XML 75 R65.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Derivatives (Forward Contracts Not Designated as Hedging Instruments) (Details) - Jun. 30, 2018 - Not Designated as Hedging Instrument [Member] € in Thousands, ¥ in Thousands, ¥ in Thousands, £ in Thousands, zł in Thousands, R$ in Thousands, $ in Thousands, $ in Thousands | USD ($) | EUR (€) | GBP (£) | CNY (¥) | AUD ($) | PLN (zł) | BRL (R$) | JPY (¥)
--- | --- | --- | --- | --- | --- | --- | --- | ---
BRI/EUR 1 [Member] | Short [Member] |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Derivative notional amount | R$ |  |  |  |  |  |  | R$ 32,387 |
BRI/EUR 1 [Member] | Long [Member] |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Derivative notional amount |  | € 7,490 |  |  |  |  |  |
BRI/USD [Member] | Short [Member] |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Derivative notional amount | R$ |  |  |  |  |  |  | R$ 80,599 |
BRI/USD [Member] | Long [Member] |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Derivative notional amount | $ | $ 22,460 |  |  |  |  |  |  |
EUR/USD [Member] | Short [Member] |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Derivative notional amount |  | 90,399 |  |  |  |  |  |
EUR/USD [Member] | Long [Member] |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Derivative notional amount | $ | 107,009 |  |  |  |  |  |  |
EUR/PLN [Member] | Short [Member] |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Derivative notional amount |  | 14,184 |  |  |  |  |  |
EUR/PLN [Member] | Long [Member] |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Derivative notional amount | zł |  |  |  |  |  | zł 61,280 |  |
EUR/JPN [Member] | Short [Member] |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Derivative notional amount |  | 7,153 |  |  |  |  |  |
EUR/JPN [Member] | Long [Member] |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Derivative notional amount | ¥ |  |  |  |  |  |  |  | ¥ 926,570
EUR/CNY [Member] | Short [Member] |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Derivative notional amount |  | 85,702 |  |  |  |  |  |
EUR/CNY [Member] | Long [Member] |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Derivative notional amount | ¥ |  |  |  | ¥ 650,727 |  |  |  |
EUR/AUD [Member] | Short [Member] |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Derivative notional amount |  | 12,592 |  |  |  |  |  |
EUR/AUD [Member] | Long [Member] |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Derivative notional amount | $ |  |  |  |  | $ 19,350 |  |  |
EUR/GBP [Member] | Short [Member] |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Derivative notional amount |  | 4,827 | £ 88 |  |  |  |  |
EUR/GBP [Member] | Long [Member] |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Derivative notional amount |  | 100 | 4,262 |  |  |  |  |
GBP/USD [Member] | Short [Member] |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Derivative notional amount | £ |  |  | £ 139 |  |  |  |  |
GBP/USD [Member] | Long [Member] |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Derivative notional amount | $ | 105 |  |  |  |  |  |  |
PLN/EUR [Member] | Short [Member] |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Derivative notional amount | zł |  |  |  |  |  | zł 24,712 |  |
PLN/EUR [Member] | Long [Member] |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Derivative notional amount |  | € 5,685 |  |  |  |  |  |
JPN/USD [Member] | Short [Member] |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Derivative notional amount | ¥ |  |  |  |  |  |  |  | ¥ 254,613
JPN/USD [Member] | Long [Member] |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Derivative notional amount | $ | $ 2,322 |  |  |  |  |  |  |

X
- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
Name: | invest_DerivativeNotionalAmount
Namespace Prefix: | invest_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

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_DerivativeInstrumentRiskAxis=dar_BRIEUR1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PositionAxis=us-gaap_ShortMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | us-gaap_PositionAxis=us-gaap_LongMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=dar_BRIUSDMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=dar_EURUSDMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=dar_EURPLNMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=dar_EURJPNMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=dar_EURCNYMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=dar_EURAUDMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=dar_EURGBPMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=dar_GBPUSDMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=dar_PLNEURMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=dar_JPNUSDMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |