XML 95 R51.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Inventory Impairments and Land Option Contract Abandonments (Details) (USD $) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Nov. 30, 2011 Impairment | Aug. 31, 2011 | May 31, 2011 | Feb. 28, 2011 | Nov. 30, 2010 Impairment | Aug. 31, 2010 | Feb. 28, 2010 | Nov. 30, 2011 Lots Property Impairment | Nov. 30, 2010 Lots Property Impairment | Nov. 30, 2009 Lots Property
Inventory Impairments and Land Option Contract Abandonments (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |
Number of Land Parcels or Communities Evaluated for Recoverability |  |  |  |  |  |  |  | 138 | 118 | 281
Pretax, noncash inventory impairment charges | $ 1,300,000 | $ 300,000 | $ 20,100,000 | $ 1,000,000 | $ 1,600,000 | $ 1,400,000 | $ 6,800,000 | $ 22,730,000 | $ 9,815,000 | $ 120,848,000
Number of land parcels or communities associated with non cash inventory impairment charges |  |  |  |  |  |  |  | 12 | 8 | 61
Post impairment fair value of land parcels or communities |  |  |  |  |  |  |  | 34,000,000 | 11,600,000 | 129,000,000
Charges related to adjustment to the fair value of real estate |  |  |  |  |  |  |  | 18,100,000 |  |
Land Option Contract Abandonment Charges | 1,000,000 | 800,000 | 500,000 | 800,000 | 1,600,000 | 2,000,000 | 6,500,000 | 3,061,000 | 10,110,000 | 47,301,000
Number of Lots on which abandonment charges are recognized |  |  |  |  |  |  |  | 830 | 1,007 | 1,362
Aggregate carrying value of inventory impacted by pretax, noncash inventory impairment charges | $ 338,500,000 |  |  |  | $ 418,500,000 |  |  | $ 338,500,000 | $ 418,500,000 |
Number of communities and various other land parcels impacted by pretax, noncash inventory impairment charges | 53 |  |  |  | 72 |  |  | 53 | 72 |
Remaining useful life in addition to specified useful lives |  |  |  |  |  |  |  | 1 year |  |
Specified period of remaining useful lives |  |  |  |  |  |  |  | 10 years |  |
Expected realization period of inventory minimum |  |  |  |  |  |  |  | 3 years |  |
Expected realization period of inventory maximum |  |  |  |  |  |  |  | 5 years |  |
Maximum [Member] |  |  |  |  |  |  |  |  |  |
Discount rate used in estimating discounted cash flow |  |  |  |  |  |  |  |  |  |
Discount rate used in estimating discounted cash flow |  |  |  |  |  |  |  | 20.00% | 20.00% | 21.00%
Minimum [Member] |  |  |  |  |  |  |  |  |  |
Discount rate used in estimating discounted cash flow |  |  |  |  |  |  |  |  |  |
Discount rate used in estimating discounted cash flow |  |  |  |  |  |  |  | 17.00% | 17.00% | 12.00%

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 Charges related to adjustment to the fair value of real estate. + References No definition available. + Details
Name: | kbh_ChargesRelatedToAdjustmentToFairValueOfRealEstate
Namespace Prefix: | kbh_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Discount rate used in estimating discounted cash flow. + References No definition available. + Details
Name: | kbh_DiscountRateUsedInEstimatingDiscountedCashFlow
Namespace Prefix: | kbh_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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

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

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

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

X
- Definition Land option contract abandonment charges. + References No definition available. + Details
Name: | kbh_LandOptionContractAbandonmentCharges
Namespace Prefix: | kbh_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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 Number of lots on which abandonment charges are recognized. + References No definition available. + Details
Name: | kbh_NumberOfLotsOnWhichAbandonmentChargesAreRecognized
Namespace Prefix: | kbh_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Post impairment fair value of land parcels or communities. + References No definition available. + Details
Name: | kbh_PostImpairmentFairValueOfLandParcelsOrCommunities
Namespace Prefix: | kbh_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Remaining useful life maximum. + References No definition available. + Details
Name: | kbh_RemainingUsefulLifeMaximum
Namespace Prefix: | kbh_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Remaining useful life minimum. + References No definition available. + Details
Name: | kbh_RemainingUsefulLifeMinimum
Namespace Prefix: | kbh_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Charge to cost of goods sold that represents the reduction of the carrying amount of inventory, generally attributable to obsolescence or market conditions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.2) -URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 330 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6386783&loc=d3e4542-108314 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 28 -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. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 43 -Chapter 4 -Section 7 -Paragraph 14 -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. Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Concepts (CON) -Number 6 -Paragraph 86 -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_InventoryWriteDown
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration