INTANGIBLE ASSETS AND GOODWILL (Details) - USD ($)	3 Months Ended
	Mar. 29, 2020	Mar. 31, 2019
Intangible assets subject to amortization, gross
Balance at the beginning of the period	$ 838,336,000
Balance at the end of the period	838,336,000
Accumulated amortization
Balance at the beginning of the period	(831,878,000)
Amortization Expense	(224,000)	$ (11,801,000)
Balance at the end of the period	(832,102,000)
Intangible assets subject to amortization, net
Balance at the beginning of the period	6,458,000
Amortization Expense	(224,000)	(11,801,000)
Balance at the end of the period	6,234,000
Mastheads
Balance at the beginning of the period	62,795,000
Impairment Charges	(4,769,000)	0
Balance at the end of the period	58,026,000
Goodwill
Balance at the beginning of the period	420,178,000
Impairment charges	(58,993,000)
Balance at the end of the period	361,185,000
Total
Balance at the beginning of the period	489,431,000
Impairment Charges	(63,762,000)
Amortization Expense	(224,000)	$ (11,801,000)
Balance at the end of the period	425,445,000
Western
Goodwill
Impairment charges	(19,900,000)
Eastern
Goodwill
Impairment charges	$ (39,100,000)