Debt - Components of Convertible Notes (Details) - USD ($)	Jun. 27, 2026	Sep. 08, 2025	Jun. 28, 2025	Jun. 16, 2023	Mar. 31, 2022	Dec. 31, 2019
Liability component:
Principal	$ 1,554,300,000		$ 2,514,700,000
Convertible notes
Liability component:
Principal	1,554,300,000		2,514,700,000
Unamortized debt discount and debt issuance costs	(9,700,000)		(8,500,000)
Net carrying amount of the liability component	1,544,600,000		2,506,200,000
Convertible notes \| 2026 Notes
Liability component:
Principal	54,800,000		1,050,000,000			$ 1,050,000,000
Unamortized debt discount and debt issuance costs	(100,000)		(1,700,000)			$ (315,200,000)
Net carrying amount of the liability component	54,700,000		1,048,300,000
Convertible notes \| 2028 Notes
Liability component:
Principal	179,600,000		861,000,000.0		$ 861,000,000.0
Unamortized debt discount and debt issuance costs	(500,000)		(3,300,000)		$ (231,200,000)
Net carrying amount of the liability component	179,100,000		857,700,000
Convertible notes \| 2029 Notes
Liability component:
Principal	54,900,000		603,700,000	$ 603,700,000
Unamortized debt discount and debt issuance costs	(200,000)		(3,500,000)
Net carrying amount of the liability component	54,700,000		600,200,000
Convertible notes \| 2032 Notes
Liability component:
Principal	1,265,000,000	$ 1,265,000,000	0
Unamortized debt discount and debt issuance costs	(8,900,000)		0
Net carrying amount of the liability component	$ 1,256,100,000		$ 0