SHARE-BASED COMPENSATION (Details 7) (USD $) In Millions, except Share data, unless otherwise specified	12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2012
Share-based compensation
Shares issued		19,000	599,800
Average exercise price of options issued ( in dollars per share)		$ 6.57	$ 6.80
Shares cancelled	4,220,309	4,148,765	4,729,193
Number of options exercised	6,572,383	5,398,331	5,879,405
Shares available for grants	38,100,000
Stock options
Share-based compensation
Shares issued	0
Weighted average fair value (in dollars per share)		$ 2.48	$ 2.57
Vesting period	4 years
Expiration period of options issued	7 years	7 years	7 years
Expected Dividend (as a percent)		0.00%	0.00%
Stock options | Elementum
Share-based compensation
Shares issued	8,300,000
Weighted average fair value (in dollars per share)	$ 0.19
Average exercise price of options issued ( in dollars per share)	$ 0.17
Vesting period	4 years
Shares cancelled	1,900,000
Options outstanding, net of options cancelled	6,400,000
Average exercise price of options, net of options cancelled ( in dollars per share)	$ 0.19
Expiration period of options issued	10 years
Number of options exercised	0
Shares available for grants	6,600,000
Expected Dividend (as a percent)	0.00%
Total unrecognized compensation expenses	$ 3.1
Unrecognized compensation expenses will be recognized over a weighted average period	3 years 9 months