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Goodwill and Other Intangible Assets (Tables)
 6 Months Ended
Jul. 02, 2023
Goodwill and Intangible Assets Disclosure [Abstract]  
Summary of the Changes in Goodwill
A summary of the changes in goodwill for the six-month period ended July 2, 2023 is as follows: 

Consumer
Packaging		Industrial Paper PackagingAll OtherTotal
Goodwill at December 31, 2022$898,625 $394,826 $381,860 $1,675,311 
Divestitures— (6,375)— (6,375)
Foreign currency translation4,008 8,582 1,451 14,041 
Measurement period adjustments439 (1,447)— (1,008)
Goodwill at July 2, 2023$903,072 $395,586 $383,311 $1,681,969 
Summary of Other Intangible Assets A summary of other intangible assets as of July 2, 2023 and December 31, 2022 is as follows:    
July 2,
2023		December 31,
2022
Other Intangible Assets, gross:
Patents$29,300 $29,303 
Customer lists1,089,070 1,092,232 
Trade names32,916 34,220 
Proprietary technology56,851 57,720 
Other6,092 6,721 
Total Other Intangible Assets, gross$1,214,229 $1,220,196 
Accumulated Amortization:
Patents$(18,700)$(17,889)
Customer lists(454,590)(417,034)
Trade names(16,921)(15,892)
Proprietary technology(26,743)(25,113)
Other(2,513)(2,670)
Total Accumulated Amortization(519,467)(478,598)
Other Intangible Assets, net$694,762 $741,598