OTHER COMPREHENSIVE INCOME - SUMMARY OF CHANGES IN ACCUMULATED OTHER COMPREHENSIVE (LOSS) INCOME (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2018	Jul. 01, 2017	Jul. 02, 2016
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance, shareholders' equity	$ 2,381,516	$ 3,479,608	$ 5,260,224
Ending balance, shareholders' equity	2,506,957	2,381,516	3,479,608
Total
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance, shareholders' equity	(1,262,737)	(1,358,118)	(923,197)
Other comprehensive income before reclassification adjustments	49,658	55,330	(462,376)
Amounts reclassified from accumulated other comprehensive loss	40,255	40,051	27,455
Amounts reclassified to retained earnings	(236,445)
Ending balance, shareholders' equity	(1,409,269)	(1,262,737)	(1,358,118)
Pension and Other Postretirement Benefit Plans, net of tax
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance, shareholders' equity	(974,232)	(1,104,484)	(705,311)
Other comprehensive income before reclassification adjustments	52,511	97,283	(419,517)
Amounts reclassified from accumulated other comprehensive loss	32,015	32,969	20,344
Amounts reclassified to retained earnings	(205,353)
Ending balance, shareholders' equity	(1,095,059)	(974,232)	(1,104,484)
Foreign Currency Translation
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance, shareholders' equity	(148,056)	(136,813)	(97,733)
Other comprehensive income before reclassification adjustments	(22,987)	(11,243)	(39,080)
Amounts reclassified from accumulated other comprehensive loss	0	0	0
Amounts reclassified to retained earnings	0
Ending balance, shareholders' equity	(171,043)	(148,056)	(136,813)
Hedging, net of tax
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance, shareholders' equity	(140,449)	(116,821)	(120,153)
Other comprehensive income before reclassification adjustments	20,134	(30,710)	(3,779)
Amounts reclassified from accumulated other comprehensive loss	8,240	7,082	7,111
Amounts reclassified to retained earnings	(31,092)
Ending balance, shareholders' equity	$ (143,167)	$ (140,449)	$ (116,821)