INTANGIBLE ASSETS AND GOODWILL (Details) - USD ($)	3 Months Ended
	Mar. 26, 2017	Mar. 27, 2016
Intangible assets subject to amortization, gross
Balance at the beginning of the period	$ 839,273,000
Acquisition adjustments	11,000
Balance at the end of the period	839,284,000
Accumulated amortization
Balance at the beginning of the period	(711,723,000)
Amortization Expense	(12,083,000)	$ (11,998,000)
Balance at the end of the period	(723,806,000)
Intangible assets subject to amortization, net
Balance at the beginning of the period	127,550,000
Acquisition adjustments	11,000
Amortization Expense	(12,083,000)	(11,998,000)
Balance at the end of the period	115,478,000
Mastheads
Balance at the beginning of the period	171,436,000
Impairment Charges	0	0
Balance at the end of the period	171,436,000
Goodwill [Roll Forward]
Balance at the beginning of the period	705,174,000
Goodwill impairment charge	0	0
Balance at the end of the period	705,174,000
Total
Balance at the beginning of the period	1,004,160,000
Additions	11,000
Amortization Expense	(12,083,000)	$ (11,998,000)
Balance at the end of the period	$ 992,088,000