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Other (Expense) Income, Net - Components of Other (Expense) Income, Net (Parenthetical) (Details)
$ in Millions
12 Months Ended
Dec. 31, 2019
USD ($)
DeRidder, Louisiana Mill  
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]  
Charges for disposal of fixed assets $ 3.0