Note 9 - Commitments, Contingencies and Other (Detail) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 25, 2011	Dec. 26, 2010
Operating Leases, Rent Expense	$ 2,600,000	$ 2,600,000	$ 2,200,000
Operating Leases, Future Minimum Payments Due, Next Twelve Months	2,300,000
Operating Leases, Future Minimum Payments, Due in Two Years	1,700,000
Operating Leases, Future Minimum Payments, Due in Three Years	1,300,000
Operating Leases, Future Minimum Payments, Due in Four Years	1,300,000
Operating Leases, Future Minimum Payments, Due in Five Years	1,300,000
Operating Leases, Future Minimum Payments, Due Thereafter	6,800,000
Nonmonetary Transaction, Amount of Barter Transaction	10,100,000	9,800,000	9,500,000
Interest Paid, Net	69,300,000	61,500,000	53,600,000
Other Assets, Current	18,493,000	17,424,000
Other Assets Held-for-sale	3,700,000	4,300,000
Severance Costs	3,500,000	750,000	1,000,000
Restructuring and Related Cost, Number of Positions Eliminated	75
Supplemental Unemployment Benefits, Severance Benefits	500,000	200,000	250,000
Headquarter Building in Richmond, Virginia [Member]
Property, Plant, and Equipment, Fair Value Disclosure	2,900,000
Postemployment and Disability Benefits [Member]
Increase (Decrease) in Postretirement Obligations	(5,000,000)
Severance Payments [Member]
Payments for Postemployment Benefits	3,200,000	800,000
Minimum [Member]
Operating Leases, Term	1 year
Maximum [Member]
Operating Leases, Term	15 years
Variable Fees Paid to NBC for 2012 Amounts Owed [Member]
Accrued Fees	11,000,000
Related and Non-Related Parties [Member]
Interest Expense	78,000,000
Non-Related Party [Member]
Interest Expense	51,566,000	64,403,000	65,597,000
Interest Costs Capitalized		500,000
Headquarter Building in Richmond, Virginia [Member]
Impairment of Real Estate	2,000,000
Program Rights Not Currently Available For Broadcast [Member]
Long-Term Purchase Commitment, Term	6 years
Long-term Purchase Commitment, Amount	13,400,000
Program Rights [Member]
Other Assets, Current	$ 7,600,000	$ 7,400,000