Fair Value Measurements - Not Recorded at Fair Value on a Recurring Basis (Details) - Convertible Debt - USD ($) $ in Millions	Jun. 29, 2024	Jul. 01, 2023	Mar. 31, 2022	Dec. 31, 2019
2028 Notes
Fair Value
Convertible senior notes fair value			$ 629.8
2026 Notes
Fair Value
Convertible senior notes fair value				$ 734.8
Carrying Amount | Level 2
Fair Value
Convertible senior notes fair value	$ 2,503.2	$ 2,811.6
Carrying Amount | 2029 Notes | Level 2
Fair Value
Convertible senior notes fair value	599.4	598.6
Carrying Amount | 2028 Notes | Level 2
Fair Value
Convertible senior notes fair value	856.6	855.5
Carrying Amount | 2026 Notes | Level 2
Fair Value
Convertible senior notes fair value	1,047.2	1,045.9
Carrying Amount | 2024 Notes | Level 2
Fair Value
Convertible senior notes fair value	0.0	311.6
Estimated Fair Value | Level 2
Fair Value
Convertible senior notes fair value	2,217.3	2,581.4
Estimated Fair Value | 2029 Notes | Level 2
Fair Value
Convertible senior notes fair value	588.8	625.2
Estimated Fair Value | 2028 Notes | Level 2
Fair Value
Convertible senior notes fair value	680.2	677.8
Estimated Fair Value | 2026 Notes | Level 2
Fair Value
Convertible senior notes fair value	948.3	933.2
Estimated Fair Value | 2024 Notes | Level 2
Fair Value
Convertible senior notes fair value	$ 0.0	$ 345.2