GOODWILL AND INTANGIBLE ASSETS - Schedule of Changes in Carrying Amount of Goodwill (Details) $ in Thousands	9 Months Ended
	Dec. 31, 2015 USD ($)
Goodwill [Roll Forward]
Balance at March 31, 2015	$ 197,445
Goodwill acquired during the quarter ended September 30, 2015	1,504,261
Deferred revenue adjustments	(6,490)
Change in assumptions for assumed liabilities	(3,180)
Adjust tax effect on equity consideration	(3,271)
Foreign currency translation impact for the nine months ended December 31, 2015	(30)
Balance at December 31, 2015	1,693,876
Delayed Close Entities
Goodwill [Roll Forward]
Goodwill acquired during the quarter ended September 30, 2015	$ 5,141