XML 121 R103.htm IDEA: XBRL DOCUMENT
v3.22.4

Business Segments (Narrative) (Details) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 USD ($) segment | Jan. 01, 2022 USD ($) | Jan. 02, 2021 USD ($)
Segment Reporting Information [Line Items] |  |  |  |
Number of Business Segments | segment |  | 3 |  |
Capital expenditures for the year ended: | [1] | $ 391,309 | $ 274,126 | $ 280,115
Capital assets |  | 588,800 |  | 18,400
Fuel Ingredients [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Capital expenditures for the year ended: |  | $ 37,568 | $ 26,078 | $ 30,638
[1] | Excludes capital assets acquired by acquisition in fiscal 2022 and fiscal 2020 of approximately $588.8 million and $18.4 million, respectively.

X
- Definition Number of Business Segments + References No definition available. + Details
Name: | dar_NumberOfBusinessSegments
Namespace Prefix: | dar_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of assets acquired at the acquisition date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=128092470&loc=d3e4845-128472 + Details
Name: | us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The cash outflow for purchases of and capital improvements on property, plant and equipment (capital expenditures), software, and other intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3213-108585 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 50 -Section 30 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=126928898&loc=d3e9212-128498 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 50 -Section 30 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=126928898&loc=d3e9215-128498 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 50 -Section 25 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=127000608&loc=d3e9135-128495 + Details
Name: | us-gaap_PaymentsToAcquireProductiveAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_SegmentReportingInformationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=dar_FuelIngredientsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |