Income Tax Disclosure [Abstract] Unrecognized Tax Benefits [Table] Unrecognized Tax Benefits [Table] Unrecognized Tax Benefits [Table] Business Acquisition [Axis] Business Acquisition [Axis] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Boise Inc. Boise Inc. [Member] Boise Inc. [Member] Tax Credit Carryforward [Axis] Tax Credit Carryforward [Axis] Tax Credit Carryforward, Name [Domain] Tax Credit Carryforward, Name [Domain] Alternative Fuel Mixture Credit Alternative Fuel Mixture Credit [Member] Alternative Fuel Mixture Credit [Member] Income Tax Uncertainties [Line Items] Income Tax Contingency [Line Items] Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] Balance as of January 1 Unrecognized Tax Benefits Increases related to current year tax positions Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions Increases related to prior years' tax positions Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions Decreases related to prior year's tax positions Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions Settlements with taxing authorities Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities Expiration of the statute of limitations Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations Balance at December 31 Unrecognized tax benefits that would impact of effective tax rate Unrecognized Tax Benefits that Would Impact Effective Tax Rate Asset Retirement Obligation [Abstract] Disposal Groups, Including Discontinued Operations [Table] Disposal Groups, Including Discontinued Operations [Table] Disposal Group Classification [Axis] Disposal Group Classification [Axis] Disposal Group Classification [Domain] Disposal Group Classification [Domain] Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Asset Retirement Obligation, Roll Forward Analysis [Roll Forward] Asset Retirement Obligation, Roll Forward Analysis [Roll Forward] Asset retirement obligation at beginning of period Asset Retirement Obligation Sale of St. Helens Asset Retirement Obligation, Liabilities Settled Accretion expense Asset Retirement Obligation, Accretion Expense Payments Asset Retirement Obligation, Cash Paid to Settle Revisions in estimated cash flows Asset Retirement Obligation, Revision of Estimate Liabilities incurred Asset Retirement Obligation, Liabilities Incurred Acquisition Asset Retirement Obligation Increase Due to Acquisition Amount of asset retirement obligation increase due to acquisition during the period. Asset retirement obligation at end of period Gain on sale Gain (Loss) on Disposition of Property Plant Equipment Leases, Operating [Abstract] 2016 Operating Leases, Future Minimum Payments Due, Next Twelve Months 2017 Operating Leases, Future Minimum Payments, Due in Two Years 2018 Operating Leases, Future Minimum Payments, Due in Three Years 2019 Operating Leases, Future Minimum Payments, Due in Four Years 2020 Operating Leases, Future Minimum Payments, Due in Five Years Thereafter Operating Leases, Future Minimum Payments, Due Thereafter Total Operating Leases, Future Minimum Payments Due Share-based Compensation [Abstract] Summary of Restricted Stock Activity Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block] Summary of Performance Units Activity Schedule of Nonvested Performance-based Units Activity [Table Text Block] Compensation Expense For Restricted Stock and Performance Units Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Table Text Block] Unrecognized Compensation For Restricted Stock and Performance Units Schedule of Unrecognized Compensation Cost, Nonvested Awards [Table Text Block] Compensation and Retirement Disclosure [Abstract] Schedule of Defined Benefit Plans Disclosures [Table] Schedule of Defined Benefit Plans Disclosures [Table] Defined Benefit Plans and Other Postretirement Benefit Plans [Axis] Defined Benefit Plans and Other Postretirement Benefit Plans [Axis] Defined Benefit Plans and Other Postretirement Benefit Plans [Domain] Defined Benefit Plan and Other Postretirement Benefit Plan [Domain] Pension Plans Pension Plan [Member] Postretirement Plans Other Postretirement Benefit Plan [Member] Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items] Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] Company contributions Defined Benefit Plan, Contributions by Employer Components of net periodic benefit cost Defined Benefit Plan, Net Periodic Benefit Cost [Abstract] Service cost Defined Benefit Plan, Service Cost Interest cost Defined Benefit Plan, Interest Cost Expected return on plan assets Defined Benefit Plan, Expected Return on Plan Assets Special termination benefits Defined Benefit Plan, Special Termination Benefits Net amortization of unrecognized amounts, Prior service cost Defined Benefit Plan, Amortization of Prior Service Cost (Credit) Net amortization of unrecognized amounts, Actuarial loss Defined Benefit Plan, Amortization of Gains (Losses) Net amortization of unrecognized amounts, Curtailment loss Defined Benefit Plan, Recognized Net Gain (Loss) Due to Curtailments Net periodic benefit cost Defined Benefit Plan, Net Periodic Benefit Cost Changes in plan assets and benefit obligations recognized in other comprehensive (income) loss Defined Benefit Plan, Amounts Recognized in Other Comprehensive Income (Loss) [Abstract] Actuarial net (gain) loss Defined Benefit Plan, Amounts Recognized in Other Comprehensive Income (Loss), Net Actuarial Gain (Loss), before Tax Prior service cost Defined Benefit Plan, Amounts Recognized in Other Comprehensive Income (Loss), Net Prior Service Cost (Credit), before Tax Amortization of prior service cost Other Comprehensive (Income) Loss, Amortization Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Prior Service Cost (Credit), before Tax Amortization of actuarial loss Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Gain (Loss), before Tax Curtailment loss Defined Benefit Plan, Curtailments Total recognized in other comprehensive (income) loss (b) Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, before Tax Total recognized in net periodic benefit cost and other comprehensive (income) loss - pretax Total recognized in net periodic benefit cost and other comprehensive income (loss) The total amount of net periodic benefit cost for defined benefit plans for the period and amounts recognized in other comprehensive income (but not yet recognized in net periodic benefit cost). Estimated Net Periodic Benefit Cost and Amortization of Other Comprehensive Income for The Next Year Defined Benefit Plan, Amount to be Amortized from Accumulated Other Comprehensive Income (Loss) Next Fiscal Year [Abstract] Estimated net periodic benefit cost for 2016 Defined Benefit Plan, Future Amortization of Prior Service Cost (Credit) Risks and Uncertainties [Abstract] Concentration Risk [Table] Concentration Risk [Table] Segments [Axis] Segments [Axis] Segment [Domain] Segments [Domain] Paper Paper [Member] Reportable segment - Paper. Major Customers [Axis] Customer [Axis] Name of Major Customer [Domain] Customer [Domain] Office Depot Office Depot (including OfficeMax) [Member] Office Depot (including OfficeMax) [Member] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Total Company Sales Revenue Sales Revenue, Goods, Net [Member] Paper Segment Sales Revenue Sales Revenue, Segment [Member] Total Company Receivables Accounts Receivable [Member] Workforce Subject to Collective Bargaining Arrangements Workforce Subject to Collective Bargaining Arrangements [Member] Workforce Subject to Collective Bargaining Arrangements Expiring within One Year Workforce Subject to Collective Bargaining Arrangements Expiring within One Year [Member] Concentration Risk Type [Axis] Concentration Risk Type [Axis] Concentration Risk Type [Domain] Concentration Risk Type [Domain] Customer Concentration Risk Customer Concentration Risk [Member] Credit Concentration Risk Credit Concentration Risk [Member] Concentration Risk [Line Items] Concentration Risk [Line Items] Concentration risk, percentage Concentration Risk, Percentage Accounts Receivable, Net, Current Accounts Receivable, Net, Current Number of employees of PCA Entity Number of Employees Percentage of hourly employees represented by unions Percentage Of Hourly Employees Represented By Unions Represents percentage of hourly employees represented by unions. Accrued Liabilities, Current [Abstract] Components of Accrued Liabilities Schedule of Accrued Liabilities [Table Text Block] Accrued Liabilities Accrued Liabilities Disclosure [Text Block] Accrued Liabilities Disclosure [Text Block] Valuation and Qualifying Accounts [Abstract] Valuation and Qualifying Accounts Disclosure [Table] Valuation and Qualifying Accounts Disclosure [Table] Valuation Allowances and Reserves Type [Axis] Valuation Allowances and Reserves Type [Axis] Valuation Allowances and Reserves [Domain] Valuation Allowances and Reserves [Domain] Allowance for Doubtful Accounts Allowance for Doubtful Accounts [Member] Reserve for Customer Deductions Reserve for Customer Deductions [Member] Deferred Tax Asset Valuation Allowance Valuation Allowance of Deferred Tax Assets [Member] Valuation and Qualifying Accounts Disclosure [Line Items] Valuation and Qualifying Accounts Disclosure [Line Items] Movement in Valuation Allowances and Reserves [Roll Forward] Movement in Valuation Allowances and Reserves [Roll Forward] Balance Beginning of Year Valuation Allowances and Reserves, Balance Acquired Reserves Valuation Allowances and Reserves, Reserves of Businesses Acquired Charged to Expenses Valuation Allowances and Reserves, Charged to Cost and Expense Deductions Valuation Allowances and Reserves, Deductions Balance End of Year Concentration of Risk Concentration Risk Disclosure [Text Block] Statement of Cash Flows [Abstract] Cash Flows from Operating Activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Net income Net Income (Loss) Attributable to Parent Adjustments to reconcile net income to net cash provided by operating activities: Adjustments, Noncash Items, to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Depreciation, depletion, and amortization of intangibles and deferred financing costs Depreciation Depletion Amortization And Other Cash Flow Impact The aggregate non-cash expense recognized in the current period that allocates the cost of tangible and intangible assets to periods that benefit from use of the assets. Share-based compensation expense Share-based Compensation Deferred income tax provision (benefit) Deferred Income Tax Expense (Benefit) Alternative energy tax credits Alternative Fuel Mixture Credit Change Represents the net change in the amount of alternative fuel mixture credits due the entity for the production and use of alternative fuels in the entity's trade or business. Loss on disposals of property, plant, and equipment Pension and post retirement benefits expense, net of contributions Pension And Postretirement Benefits Contributions Expense Net The amount of pension and postretirement benefit costs recognized during the period, less the amount of contributions made by the entity to fund its plans. For defined benefit plans, pension and postretirement expense includes the following components: service cost, interest cost, expected return on plan assets, gain or loss on plan assets, prior service cost or credit, transition asset or obligation, and gain or loss due to settlements or curtailments. Other, net Other Operating Activities, Cash Flow Statement Changes in operating assets and liabilities, net of acquisitions: Increase (Decrease) in Operating Capital [Abstract] Decrease (increase) in assets — Increase (Decrease) in Operating Assets [Abstract] Accounts receivable Increase (Decrease) in Accounts Receivable Inventories Increase (Decrease) in Inventories Prepaid expenses and other current assets Increase (Decrease) in Prepaid Expense and Other Assets Increase (decrease) in liabilities — Increase (Decrease) in Operating Liabilities [Abstract] Accounts payable Increase (Decrease) in Accounts Payable Accrued liabilities Increase (Decrease) in Accrued Liabilities Federal and state income tax payable/receivable Increase (Decrease) in Income Taxes Receivable Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Cash Flows from Investing Activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Additions to property, plant, and equipment Payments to Acquire Property, Plant, and Equipment Proceeds from sale of a business Proceeds from Divestiture of Businesses Acquisitions of businesses, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Additions to other long term assets Payments to Acquire Other Productive Assets Other Payments for (Proceeds from) Other Investing Activities Net cash used for investing activities Net Cash Provided by (Used in) Investing Activities Cash Flows from Financing Activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Proceeds from issuance of debt Proceeds from Issuance of Long-term Debt Repayments of debt Repayments of Long-term Debt, Long-term Capital Lease Obligations, and Capital Securities Financing costs paid Payments of Financing Costs Common stock dividends paid Payments of Ordinary Dividends, Common Stock Repurchases of common stock Payments for Repurchase of Common Stock Proceeds from exercise of stock options Proceeds from Stock Options Exercised Excess tax benefits from stock-based awards Excess Tax Benefit from Share-based Compensation, Financing Activities Shares withheld to cover employee restricted stock taxes Payments Related to Tax Withholding for Share-based Compensation Other Proceeds from (Payments for) Other Financing Activities Net cash (used for) provided by financing activities Net Cash Provided by (Used in) Financing Activities Net increase (decrease) in cash and cash equivalents Cash and Cash Equivalents, Period Increase (Decrease) Cash and cash equivalents, beginning of year Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents, end of year Subsequent Events [Abstract] Subsequent Event Subsequent Events [Text Block] Segment Reporting [Abstract] Segment Information Segment Reporting Disclosure [Text Block] Equity [Abstract] Schedule of Stock by Class [Table] Schedule of Stock by Class [Table] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Subsequent Event Subsequent Event [Member] Class of Stock [Axis] Class of Stock [Axis] Class of Stock [Domain] Class of Stock [Domain] Class of Stock [Line Items] Class of Stock [Line Items] Stock Repurchase Program, Additional Amount Authorized Stock Repurchase Program, Additional Amount Authorized Stock Repurchase Program, Additional Amount Authorized Common stock repurchase authorized amount Stock Repurchase Program, Authorized Amount Common stock repurchased and retired, shares Stock Repurchased and Retired During Period, Shares Common stock repurchased and retired, weighted average price per share Treasury Stock Acquired, Average Cost Per Share Common stock repurchased and retired, total value Stock Repurchased and Retired During Period, Value Common stock repurchase authorization amount available Stock Repurchase Program, Remaining Authorized Repurchase Amount Stock Repurchased During Period, Shares Stock Repurchased During Period, Shares Stock Repurchased During Period, Value Stock Repurchased During Period, Value Statement of Financial Position [Abstract] Allowance for doubtful accounts and customer deductions Allowance For Doubtful Accounts Receivable And Reserve For Customer Deductions Current A valuation allowance for trade and other receivables due to an entity within one year (or the normal operating cycle, whichever is longer) that are expected to be uncollectible, and a reserve for estimated customer returns, allowances and earned discounts. Common stock, par value Common Stock, Par or Stated Value Per Share Common stock, shares authorized Common Stock, Shares Authorized Common stock, shares issued Common Stock, Shares, Issued Changes to Asset Retirement Obligation Schedule of Change in Asset Retirement Obligation [Table Text Block] Goodwill and Intangible Assets Disclosure [Abstract] Schedule of Goodwill [Table] Schedule of Goodwill [Table] Disposal Group Name [Axis] Disposal Group Name [Axis] Disposal Group Name [Domain] Disposal Group Name [Domain] Hexacomb Europe and Mexico [Member] Hexacomb Europe and Mexico [Member] Hexacomb Europe and Mexico [Member] Crockett Packaging Crockett Packaging [Member] Crockett Packaging [Member] Packaging Packaging [Member] Reportable segment - Packaging. Goodwill [Line Items] Goodwill [Line Items] Goodwill Goodwill Goodwill [Roll Forward] Goodwill [Roll Forward] Beginning Balance Acquisitions Goodwill, Acquired During Period Adjustments related to purchase accounting Goodwill, Purchase Accounting Adjustments Sale of Hexacomb Europe and Mexico Goodwill, Written off Related to Sale of Business Unit Ending Balance Business acquisition, cost of acquired entity Business Combination, Consideration Transferred Working capital adjustments Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Consideration Transferred Proceeds from Sale of Productive Assets Proceeds from Sale of Productive Assets Asset Retirement Obligations Asset Retirement Obligation Disclosure [Text Block] Schedule Of Income Taxes [Table] Schedule Of Income Taxes [Table] Schedule Of Income Taxes [Table] Range [Axis] Range [Axis] Range [Domain] Range [Domain] Minimum Minimum [Member] Maximum Maximum [Member] Legal Entity [Axis] Legal Entity [Axis] Entity [Domain] Entity [Domain] Income Tax Authority [Axis] Income Tax Authority [Axis] Income Tax Authority [Domain] Income Tax Authority [Domain] Federal Internal Revenue Service (IRS) [Member] State State and Local Jurisdiction [Member] Foreign Foreign Tax Authority [Member] Statement [Line Items] Statement [Line Items] Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions Cash payments for income taxes Income Taxes Paid Income tax examination (description) Income Tax Examination, Description Open tax year Open Tax Year Debt Disclosure [Abstract] Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Variable Rate [Axis] Variable Rate [Axis] Variable Rate [Domain] Variable Rate [Domain] London Interbank Offered Rate (LIBOR) London Interbank Offered Rate (LIBOR) [Member] Type of Cost [Axis] Type of Cost [Axis] Type of Cost [Axis] Type of Cost [Domain] Type of Cost [Domain] [Domain] for Type of Cost [Axis] Write-Off of Deferred Financing Costs Write-Off of Deferred Financing Costs [Member] Write-Off of Deferred Financing Costs [Member] Credit Facility [Axis] Credit Facility [Axis] Credit Facility [Domain] Credit Facility [Domain] Letter of Credit Letter of Credit [Member] Receivables Credit Facility Receivables Credit Facility [Member] Receivables Credit Facility Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Five-Year and Seven-Year Term Loans, due October 2018 and 2020, respectively Five-Year and Seven-Year Term Loans, due October 2018 and 2020, respectively [Member] Five-Year and Seven-Year Term Loans, due October 2018 and 2020, respectively [Member] Five-Year Term Loan, due October 2018 Term loan, Due October 2018 [Member] Term loan, Due October 2018 [Member] Seven-Year Term Loan, due October 2020 Term loan, Due October 2020 [Member] Term loan, Due October 2020 [Member] 6.50% Senior Notes due March 2018 Senior Notes Six Point Five Percentage Senior Notes [Member] Senior notes six point five percentage senior notes member. 3.90% Senior Notes, due June 2022 Senior Notes Three Point Nine Percentage Senior Notes [Member] Senior Notes Three Point Nine Percentage Senior Notes [Member] 4.50% Senior Notes, due November 2023 4.50% Senior Notes, Due November 2023 [Member] 4.50% Senior Notes, Due November 2023 [Member] 3.65% Senior Notes, due September 2024 3.65% Senior Notes, due September 2024 [Member] 3.65% Senior Notes, due September 2024 [Member] Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Unsecured Debt Unsecured Debt [Member] Line of Credit Line of Credit [Member] Senior Notes Senior Notes [Member] Debt Instrument [Line Items] Debt Instrument [Line Items] Debt, face amount Debt Instrument, Face Amount Credit facility borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Outstanding letters of credit Letters of Credit Outstanding, Amount Unused borrowing capacity Debt Instrument, Unused Borrowing Capacity, Amount Applicable margin Debt Instrument, Basis Spread on Variable Rate Long-term debt Long-term Debt Stated interest rate Debt Instrument, Interest Rate, Stated Percentage Book value of fixed rate debt Long-term Debt, Percentage Bearing Fixed Interest, Amount Book value of variable rate debt Long-term Debt, Percentage Bearing Variable Interest, Amount Long-term debt, fair value Long-term Debt, Fair Value Repayments of Debt Repayments of Debt Repayment of debt Extinguishment of Debt, Amount Credit facility, expiration date Line of Credit Facility, Expiration Date Annual Principal Maturities for Debt [Abstract] Repayments of Long-term Debt [Abstract] 2016 Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months 2017 Long-term Debt, Maturities, Repayments of Principal in Year Two 2018 Long-term Debt, Maturities, Repayments of Principal in Year Three 2019 Long-term Debt, Maturities, Repayments of Principal in Year Four 2020 Long-term Debt, Maturities, Repayments of Principal in Year Five 2020 and thereafter Long-term Debt, Maturities, Repayments of Principal after Year Five Reference Interest Rate Reference Interest Rate Represents the reference interest rate for the debt instrument at the end of the period. Interest payments Interest Paid Interest payments and redemption premium payments paid for debt obligations Interest Payments and Redemption Premium Payments Amount of the required periodic payments applied to interest and redemption premium payments paid (as they occur). Redemption Premium Redemption Premium Amortization of net (loss) gain on treasury lock Derivative, Gain (Loss) on Derivative, Net Amortization of financing costs Amortization of Financing Costs Write-off of deferred financing costs Interest Income (Expense), Nonoperating, Net Organization, Consolidation and Presentation of Financial Statements [Abstract] Nature of Operations and Basis of Presentation Nature of Operations [Text Block] Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Restructuring Type [Axis] Restructuring Type [Axis] Type of Restructuring [Domain] Type of Restructuring [Domain] Other Restructuring [Member] Other Restructuring [Member] Geographical [Axis] Geographical [Axis] Segment, Geographical [Domain] Geographical [Domain] Foreign operations Foreign Operations [Member] Operations outside of the United States of America [Member] Corporate and Other Corporate and Other [Member] Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Operating Income (Loss) Operating Income (Loss) Number of reportable segments Number of Reportable Segments Net sales Revenue, Net Long-Lived Assets Long-Lived Assets Current Portion of Long-term Debt Current portion of long-term debt [Member] Current portion of long-term debt [Member] Long-term Debt, Excluding Current Portion Long-term debt, excluding current portion [Member] Long-term debt, excluding current portion [Member] Long-term debt Less current portion Long-term Debt, Current Maturities Total long-term debt Long-term Debt, Excluding Current Maturities Weighted-average interest rate Debt, Weighted Average Interest Rate Debt instrument, maturity date Debt Instrument, Maturity Date Senior notes, discount Debt Instrument, Unamortized Discount Schedule Of Deferred Tax Assets And Liabilities [Table] Schedule Of Deferred Tax Assets And Liabilities [Table] Schedule of Deferred Tax Assets and Liabilities [Table] Valuation Allowance by Deferred Tax Asset [Axis] Valuation Allowance by Deferred Tax Asset [Axis] Deferred Tax Asset Deferred Tax Asset [Domain] Net Operating Loss Carryforwards Net Operating Loss Carryforwards [Member] Net Operating Loss Carryforwards [Member] Capital Loss Carryforward Capital Loss Carryforward [Member] Schedule Of Deferred Tax Assets And Liabilities [Line Items] Schedule Of Deferred Tax Assets And Liabilities [Line Items] Schedule of Deferred Tax Assets and Liabilities [Line Items] Deferred tax assets: Deferred Tax Assets, Net [Abstract] Accrued liabilities Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Accrued Liabilities Employee benefits and compensation Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits Inventories Deferred Tax Assets, Inventory Net operating loss carryforwards Deferred Tax Assets, Operating Loss Carryforwards Stock options and restricted stock Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost Pension and postretirement benefits Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Postretirement Benefits Derivatives Deferred Tax Assets, Derivative Instruments Capital loss, general business, foreign, and AMT credit carryforwards Deferred Tax Assets, Tax Credit Carryforwards, General Business Gross deferred tax assets Deferred Tax Assets, Gross Valuation allowance Deferred Tax Assets, Valuation Allowance Net deferred tax assets Deferred Tax Assets, Net of Valuation Allowance Deferred tax liabilities: Deferred Tax Liabilities, Gross [Abstract] Property, plant, and equipment Deferred Tax Liabilities, Property, Plant and Equipment Goodwill and intangible assets Deferred Tax Liabilities, Goodwill and Intangible Assets Inventories Deferred Tax Liabilities Inventories Amount of deferred tax liability attributable to taxable temporary differences from inventories. Total deferred tax liabilities Deferred Tax Liabilities, Gross Net deferred tax liabilities Deferred Tax Liabilities, Net Other Income and Expenses [Abstract] Other Expense, Net Other Income and Other Expense Disclosure [Text Block] Business Combinations [Abstract] Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Business Acquisition [Line Items] Business Acquisition [Line Items] Proceeds from Divestiture of Businesses, Net of Cash Divested Proceeds from Divestiture of Businesses, Net of Cash Divested Outstanding stock and voting equity interests acquired Business Acquisition, Percentage of Voting Interests Acquired Outstanding common stock acquired, price per share Business Acquisition, Share Price Business acquisition, cost of acquired entity, cash paid Payments to Acquire Businesses, Gross Cash acquired from acquisition Cash Acquired from Acquisition Business acquisition, debt assumed Business Combination, Consideration Transferred, Liabilities Incurred Commitments and Contingencies Disclosure [Abstract] Schedule of Minimum Lease Payments Under Non-Cancelable Operating Leases Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block] Schedule of Assets Held Under Capital Lease Obligations Schedule of Capital Leased Assets [Table Text Block] Schedule of Future Minimum Payments Under Capitalized Leases Schedule of Future Minimum Lease Payments for Capital Leases [Table Text Block] Schedule Of Purchase Commitments Long-term Purchase Commitment [Table Text Block] Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table] Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table] 401K Contributions [Axis] 401K Contributions [Axis] 401K Contributions [Axis] 401K Contributions [Domain] 401K Contributions [Domain] [Domain] for 401K Contributions [Axis] Matching Contributions Matching Contributions [Member] Matching Contributions [Member] Service Related Contributions Service Related Contributions [Member] Service Related Contributions [Member] Scenario [Axis] Scenario [Axis] Scenario, Unspecified [Domain] Scenario, Unspecified [Domain] Scenario, Forecast Scenario, Forecast [Member] Employee Stock Ownership Plan (ESOP) Name [Axis] Employee Stock Ownership Plan (ESOP) Name [Axis] Employee Stock Ownership Plan (ESOP), Plan [Domain] Employee Stock Ownership Plan (ESOP), Plan [Domain] Employee Stock Ownership Plan Employee Stock Ownership Plan [Member] Employee Stock Ownership Plan [Member] Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan, Effect of Plan Amendment on Net Periodic Benefit Cost Defined Benefit Plan, Effect of Plan Amendment on Net Periodic Benefit Cost Minimum service period for medical benefit plan coverage, years Minimum Service Period For Retiree Medical Benefit Plan Coverage Minimum service period for retiree medical benefit plan coverage. Minimum retirement age for medical benefit plan coverage, years Minimum Retirement Age For Retiree Medical Benefit Plan Coverage Minimum retirement age for retiree medical benefit plan coverage. Employee age after which minimum service period to be completed for medical benefit plan coverage, years Employee Age After Which Minimum Service Period To Be Completed For Retiree Medical Benefit Plan Coverage Employee age after which minimum service period to be completed for retiree medical benefit plan coverage. Company's contribution to defined contribution plans Defined Contribution Plan, Cost Recognized Company's common stock Employee Stock Ownership Plan (ESOP), Shares in ESOP Company's contribution to pension plan, percentage Company Retirement Contribution Percentage Represents the percentage of base pay for service-related Company retirement contributions to a defined contribution plan. Deferred compensation liability Deferred Compensation Arrangement with Individual, Recorded Liability Defined Benefit Plans, Estimated Future Employer Contributions in Next Fiscal Year Defined Benefit Plans, Estimated Future Employer Contributions in Next Fiscal Year Income Statement [Abstract] Cost of sales Cost of Goods Sold Gross profit Gross Profit Selling, general, and administrative expenses Selling, General and Administrative Expense Other expense, net Other Operating Income (Expense), Net Income from operations Interest expense, net Income before taxes Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest (Provision) benefit for income taxes Income Tax Expense (Benefit) Net income Net income per common share Earnings Per Share [Abstract] Basic (US$ per share) Earnings Per Share, Basic Diluted (US$ per share) Earnings Per Share, Diluted Dividends declared per common share (US$ per share) Common Stock, Dividends, Per Share, Declared Statement of Comprehensive Income: Other Comprehensive Income (Loss), Net of Tax [Abstract] Foreign currency translation adjustment Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent Reclassification adjustments to cash flow hedges included in net income, net of tax of $2.2 million, $2.2 million, and $2.2 million for 2015, 2014, and 2013, respectively Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax Amortization of pension and postretirement plans actuarial loss and prior service cost, net of tax of $5.6 million, $2.8 million, and $8.5 million for 2015, 2014, and 2013, respectively Other Comprehensive (Income) Loss, Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, Net of Tax Changes in unfunded employee benefit obligations, net of tax of $8.9 million, $59.2 million, and $20.4 million for 2015, 2014, and 2013, respectively Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss And Net Prior Service Costs Arising During Period Net Of Tax The accumulated change in the value of either the projected benefit obligation or the plan assets resulting from experience different from that assumed or from a change in an actuarial assumption that has not been recognized in net periodic benefit cost, after tax. Also includes the cost (credit) resulting from a plan amendment that occurred during the period that has not been recognized in net periodic benefit cost, after tax. Other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax Comprehensive income Comprehensive Income (Loss), Net of Tax, Attributable to Parent ASSETS Assets [Abstract] Current assets: Assets, Current [Abstract] Cash and cash equivalents Accounts receivable, net of allowance for doubtful accounts and customer deductions of $10.3 million and $11.3 million as of December 31, 2015 and 2014, respectively Inventories Inventory, Net Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Federal and state income taxes receivable Income Taxes Receivable, Current Total current assets Assets, Current Property, plant, and equipment, net Property, Plant and Equipment, Net Intangible assets, net Finite-Lived Intangible Assets, Net Other long-term assets Other Assets, Noncurrent Total assets Assets LIABILITIES AND STOCKHOLDERS' EQUITY Liabilities and Equity [Abstract] Current liabilities: Liabilities, Current [Abstract] Current maturities of long-term debt Capital lease obligations Capital Lease Obligations, Current Accounts payable Accounts Payable, Current Dividends payable Dividends Payable, Current Accrued liabilities Accrued Liabilities, Current Accrued interest Interest Payable, Current Total current liabilities Liabilities, Current Long-term liabilities: Liabilities, Noncurrent [Abstract] Long-term debt Capital lease obligations Capital Lease Obligations, Noncurrent Deferred income taxes Deferred Tax Liabilities, Net, Noncurrent Compensation and benefits Pension and Other Postretirement Defined Benefit Plans, Liabilities, Noncurrent Other long-term liabilities Other Liabilities, Noncurrent Total long-term liabilities Liabilities, Noncurrent Commitments and contingent liabilities Commitments and Contingencies Stockholders' equity: Stockholders' Equity Attributable to Parent [Abstract] Common stock, par value $0.01 per share, 300.0 million shares authorized, 96.1 million and 98.4 million shares issued as of December 31, 2015 and 2014, respectively Common Stock, Value, Issued Additional paid in capital Additional Paid in Capital, Common Stock Retained earnings Retained Earnings (Accumulated Deficit) Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Total stockholders' equity Stockholders' Equity Attributable to Parent Total liabilities and stockholders' equity Liabilities and Equity Revenue from External Customers by Product Line Revenue from External Customers by Products and Services [Table Text Block] Analysis of Operations by Reportable Segment Schedule of Segment Reporting Information, by Segment [Table Text Block] Schedule of Obligations and Funded Status of Defined Benefit Pension and Postretirement Benefit Plans Schedule of Net Funded Status [Table Text Block] Components of Net Periodic Benefit Costs and Other Comprehensive (Income) Loss (Pretax) Schedule of Net Benefit Costs and Amounts Recognized Other Comprehensive Income Loss [Table Text Block] Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments. Also includes tabular disclosure of the changes in plan assets and benefit obligations recognized in other comprehensive income (loss) during the period. Weighted-Average Assumptions Used To Determine Benefit Obligations and Net Periodic Benefit Cost Schedule of Assumptions Used [Table Text Block] Assumed Health Care Cost Trend Rates For Postretirement Benefits Schedule of Health Care Cost Trend Rates [Table Text Block] Schedule of Effects of One-Percentage Point Change In Assumed Health Care Cost Trend Rates on Postretirement Benefits Schedule of Effect of One-Percentage-Point Change in Assumed Health Care Cost Trend Rates [Table Text Block] Schedule of Pension Plans' Assets Investment Policies and Strategies Schedule of Allocation of Plan Assets [Table Text Block] Schedule of Pension Plans' Assets Fair Value Measured On a Recurring Basis Fair Value, Assets Measured on Recurring Basis [Table Text Block] Summary of Changes in Pension Plans' Level 3 Assets Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Schedule of Estimated Benefit Payments Schedule of Expected Benefit Payments [Table Text Block] Numerator: Net Income (Loss) Available to Common Stockholders, Basic [Abstract] Less: distributed and undistributed earnings allocated to participating securities Participating Securities, Distributed and Undistributed Earnings (Loss), Basic Net income attributable to common shareholders Net Income (Loss) Available to Common Stockholders, Basic Denominator: Weighted Average Number of Shares Outstanding, Basic [Abstract] Weighted average basic common shares outstanding Weighted Average Number of Shares Outstanding, Basic Effect of dilutive securities Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements Diluted common shares outstanding Weighted Average Number of Shares Outstanding, Diluted Basic income per common share Diluted income per common share Disclosure Fair Value Measurements of Plan Assets [Abstract] Disclosure Fair Value Measurements of Plan Assets [Abstract] Fair Value Measurements, Recurring and Nonrecurring [Table] Fair Value Measurements, Recurring and Nonrecurring [Table] Defined Benefit Plan, Asset Categories [Axis] Defined Benefit Plan, Asset Categories [Axis] Plan Asset Categories [Domain] Plan Asset Categories [Domain] Short-term Investments Short-term Investments [Member] Domestic equities (Mutual Funds) Domestic equities [Member] Domestic equities [Member] International equities (Mutual Funds) International equities [Member] International equities [Member] Real Estate Real Estate [Member] Fixed Income (Mutual Funds) Fixed Income Funds [Member] Domestic equities (Common/collective trusts) CCT Domestic equities [Member] CCT Domestic equities [Member] International equities (Common/Collective Trust Funds) CCT International equities [Member] CCT International equities [Member] Fixed Income (Common/Collective Trust Funds) [Member] Fixed Income (Common/Collective Trust Funds) [Member] Fixed Income (Common/Collective Trust Funds) [Member] Private Equity Securities Private Equity Funds [Member] Total Securities at Fair Value Total Securities at Fair Value [Member] Total Securities at Fair Value [Member] Receivables and Accruals, Net [Member] Receivables and Accruals, Net [Member] Receivables and Accruals, Net [Member] Fair Value, Hierarchy [Axis] Fair Value, Hierarchy [Axis] Fair Value, Measurements, Fair Value Hierarchy [Domain] Fair Value Hierarchy [Domain] Quoted prices in active markets for identical assets (Level 1) Fair Value, Inputs, Level 1 [Member] Significant other observable inputs (Level 2) Fair Value, Inputs, Level 2 [Member] Significant unobservable input (Level 3) Fair Value, Inputs, Level 3 [Member] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair value of plan assets Defined Benefit Plan, Fair Value of Plan Assets Investment commitment Investment Commitment Commitment to invest in private equity securities. Unfunded portion of investment commitment Unfunded Portion of Investment Commitment Unfunded portion of commitment to invest in private equity securities. Level 3 fair value of pension plans' assets [Roll Forward] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Plan assets at fair value at beginning of period Sales Defined Benefit Plan Sales Sales of plan assets that occured during the period. Unrealized gain Defined Benefit Plan, Actual Return on Plan Assets Still Held Fair value of plan assets at plan year end Capital Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract] 2016 Capital Leases, Future Minimum Payments Due, Next Twelve Months 2017 Capital Leases, Future Minimum Payments Due in Two Years 2018 Capital Leases, Future Minimum Payments Due in Three Years 2019 Capital Leases, Future Minimum Payments Due in Four Years 2020 Capital Leases, Future Minimum Payments Due in Five Years Thereafter Capital Leases, Future Minimum Payments Due Thereafter Total minimum capital lease payments Capital Leases, Future Minimum Payments Due Less amounts representing interest Capital Leases, Future Minimum Payments, Interest Included in Payments Present value of net minimum capital lease payments Capital Leases, Future Minimum Payments, Present Value of Net Minimum Payments Less current maturities of capital lease obligations Total long-term capital lease obligations Stockholders' Equity Stockholders' Equity Note Disclosure [Text Block] Related Party Transactions [Abstract] Schedule of Related Party Transactions, by Related Party [Table] Schedule of Related Party Transactions, by Related Party [Table] Packaging Corporation of America Packaging Corporation of America [Member] Packaging Corporation of America [Member] Related Party [Axis] Related Party [Axis] Related Party [Domain] Related Party [Domain] Boise Cascade Co-Owner of LTP Co-venturer [Member] Products and Services [Axis] Products and Services [Axis] Products and Services [Domain] Products and Services [Domain] Fiber Fiber [Member] Fiber [Member] Related Party Transaction [Line Items] Related Party Transaction [Line Items] Variable interest entity, ownership percentage Variable Interest Entity, Qualitative or Quantitative Information, Ownership Percentage Carrying amount of LTP's assets Variable Interest Entity, Consolidated, Carrying Amount, Assets Carrying amount of LTP's liabilities Variable Interest Entity, Consolidated, Carrying Amount, Liabilities Revenue from Related Parties Revenue from Related Parties Fiber Costs From Related Parties Related Parties Amount in Cost of Sales Schedule II - Valuation and Qualifying Accounts Schedule of Valuation and Qualifying Accounts Disclosure [Text Block] Schedule of Finite-Lived Intangible Assets [Table] Schedule of Finite-Lived Intangible Assets [Table] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Customer Relationships Customer Relationships [Member] Trademarks and Trade Names Trademarks and Trade Names [Member] Other Intangible Assets Other Intangible Assets [Member] Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Weighted Average Useful Life (in Years) Finite-Lived Intangible Asset, Useful Life Gross Carrying Amount Finite-Lived Intangible Assets, Gross Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization Intangible asset amortization expense Amortization of Intangible Assets Estimated Future Intangible Amortization Expense Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] 2016 Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months 2017 Finite-Lived Intangible Assets, Amortization Expense, Year Two 2018 Finite-Lived Intangible Assets, Amortization Expense, Year Three 2019 Finite-Lived Intangible Assets, Amortization Expense, Year Four 2020 Finite-Lived Intangible Assets, Amortization Expense, Year Five Components of Consolidated Income Tax Provision Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Summary of Effective Tax Rate Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Summary of Operating Loss Carryforwards Summary of Operating Loss Carryforwards [Table Text Block] Deferred Income Tax Assets and Liabilities Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Summary of Uncertain Tax Position Summary of Income Tax Contingencies [Table Text Block] Disclosure U S Treasury Grant Additional Information [Abstract] Disclosure - US Treasury Grant - Additional Information [Abstract] Mill at St. Helens, Oregon [Member] Mill at St. Helens, Oregon [Member] Mill at St. Helens, Oregon [Member] Income Statement Location [Axis] Income Statement Location [Axis] Income Statement Location [Domain] Income Statement Location [Domain] Other Expense Other Expense [Member] Consolidation Items [Axis] Consolidation Items [Axis] Consolidation Items [Domain] Consolidation Items [Domain] Intersegment Eliminations Intersegment Eliminations [Member] Operating Segments Operating Segments [Member] Segment Reconciling Items Segment Reconciling Items [Member] Nonrecurring Activity [Axis] Nonrecurring Activity [Axis] Nonrecurring Activity [Axis] Nonrecurring Activity [Domain] Nonrecurring Activity [Domain] [Domain] for Nonrecurring Activity [Axis] DeRidder Restructuring Costs Restructuring Charges [Member] Acquisition Inventory Step-Up Acquisition Inventory Step-Up [Member] Acquisition Inventory Step-Up [Member] Integration-Related and Other Costs Integration-Related and Other Costs [Member] Integration-Related and Other Costs [Member] Nonrecurring Acquisition-Related Costs Nonrecurring Acquisition-Related Costs [Member] Nonrecurring Acquisition-Related Costs [Member] Acquisition-Related Debt Financing Costs Acquisition-Related Debt Financing Costs [Member] Acquisition-Related Debt Financing Costs [Member] Acquisition Financing Expense Acquisition Financing Expense [Member] Acquisition Financing Expense [Member] Treasury Lock Treasury Lock [Member] Trade sales Sales Revenue, Goods, Net Intersegment sales Revenues Operating Income (Loss) Income before taxes Depreciation, amortization, and depletion Depreciation, Depletion and Amortization Capital expenditures Assets Gain (Loss) on Disposition of Assets Gain (Loss) on Disposition of Assets Class action lawsuit settlement Gain (Loss) Related to Litigation Settlement Reclassification out of Accumulated Other Comprehensive Income [Table] Reclassification out of Accumulated Other Comprehensive Income [Table] Derivative Instrument Risk [Axis] Derivative Instrument [Axis] Derivative Contract Type [Domain] Derivative Contract [Domain] Foreign Exchange Contract Foreign Exchange Contract [Member] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Foreign Currency Translation Adjustments Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member] Unfunded Employee Benefit Obligations Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] Reclassification Out Of Accumulated Other Comprehensive Income [Axis] Reclassification out of Accumulated Other Comprehensive Income [Axis] Reclassification Out Of Accumulated Other Comprehensive Income [Domain] Reclassification out of Accumulated Other Comprehensive Income [Domain] Reclassification Out Of Accumulated Other Comprehensive Income Reclassification out of Accumulated Other Comprehensive Income [Member] Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items] Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items] Amortization of prior service cost Amortization of actuarial gain / (losses) Reclassification adjustment for cash flow hedges included in net income, tax Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Tax Amortization of pension and postretirement plans actuarial loss and prior service cost, tax Other Comprehensive Income Amortization Of Defined Benefit Plan Net Prior Service Cost And Net Loss Recognized In Net Periodic Pension Cost Tax Tax effect of the adjustment out of other comprehensive income for prior service costs and net loss recognized as a component of net periodic benefit cost during the period. Changes in unfunded employee benefit obligations, tax Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss And Net Prior Service Costs Arising During Period Tax Tax effect of the accumulated change in the value of either the projected benefit obligation or the plan assets resulting from experience different from that assumed or from a change in an actuarial assumption that has not been recognized in net periodic benefit cost. Also includes the tax effect of the cost (credit) resulting from a plan amendment that occurred during the period that has not been recognized in net periodic benefit cost. Transactions With Related Parties Related Party Transactions Disclosure [Text Block] Disclosure Alternative Energy Tax Credits Additional Information [Abstract] Disclosure - Alternative Energy Tax Credits - Additional Information [Abstract] Alternative Energy Tax Credits [Table] Alternative Energy Tax Credits [Table] Alternative Energy Tax Credits [Table] Balance Sheet Location [Axis] Balance Sheet Location [Axis] Balance Sheet Location [Domain] Balance Sheet Location [Domain] Other Long-Term Liabilities Other Long-Term Liabilities [Member] Line item in the statement of financial position including long-term liabilities not elsewhere disclosed. Cellulosic Biofuel Tax Credits Cellulosic Biofuel Tax Credits [Member] Cellulosic Biofuel Tax Credits Alternative Energy Tax Credits Alternative Energy Tax Credits [Member] Alternative Energy Tax Credits Tax Related to Cellulosic Biofuel Tax Credits Tax Related to Cellulosic Biofuel Tax Credits [Member] Tax Related to Cellulosic Biofuel Tax Credits[Member] Accrued Interest Related to Cellulosic Biofuel Tax Credits Accrued Interest Related to Cellulosic Biofuel Tax Credits [Member] Accrued Interest Related to Cellulosic Biofuel Tax Credits [Member] Income Tax Credits And Adjustments [Axis] Income Tax Credits And Adjustments [Axis] Income Tax Credits And Adjustments [Axis] Income Tax Credits And Adjustments [Domain] Income Tax Credits And Adjustments [Domain] Income Tax Credits And Adjustments [Domain] Alternative Energy Tax Credits [Line Items] Alternative Energy Tax Credits [Line Items] Alternative Energy Tax Credits [Line Items] Refundable tax credit per gallon Tax Credit Per Gallon Represents tax credit per gallon of alternative fuel produced. Capital Leases, Balance Sheet, Assets by Major Class, Net [Abstract] Schedule of Capital Leased Assets [Table] Schedule of Capital Leased Assets [Table] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Domain] Property, Plant and Equipment, Type [Domain] Buildings Building [Member] Machinery and Equipment Machinery and Equipment [Member] Capital Leased Assets [Line Items] Capital Leased Assets [Line Items] Total capital lease assets, Gross Capital Leased Assets, Gross Less accumulated amortization Capital Leases, Lessee Balance Sheet, Assets by Major Class, Accumulated Depreciation Total capital lease assets, net Capital Leases, Balance Sheet, Assets by Major Class, Net Acquisitions and Dispositions Business Combination Disclosure [Text Block] Computation of Basic and Diluted Income Per Common Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table] Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table] Award Type [Axis] Award Type [Axis] Award Type [Domain] Equity Award [Domain] Restricted Stock Restricted Stock [Member] Performance Units Performance Shares [Member] Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] Impact on income before income taxes Allocated Share-based Compensation Expense Income tax benefit Employee Service Share-based Compensation, Tax Benefit from Compensation Expense Impact on net income Allocated Share-based Compensation Expense, Net of Tax Inventory Disclosure [Abstract] Raw materials Inventory, Raw Materials, Gross Work in process Inventory, Work in Process, Gross Finished goods Inventory, Finished Goods, Gross Supplies and materials Other Inventory, Supplies, Gross Inventories Debt Debt Disclosure [Text Block] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Number of shares authorized under plan Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized Long-term equity incentive plan, termination date Long Term Equity Incentive Plan Termination Date The date when the equity incentive plan expires, which may be presented in a variety of ways (for example, year, month and year, day, month and year, quarter of a year). Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant Fair value of awards vested Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value Stock Issued During Period, Shares, Restricted Stock Award, Gross Stock Issued During Period, Shares, Restricted Stock Award, Gross Common Stock Dividends, Shares Common Stock Dividends, Shares Share Repurchase Program Share Repurchase Program [Table Text Block] Disclosure of share repurchase activity, authorized share repurchase activity and remaining available shares for repurchase. Components of Changes in Accumulated Other Comprehensive Income (AOCI) Schedule of Amounts Recognized in Other Comprehensive Income (Loss) [Table Text Block] Reclassifications Out of Accumulated Other Comprehensive Income (AOCI) Disclosure of Reclassification Amount [Text Block] Derivative Instruments and Hedging Activities Disclosure [Abstract] Impact of Derivative Instruments On Statements of Income and Accumulated OCI Derivative Instruments, Gain (Loss) [Table Text Block] Effect on postretirement benefit obligation, 1-Percentage Point Increase Defined Benefit Plan, Effect of One Percentage Point Increase on Accumulated Postretirement Benefit Obligation Effect on net postretirement benefit cost, 1-Percentage Point Increase Defined Benefit Plan, Effect of One Percentage Point Increase on Service and Interest Cost Components Effect on postretirement benefit obligation, 1-Percentage Point Decrease Defined Benefit Plan, Effect of One Percentage Point Decrease on Accumulated Postretirement Benefit Obligation Effect on net postretirement benefit cost, 1-Percentage Point Decrease Defined Benefit Plan, Effect of One Percentage Point Decrease on Service and Interest Cost Components Quarterly Financial Information Disclosure [Abstract] Schedule Of Quarterly Financial Data [Table] Schedule Of Quarterly Financial Data [Table] Schedule Of Quarterly Financial Data [Table] Adjustments for Error Corrections [Axis] Adjustments for Error Corrections [Axis] Adjustments for Error Correction [Domain] Adjustments for Error Correction [Domain] Louisiana State Settled Litigation Settled Litigation [Member] Quarterly Financial Data [Line Items] Quarterly Financial Data [Line Items] Quarterly Financial Data [Line Items] Gross profit Operating Income (Loss) Stock price - high High Stock Price Per Share Represents the high price of the Company's stock during the reporting period. Stock price - low Low Stock Price Per Share Represents the low price of the Company's stock during the reporting period. Decrease (Increase) in net income Quarterly Financial Information, Quarterly Charges and Credits, Amount Affecting Comparability Decrease (Increase) in net income per diluted share Quarterly Financial Information Quarterly Charges And Credits Amount Per Diluted Share Affecting Comparability Per share amount of the item included in the interim period that affected period-to-period comparability (excluding restatement adjustments). Correction of income statement classification Quantifying Misstatement in Current Year Financial Statements, Amount Derivative Instruments, Gain (Loss) by Hedging Relationship, by Income Statement Location, by Derivative Instrument Risk [Table] Derivative Instruments, Gain (Loss) [Table] Treasury Locks, Net Of Tax Interest Rate Contract [Member] Interest Expense Interest Expense [Member] Derivative Instruments, Gain (Loss) [Line Items] Derivative Instruments, Gain (Loss) [Line Items] Net Gain (Loss) Recognized in Accumulated OCI (Effective Portion) Derivative Instruments Gains Losses Recognized In Accumulated Other Comprehensive Income Effective Portion Net The effective portion of gains and losses on derivative instruments (and non derivative instruments) designated and qualifying as cash flow hedges recorded in accumulated other comprehensive income (loss) during the term of the hedging relationship, net of reclassified amounts. Gain (Loss) Reclassified from Accumulated OCI into Income (Effective Portion) Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net Compensation and benefits Accrued Employee Benefits, Current Medical insurance and workers’ compensation Accrued Insurance, Current Franchise, property, sales and use taxes Accrual For Franchise Property Sales And Use Taxes Current Carrying value as of the balance sheet date of obligations incurred and payable for real and property taxes, sales and use taxes, and franchise taxes. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Customer volume discounts and rebates Accrued Marketing Costs, Current Severance, retention, and relocation Supplemental Unemployment Benefits, Severance Benefits Environmental liabilities and asset retirement obligations Accrued Environmental Loss Contingencies, Current Other Other Accrued Liabilities, Current Total Accounting Policies [Abstract] Summary of Significant Accounting Policies [Table] New Accounting Pronouncements or Change in Accounting Principle [Table] Other Long-Term Assets Other Long-Term Assets [Member] Other Long-Term Assets [Member] Fiber Supply [Axis] Fiber Supply [Axis] Fiber Supply [Axis] Fiber Supply [Domain] Fiber Supply [Domain] [Domain] for Fiber Supply [Axis] Cutting Rights and Fiber Farms Cutting Rights and Fiber Farms [Member] Cutting Rights and Fiber Farms [Member] Summary of Significant Accounting Policies [Line Items] New Accounting Pronouncements or Change in Accounting Principle [Line Items] Research and development costs Research and Development Expense Cash equivalents Cash Equivalents, at Carrying Value Allowance for doubtful accounts Allowance for Doubtful Accounts Receivable Customer returns, allowances and earned discounts as a percentage of gross selling price Percentage Of Customer Returns Allowances And Earned Discounts To Gross Selling Price Percentage of customer returns, allowances and earned discounts to gross selling price. Reserve for customer accounts receivable, percentage Reserve Percentage For Customer Deductions Represents the percentage of accounts receivable reserved for customer returns, allowances and earned discounts. Reserve for customer deductions Reserve For Customer Deductions Represents a reserve for customer returns, allowances and earned discounts. Interest capitalization, construction in progress Interest Costs Capitalized Intangible asset, useful life, in years Term of senior credit facilities and notes, in years Term Of Senior Credit Facilities And Notes Represents term of senior credit facilities and notes. Unamortized deferred financing costs Deferred Finance Costs, Net Area leased under timberland cutting rights (acres) Area Leased Under Timberland Cutting Rights Represents number of acres of timberland under cutting right leases. Area leased where fiber farms are operated (acres) Area Leased Where Fiber Farms Are Operated Area leased where fiber farms are operated Long-term lease costs capitalization (Cutting rights and Fiber farms) Capitalized Payments Under Timber Cutting Rights and Fiber Farms Leases Represents amount of lease payments under long-term timberland cutting rights leases and fiber farms that are capitalized. Depletion expense Depletion Net capitalized software costs Capitalized Computer Software, Net Software amortization expense Capitalized Computer Software, Amortization Provision computed at U.S. Federal statutory rate of 35% Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount Alternative fuel mixture and cellulosic biofuel producer credits Effective Income Tax Rate Reconciliation, Tax Credit, Amount State and local taxes, net of federal benefit Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount Domestic manufacturers deduction Effective Income Tax Rate Reconciliation, Deduction, Qualified Production Activity, Amount Other Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount Total provision (benefit) for taxes U.S. Federal statutory rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Accumulated Other Comprehensive Income Loss [Table] Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Balance at December 31, 2014 Other comprehensive income (loss) before reclassifications, net of tax Other Comprehensive Income (Loss), before Reclassifications, Net of Tax Amounts reclassified from AOCI, net of tax Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax Balance at December 31, 2015 Net amount of settlement gains (losses) on derivative instruments included in accumulated OCI to be amortized over next 12 months, before tax Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months Net amount of settlement gains (losses) on derivative instruments included in accumulated OCI to be amortized over next 12 months, after tax Cash Flow Hedge Gain Loss To Be Reclassified Within Twelve Months Net Of Tax The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months, net of tax. Share-Based Compensation Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Subsequent Event [Table] Subsequent Event [Table] Subsequent Event [Line Items] Subsequent Event [Line Items] Components of Inventories Schedule of Inventory, Current [Table Text Block] Property, Plant and Equipment (at cost) Property, Plant and Equipment [Table Text Block] Property, Plant and Equipment Estimated Useful Lives Property, Plant and Equipment Estimated Useful Lives [Table Text Block] Property, Plant and Equipment Estimated Useful Lives [Table Text Block] Text Block [Abstract] Employee Benefit Plans and Other Postretirement Plans Pension and Other Postretirement Benefits Disclosure [Text Block] Weighted-Average Assumptions Used to Determine Benefit Obligation, Discount Rate Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate Weighted-Average Assumptions Used to Determine Benefit Obligations, Rate of compensation increase Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Rate of Compensation Increase Weighted-Average Assumptions Used to Determine Net Periodic Benefit Cost, Discount rate Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate Weighted-Average Assumptions Used to Determine Net Periodic Benefit Cost, Expected return on plan assets Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Return on Assets Weighted-Average Assumptions Used to Determine Net Periodic Benefit Cost, Rate of compensation increase Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Rate of Compensation Increase Discount rate to calculate net periodic benefit cost for 2016 Weighted-Average expected return on plan assets for 2016 Schedule of Commitments and Contingencies [Table] Schedule Of Commitments And Contingencies [Table] Schedule Of Commitments And Contingencies [Table] Environmental Liability Type [Axis] Environmental Liability Type [Axis] Environmental Liability Type [Axis] Environmental Liability Type [Domain] Environmental Liability Type [Domain] [Domain] for Environmental Liability Type [Axis] Asset Retirement Obligation Asset Retirement Obligation [Member] Asset Retirement Obligation [Member] Environmental Contingencies Environmental Contingencies [Member] Environmental Contingencies [Member] Schedule Of Commitments And Contingencies [Line Items] Schedule Of Commitments And Contingencies [Line Items] Schedule Of Commitments And Contingencies [Line Items] Capital commitments Capital Commitments Represents the amount of capital committed for the expansion and replacement of existing facilities and equipment. Remaining lease term Lessee Leasing Arrangements, Operating Leases, Term of Contract Average lease renewal term Lessee Leasing Arrangements, Operating Leases, Renewal Term Total lease expense Operating Leases, Rent Expense Capital lease obligations Capital Lease Obligations Interest paid, capital lease obligations Interest Expense, Lessee, Assets under Capital Lease Purchase commitments term, years Long-term Purchase Commitment, Period Purchases during period under purchase agreements Current Period Purchases Under Long Term Purchase Agreements Represents amounts paid in current period under long-term purchase agreements. Environmental reserve Accrual for Environmental Loss Contingencies Number of other U.S. and Canadian containerboard producers Loss Contingency, Parties Jointly and Severally Liable in Litigation Number of lawsuits filed by the plaintiffs Loss Contingency, New Claims Filed, Number 2016 Defined Benefit Plan, Expected Future Benefit Payments, Next Twelve Months 2017 Defined Benefit Plan, Expected Future Benefit Payments, Year Two 2018 Defined Benefit Plan, Expected Future Benefit Payments, Year Three 2019 Defined Benefit Plan, Expected Future Benefit Payments, Year Four 2020 Defined Benefit Plan, Expected Future Benefit Payments, Year Five 2021 - 2025 Defined Benefit Plan, Expected Future Benefit Payments, Five Fiscal Years Thereafter Summary of Quarterly Financial Data Schedule of Quarterly Financial Information [Table Text Block] Alternative Energy Tax Credits Alternative Energy Tax Credits [Text Block] Provides disclosures pertaining to the alternative fuel mixture and cellulosic biofuel producer tax credits. Statement of Stockholders' Equity [Abstract] Statement [Table] Statement [Table] Common Stock Common Stock [Member] Treasury Stock Treasury Stock [Member] Additional Paid in Capital Additional Paid-in Capital [Member] Retained Earnings Retained Earnings [Member] Accumulated Other Comprehensive Loss AOCI Attributable to Parent [Member] Beginning Balance (in shares) Shares, Outstanding Beginning Balance Common stock repurchases and retirements (in shares) Common stock repurchases and retirements Common stock withheld and retired to cover taxes on vested stock awards (in shares) Common Stock Withheld to Cover Taxes on Vested Stock Awards Common stock withheld to cover taxes on vested stock awards during the period Common stock withheld and retired to cover taxes on vested stock awards Common Stock Withheld to Cover Taxes on Vested and Retired Stock Awards Value Common stock withheld to cover taxes on vested and retired stock awards value during the period Common stock dividends declared Dividends, Common Stock, Cash Restricted stock grants and cancellations (in shares) Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures Restricted stock grants and cancellations Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures Exercise of stock options (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Exercise of stock options Stock Issued During Period, Value, Stock Options Exercised Share-based compensation expense Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition Comprehensive income Ending Balance (in shares) Ending Balance Unrecognized compensation expense Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized Weighted-average recognition period Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition 2016 Unrecorded Unconditional Purchase Obligation, Due in Next Rolling Twelve Months 2017 Unrecorded Unconditional Purchase Obligation, Due within Two Years 2018 Unrecorded Unconditional Purchase Obligation, Due within Three Years 2019 Unrecorded Unconditional Purchase Obligation, Due within Four Years 2020 Unrecorded Unconditional Purchase Obligation, Due within Five Years Thereafter Unrecorded Unconditional Purchase Obligation, Due after Five Years Total Unrecorded Unconditional Purchase Obligation Commitments, Guarantees, Indemnifications, and Legal Proceedings Commitments and Contingencies Disclosure [Text Block] Current income tax provision (benefit) - Current Income Tax Expense (Benefit), Continuing Operations [Abstract] U.S. Federal Current Federal Tax Expense (Benefit) State and local Current State and Local Tax Expense (Benefit) Foreign Current Foreign Tax Expense (Benefit) Total current provision for taxes Current Income Tax Expense (Benefit) Deferred - Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract] U.S. Federal Deferred Federal Income Tax Expense (Benefit) State and local Deferred State and Local Income Tax Expense (Benefit) Foreign Deferred Foreign Income Tax Expense (Benefit) Total deferred provision (benefit) for taxes New Accounting Pronouncement, Early Adoption [Table] New Accounting Pronouncement, Early Adoption [Table] New Accounting Pronouncement, Early Adoption [Axis] New Accounting Pronouncement, Early Adoption [Axis] New Accounting Principles, Early Adoption [Domain] New Accounting Principles, Early Adoption [Domain] New Accounting Pronouncement, Early Adoption, Effect [Member] New Accounting Pronouncement, Early Adoption, Effect [Member] New Accounting Pronouncement, Early Adoption [Line Items] New Accounting Pronouncement, Early Adoption [Line Items] Deferred tax asset net reclassified from current to non-current Deferred Tax Assets, Net, Current Document and Entity Information [Abstract] Document and Entity Information [Abstract] Document Type Document Type Amendment Flag Amendment Flag Document Period End Date Document Period End Date Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Trading Symbol Trading Symbol Entity Registrant Name Entity Registrant Name Entity Central Index Key Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Entity Current Reporting Status Entity Current Reporting Status Entity Voluntary Filers Entity Voluntary Filers Entity Filer Category Entity Filer Category Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Entity Public Float Entity Public Float Derivative Instruments and Hedging Activities Derivative Instruments and Hedging Activities Disclosure [Text Block] Components of Other (Income) Expense Schedule of Other Operating Cost and Expense, by Component [Table Text Block] Income Taxes Income Tax Disclosure [Text Block] Summary of Debt Schedule of Long-term Debt Instruments [Table Text Block] Property, Plant and Equipment [Abstract] Schedule of Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Land and Land Improvements Land and Land Improvements [Member] Construction in Progress Construction in Progress [Member] Other Other Capitalized Property Plant and Equipment [Member] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Property, plant, and equipment, at cost Property, Plant and Equipment, Gross Less accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Property, plant, and equipment, net Depreciation [Abstract] Depreciation [Abstract] Depreciation expense Depreciation Incremental depreciation Restructuring and Related Cost, Accelerated Depreciation Change in Benefit Obligations [Roll Forward] Defined Benefit Plan, Change in Benefit Obligation [Roll Forward] Benefit obligation at beginning of period Defined Benefit Plan, Benefit Obligation Plan amendments Defined Benefit Plan, Plan Amendments Actuarial (gain) loss Defined Benefit Plan, Actuarial Gain (Loss) Participant contributions Defined Benefit Plan, Contributions by Plan Participants Benefits paid Defined Benefit Plan, Benefits Paid Benefit obligation at plan year end Accumulated benefit obligation portion of above Defined Benefit Plan, Accumulated Benefit Obligation Change in Fair Value of Plan Assets [Roll Forward] Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] Actual return on plan assets Defined Benefit Plan, Actual Return on Plan Assets Participant contributions Benefits paid Underfunded status Defined Benefit Plan, Plans with Benefit Obligations in Excess of Plan Assets, Aggregate Benefit Obligation Amounts Recognized on Consolidated Balance Sheets Defined Benefit Plan, Amounts Recognized in Balance Sheet [Abstract] Current liabilities Pension and Other Postretirement Defined Benefit Plans, Current Liabilities Noncurrent liabilities Accrued obligation recognized at December 31 Pension and Other Postretirement Defined Benefit Plans, Liabilities Amounts Recognized in Accumulated Other Comprehensive (Income) Loss (Pre-Tax) Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), before Tax [Abstract] Amounts Recognized in Accumulated Other Comprehensive (Income) Loss (Pre-Tax) Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), Net Prior Service Cost (Credit), before Tax Actuarial loss Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), Net Gains (Losses), before Tax Total Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), before Tax Accumulated benefit obligation for plans with obligations in excess of plan assets Defined Benefit Plan, Pension Plans with Accumulated Benefit Obligations in Excess of Plan Assets, Aggregate Accumulated Benefit Obligation Dividends [Axis] Dividends [Axis] Dividends [Domain] Dividends [Domain] Annual Dividend [Member] Annual Dividend [Member] Annual Dividend [Member] Common stock dividends paid Common Stock, Dividends, Per Share, Cash Paid Common Stock, Dividends, Per Share, Cash Paid Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Quarterly Results of Operations (Unaudited) Quarterly Financial Information [Text Block] Consolidation Consolidation, Policy [Policy Text Block] Use of Estimates Use of Estimates, Policy [Policy Text Block] Revenue Recognition Revenue Recognition, Policy [Policy Text Block] Planned Major Maintenance Costs Property, Plant and Equipment, Planned Major Maintenance Activities, Policy [Policy Text Block] Share-Based Compensation Share-based Compensation, Option and Incentive Plans Policy [Policy Text Block] Research and Development Research and Development Expense, Policy [Policy Text Block] Foreign Currency Foreign Currency Transactions and Translations Policy [Policy Text Block] Cash and Cash Equivalents Cash and Cash Equivalents, Policy [Policy Text Block] Trade Accounts Receivable, Allowance for Doubtful Accounts, and Customer Deductions Trade and Other Accounts Receivable, Policy [Policy Text Block] Derivative Instruments and Hedging Activities Derivatives, Methods of Accounting, Hedging Derivatives [Policy Text Block] Fair Value Measurements Fair Value Measurement, Policy [Policy Text Block] Inventory Valuation Inventory, Policy [Policy Text Block] Property, Plant, and Equipment Property, Plant and Equipment, Policy [Policy Text Block] Depreciation and Useful Life Depreciation, Depletion, and Amortization [Policy Text Block] Leases Lease, Policy [Policy Text Block] Long-Lived Asset Impairment Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block] Goodwill and Intangible Assets Goodwill and Intangible Assets, Policy [Policy Text Block] Pension and Postretirement Benefits Pension and Other Postretirement Plans, Policy [Policy Text Block] Environmental Matters Environmental Costs, Capitalization Policy [Policy Text Block] Asset Retirement Obligations Asset Retirement Obligations, Policy [Policy Text Block] Deferred Financing Costs Deferred Charges, Policy [Policy Text Block] Cutting Rights and Fiber Farms Cutting Rights and Fiber Farms [Policy Text Block] Describes the method of accounting for cutting rights and fiber farms and the capitalization of costs and associated balance sheet location of recorded amounts Deferred Software Costs Internal Use Software, Policy [Policy Text Block] Income Taxes Income Tax, Policy [Policy Text Block] Trade Agreements Trade Agreements Policy [Text Block] Disclosure of accounting policy for transactions under trade agreements. New and Recently Adopted Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Segment Information Segment Reporting, Policy [Policy Text Block] Changes In the Carrying Amount of Goodwill Schedule of Goodwill [Table Text Block] Components of Intangible Assets Schedule of Finite-Lived Intangible Assets [Table Text Block] Health care cost trend rate assumed for next year Defined Benefit Plan, Health Care Cost Trend Rate Assumed for Next Fiscal Year Rate to which the cost trend rate is assumed to decline (the ultimate trend rate) Defined Benefit Plan, Ultimate Health Care Cost Trend Rate Year that the rate reaches the ultimate trend rate Defined Benefit Plan, Year that Rate Reaches Ultimate Trend Rate Debt Securities Debt Securities [Member] International Equity Securities International Equity Securities [Member] International Equity Securities [Member] U.S. Equity Securities U.S. equity securities [Member] Target allocation percentage of investments in U.S. equity securities to total plan assets presented on a weighted-average basis as of the measurement date of the latest statement of financial position. Real Estate Securities Real estate securities [Member] Target allocation percentage of investments in Real estate securities to total plan assets presented on a weighted-average basis as of the measurement date of the latest statement of financial position. Other Securities Other Securities [Member] Other securities [Member] Equities Equity Securities [Member] Percentage of Fair Value Defined Benefit Plan, Actual Plan Asset Allocations Target Allocations Defined Benefit Plan, Target Plan Asset Allocations Asset disposals and write-offs Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property Integration-related and other costs Business Combination, Integration Related Costs DeRidder restructuring Restructuring, Settlement and Impairment Provisions Refundable state tax credit Refundable state tax credit Refundable state tax credit for retention and investment. This credit is not dependent on ongoing tax status or tax position and as such is not considered part of income taxes. Class action lawsuit settlement Acquisition-related costs Business Combination, Acquisition Related Costs Pension curtailment charges Other Other Cost and Expense, Operating Total Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract] Restricted Stock and Performance Unit Activity [Roll Forward] Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Outstanding at January 1 Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Granted Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Vested Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Forfeitures Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Outstanding at December 31 Restricted Stock and Performance Unit Activity (Weighted Average Grant-date Fair Value) [Abstract] Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Weighted average grant-date fair value, Outstanding at January 1 Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Weighted average grant-date fair value, Granted Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Weighted average grant-date fair value, Vested Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Weighted average grant-date fair value, Forfeitures Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Weighted average grant-date fair value, Outstanding at December 31 Derivative [Table] Derivative [Table] Derivative, by Nature [Axis] Derivative, by Nature [Axis] Derivative, Name [Domain] Derivative, Name [Domain] 2008 Interest Rate Protection Agreement Two Thousand And Eight Interest Rate Protection Agreement [Member] Two Thousand And Eight Interest Rate Protection Agreement 2010 Interest Rate Protection Agreement Two Thousand And Ten Interest Rate Protection Agreement [Member] Two Thousand And Ten Interest Rate Protection Agreement 2011 Interest Rate Protection Agreement Two Thousand And Eleven Interest Rate Protection Agreement [Member] Two Thousand And Eleven Interest Rate Protection Agreement [Member] Derivative [Line Items] Derivative [Line Items] Payments for (Proceeds from) settlement of interest rate protection agreement Payments for (Proceeds from) Hedge, Financing Activities Deferred Tax Assets, Operating Loss Carryforwards, Alternative [Abstract] Operating Loss Carryforwards [Table] Operating Loss Carryforwards [Table] 2016 through 2025 Next 10 Years [Member] [Member] Next 10 Years [Member] [Member] 2026 Through 2035 Years 11 through 20 [Member] Years 11 through 20 [Member] Indefinite Indefinite [Member] Indefinite Operating Loss Carryforwards [Line Items] Operating Loss Carryforwards [Line Items] U.S. federal and non-U.S. NOLs Operating Loss Carryforwards US Federal and Non US Operating Loss Carryforwards U.S. Federal and Non U.S. State taxing jurisdiction NOLs Operating Loss Carryforwards State Taxing Jurisdiction Operating Loss Carryforwards State Taxing Jurisdiction U.S. federal, non-U.S., and state tax credit carryforwards Tax Credit Carryforward US Federal Non US and State Tax Credit Carryforward US Federal Non US and State U.S. federal capital loss carryforwards US Federal Capital Loss Carryforwards US Federal Capital Loss Carryforwards Total Operating Loss Carryforwards Disclosure Estimated Useful Lives Of Assets [Abstract] Disclosure - Estimated Useful Lives of Assets [Abstract] Buildings And Land Improvements Buildings And Land Improvements [Member] Buildings And Land Improvements [Member] Trucks and Automobiles Vehicles [Member] Furniture and Fixtures Furniture and Fixtures [Member] Computers and Hardware Technology Equipment [Member] Leasehold Improvements Leasehold Improvements [Member] Estimated useful life of asset (in years) Property, Plant and Equipment, Useful Life Estimated useful life of asset, description Property, Plant and Equipment, Estimated Useful Lives Earnings Per Share Earnings Per Share [Text Block] Revenue from External Customers by Products and Services [Table] Revenue from External Customers by Products and Services [Table] Corporate and Other Corporate and Other with Eliminations [Member] Corporate and Other with Eliminations [Member] White Papers White Papers [Member] Product line - White Papers Market Pulp Market Pulp [Member] Product line - Market Pulp Revenue from External Customer [Line Items] Revenue from External Customer [Line Items] Segment sales to external customers Goodwill and Intangible Assets Goodwill and Intangible Assets Disclosure [Text Block]