Goodwill (Details) $ in Thousands	3 Months Ended
	Apr. 02, 2022 USD ($)
Goodwill [Roll Forward]
Goodwill	$ 1,267,071
Accumulated impairment losses	(47,955)
Goodwill	1,219,116
Goodwill, Acquired During Period	25,892
Foreign currency translation	(8,484)
Goodwill	1,284,479
Accumulated impairment losses	(47,955)
Goodwill	1,236,524
Feed Ingredients
Goodwill [Roll Forward]
Goodwill	814,863
Accumulated impairment losses	(15,914)
Goodwill	798,949
Goodwill, Acquired During Period	0
Foreign currency translation	(802)
Goodwill	814,061
Accumulated impairment losses	(15,914)
Goodwill	798,147
Fuel Ingredients
Goodwill [Roll Forward]
Goodwill	119,342
Accumulated impairment losses	(31,580)
Goodwill	87,762
Goodwill, Acquired During Period	25,892
Foreign currency translation	(2,415)
Goodwill	142,819
Accumulated impairment losses	(31,580)
Goodwill	111,239
Food Ingredients
Goodwill [Roll Forward]
Goodwill	332,866
Accumulated impairment losses	(461)
Goodwill	332,405
Goodwill, Acquired During Period	0
Foreign currency translation	(5,267)
Goodwill	327,599
Accumulated impairment losses	(461)
Goodwill	$ 327,138