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Document and Entity Information Document - shares	6 Months Ended
	Jun. 30, 2018	Aug. 02, 2018
Document - Entity Information [Abstract]
Entity Registrant Name	DARLING INGREDIENTS INC.
Entity Central Index Key	0000916540
Current Fiscal Year End Date	--12-29
Entity Filer Category	Large Accelerated Filer
Document Type	10-Q
Document Period End Date	Jun. 30, 2018
Document Fiscal Year Focus	2018
Document Fiscal Period Focus	Q2
Amendment Flag	false
Entity Common Stock, Shares Outstanding		164,655,391

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