XML 1084 R59.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Inventory Impairments and Land Option Contract Abandonments (Details) | 12 Months Ended
--- | ---
Nov. 30, 2018 USD ($) delivery property | Nov. 30, 2017 USD ($) delivery community property | Nov. 30, 2016 USD ($) delivery community property
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |  |
Impairment of Real Estate |  | $ 26,104,000 | $ 20,605,000 | $ 49,580,000
Acquisition Costs Related To Land Option Contracts And Other Similar Contracts |  | 46,900,000 | 26,800,000 |
Carrying Value of Communities of Land Parcels Evaluated for Impairment |  | $ 356,100,000 | $ 456,900,000 | $ 423,100,000
Number of land parcels or communities associated with non cash inventory impairment charges | property |  |  | 13 | 10
Number of land parcels or communities evaluated for recoverability | property |  | 57 | 51 | 68
Aggregate carrying value of inventory impacted by pretax, noncash inventory impairment charges |  |  | $ 156,100,000 | $ 177,800,000
Number of communities and various other land parcels impacted by pretax, noncash inventory impairment charges | community |  |  | 22 | 24
Expected realization period of inventory maximum |  | 5 years |  |
Estimate of Fair Value Measurement |  |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |  |
Assets, Fair Value Disclosure |  |  | $ 44,100,000 | $ 38,400,000
Minimum |  |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |  |
Fair Value Estimate Input at Average Selling Price | [1] | $ 291,300 | $ 207,100 | $ 216,200
Fair Value Estimate Input at Sales for Period | delivery | [1] | 2 | 1 | 1
Fair Value Inputs, Discount Rate | [1] | 17.00% | 17.00% | 17.00%
Expected realization period of inventory maximum |  | 1 year |  |
Maximum |  |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |  |
Fair Value Estimate Input at Average Selling Price | [1] | $ 774,100 | $ 1,576,500 | $ 977,400
Fair Value Estimate Input at Sales for Period | delivery | [1] | 6 | 4 | 4
Fair Value Inputs, Discount Rate | [1] | 19.00% | 18.00% | 20.00%
Expected realization period of inventory maximum |  | 10 years |  |
Land Option Contract Abandonment [Member] |  |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |  |
Loss on Contract Termination |  | $ 2,890,000 | $ 4,627,000 | $ 3,232,000
West Coast [Member] |  |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |  |
Impairment of Real Estate |  | 19,169,000 | 13,482,000 | 8,209,000
West Coast [Member] | Land Option Contract Abandonment [Member] |  |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |  |
Loss on Contract Termination |  | 1,212,000 | 3,225,000 | 769,000
Southeast [Member] |  |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |  |
Impairment of Real Estate |  | 5,472,000 | 3,678,000 | 27,547,000
Southeast [Member] | Land Option Contract Abandonment [Member] |  |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |  |
Loss on Contract Termination |  | $ 151,000 | $ 556,000 | 1,750,000
Land Held for Future Development [Member] |  |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |  |
Impairment of Real Estate |  |  |  | 12,900,000
Metro Washington, D.C. [Member] | Southeast [Member] | Land Option Contract Abandonment [Member] |  |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |  |
Loss on Contract Termination |  |  |  | 1,400,000
Metro Washington, D.C. [Member] | Land [Member] |  |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |  |
Impairment of Real Estate |  |  |  | $ 36,700,000
[1] | The ranges of inputs used in each period primarily reflect differences between the housing markets where each impacted community is located, rather than fluctuations in prevailing market conditions.

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

X
- Definition Aggregate carrying value of inventory impacted by pretax, noncash inventory impairment charges. + References No definition available. + Details
Name: | kbh_AggregateCarryingValueOfInventoryImpactedByPretaxNoncashInventoryImpairmentCharges
Namespace Prefix: | kbh_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Carrying Value of Communities or Land Parcels Evaluated for Impairment + References No definition available. + Details
Name: | kbh_CarryingValueofCommunitiesorLandParcelsEvaluatedforImpairment
Namespace Prefix: | kbh_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Expected realization period of inventory. + References No definition available. + Details
Name: | kbh_ExpectedRealizationPeriodOfInventory
Namespace Prefix: | kbh_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Fair value estimate input, average selling price + References No definition available. + Details
Name: | kbh_FairValueEstimateInputAverageSellingPrice
Namespace Prefix: | kbh_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Fair value estimate input, delivery for period + References No definition available. + Details
Name: | kbh_FairValueEstimateInputDeliveryForPeriod
Namespace Prefix: | kbh_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of communities and various other land parcels impacted by pretax, noncash inventory impairment charges. + References No definition available. + Details
Name: | kbh_NumberOfCommunitiesAndVariousOtherLandParcelsImpactedByPretaxNoncashInventoryImpairmentCharges
Namespace Prefix: | kbh_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of land parcels or communities associated with non cash inventory impairment charges. + References No definition available. + Details
Name: | kbh_NumberOfLandParcelsOrCommunitiesAssociatedWithNonCashInventoryImpairmentCharges
Namespace Prefix: | kbh_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of land parcels or communities evaluated for recoverability. + References No definition available. + Details
Name: | kbh_NumberOfLandParcelsOrCommunitiesEvaluatedForRecoverability
Namespace Prefix: | kbh_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
Name: | us-gaap_AssetsFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

X
- Definition Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueInputsDiscountRate
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The charge against earnings in the period to reduce the carrying amount of real property to fair value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=84176398&loc=d3e2921-110230 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 + Details
Name: | us-gaap_ImpairmentOfRealEstate
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The loss recognized on termination of a contract. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 912 -SubTopic 275 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=84167019&loc=d3e54681-109401 + Details
Name: | us-gaap_LossOnContractTermination
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_FairValueByMeasurementBasisAxis=us-gaap_EstimateOfFairValueFairValueDisclosureMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LossContingenciesByNatureOfContingencyAxis=kbh_LandOptionContractAbandonmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=kbh_WestCoastMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=kbh_SoutheastMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongLivedAssetsHeldForSaleByAssetTypeAxis=kbh_LandHeldforFutureDevelopmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis=kbh_MetroWashingtonD.C.Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongLivedAssetsHeldForSaleByAssetTypeAxis=us-gaap_LandMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |