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Document And Entity Information (USD $)
 12 Months Ended
Sep. 30, 2013
Document And Entity Information [Abstract]  
Entity Registrant Name INTEGRATED ELECTRICAL SERVICES INC
Entity Central Index Key 0001048268
Document Type 10-K
Document Period End Date Sep. 30, 2013
Amendment Flag false
Document Fiscal Year Focus 2013
Document Fiscal Period Focus FY
Current Fiscal Year End Date --09-30
Entity Filer Category Non-accelerated Filer
Entity Common Stock, Shares Outstanding 17,841,640
Entity Well-known Seasoned Issuer No
Entity Public Float $ 31,900,000
Entity Current Reporting Status Yes
Entity Voluntary Filers No