XML 49 R39.htm IDEA: XBRL DOCUMENT v3.24.1.u1
Inventories - Inventories (Details) - USD ($)
$ in Millions
Mar. 31, 2024
Dec. 31, 2023
Inventory Disclosure [Abstract]    
Inventories $ 327.8 $ 319.8
Inventory [Line Items]    
Inventory, Finished Goods, Net of Reserves 164.7 156.8
Inventory, Supplies, Net of Reserves 128.6 124.1
Inventories 327.8 319.8
Inventories    
Inventory [Line Items]    
Inventory, Raw Materials, Net of Reserves 16.0 22.1
Inventory Pulp    
Inventory [Line Items]    
Inventory, Raw Materials, Net of Reserves $ 18.4 $ 16.8