Employee Pension and Other Benefit Plans - Net Periodic Benefit Cost (Details) - Pension Benefit Plans - USD ($) $ in Millions	12 Months Ended
	Jul. 02, 2022	Jul. 03, 2021	Jun. 27, 2020
Components of the net periodic cost for the pension and benefits plans
Service cost	$ 0.2	$ 0.2	$ 0.3
Interest cost	1.6	1.5	1.9
Expected return on plan assets	(1.7)	(1.7)	(1.5)
Recognized net actuarial losses	2.9	3.1	2.8
Net periodic cost	$ 3.0	$ 3.1	$ 3.5