CASH FLOW INFORMATION - Non-cash activities (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 29, 2020	Mar. 31, 2019
Cash paid for interest and income taxes
Interest paid (net of amount capitalized)	$ 2,826	$ 28,323
Income taxes paid (net of refunds)	(659)	(152)
Cash paid for reorganizational items, net	$ 1,135
6.875% senior secured junior lien notes due in 2031
Other non-cash investing and financing activities related to pension plan transactions:
Aggregate principal amount of notes issued		75,000
6.875% debentures due in 2029
Other non-cash investing and financing activities related to pension plan transactions:
Debt exchanged		$ 75,000