Cash, Cash Equivalents and Short-term Investments - Summary of Cash, Cash Equivalents and Short-term Investments (Details) - USD ($) $ in Millions	Sep. 28, 2024	Jun. 29, 2024
Cash and cash equivalents:
Cash	$ 284.9	$ 196.9
Total cash and cash equivalents	489.2	436.7
Short-term investments:
Amortized Cost	426.1	451.7
Gross Unrealized Gains	1.0	0.0
Gross Unrealized Losses	(0.2)	(1.4)
Fair Value	426.9	450.3
Certificates of deposit
Short-term investments:
Amortized Cost	0.8	0.8
Gross Unrealized Gains	0.0	0.0
Gross Unrealized Losses	0.0	0.0
Fair Value	0.8	0.8
Commercial paper
Short-term investments:
Amortized Cost	11.5	12.6
Gross Unrealized Gains	0.0	0.0
Gross Unrealized Losses	0.0	0.0
Fair Value	11.5	12.6
Corporate debt securities
Short-term investments:
Amortized Cost	234.1	244.5
Gross Unrealized Gains	0.9	0.0
Gross Unrealized Losses	(0.1)	(0.6)
Fair Value	234.9	243.9
U.S. Agency securities
Short-term investments:
Amortized Cost	66.4	81.2
Gross Unrealized Gains	0.1	0.0
Gross Unrealized Losses	0.0	(0.3)
Fair Value	66.5	80.9
U.S. Treasury securities
Short-term investments:
Amortized Cost	113.3	112.6
Gross Unrealized Gains	0.0	0.0
Gross Unrealized Losses	(0.1)	(0.5)
Fair Value	113.2	112.1
Commercial paper
Cash and cash equivalents:
Cash equivalents:	7.5	15.9
Money market funds
Cash and cash equivalents:
Cash equivalents:	184.8	$ 223.9
U.S. Treasury securities
Cash and cash equivalents:
Cash equivalents:	$ 12.0