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Leases - Additional Information (Details)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
USD ($)
renewal_option
Sep. 08, 2023
USD ($)
Dec. 31, 2022
USD ($)
Jan. 26, 2022
USD ($)
Dec. 31, 2021
Lessee, Lease, Description [Line Items]          
Number of renewal options | renewal_option 1        
Lease liability $ 320,257        
Weighted average remaining lease term - Operating leases 10 years 8 months 12 days   11 years 2 months 12 days   11 years 9 months 18 days
Weighted average discount rate - Operating leases (percent) 4.97%   4.27%   4.09%
Finance lease obligations $ 88,994   $ 102,920    
Weighted average remaining lease term - Finance leases 8 years 9 months 18 days   9 years 2 months 12 days   13 years 6 months
Weighted average discount rate - Finance leases (percent) 4.89%   4.79%   2.86%
RTS Packaging and Chattanooga Mill          
Lessee, Lease, Description [Line Items]          
Lease liability   $ 34,604      
Weighted average remaining lease term - Operating leases   11 years 6 months      
Weighted average discount rate - Operating leases (percent)   6.40%      
Metalpack Packaging          
Lessee, Lease, Description [Line Items]          
Lease liability       $ 33,910  
Weighted average remaining lease term - Operating leases       11 years  
Weighted average discount rate - Operating leases (percent)       2.80%  
Finance lease obligations       $ 46,687  
Weighted average remaining lease term - Finance leases       3 years 9 months 18 days  
Weighted average discount rate - Finance leases (percent)       7.50%  
Minimum          
Lessee, Lease, Description [Line Items]          
Lease renewal term 1 year        
Maximum          
Lessee, Lease, Description [Line Items]          
Lease renewal term 5 years