Goodwill and Other Intangible Assets

12 Months Ended

Dec. 31, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

The carrying value of goodwill by segment was as follows:



	RF Technology			Medical & Scientific Imaging			Industrial Technology			Energy Systems & Controls			Total
Balances at December 31, 2016	$	4,687.7		$	3,185.0		$	364.0		$	410.4		$	8,647.1
Goodwill acquired	63.5			—			—			19.2			82.7
Currency translation adjustments	19.3			17.6			13.5			8.4			58.8
Reclassifications and other	28.4			3.3			—			—			31.7
Balances at December 31, 2017	$	4,798.9		$	3,205.9		$	377.5		$	438.0		$	8,820.3
Goodwill acquired	717.5			—			—			—			717.5
Goodwill related to assets held for sale	—			(156.2		)	—			—			(156.2		)
Currency translation adjustments	(14.7		)	(12.5		)	(6.6		)	(5.9		)	(39.7		)
Reclassifications and other	4.9			—			—			—			4.9
Balances at December 31, 2018	$	5,506.6		$	3,037.2		$	370.9		$	432.1		$	9,346.8

Reclassifications and other during the year ended December 31, 2018 were due primarily to tax adjustments for 2017 acquisitions. See Note 2 for information regarding acquisitions.

Other intangible assets were comprised of:



	Cost		Accum. amort.			Net book value
Assets subject to amortization:
Customer related intangibles	$	3,355.2	$	(913.7	)	$	2,441.5
Unpatented technology	544.1		(207.7		)	336.4
Software	184.7		(84.8		)	99.9
Patents and other protective rights	26.1		(22.7		)	3.4
Trade names	6.6		(1.7		)	4.9
Assets not subject to amortization:
Trade names	587.7		—			587.7
In process research and development	1.4		—			1.4
Balances at December 31, 2017	$	4,705.8	$	(1,230.6	)	$	3,475.2

Assets subject to amortization:
Customer related intangibles	$	3,926.8	$	(1,083.6	)	$	2,843.2
Unpatented technology	504.0		(199.5		)	304.5
Software	172.0		(93.2		)	78.8
Patents and other protective rights	9.7		(7.5		)	2.2
Trade names	7.3		(2.8		)	4.5
Assets not subject to amortization:
Trade names	608.9		—			608.9
Balances at December 31, 2018	$	5,228.7	$	(1,386.6	)	$	3,842.1

Amortization expense of other intangible assets was $316.5, $294.3, and $201.4 during the years ended December 31, 2018, 2017 and 2016, respectively. Amortization expense is expected to be $330 in 2019, $316 in 2020, $304 in 2021, $300 in 2022 and $269 in 2023.

- 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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