COMPANY-SPONSORED EMPLOYEE BENEFIT PLANS - ASSUMPTIONS (Details)	12 Months Ended
	Jul. 01, 2017	Jul. 02, 2016	Jun. 27, 2015
Pension Benefits | United States
Weighted-average assumptions used to determine benefit obligations
Discount rate (as a percent)	4.19%	4.07%
Rate of compensation increase (as a percent)	2.62%	2.62%
Weighted-average assumptions used in calculating net periodic benefit cost
Discount rate (as a percent)	4.07%	4.84%	4.74%
Expected rate of return (as a percent)	7.25%	7.25%	7.75%
Rate of compensation increase (as a percent)	2.62%	3.89%	3.89%
Discount rate used to calculate next year benefit costs (as a percent)	4.19%
Expected rate of return on plan assets used in calculating net periodic benefit cost for next fiscal year (as a percent)	7.00%
Pension Benefits | United Kingdom
Weighted-average assumptions used to determine benefit obligations
Discount rate (as a percent)	2.60%
Weighted-average assumptions used in calculating net periodic benefit cost
Discount rate (as a percent)	2.80%
Expected rate of return (as a percent)	4.15%
Discount rate used to calculate next year benefit costs (as a percent)	2.60%
Expected rate of return on plan assets used in calculating net periodic benefit cost for next fiscal year (as a percent)	4.55%
Supplemental executive retirement plan
Weighted-average assumptions used to determine benefit obligations
Discount rate (as a percent)	4.08%	3.91%
Weighted-average assumptions used in calculating net periodic benefit cost
Discount rate (as a percent)	3.91%	4.63%	4.59%
Discount rate used to calculate next year benefit costs (as a percent)	4.08%