(3) GOODWILL

The Company’s goodwill balance was $1,222.2 million and $1,224.4 million as of December 31, 2015 and June 30, 2015, respectively.

The Company’s reporting units are comprised of its strategic product groups (“SPGs”): Zayo Dark Fiber (“Dark Fiber”), Zayo Wavelength Services (“Waves”), Zayo SONET Services (“SONET”), Zayo Ethernet Services (“Ethernet”), Zayo IP Services (“IP”), Zayo Mobile Infrastructure Group (“MIG”), Zayo Colocation (“zColo"), Zayo Cloud Services (“Cloud”) and Other (primarily ZPS).

The following reflects the changes in the carrying amount of goodwill during the six months ended December 31, 2015:


Product Group	As of June 30, 2015		Fiscal 2016 Acquisitions		Adjustments to Fiscal 2015 Acquisitions		Foreign Currency Translation and Other		As of December 31, 2015
	(in millions)
Dark Fiber	$	299.1	$	5.3	$	—	$	(5.8)	$	298.6
Waves		265.6		2.3		—		(3.1)		264.8
Sonet		50.3		1.5		—		—		51.8
Ethernet		104.2		1.3		—		(0.1)		105.4
IP		86.3		0.2		—		(0.2)		86.3
MIG		73.4		—		0.3		—		73.7
zColo		273.2		1.5		(5.1)		(0.2)		269.4
Cloud		57.0		—		—		(0.1)		56.9
Other		15.3		—		—		—		15.3
Total	$	1,224.4	$	12.1	$	(4.8)	$	(9.5)	$	1,222.2

During the six months ended December 31, 2015, the Company recorded adjustments to its provisional accounting estimates primarily associated with deferred tax asset balances acquired from the IdeaTek and Latisys acquisitions, which resulted in a $4.8 million reduction to goodwill.