XML 87 R67.htm IDEA: XBRL DOCUMENT
v3.22.2.2

DERIVATIVES - Outstanding Swap Contracts (Details) - USD ($) $ in Millions | Jul. 30, 2022 | May 01, 2021 | Oct. 31, 2020 | Aug. 03, 2015
--- | --- | --- | --- | ---
Derivative [Line Items] |  |  |  |
Derivative, notional amount | $ 1,229 |  |  |
Interest Rate Swap Due August 15, 2022 |  |  |  |
Derivative [Line Items] |  |  |  |
Derivative, notional amount | $ 29 |  |  |
Derivative, forward interest rate | 1.795% |  |  |
Interest Rate Swap Due October 31, 2022 |  |  |  |
Derivative [Line Items] |  |  |  |
Derivative, notional amount | $ 100 |  |  |
Derivative, forward interest rate | 2.817% |  |  |
Interest Rate Swap Due October 31, 2022 |  |  |  |
Derivative [Line Items] |  |  |  |
Derivative, notional amount | $ 50 |  |  |
Derivative, forward interest rate | 2.377% |  |  |
Interest Rate Swap Due October 31, 2022 |  |  |  |
Derivative [Line Items] |  |  |  |
Derivative, notional amount | $ 50 |  |  |
Derivative, forward interest rate | 2.274% |  |  |
Interest Rate Swap Due March 31, 2023 |  |  |  |
Derivative [Line Items] |  |  |  |
Derivative, notional amount | $ 150 |  |  |
Derivative, forward interest rate | 2.777% |  |  |
Interest Rate Swap Due March 31, 2023 |  |  |  |
Derivative [Line Items] |  |  |  |
Derivative, notional amount | $ 50 |  |  |
Derivative, forward interest rate | 2.4245% |  |  |
Interest Rate Swap Due September 30, 2023 |  |  |  |
Derivative [Line Items] |  |  |  |
Derivative, notional amount | $ 50 |  |  |
Derivative, forward interest rate | 2.698% |  |  |
Interest Rate Swap Due October 31, 2023 |  |  |  |
Derivative [Line Items] |  |  |  |
Derivative, notional amount | $ 100 |  |  |
Derivative, forward interest rate | 2.788% |  |  |
Interest Rate Swap Due March 28, 2024 |  |  |  |
Derivative [Line Items] |  |  |  |
Derivative, notional amount | $ 100 |  |  |
Derivative, forward interest rate | 2.36% |  |  |
Interest Rate Swap Due March 28, 2024 |  |  |  |
Derivative [Line Items] |  |  |  |
Derivative, notional amount | $ 100 |  |  |
Derivative, forward interest rate | 2.425% |  |  |
Interest Rate Swap Due October 31, 2024 |  |  |  |
Derivative [Line Items] |  |  |  |
Derivative, notional amount | $ 100 |  |  |
Derivative, forward interest rate | 2.7385% |  |  |
Interest Rate Swap Due October 31, 2024 |  |  |  |
Derivative [Line Items] |  |  |  |
Derivative, notional amount | $ 100 |  |  |
Derivative, forward interest rate | 2.4025% |  |  |
Interest Rate Swap Due October 31, 2024 |  |  |  |
Derivative [Line Items] |  |  |  |
Derivative, notional amount | $ 50 |  |  |
Derivative, forward interest rate | 2.409% |  |  |
Interest Rate Swap Due October 22, 2025 |  |  |  |
Derivative [Line Items] |  |  |  |
Derivative, notional amount | $ 50 |  |  |
Derivative, forward interest rate | 2.8725% |  |  |
Interest Rate Swap Due October 22, 2025 |  |  |  |
Derivative [Line Items] |  |  |  |
Derivative, notional amount | $ 50 |  |  |
Derivative, forward interest rate | 2.875% |  |  |
Interest Rate Swap Due October 22, 2025 |  |  |  |
Derivative [Line Items] |  |  |  |
Derivative, notional amount | $ 50 |  |  |
Derivative, forward interest rate | 2.838% |  |  |
Interest Rate Swap Due October 22, 2025 |  |  |  |
Derivative [Line Items] |  |  |  |
Derivative, notional amount | $ 50 |  |  |
Derivative, forward interest rate | 2.475% |  |  |
Interest rate swaps |  |  |  |
Derivative [Line Items] |  |  |  |
Derivative, notional amount |  | $ 250 | $ 504 |
Quarterly notional principal reduction |  |  |  | $ 1

X
- Definition Quarterly notional principal reduction + References No definition available. + Details
Name: | unfi_Quarterlynotionalprincipalreduction
Namespace Prefix: | unfi_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Stated rate on an interest rate forward or futures contract. + References No definition available. + Details
Name: | us-gaap_DerivativeForwardInterestRate
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
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
- Definition Nominal or face amount used to calculate payment on derivative. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5580258-113959 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5579245-113959 + Details
Name: | us-gaap_DerivativeNotionalAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=unfi_InterestRateSwapDueAugust152022Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=unfi_InterestRateSwapDueOctober3120221Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=unfi_InterestRateSwapDueOctober3120222Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=unfi_InterestRateSwapDueOctober3120223Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=unfi_InterestRateSwapDueMarch3120231Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=unfi_InterestRateSwapDueMarch3120232Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=unfi_InterestRateSwapDueSeptember302023Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=unfi_InterestRateSwapDueOctober312023Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=unfi_InterestRateSwapDueMarch2820241Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=unfi_InterestRateSwapDueMarch2820242Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=unfi_InterestRateSwapDueOctober3120241Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=unfi_InterestRateSwapDueOctober3120242Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=unfi_InterestRateSwapDueOctober3120243Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=unfi_InterestRateSwapDueOctober2220251Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=unfi_InterestRateSwapDueOctober2220252Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=unfi_InterestRateSwapDueOctober2220253Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=unfi_InterestRateSwapDueOctober2220254Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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