CAPITAL STOCK (Details) (USD $) In Millions, except Share data, unless otherwise specified	12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2008
Preferred Stock Purchase Rights [Abstract]
Authorized but unissued preferred stock (in shares)	5,000,000	5,000,000
Stock Repurchase Plans [Abstract]
Repurchase of common stock (in shares)	300,000	8,600,000	2,300,000
Preferred Stock Purchase Rights [Member] | Series A Preferred Stock [Member]
Preferred Stock Purchase Rights [Abstract]
Number of rights attached to each share of common stock	1
Purchase price (in dollars per right)	$ 40
Beneficial ownership of the outstanding common stock, under stock purchase rights (in hundredths)	20.00%
Discount from current market value (in hundredths)	50.00%
Preferred stock, shares designated as "Series A Junior Participating Preferred Stock" (in shares)	800,000
Preferred stock, par value (in dollars per share)	$ 0.001
Stock Repurchase Plans [Member]
Stock Repurchase Plans [Abstract]
Stock repurchase program, authorized amount				$ 750.0
Repurchase of common stock (in shares)	528,133	155,880	156,155
Stock repurchase program, remaining authorized repurchase amount	$ 139.5