Debt - Debt Instruments (Details) - USD ($) $ in Millions	Dec. 27, 2025	Jun. 28, 2025
Debt Instrument
Short-term	$ 3,240.2	$ 10.6
Long-term	47.1	2,562.6
Total	3,287.3	2,573.2
Convertible notes
Debt Instrument
Short-term	3,182.5	0.0
Long-term	0.0	2,506.2
Total	3,182.5	2,506.2
Term loans
Debt Instrument
Short-term	57.7	10.6
Long-term	47.1	56.4
Total	$ 104.8	$ 67.0