Condensed Consolidated Statements of Cash Flows(USD ($)) In Millions, unless otherwise specified	9 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2015 IdeaTek System [Member]	Mar. 31, 2015 Colo Facilities Atlanta [Member]	Mar. 31, 2014 Access Communications, Inc [Member]
Cash flows from operating activities
Net loss	$ (160.4)	$ (105.8)
Earnings from discontinued operations, net of income taxes		3.6
Loss from continuing operations	(160.4)	(109.4)
Adjustments to reconcile net loss to net cash provided by operating activities of continuing operations
Depreciation and amortization	293.0	246.9
Loss on extinguishment of debt	85.8	1.9
Non-cash interest expense	16.3	14.9
Non-cash loss on investments	0.5
Stock-based compensation	157.8	165.1
Amortization of deferred revenue	(52.9)	(40.4)
Additions to deferred revenue	123.6	112.6
Provision for bad debts	1.3	1.6
Foreign currency loss/(gain) on intercompany loans	41.2	(0.9)
Deferred income taxes	(20.1)	25.1
Changes in operating assets and liabilities, net of acquisitions
Trade receivables	(18.5)	24.1
Prepaid expenses	(3.5)	(0.8)
Accounts payable and accrued liabilities	(46.4)	(33.1)
Other assets and liabilities	(7.3)	(9.2)
Net cash provided by operating activities of continuing operations	410.4	398.4
Cash flows from investing activities
Purchases of property and equipment	(374.9)	(265.9)
Acquisition, net of cash acquired			(53.6)	(52.5)	(40.1)
Other	(0.1)	(0.3)
Net cash used in investing activities of continuing operations	(1,232.2)	(366.9)
Cash flows from financing activities
Proceeds from debt	1,437.3	150.0
Proceeds from revolving credit facility		45.0
Proceeds from equity offerings	413.7
Direct costs associated with equity offerings	(26.5)
Distribution to parent		(0.4)
Principal payments on long-term debt	(939.8)	(12.9)
Payment of early redemption fees on debt extinguished	(62.6)
Principal repayments on capital lease obligations	(2.4)	(6.9)
Payments on revolving credit facility		(45.0)
Payment of debt issuance costs	(18.8)	(1.7)
Net cash provided by financing activities of continuing operations	800.9	128.1
Cash flows from continuing operations	(20.9)	159.6
Cash flows from discontinued operations
Operating activities		11.8
Investing activities		(4.3)
Financing activities		(4.0)
Cash flows from discontinued operations		3.5
Effect of changes in foreign exchange rates on cash	(2.8)	0.5
Net (decrease)/increase in cash and cash equivalents	(23.7)	163.6
Continuing operations:
Cash and cash equivalents, beginning of year	297.4
Cash flows from continuing operations	(20.9)	159.6
Cash flows from discontinued operations		3.5
Effect of changes in foreign exchange rates on cash	(2.8)	0.5
Cash and cash equivalents, end of period	273.7	254.9
Supplemental disclosure of non-cash investing and financing activities:
Cash paid for interest, net of capitalized interest - continuing operations	176.9	160.2
Cash paid for interest, net of capitalized interest - discontinued operations		0.3
Cash paid for income taxes	12.7	2.7
Non-cash purchases of long-lived assets through capital leasing	6.2	5.6
Increase/(decrease) in accruals for purchases of property and equipment - continuing operations	$ 8.6	$ (12.1)