Document and Entity Information Document - USD ($)	12 Months Ended
	Jan. 02, 2016	Feb. 24, 2016	Jul. 04, 2015
Entity Information [Line Items]
Entity Registrant Name	DARLING INGREDIENTS INC.
Entity Central Index Key	0000916540
Current Fiscal Year End Date	--01-02
Entity Filer Category	Large Accelerated Filer
Document Type	10-K
Document Period End Date	Jan. 02, 2016
Document Fiscal Year Focus	2015
Document Fiscal Period Focus	FY
Amendment Flag	false
Entity Public Float			$ 2,369,125,000
Entity Common Stock, Shares Outstanding		164,174,114
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes