Goodwill and Other Intangible Assets, Net

9 Months Ended

Oct. 01, 2021

Goodwill

The changes in the carrying amount of goodwill by reportable segment for the nine months ended October 1, 2021 were as follows (in thousands):


	Medical		Non- Medical		Total
December 31, 2020	$	842,442	$	17,000	$	859,442


Foreign currency translation	(9,756)		—		(9,756)


October 1, 2021	$	832,686	$	17,000	$	849,686

Intangible Assets

Intangible assets comprise the following (in thousands):


	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
October 1, 2021
Definite-lived:
Purchased technology and patents	$	254,924	$	(161,375)	$	93,549
Customer lists	713,126		(181,009)		532,117
Other	4,140		(4,034)		106
Total amortizing intangible assets	$	972,190	$	(346,418)	$	625,772
Indefinite-lived:
Trademarks and tradenames					$	90,288

December 31, 2020
Definite-lived:
Purchased technology and patents	$	257,453	$	(152,798)	$	104,655
Customer lists	723,791		(161,856)		561,935
Other	4,142		(3,796)		346
Total amortizing intangible assets	$	985,386	$	(318,450)	$	666,936
Indefinite-lived:
Trademarks and tradenames					$	90,288

Aggregate intangible asset amortization expense comprises the following (in thousands):


	Three Months Ended				Nine Months Ended
	October 1, 2021		October 2, 2020		October 1, 2021		October 2, 2020
Cost of sales	$	3,216	$	3,219	$	9,717	$	9,660
Selling, general and administrative expenses	7,068		7,080		21,356		21,234



Total intangible asset amortization expense	$	10,284	$	10,299	$	31,073	$	30,894

Estimated future intangible asset amortization expense based on the carrying value as of October 1, 2021 is as follows (in thousands):