BUSINESS SEGMENT INFORMATION - GEOGRAPHIC AREA (Details) - USD ($) $ in Thousands	3 Months Ended				12 Months Ended
	Jul. 03, 2021	Mar. 27, 2021	Dec. 26, 2020	Sep. 26, 2020	Jul. 03, 2021	Jun. 27, 2020	Jun. 29, 2019
Revenues from External Customers and Long-Lived Assets [Line Items]
Sales	$ 16,136,893	$ 11,824,589	$ 11,558,982	$ 11,777,379	$ 51,297,843	$ 52,893,310	$ 60,113,922
Long-lived assets	4,326,063				4,326,063	4,458,567	4,501,705
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Sales					42,610,406	42,803,700	48,257,385
Long-lived assets	3,148,279				3,148,279	3,340,920	3,361,629
Canada
Revenues from External Customers and Long-Lived Assets [Line Items]
Sales					3,906,722	4,105,236	4,660,030
Long-lived assets	355,864				355,864	331,196	334,177
United Kingdom
Revenues from External Customers and Long-Lived Assets [Line Items]
Sales					1,706,851	2,481,712	3,133,793
Long-lived assets	275,385				275,385	255,153	270,613
France
Revenues from External Customers and Long-Lived Assets [Line Items]
Sales					1,097,868	1,222,742	1,581,663
Long-lived assets	323,461				323,461	308,983	329,923
Other
Revenues from External Customers and Long-Lived Assets [Line Items]
Sales					1,975,996	2,279,920	2,481,051
Long-lived assets	$ 223,074				$ 223,074	$ 222,315	$ 205,363