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Acquisitions (Details) $ in Thousands, CAD in Millions, € in Billions |  |  |  |  | 3 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | --- | --- | ---
Oct. 01, 2014 USD ($) | Jan. 07, 2014 USD ($) brand continent | Jan. 07, 2014 EUR (€) | Oct. 28, 2013 USD ($) facilities | Oct. 28, 2013 CAD | Aug. 26, 2013 USD ($) | Jan. 02, 2016 USD ($) | Oct. 03, 2015 USD ($) | Jul. 04, 2015 USD ($) | Apr. 04, 2015 USD ($) | Jan. 03, 2015 USD ($) | Sep. 27, 2014 USD ($) | Jun. 28, 2014 USD ($) | Mar. 29, 2014 USD ($) | Jan. 02, 2016 USD ($) | Jan. 03, 2015 USD ($) | Dec. 28, 2013 USD ($) | Jan. 02, 2014 USD ($)
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Issuance of common stock |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 3,670 | $ 8,612 | $ 843,154 |
Net income |  |  |  |  |  |  | $ 84,429 | $ (9,087) | $ 3,080 | $ 109 | $ 69,943 | $ 14,318 | $ 32,757 | $ (52,803) | 78,531 | 64,215 | 108,967 |
Goodwill |  |  |  |  |  |  | 1,233,102 |  |  |  | 1,320,419 |  |  |  | 1,233,102 | 1,320,419 | 701,637 |
Payments to Acquire Businesses, Net of Cash Acquired |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 377 | 2,094,400 | 734,075 |
Feed Ingredients [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill |  |  |  |  |  |  | 796,883 |  |  |  | 847,594 |  |  |  | 796,883 | 847,594 | 663,897 |
Food Ingredients [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill |  |  |  |  |  |  | 323,385 |  |  |  | 346,153 |  |  |  | 323,385 | 346,153 | 0 |
Fuel Ingredients [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill |  |  |  |  |  |  | 112,834 |  |  |  | 126,672 |  |  |  | 112,834 | 126,672 | 37,740 |
Vion Ingredients [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Consideration Transferred |  | $ 2,200,000 | € 1.6 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign Currency Exchange Rate, Translation |  | 1.3605 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill |  | $ 702,672 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory |  | $ 375,306 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Goodwill Deductible for Tax Purposes, Percent |  | 33.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property plant and equipment |  | $ 981,009 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred tax liability |  | $ 350,003 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Continents in which Entity Operates | continent |  | 5 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Brands Entity Operates | brand |  | 6 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents |  | $ 91,166 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vion Ingredients [Member] | Routes [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Acquired finite-lived Intangible assets, weighted-average useful life |  | 10 years | 10 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Identifiable intangibles |  | $ 190,200 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vion Ingredients [Member] | Permits [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Acquired finite-lived Intangible assets, weighted-average useful life |  | 15 years | 15 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Identifiable intangibles |  | $ 225,600 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vion Ingredients [Member] | Patents and Other Intangibles [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Acquired finite-lived Intangible assets, weighted-average useful life |  | 25 years | 25 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Identifiable intangibles |  | $ 16,500 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vion Ingredients [Member] | Feed Ingredients [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill |  | 223,200 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vion Ingredients [Member] | Food Ingredients [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill |  | 375,600 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vion Ingredients [Member] | Fuel Ingredients [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill |  | 103,800 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Rothsay and VION Acquisitions [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition, Transaction Costs |  |  |  |  |  |  | $ 8,300 |  |  |  | $ 24,400 |  |  |  | $ 8,300 | $ 24,400 | 22,200 |
Rothsay [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Consideration Transferred |  |  |  | $ 612,600 | CAD 640.2 |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign Currency Exchange Rate, Translation |  |  |  | 0.9569 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash consideration paid | CAD |  |  |  |  | 644.5 |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Contingent Receivable | CAD |  |  |  |  | CAD 4.3 |  |  |  |  |  |  |  |  |  |  |  |  |
Number Of Plants | facilities |  |  |  | 5 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill |  |  |  | $ 262,797 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory |  |  |  | $ 5,479 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Goodwill Deductible for Tax Purposes, Percent |  |  |  | 75.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property plant and equipment |  |  |  | $ 138,175 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Identifiable intangibles |  |  |  | 240,386 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred tax liability |  |  |  | $ 15,031 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Rothsay [Member] | Routes [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Acquired finite-lived Intangible assets, weighted-average useful life |  |  |  | 21 years | 21 years |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Identifiable intangibles |  |  |  | $ 172,600 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Rothsay [Member] | Permits [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Acquired finite-lived Intangible assets, weighted-average useful life |  |  |  | 13 years | 13 years |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Identifiable intangibles |  |  |  | $ 55,600 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Rothsay [Member] | Trade Names [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Acquired finite-lived Intangible assets, weighted-average useful life |  |  |  | 4 years | 4 years |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Identifiable intangibles |  |  |  | $ 9,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Rothsay [Member] | Non-compete agreements [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Acquired finite-lived Intangible assets, weighted-average useful life |  |  |  | 7 years | 7 years |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Identifiable intangibles |  |  |  | $ 3,200 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Rothsay [Member] | Feed Ingredients [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill |  |  |  | $ 224,600 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Rothsay [Member] | Biodiesel [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number Of Plants | facilities |  |  |  | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Rothsay [Member] | Fuel Ingredients [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill |  |  |  | $ 38,200 |  |  |  |  |  |  |  |  |  |  |  |  |  |
CustomBlendersCompany [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill | $ 5,200 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory | $ 1,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Acquired finite-lived Intangible assets, weighted-average useful life | 14 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments to Acquire Businesses, Net of Cash Acquired | $ 18,800 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property plant and equipment | 3,200 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Identifiable intangibles | $ 8,600 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Contingent Consideration, Asset |  |  |  |  |  |  |  |  | $ 800 |  |  |  |  |  |  |  |  |
Goodwill, Period Increase (Decrease) |  |  |  |  |  |  |  | $ 500 |  |  |  |  |  |  |  |  |  |
Terra Holding Company [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill |  |  |  |  |  | $ 61,100 |  |  |  |  |  |  |  |  |  |  |  |
Acquired finite-lived Intangible assets, weighted-average useful life |  |  |  |  |  | 12 years |  |  |  |  |  |  |  |  |  |  |  |
Payments to Acquire Businesses, Net of Cash Acquired |  |  |  |  |  | $ 122,100 |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property plant and equipment |  |  |  |  |  | 27,700 |  |  |  |  |  |  |  |  |  |  |  |
Identifiable intangibles |  |  |  |  |  | 46,200 |  |  |  |  |  |  |  |  |  |  |  |
Deferred tax liability |  |  |  |  |  | 19,500 |  |  |  |  |  |  |  |  |  |  |  |
Working Capital |  |  |  |  |  | 6,600 |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition, Goodwill, Expected Tax Deductible Amount |  |  |  |  |  | $ 5,200 |  |  |  |  |  |  |  |  |  |  |  |
Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Issuance of common stock |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 874,000 |
Senior Notes [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Face amount of debt insturment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 500,000
Trademarks and Trade Names [Member] | Vion Ingredients [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Indefinite-Lived Intangible Assets |  | $ 32,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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