CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED) - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2016	Mar. 31, 2015
Income Statement [Abstract]
Revenue	$ 478.0	$ 340.7	$ 1,214.4	$ 985.2
Operating costs and expenses
Operating costs (excluding depreciation and amortization and including stock-based compensation-Note 8)	170.8	100.9	396.0	306.0
Selling, general and administrative expenses (including stock-based compensation-Note 8)	112.5	83.0	282.1	271.9
Depreciation and amortization	137.2	100.1	368.0	293.0
Total operating costs and expenses	420.5	284.0	1,046.1	870.9
Operating income/(loss)	57.5	56.7	168.3	114.3
Other expenses
Interest expense	(57.7)	(60.7)	(162.7)	(161.0)
Loss on extinguishment of debt		(54.9)		(85.8)
Foreign currency loss on intercompany loans	(11.1)	(13.2)	(28.9)	(41.2)
Other expense, net	(0.2)		(0.4)	(0.1)
Total other expenses, net	(69.0)	(128.8)	(192.0)	(288.1)
Loss from operations before income taxes	(11.5)	(72.1)	(23.7)	(173.8)
Provision for income taxes	7.8	(18.4)	21.6	(13.4)
Net loss	$ (19.3)	$ (53.7)	$ (45.3)	$ (160.4)
Weighted-average shares used to compute net loss per share:
Basic and Diluted	243.3	239.6	243.7	232.9
Net loss per share:
Basic and Diluted	$ (0.08)	$ (0.22)	$ (0.19)	$ (0.69)