XML 14 R39.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Summary of Significant Accounting Policies - Additional Information (Detail) (USD $) In Thousands, except Share data, unless otherwise specified | 12 Months Ended |  | 0 Months Ended | 12 Months Ended | 0 Months Ended | 12 Months Ended | 0 Months Ended | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jul. 31, 2014 Segment | Jul. 31, 2013 | Jul. 31, 2012 | Jul. 31, 2011 | May 01, 2014 Trademarks | Oct. 31, 2013 Trademarks | Aug. 30, 2013 Trademarks | Jul. 31, 2014 Trademarks | May 01, 2014 Dealer Networks | Oct. 31, 2013 Dealer Networks | Aug. 30, 2013 Dealer Networks | Jul. 31, 2014 Dealer Networks | Aug. 30, 2013 Design Technology Assets | May 01, 2014 Non-Compete Agreements | Aug. 30, 2013 Non-Compete Agreements | Jul. 31, 2014 Non-Compete Agreements | Jul. 31, 2014 Any occurrence after March 31, 2014 | Jul. 31, 2014 Continuing Operations Selling, General And Administrative Expenses | Jul. 31, 2013 Continuing Operations Selling, General And Administrative Expenses | Jul. 31, 2012 Continuing Operations Selling, General And Administrative Expenses | Jul. 31, 2014 Maximum | Jul. 31, 2014 Maximum Trademarks | Jul. 31, 2014 Maximum Dealer Networks | Jul. 31, 2014 Maximum Design Technology Assets | Jul. 31, 2014 Maximum Non-Compete Agreements | Jul. 31, 2014 Maximum Building and Building Improvements | Jul. 31, 2014 Maximum Machinery and Equipment | Jul. 31, 2014 Minimum | Jul. 31, 2014 Minimum Trademarks | Jul. 31, 2014 Minimum Design Technology Assets | Jul. 31, 2014 Minimum Non-Compete Agreements | Jul. 31, 2014 Minimum Building and Building Improvements | Jul. 31, 2014 Minimum Machinery and Equipment | Jul. 31, 2014 Held By One Financial Institution | Jul. 31, 2013 Held By One Financial Institution | Jul. 31, 2014 Held At Various Other Financial Institutions | Jul. 31, 2013 Held At Various Other Financial Institutions
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of reportable segments | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash equivalents maturity period |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3 months |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash and cash equivalents | $ 289,336 | $ 236,601 | $ 218,642 | $ 215,435 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 279,511 | $ 217,965 | $ 9,825 | $ 18,636
Property, plant and equipment, estimated useful life |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 39 years | 10 years |  |  |  |  | 10 years | 3 years |  |  |  |
Depreciation expense | 12,850 | 13,950 | 13,843 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,542 | 2,783 | 2,713 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Intangible assets amortization period |  |  |  |  | 20 years | 20 years | 20 years | 21 years | 12 years | 12 years | 8 years | 9 years | 5 years | 5 years | 2 years | 2 years |  |  |  |  |  | 25 years | 12 years | 15 years | 15 years |  |  |  | 20 years | 2 years | 2 years |  |  |  |  |  |
Self-insured retention for products liability and personal injury matters |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,000 |  |  |  | 7,500 |  |  |  |  |  |  | 1,000 |  |  |  |  |  |  |  |  |
Excess liability insurance | 50,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Advertising costs | $ 9,492 | $ 8,794 | $ 6,989 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum percentage of tax benefits realized upon ultimate settlement | 50.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Antidilutive stock options, unvested restricted stock and restricted stock units outstanding | 0 | 0 | 412,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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

X
- Definition Excess Liability Insurance + References No definition available. + Details
Name: | tho_ExcessLiabilityInsurance
Namespace Prefix: | tho_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Insurance Reserves For Products Liability And Personal Injury Matters + References No definition available. + Details
Name: | tho_InsuranceReservesForProductsLiabilityAndPersonalInjuryMatters
Namespace Prefix: | tho_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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
- 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/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 720 -SubTopic 35 -Section 50 -Paragraph 1 -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://www.xbrl.org/2003/role/presentationRef -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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Antidilution -URI http://asc.fasb.org/extlink&oid=6505113 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Diluted Earnings Per Share -URI http://asc.fasb.org/extlink&oid=6510752 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Contingent Stock Agreement -URI http://asc.fasb.org/extlink&oid=6508534 + 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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash -URI http://asc.fasb.org/extlink&oid=6506951 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash Equivalents -URI http://asc.fasb.org/extlink&oid=6507016 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 1 -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -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 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=28358313&loc=d3e6676-107765 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3044-108585 + 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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&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 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 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