Goodwill and Intangible Assets

6 Months Ended

Jun. 30, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Intangible Assets. The changes in the carrying amount of goodwill for the six-month period ended June 30, 2017 were as follows (in thousands):



	2017
Goodwill balance at January 1	$	211,927
Effect of foreign exchange	1,686
Additions as the result of acquisitions	13,216
Goodwill balance at June 30	$	226,829

As of June 30, 2017, we had recorded $8.3 million of accumulated goodwill impairment charges. The goodwill balances as of June 30, 2017 and December 31, 2016, were related to our cardiovascular segment.

Other intangible assets at June 30, 2017 and December 31, 2016, consisted of the following (in thousands):



	June 30, 2017
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Patents	$	15,192	$	(3,444	)	$	11,748
Distribution agreements	6,626		(4,013		)	2,613
License agreements	21,284		(4,067		)	17,217
Trademarks	16,208		(3,992		)	12,216
Covenants not to compete	1,029		(953		)	76
Customer lists	25,603		(16,642		)	8,961
In-process technology	850		—			850

Total	$	86,792	$	(33,111	)	$	53,681



	December 31, 2016
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Patents	$	14,130	$	(3,165	)	$	10,965
Distribution agreements	6,626		(3,527		)	3,099
License agreements	20,695		(3,422		)	17,273
Trademarks	12,380		(3,330		)	9,050
Covenants not to compete	1,028		(936		)	92
Customer lists	22,261		(15,401		)	6,860
Royalty agreements	267		(267		)	—

Total	$	77,387	$	(30,048	)	$	47,339

Aggregate amortization expense for the three and six-month periods ended June 30, 2017 was approximately $6.2 million and $12.4 million, respectively. For the three and six-month periods ended June 30, 2016, aggregate amortization expense was approximately $4.0 million and $7.9 million, respectively.

Estimated amortization expense for the developed technology and other intangible assets for the next five years consists of the following as of June 30, 2017 (in thousands):



Year Ending December 31
Remaining 2017	$	12,679
2018	24,565
2019	24,196
2020	23,079
2021	16,614

- 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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