Summary of Significant Accounting Policies - Additional Information (Detail) (USD $)					12 Months Ended								0 Months Ended
	Dec. 29, 2013	Dec. 30, 2012	Dec. 29, 2013 Other Businesses	Dec. 30, 2012 Other Businesses	Dec. 29, 2013 Building and Building Improvements Minimum	Dec. 29, 2013 Building and Building Improvements Maximum	Dec. 29, 2013 Machinery and Equipment Minimum	Dec. 29, 2013 Machinery and Equipment Maximum	Dec. 29, 2013 Equity Option	Dec. 29, 2013 Restricted Stock	Dec. 29, 2013 Performance Shares	Dec. 29, 2013 Career Builder	Dec. 23, 2013 Belo	Aug. 31, 2012 Economic Modeling Specialists Intl Career Builder	Dec. 29, 2013 VIE Consolidated for Four Stations in Louisville, KY; Portland OR; and Tucson, AZ
Significant Accounting Policies [Line Items]
Number of Phoenix TV Stations Owned by VIE Non-Consolidated	2
Number of StLouis TV Stations Owned by VIE Non-Consolidated	1
Assets held for sale	$ 395,851,000	$ 17,508,000
Payments to Acquire Businesses, Gross													1,470,000,000
Percentage of ownership interests on subsidiary												52.90%
Business Acquisition, Percentage of Voting Interests Acquired														74.00%
Shareholder ownership														26.00%
Property, plant and equipment, useful life (in years)					10 years	40 years	3 years	30 years
Investments in non-public businesses, non-operating expense			2,700,000	1,900,000
Requisite service period									4 years	4 years	3 years
Debt Instrument, Face Amount													715,000,000
Number of TV Stations Owned by VIE, Total	7
Number of TV Stations Owned by VIE Consolidated	4
Total Number of TV Stations Owned by VIE Non-Consolidated	3
Total Current Assets	1,923,485,000	1,072,720,000													4,677,000
Property, Plant and Equipment, Net	1,669,632,000	1,518,678,000													8,061,000
Other Intangible Assets, Net	5,647,589,000	3,788,488,000													32,008,000
Total Assets	44,746,000														44,746,000
Total Current Liabilities	1,007,192,000	934,516,000													7,827,000
Total Noncurrent Liabilities	5,324,103,000	2,894,804,000													34,173,000
Total Liabilities															$ 42,000,000