INTANGIBLE ASSETS AND GOODWILL (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 30, 2012	Dec. 25, 2011	Dec. 26, 2010
Intangible assets subject to amortization, gross
Balance at the beginning of the period	$ 834,961	$ 834,911
Impairment Charges/Adjustments		50
Balance at the end of the period	834,961	834,961	834,911
Accumulated amortization
Balance at the beginning of the period	(452,388)	(394,073)
Amortization Expense	(58,158)	(58,315)	(58,700)
Balance at the end of the period	(510,546)	(452,388)	(394,073)
Intangible assets subject to amortization, net
Balance at the beginning of the period	382,573	440,838
Impairment Charges/Adjustments		50
Amortization Expense	(58,158)	(58,315)	(58,700)
Balance at the end of the period	324,415	382,573	440,838
Mastheads
Balance at the beginning of the period	203,587	206,387
Impairment Charges/Adjustments		(2,800)
Balance at the end of the period	203,587	203,587	206,387
Goodwill
Balance at the beginning of the period	1,012,011	1,014,257
Impairment Charges/Adjustments		(2,246)
Balance at the end of the period	1,012,011	1,012,011	1,014,257
Total
Balance at the beginning of the period	1,598,171	1,661,482
Impairment Charges/Adjustments		(4,996)
Amortization Expense	(58,158)	(58,315)	(58,700)
Balance at the end of the period	1,540,013	1,598,171	1,661,482
Error correction not material to the previously issued consolidated financial statements
Increase (decrease) in goodwill		(2,246)
Error in the timing of the release of certain unrecognized tax benefits
Goodwill
Impairment Charges/Adjustments		(2,500)
Error correction not material to the previously issued consolidated financial statements
Increase (decrease) in goodwill		$ (2,500)