Pensions and Other Post-retirement Benefit Plans - Weighted-Average Actuarial Assumptions used to Determine Benefit Costs (Details) - Foreign Plan	12 Months Ended
	Jul. 03, 2020	Jun. 28, 2019	Jun. 29, 2018
Defined Benefit Plan Disclosure [Line Items]
Discount rate	1.10%	1.30%	0.50%
Expected long-term rate of return on plan assets	2.50%	2.50%	2.50%
Rate of compensation increase	1.70%	1.20%	1.50%