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Financial Instruments and Fair Value Measurements (Schedule of Foreign Currency Contracts) (Details) - Prepaid expenses and other current assets - Designated as Hedging Instrument $ in Thousands | Oct. 01, 2021 USD ($) $ / $ $ / $ $ / € | Dec. 31, 2020 USD ($) $ / $ $ / $ $ / €
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Foreign Exchange Contract Maturing November 2021 |  |
Derivatives, Fair Value [Line Items] |  |
Notional Amount | $ 665 | $ 3,966
$/Foreign currency (in dollars per foreign currency) | $ / $ | 0.0222 | 0.0227
Fair Value | $ 34 | $ 166
Foreign Exchange Contract Maturing December 2021 |  |
Derivatives, Fair Value [Line Items] |  |
Notional Amount | $ 1,015 | $ 7,269
$/Foreign currency (in dollars per foreign currency) | 0.0226 | 0.0485
Fair Value | $ 32 | $ 77
Foreign Exchange Contract Maturing December 2021 |  |
Derivatives, Fair Value [Line Items] |  |
Notional Amount | $ 999 |
$/Foreign currency (in dollars per foreign currency) | $ / $ | 0.0222 |
Fair Value | $ 49 |
Foreign Exchange Contract Maturing December 2021 |  |
Derivatives, Fair Value [Line Items] |  |
Notional Amount | $ 2,155 |
$/Foreign currency (in dollars per foreign currency) | $ / $ | 0.0479 |
Fair Value | $ 31 |
Foreign Exchange Contract Maturing December 2021 |  |
Derivatives, Fair Value [Line Items] |  |
Notional Amount | $ 3,669 |
$/Foreign currency (in dollars per foreign currency) | $ / € | 1.2230 |
Fair Value | $ (185) |
Foreign Exchange Contract Maturing December 2021 |  |
Derivatives, Fair Value [Line Items] |  |
Notional Amount | $ 3,648 |
$/Foreign currency (in dollars per foreign currency) | $ / $ | 0.0486 |
Fair Value | $ (5) |
Foreign Exchange Contract Maturing December 2021 |  |
Derivatives, Fair Value [Line Items] |  |
Notional Amount | $ 3,674 |
$/Foreign currency (in dollars per foreign currency) | $ / € | 1.2245 |
Fair Value | $ (190) |
Foreign Exchange Contract Maturing December 2021 |  |
Derivatives, Fair Value [Line Items] |  |
Notional Amount | $ 4,444 |
$/Foreign currency (in dollars per foreign currency) | $ / $ | 0.0494 |
Fair Value | $ (71) |
Foreign Exchange Contract Maturing September 2021 |  |
Derivatives, Fair Value [Line Items] |  |
Notional Amount |  | $ 16,132
$/Foreign currency (in dollars per foreign currency) | $ / € |  | 1.1949
Fair Value |  | $ 399
Foreign Exchange Contract Maturing September 2021 |  |
Derivatives, Fair Value [Line Items] |  |
Notional Amount |  | $ 10,224
$/Foreign currency (in dollars per foreign currency) | $ / $ |  | 0.0454
Fair Value |  | $ 922
Foreign Exchange Contract Maturing March 2021 |  |
Derivatives, Fair Value [Line Items] |  |
Notional Amount |  | $ 2,656
$/Foreign currency (in dollars per foreign currency) | $ / $ |  | 0.0443
Fair Value |  | $ 341
Foreign Exchange Contract Maturing August 2021 |  |
Derivatives, Fair Value [Line Items] |  |
Notional Amount |  | $ 3,252
$/Foreign currency (in dollars per foreign currency) | $ / $ |  | 0.0232
Fair Value |  | $ 165

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