SHARE-BASED COMPENSATION (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2014	Dec. 31, 2013
Share-based compensation
Share-based compensation expense	$ 14,219	$ 13,111	$ 36,821	$ 30,417
Cost of sales
Share-based compensation
Share-based compensation expense	2,083	1,800	5,562	5,018
Selling, general and administrative expenses
Share-based compensation
Share-based compensation expense	$ 12,136	$ 11,311	$ 31,259	$ 25,399