Quarterly report pursuant to Section 13 or 15(d)

FAIR VALUE (Schedule of Fair Value of Money Market Funds) (Details)

v2.4.1.9
FAIR VALUE (Schedule of Fair Value of Money Market Funds) (Details) (Level 1 fair value measurements, Money market funds, USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Mar. 31, 2014
Level 1 fair value measurements | Money market funds
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Money market funds $ 65,562us-gaap_CashAndCashEquivalentsFairValueDisclosure
/ us-gaap_FairValueByAssetClassAxis
= us-gaap_MoneyMarketFundsMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel1Member
$ 93,077us-gaap_CashAndCashEquivalentsFairValueDisclosure
/ us-gaap_FairValueByAssetClassAxis
= us-gaap_MoneyMarketFundsMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel1Member