BUSINESS SEGMENT INFORMATION - GEOGRAPHIC AREA (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Jun. 30, 2018	Mar. 31, 2018	Dec. 30, 2017	Sep. 30, 2017	Jul. 01, 2017	Apr. 01, 2017	Dec. 31, 2016	Oct. 01, 2016	Jun. 30, 2018	Jul. 01, 2017	Jul. 02, 2016
Revenues from External Customers and Long-Lived Assets [Line Items]
Sales	$ 15,315,906	$ 14,349,504	$ 14,411,490	$ 14,650,424	$ 14,421,045	$ 13,524,172	$ 13,457,268	$ 13,968,654	$ 58,727,324	$ 55,371,139	$ 50,366,919
Long-lived assets	4,521,660				4,377,302				4,521,660	4,377,302	3,880,442
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Sales									46,812,297	44,395,765	44,922,937
Long-lived assets	3,448,164				3,252,980				3,448,164	3,252,980	3,461,505
Canada
Revenues from External Customers and Long-Lived Assets [Line Items]
Sales									4,661,615	4,346,894	4,486,282
Long-lived assets	318,410				329,090				318,410	329,090	309,027
United Kingdom
Revenues from External Customers and Long-Lived Assets [Line Items]
Sales									3,176,069	2,974,133	0
Long-lived assets	319,664				303,178				319,664	303,178	0
France
Revenues from External Customers and Long-Lived Assets [Line Items]
Sales									1,625,407	1,426,973	0
Long-lived assets	240,507				284,611				240,507	284,611	0
Other
Revenues from External Customers and Long-Lived Assets [Line Items]
Sales									2,451,936	2,227,374	957,700
Long-lived assets	$ 194,915				$ 207,443				$ 194,915	$ 207,443	$ 109,910