INVESTMENTS IN UNCONSOLIDATED COMPANIES (Details) (USD $)	3 Months Ended	12 Months Ended			0 Months Ended	12 Months Ended						0 Months Ended								12 Months Ended
	Dec. 29, 2013	Dec. 29, 2013	Dec. 30, 2012	Dec. 25, 2011	Feb. 28, 2014 Classified Ventures LLC Apartments.com business Subsequent event Expected	Dec. 29, 2013 Career Builder LLC	Dec. 30, 2012 Career Builder LLC	Dec. 25, 2011 Career Builder LLC	Dec. 29, 2013 Classified Ventures LLC	Dec. 30, 2012 Classified Ventures LLC	Dec. 25, 2011 Classified Ventures LLC	Feb. 28, 2014 Classified Ventures LLC Apartments.com business Subsequent event Expected	Feb. 28, 2014 Classified Ventures LLC Apartments.com business Minimum Subsequent event Expected	Feb. 28, 2014 Classified Ventures LLC Apartments.com business Maximum Subsequent event Expected	Dec. 29, 2013 Home Finder LLC	Dec. 30, 2012 Home Finder LLC	Dec. 29, 2013 Wanderful Media	Dec. 30, 2012 Wanderful Media	Dec. 29, 2013 Seattle Times Company (C-Corporation)	Dec. 29, 2013 Ponderay (general partnership)	Dec. 30, 2012 Ponderay (general partnership)	Dec. 25, 2011 Ponderay (general partnership)	Dec. 29, 2013 Other	Dec. 30, 2012 Other
Investments in unconsolidated companies and joint ventures
Ownership Interest (as a percent)						15.00%			25.60%						33.30%		12.20%		49.50%	27.00%
Investments in unconsolidated companies	$ 300,569,000	$ 300,569,000	$ 299,603,000			$ 214,579,000	$ 210,365,000		$ 73,692,000	$ 69,907,000					$ 1,064,000	$ 2,573,000	$ 1,384,000	$ 2,551,000		$ 8,443,000	$ 11,375,000		$ 1,407,000	$ 2,832,000
Sale value of business					585,000,000
Share of the gain on sale													140,000,000	145,000,000
Distribution to be received from equity investee		42,651,000	31,935,000	27,762,000								147,000,000
Write down of certain unconsolidated investments	3,000,000	3,000,000
Dividends paid by the equity investees to the entity		39,504,000	19,550,000	17,375,000		13,500,000	15,000,000		22,996,000	18,908,000													5,940,000	4,692,000
Dividends paid by the equity investees to the entity		42,436,000	38,600,000
Return of investment treated as investing activity		2,932,000	19,050,000	14,250,000
Expenses incurred for products provided by the entity's less-than 50% owned companies						1,166,000	1,197,000	1,230,000	16,915,000	14,390,000	12,552,000									17,575,000	23,813,000	20,414,000
Amount payable to the entity's less-than 50% owned companies						$ 1,500,000	$ 1,500,000													$ 1,500,000	$ 1,500,000