Leases - Lease Costs, Term, and Discount Rate (Details) - USD ($) $ in Millions	12 Months Ended
	Jul. 01, 2023	Jul. 02, 2022	Jul. 03, 2021
Lease, Cost [Abstract]
Finance lease cost	$ 0.0	$ 0.0	$ 0.5
Operating lease cost	14.4	13.0	14.1
Short-term and variable lease cost	2.7	2.0	4.3
Sublease income	(2.6)	(3.0)	(2.8)
Total lease cost	$ 14.5	$ 12.0	$ 16.1
Weighted average remaining lease term (in years):
Operating leases	5 years 9 months 18 days	6 years 10 months 24 days	7 years 6 months
Finance leases			0 years
Weighted average discount rate (in percentages):
Operating leases	3.10%	3.00%	3.50%
Finance leases			0.00%