CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS
Revenue	$ 653.7	$ 639.1	$ 1,292.3	$ 1,280.2
Operating costs and expenses
Operating costs (excluding depreciation and amortization and including stock-based compensation-Note 9)	232.2	222.0	463.2	450.4
Selling, general and administrative expenses (including stock-based compensation-Note 9)	123.1	125.5	245.7	247.6
Depreciation and amortization	157.9	146.9	314.0	314.7
Total operating costs and expenses	513.2	494.4	1,022.9	1,012.7
Operating income	140.5	144.7	269.4	267.5
Other expenses
Interest expense	(82.0)	(84.0)	(166.7)	(166.2)
Foreign currency gain/(loss) on intercompany loans	27.4	(8.3)	14.5	(12.9)
Other income, net	0.6	0.3	1.2	6.9
Total other expenses, net	(54.0)	(92.0)	(151.0)	(172.2)
Income from operations before income taxes	86.5	52.7	118.4	95.3
Provision for income taxes	25.1	22.5	39.1	43.0
Net income	$ 61.4	$ 30.2	$ 79.3	$ 52.3
Weighted-average shares used to compute net income per share:
Basic	236.8	237.1	236.5	241.8
Diluted	239.5	238.8	239.1	243.5
Net income per share:
Basic (in dollars per share)	$ 0.26	$ 0.13	$ 0.34	$ 0.22
Diluted (in dollars per share)	$ 0.26	$ 0.13	$ 0.33	$ 0.21