Annual report pursuant to Section 13 and 15(d)

Document and Entity Information

v2.3.0.15
Document and Entity Information (USD $)
12 Months Ended
Sep. 30, 2011
Nov. 01, 2011
Mar. 31, 2011
Document and Entity Information      
Entity Registrant Name MAXIMUS INC    
Entity Central Index Key 0001032220    
Document Type 10-K    
Document Period End Date Sep. 30, 2011
Amendment Flag false    
Current Fiscal Year End Date --09-30    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Filer Category Large Accelerated Filer    
Entity Public Float     $ 1,195,512,731
Entity Common Stock, Shares Outstanding   33,585,754  
Document Fiscal Year Focus 2011    
Document Fiscal Period Focus FY