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Significant Accounting Policies - Investments (Details) - USD ($) $ in Millions | Jan. 02, 2021 | Dec. 28, 2019
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Organization, Consolidation and Presentation of Financial Statements [Abstract] |  |
Cost method investments | $ 0.3 | $ 0.5

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- Definition Cost of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). Excludes equity method investment and investment in equity security without readily determinable fair value. + References No definition available. + Details
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