Debt - Narrative (Details)						3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 24, 2015 USD ($)	Aug. 04, 2014 USD ($)	Mar. 31, 2014	Jan. 27, 2014 USD ($)	Dec. 27, 2013 USD ($)	Jun. 30, 2015 USD ($)	Jun. 29, 2014 USD ($)	Jun. 30, 2015 USD ($)	Jun. 29, 2014 USD ($)	Dec. 29, 2013 USD ($)	Jun. 23, 2015 USD ($)	Dec. 28, 2014 USD ($)
Debt Instrument [Line Items]
Long-term Debt						$ 3,492,271,000		$ 3,492,271,000				$ 3,494,985,000
Cash dividends received		$ 275,000,000
Repayment of Indebtedness								1,100,342,000	$ 11,848,000
Discount issued						7,789,000		7,789,000
Payments of Debt Issuance Costs								20,207,000	2,584,000
Gains (Losses) on Extinguishment of Debt								(33,480,000)	0
Write off of Deferred Debt Issuance Cost						37,040,000	$ 0	37,040,000	0
Debt Instrument, Registration Rights Agreement, Exchange Offer Effective Date	270 days
Debt Instrument, Registration Rights Agreement, Exchange Offer Maximum Completion Date	360 days
Debt Instrument, Registration Rights Agreement, Shelf Registration Statement Effective Date	90 days
Debt Instrument, Registration Rights Agreement, Interest Accrual Rate, Percent	0.25%
Interest								81,981,000	$ 67,086,000
Minimum
Debt Instrument [Line Items]
Debt Instrument, Registration Rights Agreement, Additional Increase to Interest Accrual Rate, Percent	0.25%
Maximum
Debt Instrument [Line Items]
Debt Instrument, Registration Rights Agreement, Additional Increase to Interest Accrual Rate, Percent	0.50%
Secured Debt | Tribune Publishing Company
Debt Instrument [Line Items]
Borrowing capacity under senior secured credit facility		350,000,000
Senior Secured Credit Agreement
Debt Instrument [Line Items]
Debt instrument, face amount					$ 4,073,000,000
Potential incremental facility, borrowing capacity					$ 1,000,000,000
Debt covenant, leverage ratio, maximum					4.5000
Standby letters of credit outstanding						26,000,000		26,000,000				27,000,000
Senior Secured Credit Agreement | Term Loan Facility
Debt Instrument [Line Items]
Debt instrument, face amount					$ 3,773,000,000
Long-term Debt						2,371,386,000		2,371,386,000			$ 3,479,000,000	3,471,017,000
Quarterly installments, percent of principal due			0.25%
Repayment of Indebtedness		$ 275,000,000
Discount issued	$ 7,534,000				9,000,000	7,749,000		7,749,000				8,118,000
Payments of Debt Extinguishment Costs						3,600,000		3,600,000
Transaction costs incurred										$ 78,000,000
Unamortized transaction costs	64,000,000				$ 6,000,000	35,000,000		35,000,000				70,000,000
Gains (Losses) on Extinguishment of Debt						(37,000,000)		(37,000,000)
Write off of Deferred Debt Issuance Cost						30,000,000		30,000,000
Debt Instrument, Unamortized Discount Write-off on Extinguishment						3,500,000		3,500,000
Discount issued (as a percent)					0.25%
Senior Secured Credit Agreement | Term Loan Facility | Tribune Publishing Company
Debt Instrument [Line Items]
Transaction costs incurred							$ 3,000,000
Senior Secured Credit Agreement | Term Loan Facility | London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Base rate floor					1.00%
Basis spread on variable rate					3.00%
Senior Secured Credit Agreement | Term Loan Facility | Federal Funds Effective Swap Rate
Debt Instrument [Line Items]
Basis spread on variable rate					0.50%
Senior Secured Credit Agreement | Term Loan Facility | Adjusted LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate					1.00%
Senior Secured Credit Agreement | Term Loan Facility | Base Rate
Debt Instrument [Line Items]
Basis spread on variable rate					2.00%
Senior Secured Credit Agreement | Revolving Credit Facility
Debt Instrument [Line Items]
Borrowing capacity under senior secured credit facility					$ 300,000,000
Additional interest, percent					2.00%
Debt Instrument, Covenant, Maximum Leverage Ratio, ending December 29, 2014					5.75
Debt Instrument, Covenant, Maximum Leverage Ratio, starting March 29, 2015					5.25000
Debt Instrument, Covenant, Testing Percentage					25.00%
Revolving credit facility borrowings outstanding						0		0				0
Senior Secured Credit Agreement | Revolving Credit Facility | Debt Instument, Fee Percentage, Amount One
Debt Instrument [Line Items]
Commitment fee, percent					0.25%
Senior Secured Credit Agreement | Revolving Credit Facility | Debt Instument, Fee Percentage, Amount Two
Debt Instrument [Line Items]
Commitment fee, percent					0.375%
Senior Secured Credit Agreement | Revolving Credit Facility | Debt Instument, Fee Percentage, Amount Three
Debt Instrument [Line Items]
Commitment fee, percent					0.50%
Senior Secured Credit Agreement | Revolving Credit Facility | Adjusted LIBOR | Minimum
Debt Instrument [Line Items]
Basis spread on variable rate					2.75%
Senior Secured Credit Agreement | Revolving Credit Facility | Adjusted LIBOR | Maximum
Debt Instrument [Line Items]
Basis spread on variable rate					3.00%
Senior Secured Credit Agreement | Revolving Credit Facility | Alternative Base Rate | Minimum
Debt Instrument [Line Items]
Basis spread on variable rate					1.75%
Senior Secured Credit Agreement | Revolving Credit Facility | Alternative Base Rate | Maximum
Debt Instrument [Line Items]
Basis spread on variable rate					2.00%
Senior Secured Credit Agreement | Letter of Credit
Debt Instrument [Line Items]
Line Of Credit Facility, Fronting Fee Percentage					0.125%
Amended Secured Credit Facility
Debt Instrument [Line Items]
Discount issued	4,000,000
Payments of Debt Issuance Costs	6,000,000
Transaction costs incurred	2,000,000
Unamortized transaction costs	1,000,000
Amended Secured Credit Facility | Term B Loans
Debt Instrument [Line Items]
Long-term Debt	2,379,000,000
Proceeds from Issuance of Debt	$ 1,802,000,000
Additional interest, percent	2.00%
Quarterly installments, percent of principal due	0.25%
Debt Instrument, Premium Payable on Voluntary Prepayments, Percent	1.00%
Debt instrument payment terms, percent of excess cash flow, leverage ratio above threshold	50.00%
Debt instrument payment terms, percent of excess cash flow, leverage ratio threshold	4.000
Debt instrument payment terms, percent of excess cash flow, leverage ratio below threshold	0.00%
Debt Instrument, Prepayment Terms, Minimum Liquidity Threshold	$ 500,000,000
Early Repayment of Senior Debt	$ 1,100,000,000
Amended Secured Credit Facility | Term B Loans | London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Base rate floor	0.75%
Basis spread on variable rate	3.00%
Amended Secured Credit Facility | Term B Loans | Federal Funds Effective Swap Rate
Debt Instrument [Line Items]
Basis spread on variable rate	0.50%
Amended Secured Credit Facility | Term B Loans | Adjusted LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate	1.00%
Amended Secured Credit Facility | Term B Loans | Base Rate
Debt Instrument [Line Items]
Basis spread on variable rate	2.00%
5.875% Senior Notes due 2022 | Senior Notes
Debt Instrument [Line Items]
Debt instrument, face amount	$ 1,100,000,000
Long-term Debt						$ 1,100,000,000		$ 1,100,000,000				$ 0
Unamortized transaction costs	$ 19,000,000
Debt Instrument, Redemption Price Terms Prior to July 15, 2018, Percent of Principal Amount	100.00%
Debt Instrument, Redemption Price Terms July 15, 2018 to July 14, 2019, Percent of Principal Amount	102.938%
Debt Instrument, Redemption Price Terms, July 15, 2019 to July 14, 2020, Percent of Principal Amount	101.469%
Debt Instrument, Redemption Price Terms On or After July 15, 2020, Percent of Principal Amount	100.00%
Debt Instrument, Redemption Terms Prior to July 15, 2018, Percent of Principal Amount Redeemable	40.00%
Debt Instrument, Redemption Terms Prior to July 15, 2018, Price Percent	105.875%
Debt Instrument, Potential Repurchase Offer Price, Percent of Principal Amount	101.00%
Debt Instrument, Potential Purchase Offer Price, Percent of Principal Amount	100.00%
Debt Instrument, Interest Rate, Stated Percentage	5.875%					5.875%		5.875%				5.875%
Senior Toggle Notes | Senior Notes
Debt Instrument [Line Items]
Repayment of Indebtedness				$ 174,000,000
Redemption period					30 days
Interest				2,000,000
Repayments of Senior Toggle Notes, Intercompany Amounts				$ 28,000,000
Dreamcatcher Credit Facility Due 2018 | Secured Debt
Debt Instrument [Line Items]
Debt instrument, face amount					$ 27,000,000
Long-term Debt						$ 20,885,000		$ 20,885,000				$ 23,914,000
Discount issued						$ 40,000		$ 40,000				$ 49,000