Goodwill and Other Intangible Assets

12 Months Ended

Dec. 31, 2017

Goodwill and Other Intangible Assets [Abstract]

Note 8. Goodwill and Other Intangible Assets

Goodwill and other intangible assets with indefinite lives are not amortized, but instead are assessed for impairment, at least annually. The carrying amount of goodwill was $779.3 million and $778.7 million as of December 31, 2017 and December 31, 2016, respectively. The net change in goodwill since December 31, 2016 was attributable to the effects of foreign exchange.

The balance of goodwill by segment and the activity occurring in the past two fiscal years is as follows:

	Specialty Minerals			Refractories			Performance Materials		Consolidated
	(millions of dollars)
Balance at December 31, 2015	$	13.3		$	47.0		$	720.9	$	781.2

Change in goodwill relating to:
Foreign exchange translation		(1.2	)		(1.3	)		-		(2.5	)
Total Changes	$	(1.2	)	$	(1.3	)	$	-	$	(2.5	)

Balance at December 31, 2016	$	12.1		$	45.7		$	720.9	$	778.7

Change in goodwill relating to:
Foreign exchange translation		0.6						-		0.6
Total Changes		0.6			-			-		0.6

Balance at December 31, 2017	$	12.7		$	45.7		$	720.9	$	779.3

Acquired intangible assets subject to amortization as of December 31, 2017 and December 31, 2016 were as follows:

		December 31, 2017				December 31, 2016
	Weighted Average Useful Life (Years)	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
		(millions of dollars)
Tradenames	34	$	199.8	$	20.7	$	199.8	$	15.3
Technology	12		18.8		4.8		18.8		3.6
Patents and trademarks	17		6.4		5.3		6.4		4.8
Customer relationships	30		4.5		2.2		4.5		1.4
	28	$	229.5	$	33.0	$	229.5	$	25.1

The weighted average amortization period of the acquired intangible assets subject to amortization is approximately 28 years. Amortization expense was approximately $8.0 million, $8.2 million and $7.9 million for the years ended December 31, 2017, 2016 and 2015, respectively and is recorded within the Marketing and administrative expenses line within the Consolidated Statements of Income. The estimated amortization expense is $7.9 million annually for 2018-2022, and $157.0 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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