STOCKHOLDERS' EQUITY (Schedule of Reclassification from Accumulated Other Comprehensive Loss) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 29, 2019	Dec. 30, 2018	Dec. 31, 2017
Amortization of defined benefit pension and other postretirement plan actuarial losses:
Cost of sales	$ (10,338,825)	$ (10,094,308)	$ (9,296,249)
Interest income	14,277	13,811	7,730
Miscellaneous, net	(4,633)	2,702	6,538
Income before income taxes	617,545	332,227	982,066
Income tax expense	(161,009)	(85,423)	(263,899)
Net income	456,536	246,804	$ 718,167
Total | Amount Reclassified from Accumulated Other Comprehensive Loss
Amortization of defined benefit pension and other postretirement plan actuarial losses:
Income before income taxes	(1,077)	(433)
Income tax expense	169	21
Net income	(908)	(412)
Realized loss on settlement of derivative financial instruments classified as cash flow hedges | Amount Reclassified from Accumulated Other Comprehensive Loss
Amortization of defined benefit pension and other postretirement plan actuarial losses:
Cost of sales	(383)	(348)
Realized gain on sale of securities | Amount Reclassified from Accumulated Other Comprehensive Loss
Amortization of defined benefit pension and other postretirement plan actuarial losses:
Interest income	619	1,118
Amortization of pension and other postretirement plan actuarial losses | Amount Reclassified from Accumulated Other Comprehensive Loss | Union plan
Amortization of defined benefit pension and other postretirement plan actuarial losses:
Miscellaneous, net	(73)	(49)
Amortization of pension and other postretirement plan actuarial losses | Amount Reclassified from Accumulated Other Comprehensive Loss | Legacy Gold Kits Plans
Amortization of defined benefit pension and other postretirement plan actuarial losses:
Miscellaneous, net	$ (1,240)	$ (1,154)