Goodwill and Related Intangible Assets

3 Months Ended

Mar. 31, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill

The changes in the carrying amount of goodwill for the three months ended March 31, 2018 are as follows (in thousands):



	Residential Products		Industrial and Infrastructure Products			Renewable Energy & Conservation		Total
Balance at December 31, 2017	$	198,075	$	54,280		$	68,719	$	321,074
Foreign currency translation	—		(163		)	861		698
Balance at March 31, 2018	$	198,075	$	54,117		$	69,580	$	321,772

Acquired Intangible Assets

Acquired intangible assets consist of the following (in thousands):



	March 31, 2018				December 31, 2017
	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization		Estimated Life
Indefinite-lived intangible assets:
Trademarks	$	45,159	$	—	$	45,107	$	—	Indefinite
Finite-lived intangible assets:
Trademarks	5,848		3,166		5,876		3,062		5 to 15 Years
Unpatented technology	28,107		12,490		28,107		12,033		5 to 20 Years
Customer relationships	81,174		41,215		80,707		39,652		5 to 17 Years
Non-compete agreements	1,649		1,007		1,649		931		4 to 10 Years
	116,778		57,878		116,339		55,678
Total acquired intangible assets	$	161,937	$	57,878	$	161,446	$	55,678

The following table summarizes the acquired intangible asset amortization expense for the three months ended March 31 (in thousands):



	2018		2017
Amortization expense	$	2,139	$	2,162

Amortization expense related to acquired intangible assets for the remainder of fiscal 2018 and the next five years thereafter is estimated as follows (in thousands):



	2018		2019		2020		2021		2022		2023
Amortization expense	$	6,087	$	7,654	$	7,142	$	6,539	$	6,127	$	5,588

- 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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