XML 79 R43.htm IDEA: XBRL DOCUMENT
v3.19.3

Summary of Significant Accounting Policies - Additional Information (Detail) $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Jul. 31, 2019 USD ($) Segment shares | Jul. 31, 2018 USD ($) shares | Jul. 31, 2017 USD ($) shares | Aug. 01, 2019 USD ($) | Aug. 01, 2018 USD ($)
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Number of reportable segments | Segment | 3 |  |  |  |
Cash and cash equivalents | $ 425,615 | $ 275,249 | $ 223,258 |  |
Depreciation | 73,139 | 38,105 | 34,333 |  |
Advertising costs | $ 38,643 | $ 26,874 | $ 24,997 |  |
Maximum percentage of tax benefits realized upon ultimate settlement | 50.00% |  |  |  |
Antidilutive stock options, restricted stock units and unvested restricted stock outstanding | shares |  | 0 | 0 |  |
Factored accounts receivable | $ 173,405 | $ 0 |  |  |
Research and development | $ 9,381 | 2,009 | $ 2,577 |  |
Restricted Stock Units (RSUs) [Member] |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Stock-based Compensation, requisite service period | 3 years |  |  |  |
Antidilutive stock options, restricted stock units and unvested restricted stock outstanding | shares | 233,395 |  |  |  |
Restricted Stock [Member] |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Antidilutive stock options, restricted stock units and unvested restricted stock outstanding | shares | 0 |  |  |  |
Research and Development Expense [Member] |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Increase In Research And Development Expense | $ 7,372 |  |  |  |
Research and Development Expense [Member] | European [Member] | Operating Segments |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Increase In Research And Development Expense | 7,244 |  |  |  |
Continuing Operations | Selling, General and Administrative Expenses |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Depreciation | 8,350 | $ 5,035 | $ 5,710 |  |
Accounting Standards Update 2014-09 | Retained Earnings |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Cumulative effect of the change in accounting principle, net of tax |  |  |  |  | $ (5,450)
Accounting Standards Update 2014-09 | Accrued Promotions and Rebates |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Cumulative effect of the change in accounting principle, net of tax |  |  |  |  | 7,127
Cumulative effect of change on equity or net assets on pre-tax basis | $ 181 |  |  |  |
Accounting Standards Update 2014-09 | Deferred Income Tax Assets |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Cumulative effect of the change in accounting principle, net of tax |  |  |  |  | $ 1,677
Trademarks |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Intangible assets amortization period | 18 years |  |  |  |
Rental Vehicles |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Property, plant and equipment, estimated useful life | 6 years |  |  |  |
Minimum | Accounting Standards Update 2016-02 | Subsequent Event |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Right of use assets |  |  |  | $ 30,000 |
Operating Lease Liability |  |  |  | 30,000 |
Minimum | Design Technology Assets |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Intangible assets amortization period | 2 years |  |  |  |
Minimum | Non-Compete Agreements |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Intangible assets amortization period | 2 years |  |  |  |
Minimum | Trademarks |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Intangible assets amortization period | 15 years |  |  |  |
Minimum | Dealer Network |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Intangible assets amortization period | 12 years |  |  |  |
Minimum | Other Intangible Assets |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Intangible assets amortization period | 2 years |  |  |  |
Minimum | Building and Building Improvements |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Property, plant and equipment, estimated useful life | 10 years |  |  |  |
Minimum | Machinery and Equipment |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Property, plant and equipment, estimated useful life | 3 years |  |  |  |
Maximum |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Cash equivalents maturity period | 3 months | 3 months |  |  |
Maximum | Accounting Standards Update 2016-02 | Subsequent Event |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Right of use assets |  |  |  | 40,000 |
Operating Lease Liability |  |  |  | $ 40,000 |
Maximum | Design Technology Assets |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Intangible assets amortization period | 15 years |  |  |  |
Maximum | Non-Compete Agreements |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Intangible assets amortization period | 15 years |  |  |  |
Maximum | Trademarks |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Intangible assets amortization period | 25 years |  |  |  |
Maximum | Dealer Network |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Intangible assets amortization period | 20 years |  |  |  |
Maximum | Backlog |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Intangible assets amortization period | 5 months |  |  |  |
Maximum | Other Intangible Assets |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Intangible assets amortization period | 15 years |  |  |  |
Maximum | Building and Building Improvements |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Property, plant and equipment, estimated useful life | 39 years |  |  |  |
Maximum | Machinery and Equipment |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Property, plant and equipment, estimated useful life | 10 years |  |  |  |
One US Financial Institution |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Cash and cash equivalents | $ 61,057 |  |  |  |
Euro Financial Institutions One |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Cash and cash equivalents | 115,168 |  |  |  |
Euro Financial Institutions Two |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Cash and cash equivalents | 39,254 |  |  |  |
Held By One U.S. Financial Institution |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Cash and cash equivalents | $ 148,488 | $ 254,701 |  |  |

X
- Definition Cash And Cash Equivalents Maturity Period + References No definition available. + Details
Name: | tho_CashAndCashEquivalentsMaturityPeriod
Namespace Prefix: | tho_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Factored accounts receivable. + References No definition available. + Details
Name: | tho_FactoredAccountsReceivable
Namespace Prefix: | tho_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Maximum percentage of tax benefits realized upon ultimate settlement. + References No definition available. + Details
Name: | tho_MaximumPercentageOfTaxBenefitsRealizedUponUltimateSettlement
Namespace Prefix: | tho_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition New accounting pronouncement or change In accounting principle cumulative effect of change on equity or net assets on pre tax basis. + References No definition available. + Details
Name: | tho_NewAccountingPronouncementOrChangeInAccountingPrincipleCumulativeEffectOfChangeOnEquityOrNetAssetsOnPreTaxBasis
Namespace Prefix: | tho_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Summary Of Significant Accounting Policies [Line Items] + References No definition available. + Details
Name: | tho_SummaryOfSignificantAccountingPoliciesLineItems
Namespace Prefix: | tho_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 720 -SubTopic 35 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6420018&loc=d3e36677-107848 + Details
Name: | us-gaap_AdvertisingExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
Name: | us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3044-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118951113&loc=d3e6676-107765 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.1) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_CashAndCashEquivalentsAtCarryingValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 + Details
Name: | us-gaap_Depreciation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | us-gaap_FiniteLivedIntangibleAssetUsefulLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of cumulative effect of the change in accounting principle or new accounting pronouncement on retained earnings or other components of equity or net assets in the statement of financial position as of the beginning of the earliest period presented. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(3) -URI http://asc.fasb.org/extlink&oid=109234566&loc=d3e22499-107794 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=109234566&loc=d3e22583-107794 + Details
Name: | us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleCumulativeEffectOfChangeOnEquityOrNetAssets1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. + References No definition available. + Details
Name: | us-gaap_NumberOfReportableSegments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Present value of lessee's discounted obligation for lease payments from operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977 + Details
Name: | us-gaap_OperatingLeaseLiability
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of lessee's right to use underlying asset under operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977 + Details
Name: | us-gaap_OperatingLeaseRightOfUseAsset
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of other research and development expense. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 730 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6420194&loc=d3e21568-108373 + Details
Name: | us-gaap_OtherResearchAndDevelopmentExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
Name: | us-gaap_PropertyPlantAndEquipmentUsefulLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 985 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6501960&loc=d3e128462-111756 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 730 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6420194&loc=d3e21568-108373 + Details
Name: | us-gaap_ResearchAndDevelopmentExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=us-gaap_RestrictedStockUnitsRSUMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=us-gaap_RestrictedStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=us-gaap_ResearchAndDevelopmentExpenseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=tho_EuropeanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ConsolidationItemsAxis=us-gaap_OperatingSegmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementOperatingActivitiesSegmentAxis=us-gaap_SegmentContinuingOperationsMember
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_AdjustmentsForNewAccountingPronouncementsAxis=us-gaap_AccountingStandardsUpdate201409Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=us-gaap_RetainedEarningsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=tho_PromotionsAndRebatesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=tho_DeferredIncomeTaxAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_TrademarksMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=tho_RentalVehiclesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AdjustmentsForNewAccountingPronouncementsAxis=us-gaap_AccountingStandardsUpdate201602Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=tho_DesignTechnologyAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_NoncompeteAgreementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=tho_DealerNetworkMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_OtherIntangibleAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_BuildingAndBuildingImprovementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_MachineryAndEquipmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=tho_BacklogMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis=tho_OneUsFinancialInstitutionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis=tho_EuroFinancialInstitutionsOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis=tho_EuroFinancialInstitutionsTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis=tho_HeldByOneFinancialInstitutionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |