BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES (Details 9)	12 Months Ended
	Mar. 31, 2013
Stock options
Stock-based compensation
Vesting period	3 years
Stock options | Minimum
Stock-based compensation
Vesting period	3 years
Stock options | Maximum
Stock-based compensation
Vesting period	4 years
Time-based restricted shares
Stock-based compensation
Vesting period	3 years
Market-based restricted shares | Minimum
Stock-based compensation
Vesting period	3 years
Market-based restricted shares | Maximum
Stock-based compensation
Vesting period	4 years