Consolidated Statements of Stockholders’ Equity - USD ($) $ in Thousands	Total	Commodity Contract	Interest Rate Swap	Foreign Exchange Contract	Stockholders' equity attributable to Darling	Stockholders' equity attributable to Darling Commodity Contract	Stockholders' equity attributable to Darling Interest Rate Swap	Stockholders' equity attributable to Darling Foreign Exchange Contract	Common Stock	Additional Paid-In Capital	Treasury Stock	Accumulated Other Comprehensive Loss	Accumulated Other Comprehensive Loss Commodity Contract	Accumulated Other Comprehensive Loss Interest Rate Swap	Accumulated Other Comprehensive Loss Foreign Exchange Contract	Retained Earnings	Non-controlling Interests
Beginning balance (in shares) at Dec. 31, 2022									159,969,596
Beginning balance at Dec. 31, 2022	$ 3,896,490				$ 3,809,023				$ 1,736	$ 1,660,084	$ (554,451)	$ (383,874)				$ 3,085,528	$ 87,467
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	189,855				185,801											185,801	4,054
Deductions to noncontrolling interests	(3,441)																(3,441)
Addition to noncontrolling interests	1,643																1,643
Pension adjustments, net of tax	327				327							327
Derivative adjustments		$ 21,124	$ 720	$ 5,620		$ 21,124	$ 720	$ 5,620					$ 21,124	$ 720	$ 5,620
Foreign currency translation adjustments	56,217				56,875							56,875					(658)
Issuance of non-vested stock	47				47					47
Stock-based compensation	11,806				11,806					11,806
Treasury stock (in shares)									(1,039,462)
Treasury stock	(60,510)				(60,510)						(60,510)
Issuance of common stock (in shares)									633,972
Issuance of common stock	1,701				1,701				$ 6	1,695
Ending balance (in shares) at Apr. 01, 2023									159,564,106
Ending balance at Apr. 01, 2023	4,121,599				4,032,534				$ 1,742	1,673,632	(614,961)	(299,208)				3,271,329	89,065
Beginning balance (in shares) at Dec. 31, 2022									159,969,596
Beginning balance at Dec. 31, 2022	3,896,490				3,809,023				$ 1,736	1,660,084	(554,451)	(383,874)				3,085,528	87,467
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	573,133
Derivative adjustments		(25,826)	12,237	4,466
Foreign currency translation adjustments	57,312
Ending balance (in shares) at Sep. 30, 2023									159,532,408
Ending balance at Sep. 30, 2023	4,466,982				4,380,714				$ 1,744	1,691,636	(628,991)	(332,413)				3,648,738	86,268
Beginning balance (in shares) at Apr. 01, 2023									159,564,106
Beginning balance at Apr. 01, 2023	4,121,599				4,032,534				$ 1,742	1,673,632	(614,961)	(299,208)				3,271,329	89,065
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	255,197				252,383											252,383	2,814
Distribution of noncontrolling interest earnings	(9,036)																(9,036)
Addition to noncontrolling interests	2,003																2,003
Pension adjustments, net of tax	327				327							327
Derivative adjustments		(17,662)	9,606	9,271		(17,662)	9,606	9,271					(17,662)	9,606	9,271
Foreign currency translation adjustments	82,592				85,105							85,105					(2,513)
Issuance of non-vested stock	46				46					46
Stock-based compensation	6,186				6,186					6,186
Treasury stock (in shares)									(164,362)
Treasury stock	(9,891)				(9,891)						(9,891)
Issuance of common stock (in shares)									90,162
Issuance of common stock	325				325				$ 1	324
Ending balance (in shares) at Jul. 01, 2023									159,489,906
Ending balance at Jul. 01, 2023	4,450,563				4,368,230				$ 1,743	1,680,188	(624,852)	(212,561)				3,523,712	82,333
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	128,081				125,026											125,026	3,055
Pension adjustments, net of tax	327				327							327
Derivative adjustments		(29,288)	1,911	(10,425)		(29,288)	1,911	(10,425)					(29,288)	1,911	(10,425)
Foreign currency translation adjustments	(81,497)				(82,377)							(82,377)					880
Issuance of non-vested stock	47				47					47
Stock-based compensation	8,914				8,914					8,914
Treasury stock (in shares)									(66,533)
Treasury stock	(4,139)				(4,139)						(4,139)
Issuance of common stock (in shares)									109,035
Issuance of common stock	2,488				2,488				$ 1	2,487
Ending balance (in shares) at Sep. 30, 2023									159,532,408
Ending balance at Sep. 30, 2023	4,466,982				4,380,714				$ 1,744	1,691,636	(628,991)	(332,413)				3,648,738	86,268
Beginning balance (in shares) at Dec. 30, 2023									159,533,789
Beginning balance at Dec. 30, 2023	4,693,691				4,605,431				$ 1,744	1,697,787	(629,008)	(198,346)				3,733,254	88,260
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	81,588				81,157											81,157	431
Pension adjustments, net of tax	262				262							262
Derivative adjustments		(31,758)	4,077	(6,859)		(31,758)	4,077	(6,859)					(31,758)	4,077	(6,859)
Foreign currency translation adjustments	(64,670)				(65,840)							(65,840)					1,170
Issuance of non-vested stock	47				47					47
Stock-based compensation	12,789				12,789					12,789
Treasury stock (in shares)									(179,955)
Treasury stock	(7,908)				(7,908)						(7,908)
Issuance of common stock (in shares)									425,723
Issuance of common stock	1,731				1,731				$ 5	1,726
Ending balance (in shares) at Mar. 30, 2024									159,779,557
Ending balance at Mar. 30, 2024	4,682,990				4,593,129				$ 1,749	1,712,349	(636,916)	(298,464)				3,814,411	89,861
Beginning balance (in shares) at Dec. 30, 2023									159,533,789
Beginning balance at Dec. 30, 2023	4,693,691				4,605,431				$ 1,744	1,697,787	(629,008)	(198,346)				3,733,254	88,260
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	182,068
Derivative adjustments		(18,210)	(4,998)	(19,581)
Foreign currency translation adjustments	(177,258)
Ending balance (in shares) at Sep. 28, 2024									159,043,922
Ending balance at Sep. 28, 2024	4,634,294				4,551,410				$ 1,750	1,724,665	(667,346)	(417,885)				3,910,226	82,884
Beginning balance (in shares) at Mar. 30, 2024									159,779,557
Beginning balance at Mar. 30, 2024	4,682,990				4,593,129				$ 1,749	1,712,349	(636,916)	(298,464)				3,814,411	89,861
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	81,365				78,866											78,866	2,499
Distribution of noncontrolling interest earnings	(10,750)																(10,750)
Pension adjustments, net of tax	262				262							262
Derivative adjustments		(2,349)	(3,240)	(18,789)		(2,349)	(3,240)	(18,789)					(2,349)	(3,240)	(18,789)
Foreign currency translation adjustments	(168,038)				(168,092)							(168,092)					54
Issuance of non-vested stock	46				46					46
Stock-based compensation	10,708				10,708					10,708
Treasury stock (in shares)									(814,398)
Treasury stock	(29,629)				(29,629)						(29,629)
Issuance of common stock (in shares)									18,267
Issuance of common stock	37				37				$ 0	37
Ending balance (in shares) at Jun. 29, 2024									158,983,426
Ending balance at Jun. 29, 2024	4,542,613				4,460,949				$ 1,749	1,723,140	(666,545)	(490,672)				3,893,277	81,664
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	19,115				16,949											16,949	2,166
Pension adjustments, net of tax	262				262							262
Derivative adjustments		$ 15,897	$ (5,835)	$ 6,067		$ 15,897	$ (5,835)	$ 6,067					$ 15,897	$ (5,835)	$ 6,067
Foreign currency translation adjustments	55,450				56,396							56,396					(946)
Issuance of non-vested stock	47				47					47
Stock-based compensation	1,146				1,146					1,146
Treasury stock (in shares)									(21,192)
Treasury stock	(801)				(801)						(801)
Issuance of common stock (in shares)									81,688
Issuance of common stock	333				333				$ 1	332
Ending balance (in shares) at Sep. 28, 2024									159,043,922
Ending balance at Sep. 28, 2024	$ 4,634,294				$ 4,551,410				$ 1,750	$ 1,724,665	$ (667,346)	$ (417,885)				$ 3,910,226	$ 82,884