v3.5.0.2
Document and Entity Information
9 Months Ended
Aug. 31, 2016
shares
Document and Entity Information [Abstract]  
Entity Registrant Name KB Home
Trading Symbol KBH
Entity Central Index Key 0000795266
Document Type 10-Q
Document Period End Date Aug. 31, 2016
Amendment Flag false
Document Fiscal Year Focus 2016
Document Fiscal Period Focus Q3
Current Fiscal Year End Date --11-30
Entity Filer Category Large Accelerated Filer
Entity Common Stock Shares Outstanding 84,773,093