XML 31 R52.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Inventory Impairments and Land Option Contract Abandonments (Narratives) (Details) (USD $) | 3 Months Ended |
--- | --- | ---
Feb. 28, 2013 property | Feb. 29, 2012 property | Nov. 30, 2012 property
Inventory Impairments and Land Option Contract Abandonments [Abstract] |  |  |
Number of land parcels or communities evaluated for recoverability | 20 | 37 |
Pretax, noncash inventory impairment charges | $ 0 | $ 6,572,000 |
Number of land parcels or communities associated with non cash inventory impairment charges |  | 2 |
Post impairment fair value |  | 12,200,000 |
Aggregate carrying value of inventory impacted by pretax, noncash inventory impairment charges | 312,700,000 |  | 307,200,000
Number of communities and various other land parcels impacted by pretax, noncash inventory impairment charges | 44 |  | 46
Land option contract abandonment charges | $ 0 | $ 0 |
Remaining useful life in addition to specified useful lives (in years) | 1 year |  |
Specified period of remaining useful lives (in years) | 10 years |  |
Expected Realization Period of Inventory (in years) | 5 years |  |

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

X
- Details
Name: | kbh_InventoryImpairmentsAndLandOptionContractAbandonmentsAbstract
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 Post impairment fair value. + References No definition available. + Details
Name: | kbh_PostImpairmentFairValue
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 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. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 43 -Section 7 -Paragraph 14 -Chapter 4 -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 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 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 5: 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 + Details
Name: | us-gaap_InventoryWriteDown
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration