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The number of daily newspapers published by the reporting entity.

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

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The aggregate carrying amounts, as of the balance sheet date, of assets not separately disclosed in the balance sheet.

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Amount of each individual error being corrected in the correcting adjustment.

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SIGNIFICANT ACCOUNTING POLICIES (Details) (USD $)	15 Months Ended	3 Months Ended
SIGNIFICANT ACCOUNTING POLICIES (Details) (USD $)	Mar. 29, 2015 item	Mar. 30, 2014	Dec. 28, 2014
Investments in Unconsolidated Companies Activity
Number of markets	28mni_NumberOfNewspapersPublished
Number of states	14mni_NumberOfStates
Length of fiscal quarter	91 days
Reclassifications
Long-term Debt.	$ 995,890,000us-gaap_LongTermDebt		$ 994,812,000us-gaap_LongTermDebt
Long-term debt fair value disclosure
Estimated fair value of long-term debt	899,200,000us-gaap_LongTermDebtFairValue
Long-term debt	995,890,000us-gaap_LongTermDebt		994,812,000us-gaap_LongTermDebt
Early Retrospective Adoption of ASU No 2015-03
Reclassifications
Other Assets	(11,700,000)		(12,100,000)
Long-term Debt.	(11,700,000)		(12,100,000)
Long-term debt fair value disclosure
Long-term debt	(11,700,000)		(12,100,000)
Expense Misclassification [Member] \| Net Revenues
Reclassifications
Reduction in net revenue and in expenses due to reclassification of wholesale fees to net revenue		4,500,000
Expense Misclassification [Member] \| Other Operating Income (Expense) [Member]
Reclassifications
Reduction in net revenue and in expenses due to reclassification of wholesale fees to net revenue		$ 4,500,000
Career Builder LLC
Investments in Unconsolidated Companies Activity
Ownership Interest (as a percent)	15.00%
Home Finder LLC
Investments in Unconsolidated Companies Activity
Ownership Interest (as a percent)	33.30%