Goodwill and Other Intangible Assets (Tables)

9 Months Ended

Sep. 27, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in goodwill by segment

A summary of the changes in goodwill by segment for the nine months ended September 27, 2020 is as follows: 

	Consumer Packaging		Display and Packaging		Paper and Industrial Converted Products		Protective Solutions		Total
Goodwill at December 31, 2019	$	691,243	$	203,414	$	303,041	$	231,648	$	1,429,346
2020 Acquisitions	12,359		—		1,050		—		13,409
Reclassified to assets held for sale	—		(76,828)		—		—		(76,828)
Foreign currency translation	(685)		—		442		(268)		(511)
Measurement period adjustments	3,251		—		616		—		3,867
Goodwill at September 27, 2020	$	706,168	$	126,586	$	305,149	$	231,380	$	1,369,283

Summary of other intangible assets

A summary of other intangible assets as of September 27, 2020 and December 31, 2019 is as follows:    

	September 27, 2020		December 31, 2019
Other Intangible Assets, gross:
Patents	$	32,764	$	26,096
Customer lists	651,828		632,036
Trade names	32,409		32,427
Proprietary technology	24,492		24,525
Other	2,808		2,297
Other Intangible Assets, gross	$	744,301	$	717,381
Accumulated Amortization:
Patents	$	(13,831)	$	(11,669)
Customer lists	(323,052)		(287,831)
Trade names	(11,677)		(9,985)
Proprietary technology	(19,524)		(17,910)
Other	(1,843)		(1,694)
Total Accumulated Amortization	$	(369,927)	$	(329,089)
Other Intangible Assets, net	$	374,374	$	388,292