XML 64 R60.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Legal Matters (Details Textual) (USD $) In Millions, unless otherwise specified | 3 Months Ended | 1 Months Ended |  | 3 Months Ended
--- | --- | --- | --- | ---
Feb. 29, 2012 | Feb. 29, 2012 Nevada Development Contract Litigation [Member] acre | Dec. 27, 2011 KB Home Coastal Inc. et al adv. Estancia Coastal [Member] | Feb. 29, 2012 KB Home Coastal Inc. et al adv. Estancia Coastal [Member] | Feb. 29, 2012 Maximum [Member] KB Home Coastal Inc. et al adv. Estancia Coastal [Member] | Feb. 29, 2012 Minimum [Member] Nevada Development Contract Litigation [Member] | Feb. 29, 2012 Minimum [Member] KB Home Coastal Inc. et al adv. Estancia Coastal [Member]
Legal Matters (Textual) [Abstract] |  |  |  |  |  |  |
Acres of purchased land by LVDA |  | 83 |  |  |  |  |
Expected compensatory damages |  |  | $ 9.8 |  | $ 13.0 | $ 0 | $ 2.9
Accrual for compensatory damage |  |  |  | 2.9 |  |  |
Minimum compensatory damages sought by plaintiffs | $ 55 |  |  |  |  |  |

X
- Definition Acres of purchased land. + References No definition available. + Details
Name: | kbh_AcresOfPurchasedLand
Namespace Prefix: | kbh_
Data Type: | num:areaItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Minimum compensatory damages sought by plaintiffs. + References No definition available. + Details
Name: | kbh_MinimumCompensatoryDamagesSoughtByPlaintiffs
Namespace Prefix: | kbh_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The portion of the carrying amount as of the balance sheet date of the combined total of loss contingency liabilities which is expected to be resolved within one year or the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 5 -Paragraph 9, 10, 11, 12 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14326-108349 + Details
Name: | us-gaap_LossContingencyAccrualCarryingValueCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- 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=6952336&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=6952336&loc=d3e14435-108349 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 5 -Paragraph 9 -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 450 -SubTopic 20 -Section 50 -Paragraph 9 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14557-108349 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 5 -Paragraph 11 -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 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 5 -Paragraph 10 -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 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 5 -Paragraph 12 -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_LossContingencyDamagesSoughtValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration