COMMON STOCK REPURCHASES (Details) (USD $) In Thousands, except Share data, unless otherwise specified	6 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Equity [Abstract]
Remaining shares authorized for repurchase under program	513,459
Shares repurchased	419,041	607,033
Total cost of shares repurchased	$ 18,917	$ 27,313
Average cost per share of shares repurchased	$ 45.14	$ 44.99
Value of shares withheld in satisfaction of employee tax withholding obligations	$ 6,235	$ 4,369