Inventories - Inventories (Details) - USD ($) $ in Millions |
Jun. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Inventory [Line Items] | ||
| Inventory, Finished Goods, Net of Reserves | $ 108.7 | $ 128.6 |
| Inventory, Supplies, Net of Reserves | 113.7 | 114.2 |
| Inventories | 260.8 | 281.7 |
| Inventories Logs, chips and sawdust | ||
| Inventory [Line Items] | ||
| Inventory, Raw Materials, Net of Reserves | 28.4 | 28.8 |
| Inventory Pulp | ||
| Inventory [Line Items] | ||
| Inventory, Raw Materials, Net of Reserves | $ 10.1 | $ 10.1 |
| X | ||||||||||
- Definition Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of merchandise or goods held by the company that are readily available for sale. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
|
| X | ||||||||||
- Definition Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of unprocessed items to be consumed in the manufacturing or production process. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of products used directly or indirectly in the manufacturing or production process, which may or may not become part of the final product. May also include items used in the storage, presentation or transportation of physical goods. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|