PROPERTY, PLANT AND EQUIPMENT (Schedule of Property, Plant and Equipment) (Details) - USD ($) $ in Thousands	Mar. 29, 2020	Dec. 29, 2019
Property, Plant and Equipment [Line Items]
Finance leases	$ 2,182	$ 2,182
PP&E, gross	5,428,786	5,411,362
Accumulated depreciation	(2,865,992)	(2,819,301)
PP&E, net	2,562,794	2,592,061
Land
Property, Plant and Equipment [Line Items]
PP&E	240,336	222,076
Buildings
Property, Plant and Equipment [Line Items]
PP&E	1,887,082	1,754,219
Machinery and equipment
Property, Plant and Equipment [Line Items]
PP&E	3,030,430	3,139,748
Autos and trucks
Property, Plant and Equipment [Line Items]
PP&E	69,607	64,122
Construction-in-progress
Property, Plant and Equipment [Line Items]
PP&E	$ 199,149	$ 229,015