v3.4.0.3
Document and Entity Information - shares
6 Months Ended
Mar. 31, 2016
Apr. 25, 2016
Document and Entity Information [Abstract]    
Entity Registrant Name BEAZER HOMES USA INC  
Entity Central Index Key 0000915840  
Document Type 10-Q  
Document Period End Date Mar. 31, 2016  
Amendment Flag false  
Document Fiscal Year Focus 2016  
Document Fiscal Period Focus Q2  
Current Fiscal Year End Date --09-30  
Entity Filer Category Accelerated Filer  
Entity Common Stock, Shares Outstanding   33,086,585