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Debt - Carrying Amounts of the Liability and Equity Components (Details) - USD ($) $ in Millions	Sep. 28, 2024	Jun. 29, 2024	Mar. 06, 2023	Sep. 29, 2021
Carrying amounts of the liability and equity components:
Unamortized notes debt issuance cost	$ (1.8)	$ (1.9)
Long-term debt	$ 637.6	636.0
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	$ (4.4)	(4.6)
Convertible Notes \| 3.75% Senior Notes
Carrying amounts of the liability and equity components:
Stated interest rate	3.75%
Convertible Notes \| 1.625% Senior Convertible Notes
Carrying amounts of the liability and equity components:
Stated interest rate	1.625%		1.625%
Principal amount of notes	$ 250.0	250.0
Unamortized notes debt issuance cost	(1.1)	(1.3)
Unamortized debt discount	$ (6.9)	$ (8.1)