CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2015	Mar. 31, 2014
Income Statement [Abstract]
Revenue	$ 340.7	$ 281.4	$ 985.2	$ 826.5
Operating costs and expenses
Operating costs (excluding depreciation and amortization)	100.9	85.1	306.0	251.1
Selling, general and administrative expenses	83.0	96.3	271.9	259.1
Depreciation and amortization	100.1	84.2	293.0	246.9
Total operating costs and expenses	284.0	265.6	870.9	757.1
Operating income	56.7	15.8	114.3	69.4
Other expenses
Interest expense	(60.7)	(49.1)	(161.0)	(150.9)
Loss on extinguishment of debt	(54.9)		(85.8)	(1.9)
Foreign currency (loss)/gain on intercompany loans	(13.2)	0.1	(41.2)	0.9
Other (expense)/income, net			(0.1)	0.3
Total other expenses, net	(128.8)	(49.0)	(288.1)	(151.6)
Loss from operations before income taxes	(72.1)	(33.2)	(173.8)	(82.2)
(Benefit)/provision for income taxes	(18.4)	9.5	(13.4)	27.2
Loss from continuing operations	(53.7)	(42.7)	(160.4)	(109.4)
Earnings from discontinued operations, net of income taxes		1.1		3.6
Net loss	$ (53.7)	$ (41.6)	$ (160.4)	$ (105.8)
Weighted-average shares used to compute net income/(loss) per share:
Basic and diluted	240	223	233	223
Loss from continuing operations per share:
Basic and diluted	$ (0.22)	$ (0.19)	$ (0.69)	$ (0.49)
Earnings from discontinued operations per share
Basic and diluted		$ 0.01		$ 0.02
Net loss per share
Basic and diluted	$ (0.22)	$ (0.18)	$ (0.69)	$ (0.47)