Financial Instruments and Fair Value Measurements (Schedule of Foreign Currency Contracts) (Details) - Designated as Hedging Instrument $ in Thousands	Oct. 02, 2020 USD ($) $ / $ $ / $ $ / €	Dec. 31, 2019 USD ($) $ / $
Foreign Exchange Contract Maturing December 2020, Contract One \| Accrued expenses and other current liabilities
Derivatives, Fair Value [Line Items]
Notional Amount	$ 7,666
$/Foreign currency (in dollars per foreign currency) \| $ / $	0.0491
Fair Value	$ (519)
Foreign Exchange Contract Maturing December 2020, Contract Two \| Accrued expenses and other current liabilities
Derivatives, Fair Value [Line Items]
Notional Amount	$ 2,290
$/Foreign currency (in dollars per foreign currency) \| $ / $	0.0241
Fair Value	$ (52)
Foreign Exchange Contract Maturing September 2021, Contract One \| Accrued expenses and other current liabilities
Derivatives, Fair Value [Line Items]
Notional Amount	$ 18,514
$/Foreign currency (in dollars per foreign currency) \| $ / €	1.1944
Fair Value	$ (274)
Foreign Exchange Contract Maturing September 2021, Contract Two \| Accrued expenses and other current liabilities
Derivatives, Fair Value [Line Items]
Notional Amount	$ 10,224
$/Foreign currency (in dollars per foreign currency) \| $ / $	0.0454
Fair Value	$ (109)
Foreign Exchange Contract Maturing November 2020 \| Accrued expenses and other current liabilities
Derivatives, Fair Value [Line Items]
Notional Amount	$ 2,343
$/Foreign currency (in dollars per foreign currency) \| $ / €	1.1717
Fair Value	$ 2
Foreign Exchange Contract Maturing March 2021 \| Accrued expenses and other current liabilities
Derivatives, Fair Value [Line Items]
Notional Amount	$ 2,656
$/Foreign currency (in dollars per foreign currency) \| $ / $	0.0443
Fair Value	$ 64
Foreign Exchange Contract Maturing August 2021 \| Prepaid expenses and other current assets
Derivatives, Fair Value [Line Items]
Notional Amount	$ 3,252
$/Foreign currency (in dollars per foreign currency) \| $ / $	0.0232
Fair Value	$ 150
Foreign Exchange Contract Maturing June 2020 \| Prepaid expenses and other current assets
Derivatives, Fair Value [Line Items]
Notional Amount		$ 11,166
$/Foreign currency (in dollars per foreign currency) \| $ / $		0.0490
Fair Value		$ 710

Nominal or face amount used to calculate payments on the derivative asset.

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