DERIVATIVE FINANCIAL INSTRUMENTS - CASH FLOW HEDGES (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 28, 2020	Jun. 27, 2020	Jun. 29, 2019
Derivative [Line Items]
Amount of Gain or (Loss) Recognized in Other Comprehensive Income on Derivatives	$ 56,700
Current maturities of long-term debt
Derivative [Line Items]
Carrying Amount of Hedged Assets (Liabilities)		$ (749,924)
Cumulative Amount of Fair Value Hedging Adjustments Included in the Carrying Amount of Hedged Assets (Liabilities)		(1,388)
Long-term debt
Derivative [Line Items]
Carrying Amount of Hedged Assets (Liabilities)		(1,563,636)	$ (2,311,636)
Cumulative Amount of Fair Value Hedging Adjustments Included in the Carrying Amount of Hedged Assets (Liabilities)		(70,239)	(28,616)
Hedging Instrument | Cash flow hedging
Derivative [Line Items]
Amount of Gain or (Loss) Recognized in Other Comprehensive Income on Derivatives		(9,831)	(5,394)
Amount of Gain or (Loss) Reclassified from Accumulated Other Comprehensive Income into Income		(18,432)	8,689
Hedging Instrument | Cash flow hedging | Hedging of fuel risk
Derivative [Line Items]
Amount of Gain or (Loss) Recognized in Other Comprehensive Income on Derivatives		(16,586)	(22,100)
Hedging Instrument | Cash flow hedging | Hedging of fuel risk | Operating expense
Derivative [Line Items]
Amount of Gain or (Loss) Reclassified from Accumulated Other Comprehensive Income into Income		(22,058)	8,180
Hedging Instrument | Cash flow hedging | Foreign currency swaps
Derivative [Line Items]
Amount of Gain or (Loss) Recognized in Other Comprehensive Income on Derivatives		6,755	16,706
Hedging Instrument | Cash flow hedging | Foreign currency swaps | Cost of sales / Other income
Derivative [Line Items]
Amount of Gain or (Loss) Reclassified from Accumulated Other Comprehensive Income into Income		3,626	509
Hedging Instrument | Net investment hedging
Derivative [Line Items]
Amount of Gain or (Loss) Recognized in Other Comprehensive Income on Derivatives		58,756	58,138
Amount of Gain or (Loss) Reclassified from Accumulated Other Comprehensive Income into Income		0	0
Hedging Instrument | Net investment hedging | Foreign currency swaps
Derivative [Line Items]
Amount of Gain or (Loss) Recognized in Other Comprehensive Income on Derivatives		51,354	42,488
Amount of Gain or (Loss) Reclassified from Accumulated Other Comprehensive Income into Income		0	0
Hedging Instrument | Net investment hedging | Foreign denominated debt
Derivative [Line Items]
Amount of Gain or (Loss) Recognized in Other Comprehensive Income on Derivatives		7,402	15,650
Amount of Gain or (Loss) Reclassified from Accumulated Other Comprehensive Income into Income		$ 0	$ 0