Goodwill and Intangible Assets

12 Months Ended

Dec. 31, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Intangible Assets [Text Block]

GOODWILL AND INTANGIBLE ASSETS

The following table summarizes changes to goodwill by reportable segment for the year ended December 31, 2015:



	ALLETE Clean Energy		U.S. Water Services		Total
Millions
Balance as of December 31, 2014		$2.9	—			$2.9
Acquired Goodwill	0.4			$127.3	127.7
Balance as of December 31, 2015		$3.3		$127.3		$130.6

Balances of intangible assets, net, excluding goodwill as of December 31, 2015, are as follows:



	December 31, 2014		Additions (a)		Amortization	Other (b)	December 31, 2015
Millions
Intangible Assets
Definite-Lived Intangible Assets
Customer Relationships	—			$64.0	$(3.2)	—		$60.8
Developed Technology and Other (c)		$1.9	6.4		(0.8)	$(0.3)	7.2
Total Definite-Lived Intangible Assets	1.9		70.4		(4.0)	(0.3)	68.0
Indefinite-Lived Intangible Assets
Trademarks and Trade Names	—		16.6		n/a	—	16.6
Total Intangible Assets		$1.9		$87.0	$(4.0)	$(0.3)		$84.6


(a)	Additions are primarily the result of the U.S. Water Services acquisition. (See Note 7. Acquisitions.)


(b)	Armenia Mountain was acquired on July 1, 2015, at which time the purchase option intangible asset was reclassified as a component of the acquisition consideration.


(c)	Developed Technology and Other includes patents, non-compete agreements, and land easements.

NOTE 8. GOODWILL AND INTANGIBLE ASSETS (Continued)

Customer relationships have a useful life of approximately 22 years and developed technology and other have useful lives ranging from approximately 3 years to approximately 13 years (weighted average of approximately 9 years). The weighted average useful life of all definite-lived intangible assets as of December 31, 2015, is approximately 21 years.

Amortization expense of intangible assets for the year ended December 31, 2015, was $4.0 million. Accumulated amortization was $4.1 million and $0.1 million as of December 31, 2015, and December 31, 2014, respectively. Estimated annual amortization expense for definite-lived intangible assets is $5.1 million in 2016, $5.0 million in 2017, $4.7 million in 2018, $4.4 million in 2019, $4.2 million in 2020, and $44.6 million thereafter.

- Definition

The entire disclosure for the aggregate amount of goodwill and a description of intangible assets, which may include (a) for amortizable intangible assets (also referred to as finite-lived intangible assets), the carrying amount, the amount of any significant residual value, and the weighted-average amortization period, (b) for intangible assets not subject to amortization (also referred to as indefinite-lived intangible assets), the carrying amount, and (c) the amount of research and development assets acquired and written off in the period, including the line item in the income statement in which the amounts written off are aggregated, if not readily apparent from the income statement. Also discloses (a) for amortizable intangibles assets in total and by major class, the gross carrying amount and accumulated amortization, the total amortization expense for the period, and the estimated aggregate amortization expense for each of the five succeeding fiscal years, (b) for intangible assets not subject to amortization the carrying amount in total and by major class, and (c) for goodwill, in total and for each reportable segment, the changes in the carrying amount of goodwill during the period (including the aggregate amount of goodwill acquired, the aggregate amount of impairment losses recognized, and the amount of goodwill included in the gain (loss) on disposal of a reporting unit). If any part of goodwill has not been allocated to a reportable segment, discloses the unallocated amount and the reasons for not allocating. For each impairment loss recognized related to an intangible asset (excluding goodwill), discloses: (a) a description of the impaired intangible asset and the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method for determining fair value, (c) the caption in the income statement or the statement of activities in which the impairment loss is aggregated, and (d) the segment in which the impaired intangible asset is reported. For each goodwill impairment loss recognized, discloses: (a) a description of the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method of determining the fair value of the associated reporting unit, and (c) if a recognized impairment loss is an estimate not finalized and the reasons why the estimate is not final. May also disclose the nature and amount of any significant adjustments made to a previous estimate of an impairment loss.

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