Goodwill (Details) $ in Thousands	9 Months Ended
	Oct. 02, 2021 USD ($)
Goodwill [Roll Forward]
Goodwill	$ 1,308,195
Accumulated impairment losses	(47,955)
Goodwill	1,260,240
Goodwill, Acquired During Period	201
Foreign currency translation	(28,262)
Goodwill	1,280,134
Accumulated impairment losses	(47,955)
Goodwill	1,232,179
Feed Ingredients
Goodwill [Roll Forward]
Goodwill	830,321
Accumulated impairment losses	(15,914)
Goodwill	814,407
Goodwill, Acquired During Period	40
Foreign currency translation	(9,959)
Goodwill	820,402
Accumulated impairment losses	(15,914)
Goodwill	804,488
Fuel Ingredients
Goodwill [Roll Forward]
Goodwill	126,578
Accumulated impairment losses	(31,580)
Goodwill	94,998
Goodwill, Acquired During Period	161
Foreign currency translation	(5,242)
Goodwill	121,497
Accumulated impairment losses	(31,580)
Goodwill	89,917
Food Ingredients
Goodwill [Roll Forward]
Goodwill	351,296
Accumulated impairment losses	(461)
Goodwill	350,835
Goodwill, Acquired During Period	0
Foreign currency translation	(13,061)
Goodwill	338,235
Accumulated impairment losses	(461)
Goodwill	$ 337,774