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SHARE-BASED COMPENSATION (Details 2) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Mar. 31, 2011
Share-based compensation      
Share-based compensation expense $ 34,529 $ 48,454 $ 55,237
Cost Of Sales
     
Share-based compensation      
Share-based compensation expense 5,163 7,446 10,249
Selling, General And Administrative Expenses
     
Share-based compensation      
Share-based compensation expense $ 29,366 $ 41,008 $ 44,988