Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill [Table Text Block]

The following table summarizes changes to goodwill by reportable segment:

	U.S. Water Services
Millions
Balance as of December 31, 2016		$131.2
Acquired Goodwill (a)	16.9
Other Adjustments (b)	0.2
Balance as of December 31, 2017	148.3
Other Adjustments (b)	0.2
Balance as of December 31, 2018		$148.5

(a) See Note 6. Acquisitions.

(b) Finalization of purchase price accounting for U.S. Water Services’ acquisition of WEST was completed in 2017 and acquisition of Tonka Water was completed in 2018 resulting in adjustments in those periods to the goodwill recorded at the time of acquisition.

Schedule of Intangible Assets [Table Text Block]

The following table summarizes changes to intangible assets, net, for the year ended December 31, 2018:

	December 31, 2017		Additions		Amortization	December 31, 2018
Millions
Intangible Assets
Definite-Lived Intangible Assets
Customer Relationships		$54.7		$0.2	$(4.2)		$50.7
Developed Technology and Other (a)	6.3		2.6		(1.4)	7.5
Total Definite-Lived Intangible Assets	61.0		2.8		(5.6)	58.2
Indefinite-Lived Intangible Assets
Trademarks and Trade Names	16.6		—		n/a	16.6
Total Intangible Assets		$77.6		$2.8	$(5.6)		$74.8

(a) Developed Technology and Other includes patents, non-compete agreements, land easements and trade names with finite lives.