Goodwill (Details) $ in Thousands	3 Months Ended
Mar. 28, 2020 USD ($)
Goodwill [Roll Forward]
Goodwill	$ 1,239,666
Accumulated impairment losses	(16,375)
Goodwill	1,223,291
Foreign currency translation	(20,699)
Goodwill	1,218,967
Accumulated impairment losses	(16,375)
Goodwill	1,202,592
Feed Ingredients
Goodwill [Roll Forward]
Goodwill	793,457
Accumulated impairment losses	(15,914)
Goodwill	777,543
Foreign currency translation	(14,675)
Goodwill	778,782
Accumulated impairment losses	(15,914)
Goodwill	762,868
Fuel Ingredients
Goodwill [Roll Forward]
Goodwill	116,555
Accumulated impairment losses	0
Goodwill	116,555
Foreign currency translation	(3,213)
Goodwill	113,342
Accumulated impairment losses	0
Goodwill	113,342
Food Ingredients
Goodwill [Roll Forward]
Goodwill	329,654
Accumulated impairment losses	(461)
Goodwill	329,193
Foreign currency translation	(2,811)
Goodwill	326,843
Accumulated impairment losses	(461)
Goodwill	$ 326,382

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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-Publisher FASB
-Name Accounting Standards Codification
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-Section 45
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Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount before accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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Amount of accumulated impairment loss for an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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