Line of Credit Facility, Term

No definition available.

Name:	dar_LineOfCreditFacilityTerm
Namespace Prefix:	dar_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- 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

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount, after accumulated amortization, of debt premium.

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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

+ References

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Present value of lessee's discounted obligation for lease payments from finance lease.

+ References

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+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The effective interest rate at the end of the reporting period.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount, excluding unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

+ References

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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of long-term debt and lease obligation, classified as noncurrent.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of long-term debt and lease obligation, classified as current.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The cash inflow from a borrowing with the highest claim on the assets of the entity in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle, if longer).

+ References

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-Paragraph 14
-Subparagraph (b)
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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Debt Narrative (Details)		12 Months Ended
Debt Narrative (Details)	Aug. 17, 2022 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2022 EUR (€)	Jun. 09, 2022 USD ($)	Jan. 01, 2022 USD ($)	Dec. 09, 2021 USD ($)	Dec. 08, 2021 USD ($)	Apr. 03, 2019 USD ($)	May 02, 2018 EUR (€)	Jun. 03, 2015	Jan. 02, 2014
Debt Instrument [Line Items]
Current portion of long-term debt		$ 69,846,000			$ 24,407,000
Long-term debt, net of current portion		3,314,969,000			1,438,974,000
Finance Lease, Liability		$ 14,438,000	€ 8,600,000
Senior Secured Facilities [Member]
Debt Instrument [Line Items]
Line of credit facility, term		5 years
US Finance Lease Obligations
Debt Instrument [Line Items]
Finance Lease, Liability		$ 5,300,000
Term Loan B Facility [Member] \| Senior Secured Facilities [Member]
Debt Instrument [Line Items]
Long-term Debt		198,698,000			198,072,000
Revolving Credit Facility [Member] \| Senior Secured Facilities [Member]
Debt Instrument [Line Items]
Long-term line of credit		515,000,000
Senior Notes [Member] \| Senior Notes 3.625% Due 2026 [Member]
Debt Instrument [Line Items]
Long-term line of credit \| €			€ 515,000,000
Face amount of debt insturment \| €									€ 515,000,000
Long-term Debt		$ 546,086,000			577,949,000
Annual interest rate		3.625%	3.625%						3.625%
Senior Notes [Member] \| Senior Notes 5.25% Due 2027 [Member]
Debt Instrument [Line Items]
Face amount of debt insturment								$ 500,000,000
Long-term Debt		$ 495,873,000			495,041,000
Annual interest rate		5.25%	5.25%					5.25%
Senior Notes [Member] \| Senior Notes 5.375% Due 2022 [Member]
Debt Instrument [Line Items]
Annual interest rate											5.375%
Senior Notes [Member] \| Senior Notes 4.75% Due 2022 [Member]
Debt Instrument [Line Items]
Annual interest rate										4.75%
Senior Notes [Member] \| Senior Notes 6% Due 2030
Debt Instrument [Line Items]
Face amount of debt insturment	$ 250,000,000	$ 1,000,000,000		$ 750,000,000
Long-term Debt		$ 992,772,000			0
Annual interest rate		6.00%	6.00%	6.00%
Debt Issuance Costs, Net		$ 12,700,000
Proceeds from Issuance of Senior Long-Term Debt	255,000,000
Debt Instrument, Unamortized Premium	$ 5,000,000
Secured Debt [Member] \| Senior Secured Facilities [Member]
Debt Instrument [Line Items]
Maximum availability		3,725,000,000
Debt Issuance Costs, Net		3,800,000
Other Notes and Obligations [Member]
Debt Instrument [Line Items]
Long-term Debt		124,364,000			32,319,000
Other Notes and Obligations [Member] \| Bank Overdrafts [Member]
Debt Instrument [Line Items]
Long-term Debt		24,200,000
Other Notes and Obligations [Member] \| Other Debt Obligations [Member]
Debt Instrument [Line Items]
Long-term Debt		39,400,000
Other Notes and Obligations [Member] \| Other Debt Obligations [Member] \| Brazil, Brazil Real
Debt Instrument [Line Items]
Long-term Debt		51,000,000
Term A-1 Facility \| Senior Secured Facilities [Member]
Debt Instrument [Line Items]
Long-term line of credit		400,000,000
Long-term Debt		399,278,000			0
Term A-1 Facility \| Senior Secured Facilities [Member] \| Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate \| United States of America, Dollars
Debt Instrument [Line Items]
Long-term line of credit		400,000,000
Term A-2 Facility \| Senior Secured Facilities [Member]
Debt Instrument [Line Items]
Long-term line of credit		500,000,000
Long-term Debt		492,716,000			0
Term A-2 Facility \| Senior Secured Facilities [Member] \| Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate \| United States of America, Dollars
Debt Instrument [Line Items]
Long-term line of credit		493,800,000
Term A-3 Facility \| Senior Secured Facilities [Member]
Debt Instrument [Line Items]
Availability		300,000,000
Term A-4 Facility \| Senior Secured Facilities [Member]
Debt Instrument [Line Items]
Availability		500,000,000
Revolving Credit Facility [Member] \| Senior Secured Facilities [Member]
Debt Instrument [Line Items]
Maximum availability		1,500,000,000				$ 1,500,000,000	$ 1,000,000,000
Availability		1,313,000,000
Revolving Credit Facility [Member] \| Senior Secured Facilities [Member] \| Base Rate [Member] \| United States of America, Dollars
Debt Instrument [Line Items]
Long-term line of credit		83,000,000
Revolving Credit Facility [Member] \| Senior Secured Facilities [Member] \| Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate \| United States of America, Dollars
Debt Instrument [Line Items]
Long-term line of credit		20,000,000
Revolving Credit Facility [Member] \| Senior Secured Facilities [Member] \| EURIBOR \| Euro Member Countries, Euro
Debt Instrument [Line Items]
Long-term line of credit \| €			€ 30,000,000
Revolving Credit Facility [Member] \| Revolving Credit Facility [Member] \| Senior Secured Facilities [Member]
Debt Instrument [Line Items]
Long-term Debt		135,028,000			$ 160,000,000
Revolving Credit Facility [Member] \| Revolving Credit Facility [Member] \| Senior Secured Facilities [Member] \| Euro Member Countries, Euro
Debt Instrument [Line Items]
Long-term line of credit		32,000,000	€ 30,000,000
Revolving Credit Facility [Member] \| Secured Debt [Member] \| Senior Secured Facilities [Member]
Debt Instrument [Line Items]
Availability		1,460,000,000
Revolving Credit Facility [Member] \| Secured Debt [Member] \| Senior Secured Facilities [Member] \| United States of America, Dollars
Debt Instrument [Line Items]
Availability		40,000,000
Term Loan A Facility [Member] \| Senior Secured Facilities [Member]
Debt Instrument [Line Items]
Face amount of debt insturment		$ 400,000,000
Line of credit facility, term		5 years
Term Loan A Facility [Member] \| Secured Debt [Member] \| Senior Secured Facilities [Member] \| Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate \| United States of America, Dollars
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate		1.50%
Letter of Credit [Member] \| Senior Secured Facilities [Member]
Debt Instrument [Line Items]
Long-term line of credit		$ 3,900,000
Maximum availability		$ 150,000,000
Secured Debt [Member] \| Senior Secured Facilities [Member] \| Base Rate [Member]
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate		0.25%
Line of credit facility, interest rate at period end		7.75%	7.75%
Secured Debt [Member] \| Senior Secured Facilities [Member] \| Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate		1.25%
Line of credit facility, interest rate at period end		5.6725%	5.6725%
Secured Debt [Member] \| Senior Secured Facilities [Member] \| EURIBOR
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate		1.25%
Line of credit facility, interest rate at period end		3.148%	3.148%
Secured Debt [Member] \| Term A-1 Facility \| Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate		1.50%
Line of credit facility, interest rate at period end		5.923%	5.923%
Secured Debt [Member] \| Term A-2 Facility \| Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate		1.25%
Line of credit facility, interest rate at period end		5.673%	5.673%
Secured Debt [Member] \| Secured Debt [Member] \| Senior Secured Facilities [Member]
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate		1.25%
Secured Debt [Member] \| Secured Debt [Member] \| Senior Secured Facilities [Member] \| Base Rate [Member]
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate		0.25%
Swingline Sub-Facility [Member] \| Senior Secured Facilities [Member]
Debt Instrument [Line Items]
Maximum availability		$ 50,000,000
Term Loan B Facility [Member] \| Senior Secured Facilities [Member]
Debt Instrument [Line Items]
Face amount of debt insturment		525,000,000
Term Loan B Facility [Member] \| Senior Secured Facilities [Member] \| United States of America, Dollars
Debt Instrument [Line Items]
Long-term line of credit		$ 200,000,000
Term Loan B Facility [Member] \| Senior Secured Facilities [Member] \| London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate		2.00%
Line of credit facility, interest rate at period end		6.30%	6.30%
Term Loan B Facility [Member] \| Secured Debt [Member] \| Senior Secured Facilities [Member] \| London Interbank Offered Rate (LIBOR) [Member] \| United States of America, Dollars
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate		2.00%
Term Loan B Facility [Member] \| Secured Debt [Member] \| Senior Secured Facilities [Member] \| Base Rate [Member] \| United States of America, Dollars
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate		1.00%
Foreign Line of Credit [Member] \| Senior Secured Facilities [Member]
Debt Instrument [Line Items]
Long-term line of credit		$ 13,000,000
Foreign Line of Credit [Member] \| Other Notes and Obligations [Member]
Debt Instrument [Line Items]
Long-term line of credit		9,800,000
Ancillary Facilities \| Senior Secured Facilities [Member]
Debt Instrument [Line Items]
Long-term line of credit		48,100,000
Term A-2 Facility \| Senior Secured Facilities [Member]
Debt Instrument [Line Items]
Face amount of debt insturment		$ 500,000,000
Term A-2 Facility \| Secured Debt [Member] \| Senior Secured Facilities [Member] \| Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate \| United States of America, Dollars
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate		1.25%
Term A-3 Facility \| Senior Secured Facilities [Member]
Debt Instrument [Line Items]
Face amount of debt insturment		$ 300,000,000
Term A-4 Facility \| Senior Secured Facilities [Member]
Debt Instrument [Line Items]
Face amount of debt insturment		500,000,000
Term A-1 Facility \| Senior Secured Facilities [Member]
Debt Instrument [Line Items]
Face amount of debt insturment		400,000,000
Domestic Line of Credit \| Senior Secured Facilities [Member]
Debt Instrument [Line Items]
Long-term line of credit		$ 10,900,000