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Investment in Unconsolidated Subsidiary (Details) barrel in Thousands, $ in Thousands | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | ---
Jul. 02, 2016 USD ($) | Jul. 04, 2015 USD ($) | Jul. 02, 2016 USD ($) barrel | Jul. 04, 2015 USD ($) | Jan. 02, 2016 USD ($) | Jan. 21, 2011
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Investment in the joint venture | $ 243,801 |  | $ 243,801 |  | $ 247,238 |
Income (loss) from equity method investments | 13,852 | $ 4,172 | 19,495 | $ 2,364 |  |
Proceeds from Equity Method Investment, Dividends or Distributions |  |  | $ 25,994 | 26,155 |  |
Diamond Green Diesel Holdings LLC Joint Venture [Member] |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Equity Method Investment, Ownership Percentage |  |  |  |  |  | 50.00%
Processing cabaility | barrel |  |  | 12 |  |  |
Line of credit term |  |  | 14 years |  |  |
Term loan facility | 221,300 |  | $ 221,300 |  |  |
Investment in the joint venture | 219,900 |  | 219,900 |  |  |
Income (loss) from equity method investments |  |  | $ 19,200 | $ 1,500 |  |
Income Tax Credits and Adjustments | 156,400 |  |  |  |  |
Debt Instrument, Periodic Payment, Principal | 54,700 |  |  |  |  |
Proceeds from Equity Method Investment, Dividends or Distributions | $ 25,000 |  |  |  |  |
Diamond Green Diesel Holdings LLC Joint Venture [Member] | Valero Energy Corporation [Member] |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Equity Method Investment, Ownership Percentage |  |  |  |  |  | 50.00%

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