Cash, Cash Equivalents and Short-term Investments - Summary of Cash, Cash Equivalents and Short-term Investments (Details) - USD ($) $ in Millions	Dec. 31, 2022	Jul. 02, 2022
Cash and cash equivalents:
Cash	$ 383.3	$ 235.9
Cash and cash equivalents	592.1	1,290.2
Short-term investments:
Amortized Cost	1,097.6	1,271.9
Gross Unrealized Gains	0.1	0.3
Gross Unrealized Losses	(9.4)	(13.4)
Fair Value	1,088.3	1,258.8
Certificates of deposit
Short-term investments:
Amortized Cost	27.6	28.3
Gross Unrealized Gains	0.0	0.0
Gross Unrealized Losses	0.0	0.0
Fair Value	27.6	28.3
Commercial paper
Short-term investments:
Amortized Cost	88.0	107.4
Gross Unrealized Gains	0.0	0.0
Gross Unrealized Losses	(0.2)	(0.4)
Fair Value	87.8	107.0
Corporate debt securities
Short-term investments:
Amortized Cost	504.2	539.9
Gross Unrealized Gains	0.1
Gross Unrealized Losses	(4.8)	(7.4)
Fair Value	499.5	532.5
Municipal bonds
Short-term investments:
Amortized Cost	1.0	1.0
Gross Unrealized Gains	0.0	0.0
Gross Unrealized Losses	0.0	0.0
Fair Value	1.0	1.0
Foreign government bonds
Short-term investments:
Amortized Cost	1.4
Gross Unrealized Gains	0.0
Gross Unrealized Losses	0.0
Fair Value	1.4
U.S. Agency securities
Short-term investments:
Amortized Cost	130.5	67.1
Gross Unrealized Gains	0.0	0.0
Gross Unrealized Losses	(1.6)	(1.4)
Fair Value	128.9	65.7
U.S. Treasury securities
Short-term investments:
Amortized Cost	344.9	528.2
Gross Unrealized Gains	0.0	0.3
Gross Unrealized Losses	(2.8)	(4.2)
Fair Value	342.1	524.3
Commercial paper
Cash and cash equivalents:
Cash equivalents:	4.8	23.6
Money market funds
Cash and cash equivalents:
Cash equivalents:	180.1	1,000.2
U.S. Agency securities
Cash and cash equivalents:
Cash equivalents:		8.0
U.S. Treasury securities
Cash and cash equivalents:
Cash equivalents:	$ 23.9	$ 22.5

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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