XML 56 R54.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Product Warranties - Additional Information (Detail) | 3 Months Ended
--- | ---
Oct. 31, 2013
Product Warranty [Line Items] |
Warranty period for retail customers, years | 1 year
Period of longer warranty for structural components | Up to 5 years

X
- Definition Period of longer warranty for structural components + References No definition available. + Details
Name: | tho_PeriodOfLongerWarrantyForStructuralComponents
Namespace Prefix: | tho_
Data Type: | us-types:durationStringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | tho_ProductWarrantyLineItems
Namespace Prefix: | tho_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Warranty period for retail customer. + References No definition available. + Details
Name: | tho_WarrantyPeriodForRetailCustomer
Namespace Prefix: | tho_
Data Type: | us-types:durationStringItemType
Balance Type: | na
Period Type: | duration