PLANT AND EQUIPMENT (Details) - USD ($) $ in Thousands	12 Months Ended
	Jul. 03, 2021	Jun. 27, 2020	Jun. 29, 2019
Property, Plant and Equipment [Line Items]
Total plant and equipment at cost	$ 10,673,471	$ 10,168,481
Accumulated depreciation	(6,347,408)	(5,709,914)
Plant and equipment at cost, less accumulated depreciation	4,326,063	4,458,567
Depreciation expense	635,000	705,200	$ 656,600
Land
Property, Plant and Equipment [Line Items]
Total plant and equipment at cost	492,504	493,694
Buildings and improvements
Property, Plant and Equipment [Line Items]
Total plant and equipment at cost	$ 4,984,355	4,854,307
Buildings and improvements | Minimum
Property, Plant and Equipment [Line Items]
Remaining life (in years)	10 years
Buildings and improvements | Maximum
Property, Plant and Equipment [Line Items]
Remaining life (in years)	30 years
Fleet and equipment
Property, Plant and Equipment [Line Items]
Total plant and equipment at cost	$ 3,777,115	3,561,500
Fleet and equipment | Minimum
Property, Plant and Equipment [Line Items]
Remaining life (in years)	3 years
Fleet and equipment | Maximum
Property, Plant and Equipment [Line Items]
Remaining life (in years)	10 years
Computer hardware and software
Property, Plant and Equipment [Line Items]
Total plant and equipment at cost	$ 1,419,497	$ 1,258,980
Computer hardware and software | Minimum
Property, Plant and Equipment [Line Items]
Remaining life (in years)	3 years
Computer hardware and software | Maximum
Property, Plant and Equipment [Line Items]
Remaining life (in years)	5 years