v2.4.0.6
Document and Entity Information (USD $)
12 Months Ended
Sep. 30, 2012
Nov. 13, 2012
Mar. 31, 2012
Document Information [Line Items]      
Document Type 10-K    
Amendment Flag false    
Document Period End Date Sep. 30, 2012    
Document Fiscal Year Focus 2012    
Document Fiscal Period Focus FY    
Trading Symbol SMG    
Entity Registrant Name SCOTTS MIRACLE-GRO CO    
Entity Central Index Key 0000825542    
Current Fiscal Year End Date --09-30    
Entity Well-known Seasoned Issuer Yes    
Entity Current Reporting Status Yes    
Entity Voluntary Filers No    
Entity Filer Category Large Accelerated Filer    
Entity Common Stock, Shares Outstanding   61,357,418  
Entity Public Float     $ 2,271,305,320