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Cash, Cash Equivalents and Short-Term Investments - Schedule of cash, cash equivalents and short-term investments (Details) $ in Millions | 12 Months Ended
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Jun. 25, 2022 USD ($)
Cash and Cash Equivalents [Line Items] |
Amortized Cost | $ 52.0
Cash [Member] |
Cash and Cash Equivalents [Line Items] |
Amortized Cost | 811.9
Gross unrealized gain (loss) | 0.0
Fair Value | 811.9
Certificates of Deposit [Member] |
Cash and Cash Equivalents [Line Items] |
Amortized Cost | 2.4
Gross unrealized gain (loss) | 0.0
Fair Value | 2.4
Money Market Funds [Member] |
Cash and Cash Equivalents [Line Items] |
Amortized Cost | 12.1
Gross unrealized gain (loss) | 0.0
Fair Value | 12.1
Short-term Investments [Member] |
Cash and Cash Equivalents [Line Items] |
Amortized Cost | 54.0
Gross unrealized gain (loss) | (2.0)
Fair Value | 52.0
Cash and Cash Equivalents [Member] |
Cash and Cash Equivalents [Line Items] |
Amortized Cost | 824.0
Gross unrealized gain (loss) | 0.0
Fair Value | 824.0
Municipal Bonds [Member] |
Cash and Cash Equivalents [Line Items] |
Amortized Cost | 7.9
Gross unrealized gain (loss) | (0.1)
Fair Value | 7.8
Corporate Debt Securities [Member] |
Cash and Cash Equivalents [Line Items] |
Amortized Cost | 43.7
Gross unrealized gain (loss) | (1.9)
Fair Value | $ 41.8

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