Summary of Significant Accounting Policies (Policies)	12 Months Ended
Summary of Significant Accounting Policies (Policies)	Dec. 25, 2016
Accounting Policies [Abstract]
Principles of Consolidation	Principles of Consolidation The accompanying Consolidated Financial Statements have been prepared in accordance with generally accepted accounting principles in the United States of America (“GAAP”) and include the accounts of our Company and our wholly and majority-owned subsidiaries after elimination of all significant intercompany transactions. The portion of the net income or loss and equity of a subsidiary attributable to the owners of a subsidiary other than the Company (a noncontrolling interest) is included as a component of consolidated stockholders‘ equity in our Consolidated Balance Sheets, within net income or loss in our Consolidated Statements of Operations, within comprehensive income or loss in our Consolidated Statements of Comprehensive Income/(Loss) and as a component of consolidated stockholders’ equity in our Consolidated Statements of Changes in Stockholders’ Equity.
Use of Estimates	Use of Estimates The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the amounts reported in our Consolidated Financial Statements. Actual results could differ from these estimates.
Fiscal Year	Fiscal Year Our fiscal year end is the last Sunday in December. Fiscal years 2016, 2015 and 2014 each comprised 52 weeks and ended on December 25, 2016, December 27, 2015, and December 28, 2014, respectively.
Cash and Cash Equivalents	Cash and Cash Equivalents We consider all highly liquid debt instruments with original maturities of three months or less to be cash equivalents.
Marketable Securities	Marketable Securities We have investments in marketable debt securities. We determine the appropriate classification of our investments at the date of purchase and reevaluate the classifications at the balance sheet date. Marketable debt securities with maturities of 12 months or less are classified as short-term. Marketable debt securities with maturities greater than 12 months are classified as long-term. We have the intent and ability to hold our marketable debt securities until maturity; therefore, they are accounted for as held-to-maturity and stated at amortized cost.
Concentration of Risk	Concentration of Risk Financial instruments, which potentially subject us to concentration of risk, are cash and cash equivalents and investments. Cash is placed with major financial institutions. As of December 25, 2016, we had cash balances at financial institutions in excess of federal insurance limits. We periodically evaluate the credit standing of these financial institutions as part of our ongoing investment strategy. Our investment portfolio consists of investment-grade securities diversified among security types, issuers and industries. Our cash equivalents and investments are primarily managed by third-party investment managers who are required to adhere to investment policies approved by our Board of Directors designed to mitigate risk.
Accounts Receivable	Accounts Receivable Credit is extended to our advertisers and our subscribers based upon an evaluation of the customer’s financial condition, and collateral is not required from such customers. Allowances for estimated credit losses, rebates, returns, rate adjustments and discounts are generally established based on historical experience.
Inventories	Inventories Inventories are stated at the lower of cost or current market value. Inventory cost is generally based on the last-in, first-out (“LIFO”) method for newsprint and the first-in, first-out (“FIFO”) method for other inventories.
Investments	Investments Investments in which we have at least a 20%, but not more than a 50%, interest are generally accounted for under the equity method. Investment interests below 20% are generally accounted for under the cost method, except if we could exercise significant influence, the investment would be accounted for under the equity method. We evaluate whether there has been an impairment of our cost and equity method investments annually or in an interim period if circumstances indicate that a possible impairment may exist.
Property, Plant and Equipment	Property, Plant and Equipment Property, plant and equipment are stated at cost. Depreciation is computed by the straight-line method over the shorter of estimated asset service lives or lease terms as follows: buildings, building equipment and improvements – 10 to 40 years; equipment – 3 to 30 years; and software – 2 to 5 years. We capitalize interest costs and certain staffing costs as part of the cost of major projects. We evaluate whether there has been an impairment of long-lived assets, primarily property, plant and equipment, if certain circumstances indicate that a possible impairment may exist. These assets are tested for impairment at the asset group level associated with the lowest level of cash flows. An impairment exists if the carrying value of the asset (1) is not recoverable (the carrying value of the asset is greater than the sum of undiscounted cash flows) and (2) is greater than its fair value.
Goodwill and Intangibles	Goodwill and Intangibles Goodwill is the excess of cost over the fair value of tangible and intangible net assets acquired. Goodwill is not amortized but tested for impairment annually or in an interim period if certain circumstances indicate a possible impairment may exist. Our annual impairment testing date is the first day of our fiscal fourth quarter. We test for goodwill impairment at the reporting unit level, which is our single operating segment. We first perform a qualitative assessment to determine whether it is more likely than not that the fair value of a reporting unit is less than its carrying value. The qualitative assessment includes, but is not limited to, the results of our most recent quantitative impairment test, consideration of industry, market and macroeconomic conditions, cost factors, cash flows, changes in key management personnel and our share price. The result of this assessment determines whether it is necessary to perform the goodwill impairment two-step test. For the 2016 annual impairment testing, based on our qualitative assessment, we concluded that it is more likely than not that goodwill is not impaired. If we determine that it is more likely than not that the fair value of a reporting unit is less than its carrying value, in the first step, we compare the fair value of the reporting unit with its carrying amount, including goodwill. Fair value is calculated by a combination of a discounted cash flow model and a market approach model. In calculating fair value for our reporting unit, we generally weigh the results of the discounted cash flow model more heavily than the market approach because the discounted cash flow model is specific to our business and long-term projections. If the fair value exceeds the carrying amount, goodwill is not considered impaired. If the carrying amount exceeds the fair value, the second step must be performed to measure the amount of the impairment loss, if any. In the second step, we compare the implied fair value of the reporting unit’s goodwill with the carrying amount of that goodwill. An impairment loss would be recognized in an amount equal to the excess of the carrying amount of the goodwill over the implied fair value of the goodwill. Intangible assets that are not amortized (i.e., trade names) are tested for impairment at the asset level by comparing the fair value of the asset with its carrying amount. If the fair value, which is based on future cash flows, exceeds the carrying value, the asset is not considered impaired. If the carrying amount exceeds the fair value, an impairment loss would be recognized in an amount equal to the excess of the carrying amount of the asset over the fair value of the asset. Intangible assets that are amortized (i.e., customer lists, non-competes, etc.) are tested for impairment at the asset level associated with the lowest level of cash flows. An impairment exists if the carrying value of the asset (1) is not recoverable (the carrying value of the asset is greater than the sum of undiscounted cash flows) and (2) is greater than its fair value. The discounted cash flow analysis requires us to make various judgments, estimates and assumptions, many of which are interdependent, about future revenues, operating margins, growth rates, capital expenditures, working capital and discount rates. The starting point for the assumptions used in our discounted cash flow analysis is the annual long-range financial forecast. The annual planning process that we undertake to prepare the long-range financial forecast takes into consideration a multitude of factors, including historical growth rates and operating performance, related industry trends, macroeconomic conditions, and marketplace data, among others. Assumptions are also made for perpetual growth rates for periods beyond the long-range financial forecast period. Our estimates of fair value are sensitive to changes in all of these variables, certain of which relate to broader macroeconomic conditions outside our control. The market approach analysis includes applying a multiple, based on comparable market transactions, to certain operating metrics of the reporting unit. The significant estimates and assumptions used by management in assessing the recoverability of goodwill acquired and other intangibles are estimated future cash flows, discount rates, growth rates, as well as other factors. Any changes in these estimates or assumptions could result in an impairment charge. The estimates, based on reasonable and supportable assumptions and projections, require management’s subjective judgment. Depending on the assumptions and estimates used, the estimated results of the impairment tests can vary within a range of outcomes. In addition to annual testing, management uses certain indicators to evaluate whether the carrying value of our reporting unit may not be recoverable and an interim impairment test may be required. These indicators include: (1) current-period operating or cash flow declines combined with a history of operating or cash flow declines or a projection/forecast that demonstrates continuing declines in the cash flow or the inability to improve our operations to forecasted levels, (2) a significant adverse change in the business climate, whether structural or technological, (3) significant impairments and (4) a decline in our stock price and market capitalization. Management has applied what it believes to be the most appropriate valuation methodology for its impairment testing. Additionally, management believes that the likelihood of an impairment of goodwill is remote due to the excess market capitalization relative to its net book value. See Note 4.
Self-Insurance	Self-Insurance We self-insure for workers’ compensation costs, automobile and general liability claims, up to certain deductible limits, as well as for certain employee medical and disability benefits. The recorded liabilities for self-insured risks are primarily calculated using actuarial methods. The liabilities include amounts for actual claims, claim growth and claims incurred but not yet reported. The recorded liabilities for self-insured risks were approximately $38 million and $41 million as of December 25, 2016 and December 27, 2015, respectively.
Pension and Other Postretirement Benefits	Pension and Other Postretirement Benefits Our single-employer pension and other postretirement benefit costs are accounted for using actuarial valuations. We recognize the funded status of these plans – measured as the difference between plan assets, if funded, and the benefit obligation – on the balance sheet and recognize changes in the funded status that arise during the period but are not recognized as components of net periodic pension cost, within other comprehensive income/(loss), net of income taxes. The assets related to our funded pension plans are measured at fair value. We make significant subjective judgments about a number of actuarial assumptions, which include discount rates, health-care cost trend rates, long-term return on plan assets and mortality rates. Depending on the assumptions and estimates used, the impact from our pension and other postretirement benefits could vary within a range of outcomes and could have a material effect on our Consolidated Financial Statements. We also recognize the present value of pension liabilities associated with the withdrawal from multiemployer pension plans. We record liabilities for obligations related to complete, partial and estimated withdrawals from multiemployer pension plans. The actual liability is not known until each plan completes a final assessment of the withdrawal liability and issues a demand to us. Therefore, we adjust the estimate of our multiemployer pension plan liability as more information becomes available that allows us to refine our estimates. See Notes 9 and 10 for additional information regarding pension and other postretirement benefits.
Revenue Recognition	Revenue Recognition Circulation revenues include single-copy and subscription revenues. Circulation revenues are based on the number of copies of the printed newspaper (through home-delivery subscriptions and single-copy sales) and digital subscriptions sold and the rates charged to the respective customers. Single-copy revenue is recognized based on date of publication, net of provisions for related returns. Proceeds from subscription revenues are deferred at the time of sale and are recognized in earnings on a pro rata basis over the terms of the subscriptions. When our digital subscriptions are sold through third parties, we are a principal in the transaction and, therefore, revenues and related costs to third parties for these sales are reported on a gross basis. Several factors are considered to determine whether we are a principal, most notably whether we are the primary obligor to the customer and have determined the selling price and product specifications. Advertising revenues are recognized when advertisements are published in newspapers or placed on digital platforms or, with respect to certain digital advertising, each time a user clicks on certain advertisements, net of provisions for estimated rebates and rate adjustments. We recognize a rebate obligation as a reduction of revenues, based on the amount of estimated rebates that will be earned and claimed, related to the underlying revenue transactions during the period. Measurement of the rebate obligation is estimated based on the historical experience of the number of customers that ultimately earn and use the rebate. We recognize an obligation for rate adjustments as a reduction of revenues, based on the amount of estimated post-billing adjustments that will be claimed. Measurement of the rate adjustment obligation is estimated based on historical experience of credits actually issued. Other revenues are recognized when the related service or product has been delivered.
Income Taxes	Income Taxes Income taxes are recognized for the following: (1) amount of taxes payable for the current year and (2) deferred tax assets and liabilities for the future tax consequence of events that have been recognized differently in the financial statements than for tax purposes. Deferred tax assets and liabilities are established using statutory tax rates and are adjusted for tax rate changes in the period of enactment. We assess whether our deferred tax assets should be reduced by a valuation allowance if it is more likely than not that some portion or all of the deferred tax assets will not be realized. Our process includes collecting positive (i.e., sources of taxable income) and negative (i.e., recent historical losses) evidence and assessing, based on the evidence, whether it is more likely than not that the deferred tax assets will not be realized. We recognize in our financial statements the impact of a tax position if that tax position is more likely than not of being sustained on audit, based on the technical merits of the tax position. This involves the identification of potential uncertain tax positions, the evaluation of tax law and an assessment of whether a liability for uncertain tax positions is necessary. Different conclusions reached in this assessment can have a material impact on our Consolidated Financial Statements. We operate within multiple taxing jurisdictions and are subject to audit in these jurisdictions. These audits can involve complex issues, which could require an extended period of time to resolve. Until formal resolutions are reached between us and the tax authorities, the timing and amount of a possible audit settlement for uncertain tax benefits is difficult to predict.
Stock-Based Compensation	Stock-Based Compensation We establish fair value for our stock-based awards to determine our cost and recognize the related expense over the appropriate vesting period. We recognize stock-based compensation expense for outstanding stock-settled long-term performance awards, stock-settled and cash-settled restricted stock units, stock options and stock appreciation rights. See Note 15 for additional information related to stock-based compensation expense.
Earnings/(Loss) Per Share	Earnings/(Loss) Per Share Basic earnings/(loss) per share is calculated by dividing net earnings/(loss) available to common stockholders by the weighted-average common stock outstanding. Diluted earnings/(loss) per share is calculated similarly, except that it includes the dilutive effect of the assumed exercise of securities, including outstanding warrants and the effect of shares issuable under our Company’s stock-based incentive plans if such effect is dilutive. The two-class method is an earnings allocation method for computing earnings/(loss) per share when a company’s capital structure includes either two or more classes of common stock or common stock and participating securities. This method determines earnings/(loss) per share based on dividends declared on common stock and participating securities (i.e., distributed earnings), as well as participation rights of participating securities in any undistributed earnings.
Foreign Currency Translation	Foreign Currency Translation The assets and liabilities of foreign companies are translated at year-end exchange rates. Results of operations are translated at average rates of exchange in effect during the year. The resulting translation adjustment is included as a separate component in the Stockholders’ Equity section of our Consolidated Balance Sheets, in the caption “Accumulated other comprehensive loss, net of income taxes.”
Recent Accounting Pronouncements	Recent Accounting Pronouncements In November 2016, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) 2016-18, “Statement of Cash Flow: Restricted cash,” which amends the guidance in Accounting Standards Codification (“ASC”) 230 on the classification and presentation of restricted cash in the statement of cash flows. The key requirements of the ASU are: (1) all entities should include in its cash and cash-equivalent balances in the statement of cash flows those amounts that are deemed to be restricted cash and restricted cash equivalents, (2) a reconciliation between the statement of financial position and the statement of cash flows must be disclosed when the statement of financial position includes more than one line item for cash, cash equivalents, restricted cash, and restricted cash equivalents, (3) changes in restricted cash and restricted cash equivalents that result from transfers between cash, cash equivalents, and restricted cash and restricted cash equivalents should not be presented as cash flow activities in the statement of cash flows and (4) an entity with a material balance of amounts generally described as restricted cash and restricted cash equivalents must disclose information about the nature of the restrictions.This guidance becomes effective for Company for fiscal years beginning after December 15, 2017, and interim periods within those fiscal years. Early adoption is permitted. We are currently in the process of evaluating the impact of the new cash flow guidance. In August 2016, the FASB issued ASU 2016-15, “Statement of Cash Flows: Classification of Certain Cash Receipts and Cash Payments,” which amends the guidance in ASC 230 on the classification of certain cash receipts and cash payments in the statement of cash flows. The primary purpose of this ASU is to reduce the diversity in practice that has resulted from the lack of consistent principles on this topic. The ASU’s amendments add or clarify guidance on eight cash flows issues: debt prepayment or debt extinguishment costs, settlement of zero-coupon debt instruments or other debt instruments with coupon interest rates that are insignificant in relation to the effective interest rate of the borrowing, contingent consideration payments made after a business combination, proceeds from the settlement of insurance claims, proceeds from the settlement of corporate-owned life insurance policies, including bank-owned life insurance policies, distributions received from equity method investees, beneficial interests in securitization transactions, and separately identifiable cash flows and application of the predominance principle. This guidance becomes effective for the Company for fiscal years beginning after December 15, 2017, and interim periods within those fiscal years. Early adoption is permitted, including adoption in an interim period. All amendments must be adopted in the same period. We are currently in the process of evaluating the impact of the new cash flow guidance. In March 2016, the FASB issued ASU 2016-09, “Compensation — Stock Compensation,” which provides guidance on accounting for share-based payment transactions, including the income tax consequences, classification of awards as either equity or liabilities, and classification on the statement of cash flows. This guidance becomes effective for the Company for fiscal years beginning after December 25, 2016. Early application is permitted. Amendments related to the timing of when excess tax benefits are recognized and classified on the statement of cash flows, forfeitures, minimum statutory withholding requirements, and intrinsic value will be applied using a modified retrospective transition method by means of a cumulative-effect adjustment to equity as of the beginning of the period in which the guidance is adopted. Amendments related to the presentation of employee taxes paid on the statement of cash flows when the Company withholds shares to meet the minimum statutory withholding requirement will be applied retrospectively. Amendments requiring recognition of excess tax benefits and tax deficiencies in the income statement and the practical expedient for estimating expected term will be applied prospectively. The Company may elect to apply the amendments related to the presentation of excess tax benefits on the statement of cash flows using either a prospective transition method or a retrospective transition method. We are currently in the process of evaluating the impact of the new stock compensation guidance. Based upon our initial evaluation, we do not expect the adoption of the standard to have a material effect on our financial condition or results of operations. In February 2016, the FASB issued ASU 2016-02, “Leases,” which provides guidance on accounting for leases and disclosure of key information about leasing arrangements. The guidance requires lessees to recognize the following for all operating and finance leases at the commencement date: (1) a lease liability, which is the obligation to make lease payments arising from a lease, measured on a discounted basis and (2) a right-of-use asset representing the lessee’s right to use, or control the use of, the underlying asset for the lease term. A lessee is permitted to make an accounting policy election not to recognize lease assets and lease liabilities for short-term leases with a term of 12 months or less. The guidance does not fundamentally change lessor accounting; however, some changes have been made to align that guidance with the lessee guidance and other areas within GAAP. This guidance becomes effective for the Company for fiscal years beginning after December 30, 2018. Early application is permitted. This guidance will be applied on a modified retrospective basis for leases existing at, or entered into after, the earliest period presented in the financial statements. We are currently in the process of evaluating the impact of the new leasing guidance and expect that most of our operating lease commitments will be subject to the new standard. The adoption of the standard will require us to add right-of-use assets and lease liabilities onto our balance sheet. Based upon our initial evaluation, we do not expect the adoption of the standard to have a material effect on our results of operations and liquidity. In May 2015, the FASB issued ASU 2015-07, Fair Value Measurement (Topic 820): Disclosures for Investments in Certain Entities That Calculate Net Asset Value (NAV) per Share (or Its Equivalent). The guidance removes the requirement to include investments in the fair value hierarchy for which fair value is measured using the NAV per share practical expedient under Accounting Standard Codification (ASC) 820. The guidance is effective retrospectively for the year ending December 31, 2016 with early adoption permitted. In August 2014, the FASB issued ASU 2014-15, “Disclosure of Uncertainties About an Entity’s Ability to Continue as a Going Concern,” which provides guidance on determining when and how reporting entities must disclose going-concern uncertainties in their financial statements. The new standard requires management to perform interim and annual assessment of an entity’s ability to continue as a going concern within one year of the date of issuance of the entity’s financial statements. Further, an entity must provide certain disclosures if there is “substantial doubt about the entity’s ability to continue as a going concern. The new guidance becomes effective for the Company for fiscal years ending on or after December 15, 2016 and interim periods thereafter. We adopted this ASU prospectively beginning with our fiscal year ended December 25, 2016. In May 2014, the FASB issued ASU 2014-09, “Revenue from Contracts with Customers,” which prescribes a single comprehensive model for entities to use in the accounting of revenue arising from contracts with customers. The new guidance will supersede virtually all existing revenue guidance under GAAP and International Financial Reporting Standards and is effective for fiscal years beginning after December 31, 2017. There are two transition options available to entities: the full retrospective approach or the modified retrospective approach. Under the full retrospective approach, the Company would restate prior periods in compliance with Accounting Standards Codification 250, “Accounting Changes and Error Corrections.” Alternatively, the Company may elect the modified retrospective approach, which allows for the new revenue standard to be applied to existing contracts as of the effective date with a cumulative catch-up adjustment recorded to retained earnings. We currently anticipate adopting the new standard using the modified retrospective method beginning January 1, 2018. Subsequently, in March 2016, the FASB issued ASU 2016-08, “Revenue from Contracts with Customers (Topic 606): Principal versus Agent Considerations (Reporting Revenue Gross versus Net),” which clarifies the implementation guidance on principal versus agent considerations in ASU 2014-09. In April 2016, the FASB also issued ASU 2016-10, “Revenue from Contracts with Customers (Topic 606): Identifying Performance Obligations and Licensing,” to reduce the cost and complexity of applying the guidance on identifying promised goods or services when identifying a performance obligation and improve the operability and understandability of the licensing implementation guidance. In May 2016, the FASB issued ASU 2016-12, “Revenue from Contracts with Customers (Topic 606): Narrow Scope Improvements and Practical Expedients,” to reduce the cost and complexity of applying the guidance to address certain issues on assessing collectability, presentation of sales taxes, noncash consideration, and completed contracts and contract modifications at transition. The amendments in ASU 2014-09, 2016-10, and 2016-12 do not change the core principle of ASU 2014-09. Based upon our initial evaluation, we do not expect the adoption of the standard to have a material effect on our financial condition or results of operations. While we continue to evaluate the impact of the new revenue guidance, we currently believe that the most significant changes will be primarily related to how we account for certain licensing arrangements in the other revenue category. However, preliminary assessments may be subject to change. The Company considers the applicability and impact of all recently issued accounting pronouncements. Recent accounting pronouncements not specifically identified in our disclosures are either not applicable to the Company or are not expected to have a material effect on our financial condition or results of operations.