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Goodwill and Other Intangible Assets - Additional Information (Details) - USD ($)
 3 Months Ended 4 Months Ended 7 Months Ended
Mar. 31, 2024
Apr. 02, 2023
Mar. 31, 2024
Mar. 31, 2024
Dec. 31, 2023
 [1]
Dec. 01, 2023
Sep. 08, 2023
Goodwill [Line Items]              
Impairment of goodwill $ 0            
Goodwill 1,796,077,000   $ 1,796,077,000 $ 1,796,077,000 $ 1,810,654,000    
Indefinite-lived intangible assets 0   0 0      
Aggregate amortization expense 22,939,000 $ 21,164,000          
Amortization expense on other intangible assets in 2024 90,200,000   90,200,000 90,200,000      
Amortization expense on other intangible assets in 2025 78,900,000   78,900,000 78,900,000      
Amortization expense on other intangible assets in 2026 75,000,000   75,000,000 75,000,000      
Amortization expense on other intangible assets in 2027 73,900,000   73,900,000 73,900,000      
Amortization expense on other intangible assets in 2028 $ 72,900,000   $ 72,900,000 $ 72,900,000      
Minimum | Other              
Goodwill [Line Items]              
Useful lives of intangible asset 3 years   3 years 3 years      
Maximum | Other              
Goodwill [Line Items]              
Useful lives of intangible asset 40 years   40 years 40 years      
RTS Packaging and Chattanooga Mill              
Goodwill [Line Items]              
Goodwill $ 107,566,000   $ 107,566,000 $ 107,566,000     $ 92,657,000
Other intangible assets       (8,995,000)      
Inapel              
Goodwill [Line Items]              
Goodwill 8,574,000   8,574,000 8,574,000   $ 15,704,000  
Other intangible assets     (1,094,000)        
Plastics - Medical Reporting Unit              
Goodwill [Line Items]              
Goodwill $ 63,991,000   $ 63,991,000 $ 63,991,000      
[1] The year-end condensed consolidated balance sheet data was derived from audited financial statements, but does not include all disclosures required by accounting principles generally accepted in the United States of America (the “United States” or “U.S.”).