XML 94 R59.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

Segment Information (Details) $ in Thousands | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Nov. 30, 2019 USD ($) | Aug. 31, 2019 USD ($) | May 31, 2019 USD ($) | Feb. 28, 2019 USD ($) | Nov. 30, 2018 USD ($) | Aug. 31, 2018 USD ($) | May 31, 2018 USD ($) | Feb. 28, 2018 USD ($) | Nov. 30, 2019 USD ($) segment | Nov. 30, 2018 USD ($) | Nov. 30, 2017 USD ($) | Dec. 01, 2018 USD ($)
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Inventory, Homes under Construction |  | $ 1,340,412 |  |  |  | $ 1,125,152 |  |  |  | $ 1,340,412 | $ 1,125,152 |  |
Inventory, Real Estate, Land and Land Development Costs |  | 2,213,713 |  |  |  | 2,219,936 |  |  |  | 2,213,713 | 2,219,936 |  |
Inventory, Land Held for Development and Sale | [1] | 150,477 |  |  |  | 237,751 |  |  |  | 150,477 | 237,751 |  |
Inventories |  | 3,704,602 |  |  |  | 3,582,839 |  |  |  | 3,704,602 | 3,582,839 |  |
Revenues: |  |  |  |  |  |  |  |  |  |  |  |  |
Total Revenues |  |  |  |  |  |  |  |  |  | 4,552,747 | 4,547,002 | $ 4,368,529 |
Pretax income (loss): |  |  |  |  |  |  |  |  |  |  |  |  |
Pretax income (loss) |  | 164,967 | $ 91,936 | $ 56,761 | $ 34,511 | 128,936 | $ 114,676 | $ 78,308 | $ 46,045 | 348,175 | 367,965 | 289,995 |
Equity in income (loss) of unconsolidated joint ventures: |  |  |  |  |  |  |  |  |  |  |  |  |
Equity in income (loss) of unconsolidated joint ventures |  |  |  |  |  |  |  |  |  | 10,681 | 9,367 | 2,825 |
Inventory Impairments and Land Option Contract Abandonments |  | 4,148 | $ 5,251 | $ 4,337 | $ 3,555 | 9,069 | $ 8,414 | $ 6,526 | $ 4,985 | 17,291 | 28,994 | 25,232 |
Assets |  |  |  |  |  |  |  |  |  |  |  |  |
Total assets |  | $ 5,015,482 |  |  |  | 5,073,571 |  |  |  | $ 5,015,482 | 5,073,571 |  |
Homebuilding: |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Reportable Segments | segment |  |  |  |  |  |  |  |  |  | 4 |  |  |
Financial services [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Reportable Segments | segment |  |  |  |  |  |  |  |  |  | 1 |  |  |
KBHS, LLC [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership interest in joint venture |  | 50.00% |  |  |  |  |  |  |  | 50.00% |  |  |
Stearns Lending, LLC [Member] | KBHS, LLC [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership interest in joint venture |  | 50.00% |  |  |  |  |  |  |  | 50.00% |  |  |
Land Option Contract Abandonment [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Equity in income (loss) of unconsolidated joint ventures: |  |  |  |  |  |  |  |  |  |  |  |  |
Loss on Contract Termination |  |  |  |  |  |  |  |  |  | $ 3,300 | 2,900 | 4,600 |
Homebuilding: |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Inventories |  | $ 3,704,602 |  |  |  | 3,582,839 |  |  |  | 3,704,602 | 3,582,839 |  | $ 3,547,551
Revenues: |  |  |  |  |  |  |  |  |  |  |  |  |
Total Revenues |  |  |  |  |  |  |  |  |  | 4,537,658 | 4,533,795 | 4,356,265 |
Pretax income (loss): |  |  |  |  |  |  |  |  |  |  |  |  |
Pretax income (loss) |  |  |  |  |  |  |  |  |  | 325,189 | 351,301 | 276,927 |
Equity in income (loss) of unconsolidated joint ventures: |  |  |  |  |  |  |  |  |  |  |  |  |
Equity in income (loss) of unconsolidated joint ventures |  |  |  |  |  |  |  |  |  | (1,549) | 2,066 | (1,409) |
Inventory Impairments and Land Option Contract Abandonments |  |  |  |  |  |  |  |  |  | 17,291 | 28,994 | 25,232 |
Assets |  |  |  |  |  |  |  |  |  |  |  |  |
Total assets |  | 4,977,086 |  |  |  | 5,061,191 |  |  |  | 4,977,086 | 5,061,191 |  |
Investments in unconsolidated joint ventures: |  |  |  |  |  |  |  |  |  |  |  |  |
Investments in unconsolidated joint ventures |  | 57,038 |  |  |  | 61,960 |  |  |  | 57,038 | 61,960 |  |
Homebuilding: | Homebuilding: |  |  |  |  |  |  |  |  |  |  |  |  |
Pretax income (loss): |  |  |  |  |  |  |  |  |  |  |  |  |
Pretax income (loss) |  |  |  |  |  |  |  |  |  | 325,189 | 351,301 | 276,927 |
Equity in income (loss) of unconsolidated joint ventures: |  |  |  |  |  |  |  |  |  |  |  |  |
Equity in income (loss) of unconsolidated joint ventures |  |  |  |  |  |  |  |  |  | (1,549) | 2,066 | (1,409) |
Assets |  |  |  |  |  |  |  |  |  |  |  |  |
Total assets |  | 4,977,086 |  |  |  | 5,061,191 |  |  |  | 4,977,086 | 5,061,191 |  |
Homebuilding: | Corporate and Other [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Pretax income (loss): |  |  |  |  |  |  |  |  |  |  |  |  |
Pretax income (loss) |  |  |  |  |  |  |  |  |  | (108,759) | (105,286) | (101,851) |
Assets |  |  |  |  |  |  |  |  |  |  |  |  |
Total assets |  | 900,570 |  |  |  | 1,068,452 |  |  |  | 900,570 | 1,068,452 |  |
Homebuilding: | Central [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Inventories |  | 889,179 |  |  |  | 865,184 |  |  |  | 889,179 | 865,184 |  |
Revenues: |  |  |  |  |  |  |  |  |  |  |  |  |
Total Revenues |  |  |  |  |  |  |  |  |  | 1,267,892 | 1,239,305 | 1,188,839 |
Pretax income (loss): |  |  |  |  |  |  |  |  |  |  |  |  |
Pretax income (loss) |  |  |  |  |  |  |  |  |  | 126,304 | 117,609 | 116,098 |
Equity in income (loss) of unconsolidated joint ventures: |  |  |  |  |  |  |  |  |  |  |  |  |
Equity in income (loss) of unconsolidated joint ventures |  |  |  |  |  |  |  |  |  | 0 | 0 | 0 |
Inventory Impairments and Land Option Contract Abandonments |  |  |  |  |  |  |  |  |  | 848 | 2,558 | 846 |
Assets |  |  |  |  |  |  |  |  |  |  |  |  |
Total assets |  | 1,035,563 |  |  |  | 1,017,490 |  |  |  | 1,035,563 | 1,017,490 |  |
Investments in unconsolidated joint ventures: |  |  |  |  |  |  |  |  |  |  |  |  |
Investments in unconsolidated joint ventures |  | 0 |  |  |  | 0 |  |  |  | 0 | 0 |  |
Homebuilding: | West Coast [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Inventories |  | 1,795,088 |  |  |  | 1,727,993 |  |  |  | 1,795,088 | 1,727,993 |  |
Revenues: |  |  |  |  |  |  |  |  |  |  |  |  |
Total Revenues |  |  |  |  |  |  |  |  |  | 1,912,146 | 2,085,328 | 2,186,411 |
Pretax income (loss): |  |  |  |  |  |  |  |  |  |  |  |  |
Pretax income (loss) |  |  |  |  |  |  |  |  |  | 178,078 | 240,337 | 217,649 |
Equity in income (loss) of unconsolidated joint ventures: |  |  |  |  |  |  |  |  |  |  |  |  |
Equity in income (loss) of unconsolidated joint ventures |  |  |  |  |  |  |  |  |  | (851) | (966) | (1,770) |
Inventory Impairments and Land Option Contract Abandonments |  |  |  |  |  |  |  |  |  | 15,567 | 20,381 | 16,707 |
Assets |  |  |  |  |  |  |  |  |  |  |  |  |
Total assets |  | 1,925,192 |  |  |  | 1,880,516 |  |  |  | 1,925,192 | 1,880,516 |  |
Investments in unconsolidated joint ventures: |  |  |  |  |  |  |  |  |  |  |  |  |
Investments in unconsolidated joint ventures |  | 51,740 |  |  |  | 56,128 |  |  |  | 51,740 | 56,128 |  |
Homebuilding: | Southeast [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Inventories |  | 390,524 |  |  |  | 391,288 |  |  |  | 390,524 | 391,288 |  |
Revenues: |  |  |  |  |  |  |  |  |  |  |  |  |
Total Revenues |  |  |  |  |  |  |  |  |  | 592,804 | 502,087 | 447,963 |
Pretax income (loss): |  |  |  |  |  |  |  |  |  |  |  |  |
Pretax income (loss) |  |  |  |  |  |  |  |  |  | 18,550 | 7,624 | (509) |
Equity in income (loss) of unconsolidated joint ventures: |  |  |  |  |  |  |  |  |  |  |  |  |
Equity in income (loss) of unconsolidated joint ventures |  |  |  |  |  |  |  |  |  | (1) | (1) | (1) |
Inventory Impairments and Land Option Contract Abandonments |  |  |  |  |  |  |  |  |  | 468 | 5,623 | 4,234 |
Assets |  |  |  |  |  |  |  |  |  |  |  |  |
Total assets |  | 441,451 |  |  |  | 463,224 |  |  |  | 441,451 | 463,224 |  |
Investments in unconsolidated joint ventures: |  |  |  |  |  |  |  |  |  |  |  |  |
Investments in unconsolidated joint ventures |  | 2,506 |  |  |  | 2,505 |  |  |  | 2,506 | 2,505 |  |
Homebuilding: | Southwest [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Inventories |  | 629,811 |  |  |  | 598,374 |  |  |  | 629,811 | 598,374 |  |
Revenues: |  |  |  |  |  |  |  |  |  |  |  |  |
Total Revenues |  |  |  |  |  |  |  |  |  | 764,816 | 707,075 | 533,052 |
Pretax income (loss): |  |  |  |  |  |  |  |  |  |  |  |  |
Pretax income (loss) |  |  |  |  |  |  |  |  |  | 111,016 | 91,017 | 45,540 |
Equity in income (loss) of unconsolidated joint ventures: |  |  |  |  |  |  |  |  |  |  |  |  |
Equity in income (loss) of unconsolidated joint ventures |  |  |  |  |  |  |  |  |  | (697) | 3,033 | 362 |
Inventory Impairments and Land Option Contract Abandonments |  |  |  |  |  |  |  |  |  | 408 | 432 | $ 3,445 |
Assets |  |  |  |  |  |  |  |  |  |  |  |  |
Total assets |  | 674,310 |  |  |  | 631,509 |  |  |  | 674,310 | 631,509 |  |
Investments in unconsolidated joint ventures: |  |  |  |  |  |  |  |  |  |  |  |  |
Investments in unconsolidated joint ventures |  | $ 2,792 |  |  |  | $ 3,327 |  |  |  | $ 2,792 | $ 3,327 |  |
[1] | Land held for sale totaled $19.3 million at November 30, 2019 and $9.8 million at November 30, 2018.

X
- Definition The charge against earnings resulting from the write-down of assets from their carrying value to their fair value. + References No definition available. + Details
Name: | kbh_InventoryImpairmentsAndLandOptionContractAbandonments
Namespace Prefix: | kbh_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(11)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(12)) -URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910 + Details
Name: | us-gaap_Assets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_AssetsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571 + Details
Name: | us-gaap_EquityMethodInvestmentOwnershipPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_EquityMethodInvestmentSummarizedFinancialInformationIncomeStatementAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The portion of earnings or loss from continuing operations before income taxes that is attributable to domestic operations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)(1)(i)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
Name: | us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of income (loss) for proportionate share of equity method investee's income (loss). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(12)) -URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(10)) -URI http://asc.fasb.org/extlink&oid=116637232&loc=SL114874131-224263 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(13)(f)) -URI http://asc.fasb.org/extlink&oid=116637391&loc=SL114874048-224260 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599 Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=109237563&loc=d3e33749-111570 + Details
Name: | us-gaap_IncomeLossFromEquityMethodInvestments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Carrying amount as of the balance sheet date of capitalized construction costs of homes for future sale. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.6(a)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_InventoryHomesUnderConstruction
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Carrying amount net of impairment reserves as of the balance sheet date primarily consisting of deposits for land purchases (including option payments), related acquisition costs, and land which is not expected to be developed in the next two years. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.6(a)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_InventoryLandHeldForDevelopmentAndSale
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The net carrying amount as of the balance sheet date of the sum of the various components of an operative builder's inventory, including finished homes. Operative builders primarily consist of entities that develop land, construct residential homes and commercial and industrial buildings thereon, and sell them to home buyers and operators of the commercial and industrial properties. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.6(a)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_InventoryOperativeBuilders
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Carrying amount as of the balance sheet date, net of valuation allowances and impairment losses, of costs of land expected to be developed in the near term plus capitalized costs of development, for purposes of selling completed units to home buyers or commercial or industrial entities.. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.6(a)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_InventoryRealEstateLandAndLandDevelopmentCosts
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of investment in equity method investee and investment in and advance to affiliate. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.12) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVenturesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The loss recognized on termination of a contract. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 912 -SubTopic 275 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=84167019&loc=d3e54681-109401 + Details
Name: | us-gaap_LossOnContractTermination
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. + References No definition available. + Details
Name: | us-gaap_NumberOfReportableSegments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130543-203045 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045 + Details
Name: | us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_SegmentReportingInformationIncomeLossBeforeIncomeTaxesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_SegmentReportingInformationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_SegmentReportingInformationRevenueAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=us-gaap_HomeBuildingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=kbh_FinancialServicesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=kbh_KBHSLLCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=kbh_StearnsLendingLLCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LossContingenciesByNatureOfContingencyAxis=kbh_LandOptionContractAbandonmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=us-gaap_HomeBuildingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=us-gaap_CorporateAndOtherMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=kbh_CentralMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=kbh_WestCoastMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=kbh_SoutheastMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=kbh_SouthwestMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |