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SHARE-BASED COMPENSATION - Narrative (Details) (USD $)
9 Months Ended
Dec. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Percentage of common stock price for employees 85.00%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardDiscountFromMarketPriceOfferingDate
Employee Stock Option  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
ESPP shares purchased in period (in shares) 59,897us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
ESPP share price (in USD per share) 46.07us-gaap_SharePrice
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember