Segment Reporting (Reconciliation from Segment Adjusted EBITDA to Net Loss from Continuing Operations) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014
Segment Reporting [Abstract]
Total Segment Adjusted EBITDA	$ 218.9	$ 189.7	$ 434.3	$ 372.7
Interest expense	(51.2)	(53.4)	(105.0)	(100.3)
Depreciation and amortization expense	(113.7)	(96.9)	(230.8)	(192.9)
Transaction costs	(3.3)	(1.3)	(3.3)	(4.8)
Stock-based compensation	(42.9)	6.0	(89.0)	(117.1)
Loss on extinguishment of debt		(30.9)		(30.9)
Unrealized foreign currency loss	(7.1)	(13.3)	(17.8)	(27.9)
Non-cash loss on investments	(0.4)	(0.5)	(0.6)	(0.5)
Provision for income taxes	(11.1)	4.4	(13.8)	(5.0)
Loss from operations before income taxes	$ 0.3	$ (0.6)	$ (12.2)	$ (101.7)