XML 1038 R87.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Supplemental Guarantor Information (Narrative) (Details) | 12 Months Ended
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Nov. 30, 2014
Debt Instrument [Line Items] |
Line of credit facility, significant subsidiary threshold, percent | 5.00%kbh_LineofCreditFacilitySignificantSubsidiaryThresholdPercent
Line of credit facility, non guarantor subsidiary threshold, percent | 10.00%kbh_LineofCreditFacilityNonGuarantorSubsidiaryThresholdPercent
Ownership share in guarantor subsidiaries | 100.00%kbh_OwnershipShareInGuarantorSubsidiaries
Revolving Credit Facility [Member] |
Debt Instrument [Line Items] |
Line of credit facility, non guarantor subsidiary threshold, percent | 10.00%kbh_LineofCreditFacilityNonGuarantorSubsidiaryThresholdPercent / us-gaap_CreditFacilityAxis = us-gaap_RevolvingCreditFacilityMember

X
- Definition Line of Credit Facility, Non Guarantor Subsidiary Threshold, Percent + References No definition available. + Details
Name: | kbh_LineofCreditFacilityNonGuarantorSubsidiaryThresholdPercent
Namespace Prefix: | kbh_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line of Credit Facility, Significant Subsidiary Threshold, Percent + References No definition available. + Details
Name: | kbh_LineofCreditFacilitySignificantSubsidiaryThresholdPercent
Namespace Prefix: | kbh_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Ownership share in guarantor subsidiaries. + References No definition available. + Details
Name: | kbh_OwnershipShareInGuarantorSubsidiaries
Namespace Prefix: | kbh_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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

X
- Details
Name: | us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |