Subsequent Event

12 Months Ended

Sep. 30, 2015

Subsequent Events [Abstract]

Subsequent Events

20. SUBSEQUENT EVENTS (UNAUDITED)

On October 2, 2015, the Company awarded certain officers, including each of its named executive officers, and key employees performance-based phantom stock units pursuant to the terms and conditions of the Integrated Electrical Services, Inc. Amended and Restated 2006 Equity Incentive Plan. Each Phantom Unit represents a contractual right in respect of one share of the Company’s common stock. The Phantom Units will generally become vested, if at all, upon the achievement of certain specified performance objectives and the continued performance of services through mid-December 2018.

On October 30, 2015, a subsidiary of our Infrastructure Solutions segment acquired all of the membership interests of Calumet Armature & Electric, LLC (“Calumet”), an Illinois-based provider of design, manufacturing, assembly, and repair services of electric motors for the industrial and mass transit markets. Calumet will operate as a subsidiary in IES’s Infrastructure Solutions segment. On November 20, 2015, a subsidiary of our Commercial & Industrial segment acquired all of the outstanding shares of stock of Shanahan Mechanical and Electrical, Inc. (“Shanahan”), a Nebraska-based provider of mechanical and electrical contracting services. Shanahan will operate as a subsidiary in IES’s Commercial & Industrial segment.