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Acquisition
6 Months Ended
Mar. 31, 2012
Acquisition [Abstract]  
Acquisition

2.     ACQUISITION

       

        On February 7, 2012, the Company acquired a minority interest in Calico Energy, Inc. (Calico) for $1.3 million in cash.  Calico, headquartered in Seattle, WA is a provider of demand response software used in smart grid deployments and will be offered in connection with Aclara's Smart Communications Network solution.  This investment is accounted for under the cost method and is classified as a long-term other asset on the Company's consolidated balance sheet as of March 31, 2012.