INVESTMENTS IN UNCONSOLIDATED COMPANIES (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 30, 2012
Investments in unconsolidated companies and joint ventures
Investments in unconsolidated companies	$ 318,984	$ 299,603
Career Builder LLC
Investments in unconsolidated companies and joint ventures
Ownership Interest (as a percent)	15.00%
Investments in unconsolidated companies	217,895	210,365
Classified Ventures LLC
Investments in unconsolidated companies and joint ventures
Ownership Interest (as a percent)	25.60%
Investments in unconsolidated companies	82,888	69,907
Home Finder LLC
Investments in unconsolidated companies and joint ventures
Ownership Interest (as a percent)	33.30%
Investments in unconsolidated companies	1,847	2,573
Wanderful Media
Investments in unconsolidated companies and joint ventures
Ownership Interest (as a percent)	12.20%
Investments in unconsolidated companies	3,332	2,551
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	10,111	11,375
Other
Investments in unconsolidated companies and joint ventures
Investments in unconsolidated companies	$ 2,911	$ 2,832