CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Income Statement [Abstract]
Revenue	$ 504.9	$ 366.8
Operating costs and expenses
Operating costs (excluding depreciation and amortization and including stock-based compensation—Note 8)	173.8	113.0
Selling, general and administrative expenses (including stock-based compensation—Note 8)	105.6	84.6
Depreciation and amortization	138.5	117.1
Total operating costs and expenses	417.9	314.7
Operating income	87.0	52.1
Other expenses
Interest expense	(53.3)	(53.8)
Foreign currency loss on intercompany loans	(11.2)	(10.7)
Other expense, net	(0.2)	(0.1)
Total other expenses, net	(64.7)	(64.6)
Income/(loss) from operations before income taxes	22.3	(12.5)
Provision for income taxes	6.6	2.7
Loss from continuing operations	22.3	(12.5)
Net income/(loss)	$ 15.7	$ (15.2)
Weighted-average shares used to compute net income/(loss) per share:
Basic	242.6	243.0
Diluted	244.0	243.0
Net income/(loss) per share:
Basic	$ 0.06	$ (0.06)
Diluted	$ 0.06	$ (0.06)