XML 16 R55.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Investments in Unconsolidated Joint Ventures (Narratives) (Details) (USD $) | 3 Months Ended | 9 Months Ended | 3 Months Ended
--- | --- | --- | ---
Aug. 31, 2012 | Aug. 31, 2011 | Aug. 31, 2012 | Aug. 31, 2011 | May 31, 2011 South Edge | Feb. 28, 2011 South Edge
Investment Holdings [Line Items] |  |  |  |  |  |
Loss on loan guaranty | $ 0 | $ 0 | $ 0 | $ 37,330,000 | $ 14,600,000 | $ 22,800,000
Equity in loss of unconsolidated joint ventures including pretax, noncash impairment charges |  |  | $ 0 | $ 53,700,000 |  |

X
- Definition Loss on loan guaranty. + References No definition available. + Details
Name: | kbh_LossOnLoanGuaranty
Namespace Prefix: | kbh_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Noncash impairment charges included in equity in loss of unconsolidated joint ventures. + References No definition available. + Details
Name: | kbh_NoncashImpairmentChargesIncludedInEquityInLossOfUnconsolidatedJointVentures
Namespace Prefix: | kbh_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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