v3.26.1
Cash, Cash Equivalents and Short-term Investments - Unrealized Losses (Details) - USD ($)
$ in Millions
Mar. 28, 2026
Jun. 28, 2025
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss    
Fair value, more than 12 months $ 0.0 $ 0.0
Unrealized losses, more than 12 months 0.0 0.0
Fair value, less than 12 months 433.3 138.8
Unrealized losses, less than 12 months (1.5) (0.1)
Gross Unrealized Losses (1.5) (0.1)
U.S. Agency securities    
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss    
Fair value, more than 12 months 0.0 0.0
Unrealized losses, more than 12 months 0.0 0.0
Fair value, less than 12 months 99.7 24.5
Unrealized losses, less than 12 months (0.2) 0.0
Gross Unrealized Losses (0.2) 0.0
Commercial paper    
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss    
Fair value, more than 12 months 0.0 0.0
Unrealized losses, more than 12 months 0.0 0.0
Fair value, less than 12 months 21.6 5.2
Unrealized losses, less than 12 months 0.0 0.0
Gross Unrealized Losses 0.0 0.0
Corporate debt securities    
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss    
Fair value, more than 12 months 0.0 0.0
Unrealized losses, more than 12 months 0.0 0.0
Fair value, less than 12 months 244.9 73.8
Unrealized losses, less than 12 months (1.1) (0.1)
Gross Unrealized Losses (1.1) (0.1)
U.S. government bonds    
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss    
Fair value, more than 12 months 0.0 0.0
Unrealized losses, more than 12 months 0.0 0.0
Fair value, less than 12 months 67.1 35.3
Unrealized losses, less than 12 months (0.2) 0.0
Gross Unrealized Losses $ (0.2) $ 0.0