Segment Reporting (Reconciliation from Segment Adjusted EBITDA to Net Loss from Continuing Operations) (Details) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2016	Jun. 30, 2016	Sep. 30, 2015
Segment Reporting [Abstract]
Total Segment Adjusted EBITDA	$ 260.6		$ 215.4
Interest expense	(53.3)		(53.8)
(Provision)/benefit for income taxes	(6.6)		(2.7)
Depreciation and amortization expense	(138.5)		(117.1)
Transaction costs	(3.0)
Stock-based compensation	(32.0)		(46.1)
Loss on extinguishment of debt		$ (11.4)
Foreign currency loss on intercompany loans	(11.2)		(10.7)
Non-cash loss on investments	(0.3)		(0.2)
Loss from continuing operations	$ 22.3		$ (12.5)