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Debt - Carrying Amounts of the Liability and Equity Components (Details) - USD ($) $ in Millions	Oct. 03, 2026	Jun. 27, 2026	Aug. 20, 2025	Sep. 29, 2021
Carrying amounts of the liability and equity components:
Short-term debt	$ 245.1	$ 244.8
Unamortized notes debt issuance cost	(2.4)	(2.6)
Long-term debt	397.4	397.1
Convertible Notes \| 0.625% Senior Convertible Notes
Carrying amounts of the liability and equity components:
Principal amount of 0.625% Senior Convertible Notes	250.0	250.0
Unamortized debt discount	$ (4.9)	(5.2)
Stated interest rate	0.625%		0.625%
Convertible Notes \| 3.75% Senior Notes
Carrying amounts of the liability and equity components:
Stated interest rate	3.75%
Senior Notes \| 3.75% Senior Notes
Carrying amounts of the liability and equity components:
Stated interest rate	3.75%			3.75%
Principal amount of notes	$ 400.0	400.0
Unamortized notes debt issuance cost	$ (2.6)	$ (2.9)