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
Balance (in shares) at Jan. 01, 2022									160,792,004
Stockholders' Equity, Beginning Balance at Jan. 01, 2022	$ 3,347,785				$ 3,280,960				$ 1,717	$ 1,627,816	$ (374,721)	$ (321,690)				$ 2,347,838	$ 66,825
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	190,731				188,053											188,053	2,678
Pension adjustments, net of tax	429				429							429
Derivative adjustments		$ (22,058)		$ 29,435		$ (22,058)		$ 29,435					$ (22,058)		$ 29,435
Foreign currency translation adjustments	3,382				2,515							2,515					867
Issuance of non-vested stock (in shares)									5,000
Issuance of non-vested stock	18				18					18
Stock-based compensation	6,305				6,305					6,305
Treasury stock (in shares)									(938,113)
Treasury stock	(64,185)				(64,185)						(64,185)
Issuance of common stock (in shares)									1,644,866
Issuance of common stock	3,808				3,808				$ 17	3,791
Balance (in shares) at Apr. 02, 2022									161,503,757
Stockholders' Equity, Ending Balance at Apr. 02, 2022	3,495,650				3,425,280				$ 1,734	1,637,930	(438,906)	(311,369)				2,535,891	70,370
Balance (in shares) at Jan. 01, 2022									160,792,004
Stockholders' Equity, Beginning Balance at Jan. 01, 2022	3,347,785				3,280,960				$ 1,717	1,627,816	(374,721)	(321,690)				2,347,838	66,825
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	395,560
Derivative adjustments		2,404	$ 0	8,716
Foreign currency translation adjustments	(90,473)
Balance (in shares) at Jul. 02, 2022									160,860,911
Stockholders' Equity, Ending Balance at Jul. 02, 2022	3,566,523				3,493,466				$ 1,735	1,646,468	(491,717)	(400,907)				2,737,887	73,057
Balance (in shares) at Apr. 02, 2022									161,503,757
Stockholders' Equity, Beginning Balance at Apr. 02, 2022	3,495,650				3,425,280				$ 1,734	1,637,930	(438,906)	(311,369)				2,535,891	70,370
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	204,829				201,996											201,996	2,833
Pension adjustments, net of tax	428				428							428
Derivative adjustments		24,462	0	(20,719)		24,462		(20,719)					24,462		(20,719)
Foreign currency translation adjustments	(93,855)				(93,709)							(93,709)					(146)
Issuance of non-vested stock	30				30					30
Stock-based compensation	7,016				7,016					7,016
Treasury stock (in shares)									(751,432)
Treasury stock	(52,811)				(52,811)						(52,811)
Issuance of common stock (in shares)									108,586
Issuance of common stock	1,493				1,493				$ 1	1,492
Balance (in shares) at Jul. 02, 2022									160,860,911
Stockholders' Equity, Ending Balance at Jul. 02, 2022	3,566,523				3,493,466				$ 1,735	1,646,468	(491,717)	(400,907)				2,737,887	73,057
Balance (in shares) at Dec. 31, 2022									159,969,596
Stockholders' Equity, 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
Balance (in shares) at Apr. 01, 2023									159,564,106
Stockholders' Equity, 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
Balance (in shares) at Dec. 31, 2022									159,969,596
Stockholders' Equity, 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	445,052
Derivative adjustments		3,462	10,326	14,891
Foreign currency translation adjustments	138,809
Balance (in shares) at Jul. 01, 2023									159,489,906
Stockholders' Equity, 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
Balance (in shares) at Apr. 01, 2023									159,564,106
Stockholders' Equity, 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
Balance (in shares) at Jul. 01, 2023									159,489,906
Stockholders' Equity, 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