Debt - Aggregate Principal Amount (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 27, 2026	Jun. 28, 2025
Debt Securities, Available-for-Sale, Allowance for Credit Loss [Roll Forward]
Principal	$ 1,554.3	$ 2,514.7
Debt Issuance	1,265.0
Debt Conversions	(519.4)
Debt Equitizations	(1,124.9)
Debt Inducement	(581.1)
2026 Notes
Debt Securities, Available-for-Sale, Allowance for Credit Loss [Roll Forward]
Principal	54.8	1,050.0
Debt Issuance	0.0
Debt Conversions	(149.3)
Debt Equitizations	(264.8)
Debt Inducement	(581.1)
2028 Notes
Debt Securities, Available-for-Sale, Allowance for Credit Loss [Roll Forward]
Principal	179.6	861.0
Debt Issuance	0.0
Debt Conversions	(31.0)
Debt Equitizations	(650.4)
Debt Inducement	0.0
2029 Notes
Debt Securities, Available-for-Sale, Allowance for Credit Loss [Roll Forward]
Principal	54.9	603.7
Debt Issuance	0.0
Debt Conversions	(339.1)
Debt Equitizations	(209.7)
Debt Inducement	0.0
2032 Notes
Debt Securities, Available-for-Sale, Allowance for Credit Loss [Roll Forward]
Principal	1,265.0	$ 0.0
Debt Issuance	1,265.0
Debt Conversions	0.0
Debt Equitizations	0.0
Debt Inducement	$ 0.0