XML 70 R60.htm IDEA: XBRL DOCUMENT v3.8.0.1

Derivatives Derivative Effect of Derivatives Not Designated As Hedges (Details) - Not Designated as Hedging Instrument [Member] - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Oct. 01, 2016	Sep. 30, 2017	Oct. 01, 2016
Derivative [Line Items]
Loss or (Gain) Recognized in Income on Derivatives Not Designated as Hedges	$ (16)	$ 678	$ 8,311	$ (2,126)
Foreign Exchange Contract [Member] | Foreign Currency Gain (Loss) [Member]
Derivative [Line Items]
Loss or (Gain) Recognized in Income on Derivatives Not Designated as Hedges	3,142	1,871	12,418	5,954
Foreign Exchange Contract [Member] | Selling, General and Administrative Expenses [Member]
Derivative [Line Items]
Loss or (Gain) Recognized in Income on Derivatives Not Designated as Hedges	(2,118)	(786)	(3,107)	(7,565)
Corn options and futures [Member] | Sales [Member]
Derivative [Line Items]
Loss or (Gain) Recognized in Income on Derivatives Not Designated as Hedges	165	267	125	612
Corn options and futures [Member] | Cost of Sales [Member]
Derivative [Line Items]
Loss or (Gain) Recognized in Income on Derivatives Not Designated as Hedges	(1,566)	(997)	(1,250)	(1,610)
Heating Oil Swaps And Options [Member] | Sales [Member]
Derivative [Line Items]
Loss or (Gain) Recognized in Income on Derivatives Not Designated as Hedges	492	323	492	476
Soybean Meal [Member] | Sales [Member]
Derivative [Line Items]
Loss or (Gain) Recognized in Income on Derivatives Not Designated as Hedges	(131)	0	(412)	7
Soybean Oil Options [Member] | Sales [Member]
Derivative [Line Items]
Loss or (Gain) Recognized in Income on Derivatives Not Designated as Hedges	$ 0	$ 0	$ 45	$ 0

X

- Definition

Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4A
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5618551-113959

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4C
-Subparagraph (a),(c),(d),(e)
-URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5624171-113959

+ Details

Name:	us-gaap_DerivativeGainLossOnDerivativeNet
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_DerivativeLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_HedgingDesignationAxis=us-gaap_NondesignatedMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=us-gaap_ForeignExchangeContractMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_IncomeStatementLocationAxis=us-gaap_ForeignCurrencyGainLossMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_IncomeStatementLocationAxis=us-gaap_SellingGeneralAndAdministrativeExpensesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=dar_CornOptionsAndFuturesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_IncomeStatementLocationAxis=us-gaap_SalesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_IncomeStatementLocationAxis=us-gaap_CostOfSalesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=dar_HeatingOilSwapsAndOptionsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=dar_SoybeanMealMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=dar_SoybeanOilOptionsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: