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Commitments and Contingencies (Foreign Currency Contracts) (Details) $ in Thousands | 12 Months Ended
--- | ---
Dec. 28, 2018 USD ($) | Dec. 29, 2017 USD ($) | Dec. 30, 2016 USD ($)
Foreign Currency Cash Flow Hedges [Abstract] |  |  |
Increase (decrease) in sales | $ (758) | $ 1,327 | $ 0
Increase (decrease) in cost of sales | (944) | 84 | 3,516
Ineffective portion of change in fair value | $ 0 | $ 0 | $ 0
Derivative [Line Items] |  |  |
Description of Types of Foreign Currency Cash Flow Hedging Instruments Used | The Company periodically enters into foreign currency forward contracts to hedge its exposure to foreign currency exchange rate fluctuations in its international operations |  |
Terminated FX Contract [Member] |  |  |
Derivative [Line Items] |  |  |
Loss on termination of foreign currency contract | $ (700) |  |
FX Contract 1 [Member] |  |  |
Derivative [Line Items] |  |  |
Notional Amount | $ 12,621 |  |
Start Date | Jan. 02, 2019 |  |
End Date | Jun. 28, 2019 |  |
$/Foreign Currency | 1.1686 |  |
FX Contract 2 [Member] |  |  |
Derivative [Line Items] |  |  |
Notional Amount | $ 10,991 |  |
Start Date | Jan. 02, 2019 |  |
End Date | Jun. 28, 2019 |  |
$/Foreign Currency | 0.0523 |  |
FX Contract 3 [Member] |  |  |
Derivative [Line Items] |  |  |
Notional Amount | $ 10,535 |  |
Start Date | Jan. 02, 2019 |  |
End Date | Jun. 28, 2019 |  |
$/Foreign Currency | 1.1705 |  |
FX Contract 4 [Member] |  |  |
Derivative [Line Items] |  |  |
Notional Amount | $ 11,019 |  |
Start Date | Jan. 02, 2019 |  |
End Date | Jun. 28, 2019 |  |
$/Foreign Currency | 0.0483 |  |
FX Contract 5 [Member] |  |  |
Derivative [Line Items] |  |  |
Notional Amount | $ 10,499 |  |
Start Date | Jul. 01, 2019 |  |
End Date | Dec. 31, 2019 |  |
$/Foreign Currency | 0.0500 |  |
Accrued Expenses [Member] | FX Contract 1 [Member] |  |  |
Derivative [Line Items] |  |  |
Fair Value | $ (149) |  |
Accrued Expenses [Member] | FX Contract 2 [Member] |  |  |
Derivative [Line Items] |  |  |
Fair Value | (494) |  |
Accrued Expenses [Member] | FX Contract 3 [Member] |  |  |
Derivative [Line Items] |  |  |
Fair Value | (141) |  |
Accrued Expenses [Member] | FX Contract 4 [Member] |  |  |
Derivative [Line Items] |  |  |
Fair Value | (316) |  |
Accrued Expenses [Member] | FX Contract 5 [Member] |  |  |
Derivative [Line Items] |  |  |
Fair Value | $ 368 |  |

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