STOCKHOLDERS' EQUITY (Schedule of Changes in Accumulated Other Comprehensive Loss) (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 01, 2018	Mar. 26, 2017
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance, beginning of period	$ 1,855,661	$ 2,086,132
Amounts reclassified from accumulated other comprehensive income (loss) to net income	348	194
Total other comprehensive income, net of tax	57,609	15,276
Balance, end of period	2,033,767	2,188,965
Accumulated Other Comprehensive Loss
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance, beginning of period	(31,140)	(329,858)
Other comprehensive income before reclassifications	57,277	15,080
Amounts reclassified from accumulated other comprehensive income (loss) to net income	348	194
Currency translation	(16)	2
Total other comprehensive income, net of tax	57,609	15,276
Balance, end of period	26,469	(314,582)
Gains (Losses) Related to Foreign Currency Translation
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance, beginning of period	42,081	(265,714)
Other comprehensive income before reclassifications	52,528	13,827
Amounts reclassified from accumulated other comprehensive income (loss) to net income	0	0
Currency translation	0	0
Total other comprehensive income, net of tax	52,528	13,827
Balance, end of period	94,609	(251,887)
Unrealized Gains (Losses) on Derivative Financial Instruments Classified as Cash Flow Hedges
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance, beginning of period	(1,848)	99
Other comprehensive income before reclassifications	1	76
Amounts reclassified from accumulated other comprehensive income (loss) to net income	250	49
Currency translation	(16)	2
Total other comprehensive income, net of tax	235	127
Balance, end of period	(1,613)	226
Losses Related to Pension and Other Postretirement Benefits
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance, beginning of period	(71,434)	(64,243)
Other comprehensive income before reclassifications	4,465	1,177
Amounts reclassified from accumulated other comprehensive income (loss) to net income	228	145
Currency translation	0	0
Total other comprehensive income, net of tax	4,693	1,322
Balance, end of period	(66,741)	(62,921)
Unrealized Holding Gains on Available-for-Sale Securities
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance, beginning of period	61	0
Other comprehensive income before reclassifications	283	0
Amounts reclassified from accumulated other comprehensive income (loss) to net income	(130)	0
Currency translation	0	0
Total other comprehensive income, net of tax	153	0
Balance, end of period	$ 214	$ 0