Goodwill (Tables)

12 Months Ended

Jun. 30, 2015

Goodwill And Intangible Assets Disclosure [Abstract]

Schedule Of Goodwill

The following reflects the changes in the carrying amount of goodwill during Fiscal 2015 (in millions):

Product Group	As of July 1, 2014		Fiscal 2015 Acquisitions		Foreign Currency Translation and Other			As of June 30, 2015
Dark Fiber	$	293.3	$	16.0	$	(10.2	)	$	299.1
Waves		269.0		1.4		(4.8	)		265.6
Sonet		50.3	—		—				50.3
Ethernet		96.7		8.2		(0.7	)		104.2
IP		80.5		6.8		(1.0	)		86.3
MIG		43.7		29.8		(0.1	)		73.4
zColo		18.6		256.0		(1.4	)		273.2
Cloud	—			57.2		(0.2	)		57.0
Other		14.6		0.9		(0.2	)		15.3
Total	$	866.7	$	376.3	$	(18.6	)	$	1,224.4

The following reflects the changes in the carrying amount of goodwill during Fiscal 2014 (in millions):

Product Group	As of July 1, 2013		Fiscal 2014 Acquisitions		Foreign Currency Translation and Other		As of June 30, 2014
Dark Fiber	$	193.3	$	97.4	$	2.6	$	293.3
Waves		215.9		49.6		3.5		269.0
Sonet		50.3	—		—			50.3
Ethernet		91.7		4.9		0.1		96.7
IP		80.1		0.2		0.2		80.5
MIG		38.3		5.4	—			43.7
zColo		11.9		6.4		0.3		18.6
Other		7.3	—			7.3		14.6
Total	$	688.8	$	163.9	$	14.0	$	866.7