COMPANY-SPONSORED EMPLOYEE BENEFIT PLANS - FUNDED STATUS (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2018	Jun. 29, 2019	Jun. 30, 2018	Jul. 01, 2017
Change in plan assets:
Employer contribution	$ 380,000
Cash surrender value of corporate-owned life insurance		$ 168,400	$ 167,900
Accumulated other comprehensive loss (income)
Prior service cost		10,202	21,849
Actuarial losses (gains)		1,566,531	1,408,054
Total		1,576,733	1,429,903
Accumulated benefit obligation for all pension benefit plans		4,900,000	4,400,000
Other Postretirement Plans
Change in benefit obligation:
Benefit obligation at beginning of year		14,300
Benefit obligation at end of year		10,800	14,300
Change in plan assets:
Cash surrender value of corporate-owned life insurance		97,700	96,500
Pension Benefits and SERP | United States
Change in benefit obligation:
Benefit obligation at beginning of year		4,043,011	4,224,231
Service cost		13,977	14,514
Interest cost		172,213	173,827
Amendments		0	0
Plan Combinations		0	0
Actuarial (gain) loss, net		439,082	(89,253)
Total disbursements		(130,635)	(280,308)
Exchange rate changes		0	0
Benefit obligation at end of year		4,537,648	4,043,011	$ 4,224,231
Change in plan assets:
Fair value of plan assets at beginning of year		3,666,408	3,341,662
Actual return on plan assets		418,789	196,051
Employer contribution		29,592	409,003
Total disbursements		(130,635)	(280,308)
Exchange rate changes		0	0
Fair value of plan assets at end of year		3,984,154	3,666,408	3,341,662
Funded status at end of year		(553,494)	(376,603)
Accumulated benefit obligations/aggregate benefit obligation in excess of fair value of plan assets
Pension Benefits, Accumulated benefit obligation/aggregate benefit obligation		4,524,513	4,034,383
Pension Benefits, Fair value of plan assets at end of year		3,984,154	3,666,408
Pension Benefits
Change in plan assets:
Employer contribution		37,200	415,000
Pension Benefits | United States
Change in benefit obligation:
Service cost		13,977	14,514	14,287
Interest cost		172,213	173,827	171,282
Change in plan assets:
Fair value of plan assets at beginning of year		3,666,408
Fair value of plan assets at end of year		3,984,154	3,666,408
Amounts recognized in the balance sheets
Noncurrent assets (Other assets)		0	63,945
Current accrued benefit liability (Accrued expenses)		(31,652)	(31,313)
Noncurrent accrued benefit liability (Other long-term liabilities)		(521,842)	(409,235)
Net amount recognized		(553,494)	(376,603)
Accumulated other comprehensive loss (income)
Prior service cost		10,790	19,170
Actuarial losses (gains)		1,599,539	1,434,160
Total		1,610,329	1,453,330
Pension Benefits | International Plan
Change in benefit obligation:
Benefit obligation at beginning of year		399,000	420,735
Service cost		2,790	3,219	2,880
Interest cost		10,637	10,667	9,951
Amendments		3,050	(4,624)
Plan Combinations		173	0
Actuarial (gain) loss, net		20,783	(21,162)
Total disbursements		(14,398)	(13,817)
Exchange rate changes		(15,338)	3,982
Benefit obligation at end of year		406,697	399,000	420,735
Change in plan assets:
Fair value of plan assets at beginning of year		258,028	259,372
Actual return on plan assets		23,765	897
Employer contribution		7,612	7,960
Total disbursements		(14,398)	(13,817)
Exchange rate changes		(10,261)	3,616
Fair value of plan assets at end of year		264,746	258,028	$ 259,372
Funded status at end of year		(141,951)	(140,972)
Amounts recognized in the balance sheets
Noncurrent assets (Other assets)		0	0
Current accrued benefit liability (Accrued expenses)		(1,285)	(1,280)
Noncurrent accrued benefit liability (Other long-term liabilities)		(140,666)	(139,692)
Net amount recognized		(141,951)	(140,972)
Accumulated other comprehensive loss (income)
Prior service cost		(588)	2,679
Actuarial losses (gains)		(33,008)	(26,106)
Total		(33,596)	(23,427)
Accumulated benefit obligations/aggregate benefit obligation in excess of fair value of plan assets
Pension Benefits, Accumulated benefit obligation/aggregate benefit obligation		399,966	392,457
Pension Benefits, Fair value of plan assets at end of year		264,746	258,028
Supplemental executive retirement plan
Change in plan assets:
Long-term defined benefit pension liabilities		$ 468,000	$ 440,500