GOODWILL AND INTANGIBLE ASSETS - Schedule of Changes in Carrying Amount of Goodwill (Details) $ in Thousands	6 Months Ended
	Sep. 30, 2015 USD ($)
Goodwill [Roll Forward]
Balance at March 31, 2015	$ 197,445
Goodwill acquired during period	1,504,261
Foreign currency translation impact for the six months ended September 30, 2015	999
Balance at September 30, 2015	$ 1,702,705