

- Definition

Amount of available-for-sale debt securities at cost, net of adjustments, maturing in the first rolling twelve months through the second rolling twelve months following the latest balance sheet presented. Adjustments include, but are not limited to, accretion, amortization, collection of cash, previous other-than-temporary impairments (OTTI) recognized in earnings (less any cumulative-effect adjustments, as defined) and fair value hedge accounting adjustments.

+ References

No definition available.

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Amount of available-for-sale debt securities at fair value maturing in the first rolling twelve months through the second rolling twelve months following the latest balance sheet presented.

+ References

No definition available.

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This item represents the cost of debt securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.2)

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Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

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-Section 25

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+ References

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-Section S99

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Amount of unrealized loss before deducting unrealized gain on investments in available-for-sale securities.

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