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Derivatives (Details) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 29, 2018 USD ($) | Sep. 29, 2018 USD ($) | Jun. 30, 2018 USD ($) | Mar. 31, 2018 USD ($) | Dec. 31, 2016 USD ($) | Oct. 01, 2016 USD ($) | Jul. 02, 2016 USD ($) | Apr. 02, 2016 USD ($) | Dec. 29, 2018 USD ($) month | Dec. 30, 2017 USD ($) | Dec. 31, 2016 USD ($)
Derivatives, Fair Value [Line Items] |  |  |  |  |  |  |  |  |  |  |
Number of months cash flow hedge gain (loss) reclassified over | month |  |  |  |  |  |  |  |  | 12 |  |
Amount reclassified from accumulated other comprehensive loss into earnings over next 12 months |  |  |  |  |  |  |  |  | $ 2,200 |  |
Net income | $ 42,144 | $ (5,137) | $ (29,138) | $ 98,075 | $ 106,944 | $ 8,684 | $ 10,328 | $ 7,398 | 105,944 | $ 133,354 | $ 107,224
Foreign Exchange Contract [Member] | Designated as Hedging Instrument [Member] | Other Current Assets [Member] |  |  |  |  |  |  |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |  |  |  |  |  |  |
Asset Derivatives Fair Value | 1,600 |  |  |  |  |  |  |  | 1,600 | 0 |
Corn Option [Member] | Designated as Hedging Instrument [Member] | Other Current Assets [Member] |  |  |  |  |  |  |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |  |  |  |  |  |  |
Asset Derivatives Fair Value | 0 |  |  |  |  |  |  |  | 0 | $ 3,400 |
Commodity Contract [Member] |  |  |  |  |  |  |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |  |  |  |  |  |  |
Forward purchase amount | $ 25,200 |  |  |  |  |  |  |  | 25,200 |  |
Cash Flow Hedging [Member] |  |  |  |  |  |  |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net income |  |  |  |  |  |  |  |  | $ 0 |  |

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