Discontinued Operations Publishing Spin-off Adjustment Footnote (Details) - USD ($) $ in Thousands		12 Months Ended
	Aug. 04, 2014	Dec. 31, 2016	Dec. 31, 2015	Dec. 28, 2014
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Cash Dividends Paid to Parent Company by Consolidated Subsidiaries	$ 275,000
Repayments of long-term debt		$ 27,842	$ 1,114,262	$ 299,285
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent		35.00%	35.00%	35.00%
tronc
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Including Discontinued Operations, Allocated Interest Expense, Excluding Capital Leases				$ 7,000
Effective Income Tax Rate Reconciliation, Discontinued Operations, Percent				58.60%
tronc | Secured Debt
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Maximum borrowing capacity under credit facility	350,000
Senior Secured Credit Agreement | Term Loan Facility
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Repayments of long-term debt	$ 275,000