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Commitments and Contingencies | 12 Months Ended
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Dec. 31, 2020
Commitments and Contingencies Disclosure [Abstract] |
Commitments and Contingencies | Commitments and Contingencies SELF INSURANCE We are primarily self-insured for workers’ compensation and employee health care liability costs. Self-insurance liabilities for workers’ compensation are determined based upon a valuation performed by an actuarial firm. The estimate of future workers’ compensation liabilities incorporates loss development and an estimate associated with incurred but not yet reported claims. These claims are discounted. Self-insurance liabilities for employee health costs are determined actuarially based upon claims filed and estimated claims incurred but not yet reported. These claims are not discounted. PURCHASE OBLIGATIONS To help mitigate our exposure to market risk for changes in utility commodity pricing, we use firm price contracts to supply a portion of the natural gas and electricity requirements of our manufacturing facilities, which were reported through "Cost of sales" on our Consolidated Statements of Operations. As of December 31, 2020, these contracts cover approximately 17% of our expected average monthly natural gas and electricity needs at the respective manufacturing facilities through 2021. These contracts qualify for treatment as "normal purchases or normal sales" under authoritative guidance and thus required no mark-to-market adjustment. We enter into third-party contracts for certain raw materials, including pulp, logs and chemicals, which may extend beyond one year. Such contracts are typically negotiated to ensure availability of certain product specifications at market prices that adjust regularly within reasonable commercial terms. Such agreements may include minimum quantities, but reductions are permitted when economic or business conditions require reduced production containing the respective raw material.

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