Accrued Liabilities (Tables)

12 Months Ended

Jun. 30, 2016

Payables And Accruals [Abstract]

Schedule of Accrued Liabilities

	June 30,
	2016		2015
		(in millions)
Accrued compensation and benefits	$	27.9	$	19.4
Accrued property and equipment purchases		46.7		54.7
Network expense accruals		94.8		77.2
Other accrued taxes		9.1		12.7
Accrued professional fees		2.3		3.4
Other accruals		44.9		14.8
Total	$	225.7	$	182.2