STOCKHOLDERS' EQUITY (Schedule of Changes in Accumulated Other Comprehensive Loss) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 28, 2021	Mar. 29, 2020
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance, beginning of period	$ 2,575,347	$ 2,536,060
Other comprehensive income before reclassifications	57,651	(100,738)
Amounts reclassified from accumulated other comprehensive loss to net income	236	1,025
Currency translation	12	(75)
Total other comprehensive income (loss), net of tax	57,899	(99,788)
Balance, end of period	2,735,756	2,476,491
Accumulated Other Comprehensive Income
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance, beginning of period	(20,620)	(75,129)
Total other comprehensive income (loss), net of tax	57,899	(99,788)
Balance, end of period	37,279	(174,917)
Gains (Losses) Related to Foreign Currency Translation
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance, beginning of period	82,782	(1,108)
Other comprehensive income before reclassifications	33,291	(96,765)
Amounts reclassified from accumulated other comprehensive loss to net income	0	0
Currency translation	0	0
Total other comprehensive income (loss), net of tax	33,291	(96,765)
Balance, end of period	116,073	(97,873)
Gains on Derivative Financial Instruments Classified as Cash Flow Hedges
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance, beginning of period	(1,191)	(2,406)
Other comprehensive income before reclassifications	1,463	4,123
Amounts reclassified from accumulated other comprehensive loss to net income	(200)	742
Currency translation	12	(75)
Total other comprehensive income (loss), net of tax	1,275	4,790
Balance, end of period	84	2,384
Losses Related to Pension and Other Postretirement Benefits
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance, beginning of period	(102,211)	(71,615)
Other comprehensive income before reclassifications	22,897	(8,105)
Amounts reclassified from accumulated other comprehensive loss to net income	436	283
Currency translation	0	0
Total other comprehensive income (loss), net of tax	23,333	(7,822)
Balance, end of period	(78,878)	(79,437)
Gains on Available-for-Sale Securities
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance, beginning of period	0	0
Other comprehensive income before reclassifications	0	9
Amounts reclassified from accumulated other comprehensive loss to net income	0	0
Currency translation	0	0
Total other comprehensive income (loss), net of tax	0	9
Balance, end of period	$ 0	$ 9