Recently Issued Accounting Pronouncements (Details) - USD ($) $ in Millions	Sep. 30, 2023	Jul. 01, 2023	Jul. 03, 2022	Jul. 02, 2022
New Accounting Pronouncements or Change in Accounting Principle
Convertible notes, non-current	$ 2,500.9	$ 2,500.0
Additional paid-in capital	(1,714.0)	(1,692.2)	$ (1,577.1)	$ (2,003.6)
Deferred tax asset	128.0	116.3
Accumulated deficit	$ (408.5)	$ (340.6)	(43.5)	$ (129.1)
Cumulative Effect, Period of Adoption, Adjustment
New Accounting Pronouncements or Change in Accounting Principle
Convertible notes, non-current			433.0
Additional paid-in capital			426.5
Deferred tax asset			92.1
Accumulated deficit			$ (85.6)