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Financial Instruments and Fair Value Measurements (Narrative) (Details) - USD ($) $ in Millions | 3 Months Ended |  |
--- | --- | --- | ---
Apr. 02, 2021 | Dec. 31, 2020 | Jul. 03, 2020
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Derivative instruments net loss to be reclassified to net income during next twelve months | $ 3.2 |  |
Asset acquisition contingent consideration recognized |  |  | $ 1.0
Accrued expenses and other current liabilities |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Contingent consideration liability, current | 1.0 | $ 1.7 |
Other long-term liabilities |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Contingent consideration liability, noncurrent | $ 1.3 | $ 2.2 |
Chinese Venture Capital Fund |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Equity method investment ownership (percent) | 6.60% |  |

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