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Goodwill and Other Intangible Assets (Tables)
 3 Months Ended
Mar. 31, 2024
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of the Changes in Goodwill
A summary of the changes in goodwill for the three-month period ended March 31, 2024 is as follows: 

Consumer
Packaging		Industrial Paper PackagingAll OtherTotal
Goodwill at December 31, 2023$1,056,241 $506,406 $248,007 $1,810,654 
Foreign currency translation(4,427)(2,808)(212)(7,447)
Measurement period adjustments(7,130)— — (7,130)
Goodwill at March 31, 2024$1,044,684 $503,598 $247,795 $1,796,077 
Schedule of Other Intangible Assets
A summary of other intangible assets as of March 31, 2024 and December 31, 2023 is as follows:    
March 31,
2024		December 31,
2023
Other Intangible Assets, gross:
Patents$29,297 $29,304 
Customer lists1,277,948 1,282,689 
Trade names41,738 41,836 
Proprietary technology56,848 56,857 
Other6,820 6,916 
Total Other Intangible Assets, gross$1,412,651 $1,417,602 
Accumulated Amortization:
Patents$(19,956)$(19,549)
Customer lists(511,699)(493,778)
Trade names(20,146)(18,845)
Proprietary technology(29,971)(29,013)
Other(2,794)(2,747)
Total Accumulated Amortization(584,566)(563,932)
Other Intangible Assets, net$828,085 $853,670