v3.22.4

Fair value of financial instruments - Schedule of Financial Instruments Measured at Fair Value on Recurring Basis (Details) $ in Thousands, $ in Millions | Dec. 30, 2022 USD ($) | Dec. 30, 2022 CAD ($) | Jun. 24, 2022 USD ($) | Jun. 24, 2022 CAD ($)
--- | --- | --- | --- | ---
Foreign currency forward contracts |  |  |  |
Liabilities |  |  |  |
Derivative assets, notional amount | $ 126,000 | $ 0.8 | $ 64,200 |
Derivative liabilities, notional amount | 4,000 |  | 135,000 | $ 0.5
Fair value, measurements, recurring |  |  |  |
Assets |  |  |  |
Derivative assets – current portion | 5,835 |  | 110 |
Derivative assets – non-current portion | 37 |  |  |
Total | 296,975 |  | 290,633 |
Liabilities |  |  |  |
Derivative liabilities – current portion | (764) |  | (7,345) |
Derivative liabilities – non-current portion |  |  | 234 |
Total | (764) |  | (7,579) |
Fair value, measurements, recurring | Interest rate swaps |  |  |  |
Liabilities |  |  |  |
Derivative assets, notional amount | 64,200 |  |  |
Derivative liabilities, notional amount | 60,900 |  | 60,900 |
Fair value, measurements, recurring | Cash equivalents |  |  |  |
Assets |  |  |  |
Marketable securities | 14,325 |  | 10,366 |
Fair value, measurements, recurring | Liquidity funds |  |  |  |
Assets |  |  |  |
Marketable securities | 30,127 |  | 31,477 |
Fair value, measurements, recurring | Corporate debt securities |  |  |  |
Assets |  |  |  |
Marketable securities | 236,911 |  | 229,018 |
Fair value, measurements, recurring | U.S. agency and U.S. treasury securities |  |  |  |
Assets |  |  |  |
Marketable securities | 9,740 |  | 19,662 |
Level 1 | Fair value, measurements, recurring |  |  |  |
Assets |  |  |  |
Derivative assets – current portion | 0 |  | 0 |
Derivative assets – non-current portion | 0 |  |  |
Total | 0 |  | 0 |
Liabilities |  |  |  |
Derivative liabilities – current portion | 0 |  | 0 |
Derivative liabilities – non-current portion |  |  | 0 |
Total | 0 |  | 0 |
Level 1 | Fair value, measurements, recurring | Cash equivalents |  |  |  |
Assets |  |  |  |
Marketable securities | 0 |  | 0 |
Level 1 | Fair value, measurements, recurring | Liquidity funds |  |  |  |
Assets |  |  |  |
Marketable securities | 0 |  | 0 |
Level 1 | Fair value, measurements, recurring | Corporate debt securities |  |  |  |
Assets |  |  |  |
Marketable securities | 0 |  | 0 |
Level 1 | Fair value, measurements, recurring | U.S. agency and U.S. treasury securities |  |  |  |
Assets |  |  |  |
Marketable securities | 0 |  | 0 |
Level 2 | Fair value, measurements, recurring |  |  |  |
Assets |  |  |  |
Derivative assets – current portion | 5,835 |  | 110 |
Derivative assets – non-current portion | 37 |  |  |
Total | 296,975 |  | 290,633 |
Liabilities |  |  |  |
Derivative liabilities – current portion | (764) |  | (7,345) |
Derivative liabilities – non-current portion |  |  | 234 |
Total | (764) |  | (7,579) |
Level 2 | Fair value, measurements, recurring | Cash equivalents |  |  |  |
Assets |  |  |  |
Marketable securities | 14,325 |  | 10,366 |
Level 2 | Fair value, measurements, recurring | Liquidity funds |  |  |  |
Assets |  |  |  |
Marketable securities | 30,127 |  | 31,477 |
Level 2 | Fair value, measurements, recurring | Corporate debt securities |  |  |  |
Assets |  |  |  |
Marketable securities | 236,911 |  | 229,018 |
Level 2 | Fair value, measurements, recurring | U.S. agency and U.S. treasury securities |  |  |  |
Assets |  |  |  |
Marketable securities | 9,740 |  | 19,662 |
Level 3 | Fair value, measurements, recurring |  |  |  |
Assets |  |  |  |
Derivative assets – current portion | 0 |  | 0 |
Derivative assets – non-current portion | 0 |  |  |
Total | 0 |  | 0 |
Liabilities |  |  |  |
Derivative liabilities – current portion | 0 |  | 0 |
Derivative liabilities – non-current portion |  |  | 0 |
Total | 0 |  | 0 |
Level 3 | Fair value, measurements, recurring | Cash equivalents |  |  |  |
Assets |  |  |  |
Marketable securities | 0 |  | 0 |
Level 3 | Fair value, measurements, recurring | Liquidity funds |  |  |  |
Assets |  |  |  |
Marketable securities | 0 |  | 0 |
Level 3 | Fair value, measurements, recurring | Corporate debt securities |  |  |  |
Assets |  |  |  |
Marketable securities | 0 |  | 0 |
Level 3 | Fair value, measurements, recurring | U.S. agency and U.S. treasury securities |  |  |  |
Assets |  |  |  |
Marketable securities | $ 0 |  | $ 0 |

X
- Definition Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 + Details
Name: | us-gaap_AssetsFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_AssetsFairValueDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Nominal or face amount used to calculate payments on the derivative asset. + References Reference 1: 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 Reference 2: 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 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5579245-113959 + Details
Name: | us-gaap_DerivativeAssetNotionalAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- Definition Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled within one year or normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 + Details
Name: | us-gaap_DerivativeAssetsCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled after one year or the normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 + Details
Name: | us-gaap_DerivativeAssetsNoncurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled within one year or normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 + Details
Name: | us-gaap_DerivativeLiabilitiesCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled after one year or the normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 + Details
Name: | us-gaap_DerivativeLiabilitiesNoncurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Nominal or face amount used to calculate payments on the derivative liability. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5579245-113959 Reference 2: 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 3: 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_DerivativeLiabilityNotionalAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- Definition Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 + Details
Name: | us-gaap_InvestmentsFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value of financial and nonfinancial obligations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 + Details
Name: | us-gaap_LiabilitiesFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_LiabilitiesFairValueDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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

X
- Details
Name: | us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsRecurringMember
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: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=us-gaap_CashEquivalentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=fn_LiquidityFundMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=us-gaap_CorporateDebtSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=fn_USTreasurySecuritiesAndUSGovernmentAndAgencySecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |