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Summary of Significant Accounting Policies - Schedule of Cash, Cash Equivalents and Investments (Details) - USD ($) $ in Millions | Dec. 28, 2024 | Dec. 30, 2023
--- | --- | ---
Schedule of Investments [Line Items] |  |
Cash and cash equivalents | $ 22.5 | $ 28.9
Short-term investments | 6.4 | 5.6
Other Assets | 19.1 | 19.3
Amortized cost basis of debt securities | 14.1 | 13.8
Debt securities |  |
Schedule of Investments [Line Items] |  |
Cash and cash equivalents | 0.0 | 0.0
Short-term investments | 2.0 | 1.2
Other Assets | 11.9 | 12.3
Equity investments |  |
Schedule of Investments [Line Items] |  |
Cash and cash equivalents | 0.0 | 0.0
Short-term investments | 4.4 | 4.3
Other Assets | 7.2 | 7.0
Cash and money market accounts |  |
Schedule of Investments [Line Items] |  |
Cash and cash equivalents | 22.5 | 28.9
Short-term investments | 0.0 | 0.0
Other Assets | $ 0.0 | $ 0.0

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