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Investments - Narrative (Details) | Mar. 26, 2023 USD ($) security | Jun. 26, 2022 USD ($) security
--- | --- | ---
Net Investment Income [Line Items] |  |
Number of instruments in loss position | security | 67 | 346
Fair value of instruments in loss position | $ 279,700,000 | $ 650,800,000
Unrealized loss | 600,000 | 22,600,000
Accrued interest receivable | 12,000,000.0 | 5,900,000
Credit Loss Allowance | $ 0 | $ 0
Cash and Cash Equivalents |  |
Net Investment Income [Line Items] |  |
Number of instruments in loss position | security | 1 | 6
Fair value of instruments in loss position | $ 14,800,000 | $ 69,000,000
Unrealized loss | $ 100,000 | $ 100,000

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