v3.25.2
Revenue - Summary of Revenues Disaggregated by Product Line (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Disaggregation Of Revenue [Line Items]        
Revenue $ 2,171.3 $ 2,075.3 $ 4,312.3 $ 4,054.8
Packaging        
Disaggregation Of Revenue [Line Items]        
Revenue 2,005.9 1,908.3 3,976.3 3,706.5
Paper        
Disaggregation Of Revenue [Line Items]        
Revenue 145.8 150.1 300.0 313.9
Corporate and Other        
Disaggregation Of Revenue [Line Items]        
Revenue $ 19.6 $ 16.9 $ 36.0 [1] $ 34.4
[1] The Corporate and Other segment sales to external customers is presented net of total company intersegment eliminations.