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Goodwill and Other Intangible Assets (Tables)
 9 Months Ended
Oct. 02, 2022
Goodwill and Intangible Assets Disclosure [Abstract]  
Summary of the Changes in Goodwill
A summary of the changes in goodwill for the nine-month period ended October 2, 2022 is as follows: 

Consumer
Packaging		Industrial Paper PackagingAll OtherTotal
Goodwill at December 31, 2021$572,416 $367,780 $384,305 $1,324,501 
2022 Acquisitions366,098 5,414 — 371,512 
Foreign currency translation(22,001)(17,584)(5,293)(44,878)
Measurement period adjustments(9,187)— — (9,187)
Goodwill at October 2, 2022$907,326 $355,610 $379,012 $1,641,948 
Summary of Other Intangible Assets A summary of other intangible assets as of October 2, 2022 and December 31, 2021 is as follows:    
October 2,
2022		December 31,
2021
Other Intangible Assets, gross:
Patents$29,296 $29,315 
Customer lists1,040,346 592,195 
Trade names31,641 32,043 
Proprietary technology57,608 22,846 
Other2,743 2,807 
Total Other Intangible Assets, gross$1,161,634 $679,206 
Accumulated Amortization:
Patents$(17,497)$(16,275)
Customer lists(392,932)(347,274)
Trade names(15,397)(14,106)
Proprietary technology(24,038)(21,394)
Other(2,047)(2,014)
Total Accumulated Amortization$(451,911)$(401,063)
Other Intangible Assets, net$709,723 $278,143