XML 148 R66.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Contingent Liabilities and Commitments - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified | 1 Months Ended |  |
--- | --- | --- | ---
Jun. 01, 2012 | Jul. 31, 2013 | Jul. 31, 2012
Loss Contingencies [Line Items] |  |  |
Repurchase and guarantee reserve balances |  | $ 3,778 | $ 3,150
Chassis delivered to customers in days |  | 90 days |
Additional chassis provided by customers |  | 9,469 |
Payments for the benefit of settlement class | 4,700 |  |
Discontinued Operations |  |  |
Loss Contingencies [Line Items] |  |  |
Chassis consigned inventory |  | 12,650 |
Additional chassis provided by customers |  | $ 9,322 |

X
- Definition Chassis consigned inventory. + References No definition available. + Details
Name: | tho_ChassisConsignedInventory
Namespace Prefix: | tho_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Chassis delivered to customers in days. + References No definition available. + Details
Name: | tho_ChassisDeliveredToCustomersInDays
Namespace Prefix: | tho_
Data Type: | us-types:durationStringItemType
Balance Type: | na
Period Type: | instant

X
- Definition Repurchase and guarantee reserve balances. + References No definition available. + Details
Name: | tho_RepurchaseAndGuaranteeReserveBalances
Namespace Prefix: | tho_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Total additional chassis provided by customers. + References No definition available. + Details
Name: | tho_TotalAdditionalChassisProvidedByCustomers
Namespace Prefix: | tho_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_LossContingenciesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of cash paid for the settlement of litigation or for other legal issues during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3536-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 27 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
Name: | us-gaap_PaymentsForLegalSettlements
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration