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Losses Due to Repurchases Related to Repurchase Agreements (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Jul. 31, 2016 | Jul. 31, 2015 | Jul. 31, 2014
Loss Contingencies [Line Items] |  |  |
Cost of units repurchased | $ 4,650 | $ 7,171 | $ 1,386
Realization of units resold | 3,832 | 5,906 | 1,098
Losses due to repurchase | $ 818 | $ 1,265 | $ 288

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- Definition Cost of units repurchased + References No definition available. + Details
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- Definition Losses Due To Repurchase. + References No definition available. + Details
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- Definition Realization of units resold + References No definition available. + Details
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Namespace Prefix: | tho_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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