CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Mar. 31, 2019	Mar. 31, 2018
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS
Revenue	$ 647.2	$ 649.0	$ 1,927.4	$ 1,945.2
Operating costs and expenses
Operating costs (excluding depreciation and amortization and including stock-based compensation—Note 9)	226.3	234.9	676.7	702.6
Selling, general and administrative expenses (including stock-based compensation—Note 9)	128.1	117.7	375.7	368.0
Depreciation and amortization	161.2	190.9	475.9	570.4
Total operating costs and expenses	515.6	543.5	1,528.3	1,641.0
Operating income	131.6	105.5	399.1	304.2
Other expenses
Interest expense	(86.4)	(75.3)	(252.6)	(222.0)
Loss on extinguishment of debt				(4.9)
Foreign currency gain/(loss) on intercompany loans	7.1	13.9	(5.8)	27.8
Other income, net	0.4	0.4	7.3	1.7
Total other expenses, net	(78.9)	(61.0)	(251.1)	(197.4)
Income from operations before income taxes	52.7	44.5	148.0	106.8
Provision for income taxes	18.0	21.0	61.0	46.8
Net income	$ 34.7	$ 23.5	$ 87.0	$ 60.0
Weighted-average shares used to compute net income per share:
Basic	234.9	248.1	239.5	247.3
Diluted	235.8	249.7	240.9	248.7
Net income per share:
Basic and diluted	$ 0.15	$ 0.09	$ 0.36	$ 0.24