COMMON STOCK REPURCHASES (Details) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2012
Equity, Class of Treasury Stock [Line Items]
Payments for Repurchase of Common Stock	$ 85,654	$ 23,931	$ 273,791
Stock Repurchase Program, Remaining Number of Shares Authorized to be Repurchased	932,500
Treasury Stock, Value, Acquired, Cost Method	85,654	23,931	273,791
Employees Taxes Withheld And Paid For Restricted Stock And Restricted Stock Units	6,222	3,047	2,596
Treasury Stock, Shares, Retired	0	5,398,376	5,000,000
Treasury Stock, Retired, Cost Method, Amount		0	0
Share Repurchases, Total
Equity, Class of Treasury Stock [Line Items]
Treasury Stock, Shares, Acquired	1,949,407	751,706	8,027,287
Payments for Repurchase of Common Stock	85,700	23,900	273,800
Open Market Repurchases
Equity, Class of Treasury Stock [Line Items]
Treasury Stock, Shares, Acquired	1,949,407	751,706	3,699,517
Payments for Repurchase of Common Stock	85,700	23,900	123,800
Treasury Stock Acquired, Average Cost Per Share	$ 43.94	$ 31.84	$ 33.46
Accelerated Share Repurchases, Total
Equity, Class of Treasury Stock [Line Items]
Treasury Stock, Shares, Acquired			4,327,770
Accelerated Share Repurchase
Equity, Class of Treasury Stock [Line Items]
Treasury Stock Acquired, Average Cost Per Share			$ 34.66
Treasury Stock, Value, Acquired, Cost Method			150,000
Treasury Stock
Equity, Class of Treasury Stock [Line Items]
Treasury Stock, Value, Acquired, Cost Method	85,654	23,931	273,791
Treasury Stock, Retired, Cost Method, Amount		$ 176,344	$ 177,106