v2.4.0.6
Document and Entity Information
9 Months Ended
Sep. 30, 2011
Oct. 25, 2011
Document and Entity Information    
Entity Registrant Name ASBURY AUTOMOTIVE GROUP INC  
Entity Central Index Key 0001144980  
Current Fiscal Year End Date --12-31  
Entity Filer Category Accelerated Filer  
Document Type 10-Q  
Document Period End Date Sep. 30, 2011  
Document Fiscal Year Focus 2011  
Document Fiscal Period Focus Q3  
Amendment Flag false  
Entity Common Stock, Shares Outstanding   31,774,589