Cash, Cash Equivalents and Short-term Investments - Summary of Cash, Cash Equivalents and Short-term Investments (Details) - USD ($) $ in Millions	Mar. 30, 2024	Jul. 01, 2023
Cash and cash equivalents:
Cash	$ 287.2	$ 254.3
Total cash and cash equivalents	425.0	859.0
Cash and cash equivalents	425.0	859.0
Short-term investments:
Amortized Cost	447.7	1,162.4
Gross Unrealized Gains	0.1	0.0
Gross Unrealized Losses	(1.9)	(7.8)
Fair Value	445.9	1,154.6
Certificates of deposit
Short-term investments:
Amortized Cost	1.8	16.5
Gross Unrealized Gains	0.0	0.0
Gross Unrealized Losses	0.0	0.0
Fair Value	1.8	16.5
Commercial paper
Short-term investments:
Amortized Cost	8.2	132.9
Gross Unrealized Gains	0.0	0.0
Gross Unrealized Losses	0.0	(0.2)
Fair Value	8.2	132.7
Corporate debt securities
Short-term investments:
Amortized Cost	222.4	472.7
Gross Unrealized Gains	0.1	0.0
Gross Unrealized Losses	(0.8)	(3.9)
Fair Value	221.7	468.8
U.S. Agency securities
Short-term investments:
Amortized Cost	95.0	207.9
Gross Unrealized Gains	0.0	0.0
Gross Unrealized Losses	(0.4)	(1.7)
Fair Value	94.6	206.2
U.S. Treasury securities
Short-term investments:
Amortized Cost	120.3	332.4
Gross Unrealized Gains	0.0	0.0
Gross Unrealized Losses	(0.7)	(2.0)
Fair Value	119.6	330.4
Commercial paper
Cash and cash equivalents:
Cash equivalents:	7.2
Cash and cash equivalents	7.2
Money market funds
Cash and cash equivalents:
Cash equivalents:	130.6	276.1
Cash and cash equivalents	$ 130.6	276.1
U.S. Agency securities
Cash and cash equivalents:
Cash equivalents:		4.0
Cash and cash equivalents		4.0
U.S. Treasury securities
Cash and cash equivalents:
Cash equivalents:		324.6
Cash and cash equivalents		$ 324.6