INVESTMENTS IN UNCONSOLIDATED COMPANIES (Details) (USD $)	12 Months Ended
	Dec. 30, 2012	Dec. 25, 2011	Dec. 26, 2010
Investments in unconsolidated companies and joint ventures
Investments in unconsolidated companies	$ 299,603,000	$ 304,893,000
Dividends paid by the equity investees to the entity	19,550,000	17,375,000
Dividends paid by the equity investees to the entity	38,600,000	31,625,000
Career Builder LLC
Investments in unconsolidated companies and joint ventures
Ownership Interest (as a percent)	15.00%
Investments in unconsolidated companies	210,365,000	218,805,000
Dividends paid by the equity investees to the entity	15,000,000	7,500,000
Expenses incurred for products provided by the entity's less-than 50% owned companies	1,197,000	1,230,000	1,272,000
Amount payable to the entity's less-than 50% owned companies	1,500,000	3,600,000
Classified Ventures LLC
Investments in unconsolidated companies and joint ventures
Ownership Interest (as a percent)	25.60%
Investments in unconsolidated companies	69,907,000	66,886,000
Dividends paid by the equity investees to the entity	18,908,000	17,375,000
Expenses incurred for products provided by the entity's less-than 50% owned companies	14,390,000	12,552,000	11,073,000
Home Finder LLC
Investments in unconsolidated companies and joint ventures
Ownership Interest (as a percent)	33.30%
Investments in unconsolidated companies	2,573,000	1,628,000
Seattle Times Company (C-Corporation)
Investments in unconsolidated companies and joint ventures
Ownership Interest (as a percent)	49.50%
Ponderay (general partnership)
Investments in unconsolidated companies and joint ventures
Ownership Interest (as a percent)	27.00%
Investments in unconsolidated companies	11,375,000	11,800,000
Expenses incurred for products provided by the entity's less-than 50% owned companies	23,813,000	20,414,000	23,048,000
Amount payable to the entity's less-than 50% owned companies	1,500,000	3,600,000
Other
Investments in unconsolidated companies and joint ventures
Investments in unconsolidated companies	5,383,000	5,774,000
Dividends paid by the equity investees to the entity	$ 4,692,000	$ 6,750,000