GOODWILL (Tables)

6 Months Ended

Jun. 30, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of changes to our goodwill balances by segment

The following table shows changes to our goodwill balances by segment during the six months ended June 30, 2018:

(in millions)	Wisconsin		Illinois		Other States		Non-Utility Energy Infrastructure			Total
Goodwill balance as of January 1, 2018	$	2,104.3	$	758.7	$	183.2	$	7.3		$	3,053.5
Adjustment to Bluewater purchase price allocation (1)	—		—		—		(0.7		)	(0.7		)
Goodwill balance as of June 30, 2018 (2)	$	2,104.3	$	758.7	$	183.2	$	6.6		$	3,052.8

⁽¹⁾  See Note 2, Acquisitions, for more information on the acquisition of Bluewater.

⁽²⁾  We had no accumulated impairment losses related to our goodwill as of June 30, 2018.