Income Taxes - Income Before Income Taxes (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 29, 2024	Jul. 01, 2023	Jul. 02, 2022
Income Tax Contingency
Income before income taxes	$ (405.7)	$ (102.4)	$ 235.1
Federal:
Current	(10.6)	12.9	13.7
Deferred	124.0	(22.5)	1.0
Total federal income tax provision	113.4	(9.6)	14.7
State:
Current	1.3	0.9	(0.1)
Deferred	(8.0)	(0.5)	0.3
Total state and local income tax provision	(6.7)	0.4	0.2
Foreign:
Current	52.1	55.3	46.8
Deferred	(18.0)	(16.9)	(25.5)
Total foreign income tax provision	34.1	38.4	21.3
Total income tax provision	140.8	29.2	36.2
Domestic
Income Tax Contingency
Income before income taxes	(219.6)	(44.3)	77.5
Foreign
Income Tax Contingency
Income before income taxes	$ (186.1)	$ (58.1)	$ 157.6