Employee Pension and Other Benefit Plans - Changes in the Benefit Obligations and Plan Assets (Details) - Pension Benefit Plans - USD ($) $ in Millions	12 Months Ended
	Jul. 01, 2023	Jul. 02, 2022	Jul. 03, 2021
Change in benefit obligation
Benefit obligation at beginning of year	$ 95.5	$ 140.5
Service cost	0.0	0.2	$ 0.2
Interest cost	2.7	1.6	1.5
Actuarial gains	(4.2)	(25.7)
Benefits paid	(5.6)	(6.3)
Foreign exchange impact	(2.3)	(14.8)
Benefit obligation at end of year	86.1	95.5	140.5
Change in plan assets
Fair value of plan assets at beginning of year	29.3	36.2
Actual return on plan assets	0.2	(3.0)
Employer contributions	5.6	6.7
Benefits paid	(5.6)	(6.3)
Foreign exchange impact	1.6	(4.3)
Fair value of plan assets at end of year	31.1	29.3	$ 36.2
Funded status	(55.0)	(66.2)
Accumulated benefit obligation	$ 86.1	$ 95.5