Cash, Cash Equivalents and Short-term Investments - Cash, Cash Equivalents and Short-term Investments (Details) - USD ($) $ in Millions	Mar. 28, 2026	Jun. 28, 2025
Cash equivalents
Cash	$ 517.7	$ 349.5
Total cash and cash equivalents	2,617.8	520.7
Short-term investments:
Amortized Cost	555.8	356.0
Gross Unrealized Gains	0.2	0.5
Gross Unrealized Losses	(1.5)	(0.1)
Fair Value	554.5	356.4
Commercial paper
Short-term investments:
Amortized Cost	21.6	2.7
Gross Unrealized Gains	0.0	0.0
Gross Unrealized Losses	0.0	0.0
Fair Value	21.6	2.7
Corporate debt securities
Short-term investments:
Amortized Cost	304.2	210.9
Gross Unrealized Gains	0.1	0.3
Gross Unrealized Losses	(1.1)	(0.1)
Fair Value	303.2	211.1
U.S. Agency securities
Short-term investments:
Amortized Cost	127.1	67.6
Gross Unrealized Gains	0.0	0.1
Gross Unrealized Losses	(0.2)	0.0
Fair Value	126.9	67.7
U.S. Treasury securities
Short-term investments:
Amortized Cost	102.9	74.8
Gross Unrealized Gains	0.1	0.1
Gross Unrealized Losses	(0.2)	0.0
Fair Value	102.8	74.9
Certificates of deposit
Cash equivalents
Cash equivalents:	281.5
Money market funds
Cash equivalents
Cash equivalents:	$ 1,818.6	161.7
Commercial paper
Cash equivalents
Cash equivalents:		2.5
U.S. Agency securities
Cash equivalents
Cash equivalents:		$ 7.0

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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