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v3.22.2

Variable Interest Entities (Details) $ in Thousands | May 31, 2022 USD ($) joint_venture | Nov. 30, 2021 USD ($) joint_venture
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Variable Interest Entity [Line Items] |  |
Number of investments in unconsolidated joint ventures | joint_venture | 6 | 6
Cash Deposits | $ 73,841 | $ 74,509
Aggregate Purchase Price | 1,863,846 | 1,859,851
Pre-acquisition costs related to land option contracts and other similar contracts | 44,000 | 38,100
Increase in inventories and accrued expenses and other liabilities | $ 13,000 | $ 26,500
Variable Interest Entity, Not Primary Beneficiary [Member] |  |
Variable Interest Entity [Line Items] |  |
Number of investments in unconsolidated joint ventures | joint_venture | 1 | 1
Cash Deposits | $ 31,674 | $ 38,333
Aggregate Purchase Price | 982,198 | 1,093,669
Non-VIE Land Option Contracts And Other Similar Contracts [Member] |  |
Variable Interest Entity [Line Items] |  |
Cash Deposits | 42,167 | 36,176
Aggregate Purchase Price | $ 881,648 | $ 766,182

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- Definition Acquisition costs related to land option contracts and other similar contracts. + References No definition available. + Details
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Namespace Prefix: | kbh_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Aggregate purchase price associated with land option and other similar contracts. + References No definition available. + Details
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Namespace Prefix: | kbh_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Cash deposits on land option and other similar contracts. + References No definition available. + Details
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Namespace Prefix: | kbh_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Increase in inventories and accrued expenses and other liabilities due to land option and other similar contracts. + References No definition available. + Details
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Namespace Prefix: | kbh_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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- Definition Number of investments in unconsolidated joint ventures. + References No definition available. + Details
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Namespace Prefix: | kbh_
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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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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |