OTHER COMPREHENSIVE INCOME - SUMMARY OF CHANGES IN AOCI (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 27, 2020	Jun. 29, 2019	Jun. 30, 2018
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance, shareholders' equity	$ 2,502,603	$ 2,506,957	$ 2,381,516
Other comprehensive income before     reclassification adjustments	(168,686)	(234,423)	49,658
Amounts reclassified from accumulated     other comprehensive loss	53,266	41,136	40,255
Amounts reclassified to retained earnings		2,827	(236,445)
Change in marketable securities	4,268
Ending balance, shareholders' equity	1,158,613	2,502,603	2,506,957
Total
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance, shareholders' equity	(1,599,729)	(1,409,269)	(1,262,737)
Ending balance, shareholders' equity	(1,710,881)	(1,599,729)	(1,409,269)
Pension and Other Postretirement Benefit Plans, net of tax
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance, shareholders' equity	(1,217,617)	(1,095,059)	(974,232)
Other comprehensive income before     reclassification adjustments	(92,743)	(155,074)	52,511
Amounts reclassified from accumulated     other comprehensive loss	44,646	32,516	32,015
Amounts reclassified to retained earnings		0	(205,353)
Ending balance, shareholders' equity	(1,265,714)	(1,217,617)	(1,095,059)
Foreign Currency Translation
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance, shareholders' equity	(290,169)	(171,043)	(148,056)
Other comprehensive income before     reclassification adjustments	(112,215)	(119,126)	(22,987)
Ending balance, shareholders' equity	(402,384)	(290,169)	(171,043)
Hedging, net of tax
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance, shareholders' equity	(94,770)	(143,167)	(140,449)
Other comprehensive income before     reclassification adjustments	36,272	39,777	20,134
Amounts reclassified from accumulated     other comprehensive loss	8,620	8,620	8,240
Amounts reclassified to retained earnings		0	(31,092)
Ending balance, shareholders' equity	(49,878)	(94,770)	(143,167)
Marketable Securities
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance, shareholders' equity	2,827	0	0
Other comprehensive income before     reclassification adjustments	4,268	2,827
Amounts reclassified to retained earnings		2,827
Change in marketable securities	4,268
Ending balance, shareholders' equity	$ 7,095	$ 2,827	$ 0