Acquisitions (Details) € in Thousands, $ in Thousands							1 Months Ended	3 Months Ended
	Mar. 31, 2023 USD ($) facilities	Mar. 31, 2023 BRL (R$)	Nov. 02, 2022 EUR (€)	Aug. 01, 2022 USD ($) facilities	Aug. 01, 2022 BRL (R$)	May 02, 2022 USD ($) facilities	Feb. 28, 2022 USD ($)	Apr. 01, 2023 USD ($)	Dec. 31, 2022 USD ($)	Apr. 02, 2022 USD ($)	Aug. 01, 2022 BRL (R$) facilities	Feb. 25, 2022 USD ($)
Business Acquisition [Line Items]
Acquisition and integration costs								$ 7,022		$ 3,773
Net sales								1,791,172		1,366,334
Net income attributable to Darling								185,801		188,053
Goodwill								2,587,587	$ 1,970,377
South America
Business Acquisition [Line Items]
Net sales								104,323		$ 8,496
Senior Secured Facilities | Term A-1 Facility
Business Acquisition [Line Items]
Line of credit outstanding								400,000
Senior Secured Facilities | Term A-2 Facility
Business Acquisition [Line Items]
Line of credit outstanding								500,000
Senior Secured Facilities | Revolving Credit Facility
Business Acquisition [Line Items]
Line of credit outstanding								515,000
Senior Secured Facilities | Term A-4 Facility
Business Acquisition [Line Items]
Line of credit outstanding	$ 500,000
Senior Secured Facilities | Term A-3 Facility
Business Acquisition [Line Items]
Line of credit outstanding	300,000
FASA Group
Business Acquisition [Line Items]
Property, plant and equipment				$ 223,329
Other noncurrent liabilities				$ (503)
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life				11 years 4 months 24 days	11 years 4 months 24 days
Payments to Acquire Businesses, Gross				$ 562,600	R$ 2,900,000,000
Business Combination, Number of Facilities Acquired | facilities				14							14
Business Combination, Purchase Price Adjustments									7,100
Net sales								93,500
Net income attributable to Darling								4,500
Business Combination, Number of Facilities Acquired Under Construction | facilities				2							2
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, Low | R$											R$ 0
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High | R$											1,000,000,000
Business Combination, Contingent Consideration, Liability				$ 168,100							R$ 867,500,000
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Future Earnings Growth Period				3 years	3 years
Goodwill				$ 377,789
Goodwill, Purchase Accounting Adjustments								30,800
Less hold-back				$ 21,705
Foreign Currency Exchange Rate				5.16							5.16
Increase in property, plant and equipment								80,400
Decrease in intangible assets								38,900
Increase in deferred tax liabilities								16,700
Increase in other assets and liabilities								6,000
FASA Group | Collection Routes [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles				$ 111,500
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life				12 years	12 years
FASA Group | Trade Names [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles				$ 10,800
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life				5 years	5 years
Valley Proteins
Business Acquisition [Line Items]
Property, plant and equipment						$ 409,405
Other noncurrent liabilities						$ (19,436)
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life						15 years
Payments to Acquire Businesses, Gross						$ 1,177,000
Business Combination, Number of Facilities Acquired | facilities						18
Business Combination, Purchase Price Adjustments								6,000
Net sales								226,400
Net income attributable to Darling								(500)
Goodwill						$ 358,298
Valley Proteins | Collection Routes [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles						$ 292,100
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life						15 years
Valley Proteins | Permits [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles						$ 97,100
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life						15 years
Valley Proteins | Other Intangible Assets
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles	284,000
Group Op de Beeck
Business Acquisition [Line Items]
Business Acquisition, Price of Acquisition												$ 91,700
Business combination, consideration transferred							$ 71,300		75,500
Property, plant and equipment												28,100
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles												27,200
Other noncurrent liabilities												(9,400)
Business Combination, Purchase Price Adjustments									$ 4,200
Goodwill												$ 29,600
Gelnex
Business Acquisition [Line Items]
Business combination, consideration transferred	1,100,000
Property, plant and equipment	127,769
Other noncurrent liabilities	(19)
Acquisition and integration costs								$ 5,800
Payments to Acquire Businesses, Gross | R$		R$ 4,300,000,000
Goodwill	626,202
Less hold-back	104,145
Business Acquisition, Goodwill, Expected Tax Deductible Amount	506,300
Business Combination, Price of Acquisition, Expected	$ 1,200,000
Foreign Currency Exchange Rate	5.0812
Payments to Acquire Businesses, Partial Payment, US Dollar Equivalent to Brazilian Real	$ 855,100
Payments to Acquire Businesses, Partial Payment	$ 243,500
Gelnex | South America
Business Acquisition [Line Items]
Business Combination, Number of Facilities Acquired | facilities	5
Gelnex | UNITED STATES
Business Acquisition [Line Items]
Business Combination, Number of Facilities Acquired | facilities	1
Miropasz
Business Acquisition [Line Items]
Business Combination, Price of Acquisition, Expected | €			€ 110,000