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Legal Matters (Details) (Nevada Development Contract Litigation, USD $) In Millions, unless otherwise specified | 3 Months Ended
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Feb. 28, 2015 acre
Nevada Development Contract Litigation |
Loss Contingencies [Line Items] |
Acres of purchased land by LVDA | 83 us-gaap_AreaOfRealEstateProperty / us-gaap_LossContingenciesByNatureOfContingencyAxis = kbh_NevadaDevelopmentContractLitigationMember
Expected compensatory damages | $ 55 us-gaap_LossContingencyDamagesSoughtValue / us-gaap_LossContingenciesByNatureOfContingencyAxis = kbh_NevadaDevelopmentContractLitigationMember
Expected interest charges | $ 41 kbh_PrejudgmentInterestForLitigation / us-gaap_LossContingenciesByNatureOfContingencyAxis = kbh_NevadaDevelopmentContractLitigationMember

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- Definition Area of a real estate property. + References No definition available. + Details
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- Details
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- Definition The value (monetary amount) of the award the plaintiff seeks in the legal matter. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 9 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14557-108349 + Details
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