Goodwill (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Dec. 31, 2015	Jun. 30, 2015
Goodwill [Roll Forward]
Goodwill, Beginning Balance	$ 2,189,816	$ 2,188,569
Goodwill acquired	18,509	8,946
Foreign currency translation	(4,657)	(7,699)
Goodwill, Ending Balance	$ 2,203,668	$ 2,189,816