SHARE-BASED COMPENSATION (Details 4) (USD $) In Millions, except Share data, unless otherwise specified	12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2012
SHARE-BASED COMPENSATION
Outstanding, beginning of fiscal year, Options (in shares)	34,405,564	43,933,660	53,942,458
Granted (in shares)		19,000	599,800
Exercised, Options (in shares)	(6,572,383)	(5,398,331)	(5,879,405)
Forfeited, Options (in shares)	(4,220,309)	(4,148,765)	(4,729,193)
Outstanding, end of fiscal year, Options (in shares)	23,612,872	34,405,564	43,933,660
Options exercisable, end of fiscal year, Options (in shares)	23,373,101	33,662,480	37,021,049
Outstanding, beginning of fiscal year, Price (in dollars per share)	$ 8.29	$ 7.78	$ 7.61
Granted, Price (in dollars per share)		$ 6.57	$ 6.80
Exercised, Price (in dollars per share)	$ 4.28	$ 4.12	$ 3.92
Forfeited, Price (in dollars per share)	$ 12.93	$ 8.32	$ 10.45
Outstanding, end of fiscal year, Price (in dollars per share)	$ 8.57	$ 8.29	$ 7.78
Options exercisable, end of fiscal year, Price (in dollars per share)	$ 8.58	$ 8.31	$ 8.44
Aggregate intrinsic value of options exercisable	$ 24.7	$ 13.0	$ 17.1
Cash received from option exercises	$ 28.1	$ 22.3	$ 23.1