0000001 - Document - Cover Page link:presentationLink link:calculationLink link:definitionLink 9952151 - Statement - Condensed Consolidated Statements of Operations link:presentationLink link:calculationLink link:definitionLink 9952152 - Statement - Condensed Consolidated Statements of Comprehensive Income (Loss) link:presentationLink link:calculationLink link:definitionLink 9952153 - Statement - Condensed Consolidated Balance Sheets link:presentationLink link:calculationLink link:definitionLink 9952154 - Statement - Condensed Consolidated Balance Sheets (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952155 - Statement - Condensed Consolidated Statements of Stockholders’ Equity link:presentationLink link:calculationLink link:definitionLink 9952156 - Statement - Condensed Consolidated Statements of Cash Flows link:presentationLink link:calculationLink link:definitionLink 9952157 - Disclosure - Nature of Operations and Basis of Presentation link:presentationLink link:calculationLink link:definitionLink 9952158 - Disclosure - Temiscaming Operations link:presentationLink link:calculationLink link:definitionLink 9952159 - Disclosure - Discontinued Operations link:presentationLink link:calculationLink link:definitionLink 9952160 - Disclosure - Accounts Receivable, Net link:presentationLink link:calculationLink link:definitionLink 9952161 - Disclosure - Inventory link:presentationLink link:calculationLink link:definitionLink 9952162 - Disclosure - Accrued and Other Current Liabilities link:presentationLink link:calculationLink link:definitionLink 9952163 - Disclosure - Debt and Finance Leases link:presentationLink link:calculationLink link:definitionLink 9952164 - Disclosure - Environmental Liabilities link:presentationLink link:calculationLink link:definitionLink 9952165 - Disclosure - Fair Value Measurements link:presentationLink link:calculationLink link:definitionLink 9952166 - Disclosure - Redeemable Noncontrolling Interest link:presentationLink link:calculationLink link:definitionLink 9952167 - Disclosure - Accumulated Other Comprehensive Loss link:presentationLink link:calculationLink link:definitionLink 9952168 - Disclosure - Earnings Per Common Share link:presentationLink link:calculationLink link:definitionLink 9952169 - Disclosure - Incentive Stock Plans link:presentationLink link:calculationLink link:definitionLink 9952170 - Disclosure - Employee Benefit Plans link:presentationLink link:calculationLink link:definitionLink 9952171 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 9952172 - Disclosure - Segments link:presentationLink link:calculationLink link:definitionLink 9952173 - Disclosure - Commitments and Contingencies link:presentationLink link:calculationLink link:definitionLink 9955511 - Disclosure - Nature of Operations and Basis of Presentation (Policies) link:presentationLink link:calculationLink link:definitionLink 9955512 - Disclosure - Temiscaming Operations (Tables) link:presentationLink link:calculationLink link:definitionLink 9955513 - Disclosure - Discontinued Operations (Tables) link:presentationLink link:calculationLink link:definitionLink 9955514 - Disclosure - Accounts Receivable, Net (Tables) link:presentationLink link:calculationLink link:definitionLink 9955515 - Disclosure - Inventory (Tables) link:presentationLink link:calculationLink link:definitionLink 9955516 - Disclosure - Accrued and Other Current Liabilities (Tables) link:presentationLink link:calculationLink link:definitionLink 9955517 - Disclosure - Debt and Finance Leases (Tables) link:presentationLink link:calculationLink link:definitionLink 9955518 - Disclosure - Environmental Liabilities (Tables) link:presentationLink link:calculationLink link:definitionLink 9955519 - Disclosure - Fair Value Measurements (Tables) link:presentationLink link:calculationLink link:definitionLink 9955520 - Disclosure - Redeemable Noncontrolling Interest (Tables) link:presentationLink link:calculationLink link:definitionLink 9955521 - Disclosure - Accumulated Other Comprehensive Loss (Tables) link:presentationLink link:calculationLink link:definitionLink 9955522 - 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Disclosure - Temiscaming Operations - Schedule of Suspension Activity Charges (Details) link:presentationLink link:calculationLink link:definitionLink 9955531 - Disclosure - Discontinued Operations - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955532 - Disclosure - Discontinued Operations - Income (Loss) from Discontinued Operations (Details) link:presentationLink link:calculationLink link:definitionLink 9955533 - Disclosure - Accounts Receivable, Net (Details) link:presentationLink link:calculationLink link:definitionLink 9955534 - Disclosure - Inventory (Details) link:presentationLink link:calculationLink link:definitionLink 9955535 - Disclosure - Accrued and Other Current Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955536 - Disclosure - Debt and Finance Leases - Summary of Debt (Details) link:presentationLink link:calculationLink link:definitionLink 9955536 - Disclosure - Debt and Finance Leases - Summary of Debt (Details) link:presentationLink link:calculationLink link:definitionLink 9955537 - Disclosure - Debt and Finance Leases - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955538 - Disclosure - Environmental Liabilities - Schedule of Environmental Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955539 - Disclosure - Environmental Liabilities - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955540 - Disclosure - Fair Value Measurements - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955541 - Disclosure - Fair Value Measurements - Schedule of Estimated Fair Value of SWEN Put Option, Calculated Using Monte Carlo Model (Details) link:presentationLink link:calculationLink link:definitionLink 9955542 - Disclosure - Fair Value Measurements - Instruments Measured on a Recurring Basis (Details) link:presentationLink link:calculationLink link:definitionLink 9955543 - Disclosure - Fair Value Measurements - Instruments Not Measured at Fair Value (Details) link:presentationLink link:calculationLink link:definitionLink 9955544 - Disclosure - Redeemable Noncontrolling Interest - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955545 - Disclosure - Redeemable Noncontrolling Interest -Schedule of Changes in Redeemable Noncontrolling Interest (Details) link:presentationLink link:calculationLink link:definitionLink 9955546 - Disclosure - Redeemable Noncontrolling Interest - Schedule Of Income (Loss) Resulting After Attribution to Redeemable Noncontrolling Interest (Details) (Details) link:presentationLink link:calculationLink link:definitionLink 9955547 - Disclosure - Accumulated Other Comprehensive Loss (Details) link:presentationLink link:calculationLink link:definitionLink 9955548 - Disclosure - Earnings per Common Share - Calculation of Earnings Per Share (Details) link:presentationLink link:calculationLink link:definitionLink 9955549 - Disclosure - Earnings per Common Share - Anti-dilutive Securities Excluded from Computation (Details) link:presentationLink link:calculationLink link:definitionLink 9955550 - Disclosure - Incentive Stock Plans - Stock-based Compensation Expense (Details) link:presentationLink link:calculationLink link:definitionLink 9955551 - Disclosure - Incentive Stock Plans - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955552 - Disclosure - Incentive Stock Plans - Schedule of Outstanding Awards (Details) link:presentationLink link:calculationLink link:definitionLink 9955553 - Disclosure - Employee Benefit Plans - Schedule of Net Pension and Postretirement Benefit Costs (Details) link:presentationLink link:calculationLink link:definitionLink 9955554 - Disclosure - Income Taxes - Effective Tax Rates (Details) link:presentationLink link:calculationLink link:definitionLink 9955555 - Disclosure - Income Taxes - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955556 - Disclosure - Segments - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955557 - Disclosure - Segments - Schedule of Segment Reporting Information, by Segment (Details) link:presentationLink link:calculationLink link:definitionLink 9955558 - Disclosure - Segments - Significant Operating Expenses (Details) link:presentationLink link:calculationLink link:definitionLink 9955559 - Disclosure - Segments - Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955560 - Disclosure - Commitments and Contingencies - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink