Goodwill and Other Intangible Assets

6 Months Ended

Jun. 30, 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, 2017	$	4,798.9		$	3,205.9		$	377.5		$	438.0		$	8,820.3
Additions	660.2			—			—			—			660.2
Goodwill related to assets held for sale	—			(79.1		)	—			—			(79.1		)
Other	2.2			—			—			—			2.2
Currency translation adjustments	(4.6		)	(4.4		)	(2.5		)	(2.7		)	(14.2		)
Balances at June 30, 2018	$	5,456.7		$	3,122.4		$	375.0		$	435.3		$	9,389.4

Other relates primarily to working capital adjustments for acquisitions.

Other intangible assets were comprised of:



	Cost		Accumulated amortization			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	$	3,924.6	$	(1,005.8	)	$	2,918.8
Unpatented technology	499.9		(165.1		)	334.8
Software	174.8		(86.0		)	88.8
Patents and other protective rights	16.5		(13.3		)	3.2
Trade names	6.8		(2.4		)	4.4
Assets not subject to amortization:
Trade names	612.6		—			612.6
In process research and development	1.4		—			1.4
Balances at June 30, 2018	$	5,236.6	$	(1,272.6	)	$	3,964.0

Amortization expense of other intangible assets was $152.6 and $146.5 during the six months ended June 30, 2018 and 2017, respectively.

An evaluation of the carrying value of goodwill and indefinite-lived intangibles is required to be performed on an annual basis and on an interim basis if an event occurs or circumstances change that would more likely than not reduce the fair value of a reporting unit below its carrying value. There have been no events or changes in circumstances which indicate an interim impairment review is required in 2018. The Company will perform the annual analysis during the fourth quarter of 2018.

- 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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