Income Taxes - Effective Tax Rate Reconciliation (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 29, 2024	Jul. 01, 2023	Jul. 02, 2022
Reconciliation of the Company's income tax expense (benefit) at the federal statutory rate to the income tax expense (benefit) at the effective tax rate
Income tax provision computed at federal statutory rate	$ (85.2)	$ (21.5)	$ 49.4
Foreign rate differential	58.9	33.6	(50.4)
Change in valuation allowance	150.1	(4.8)	10.5
Tax credits	(1.8)	(46.5)	(23.1)
Stock-based compensation	17.8	19.1	9.6
Permanent items	(3.2)	2.9	0.6
Transaction costs	1.3	2.4	0.0
Subpart F and GILTI	0.2	44.2	28.2
Unrecognized tax benefits	11.7	8.6	4.1
Change in Tax Rates	(9.9)	0.0	(1.2)
BEAT		(8.0)
BEAT	0.0		8.0
Other	0.9	(0.8)	0.5
Total income tax provision	$ 140.8	$ 29.2	$ 36.2
Effective tax rate	(34.71%)	(28.52%)	15.40%