Acquisitions	9 Months Ended
Sep. 30, 2015
Business Combinations [Abstract]
Acquisitions	ACQUISITIONS Main Street Power — On February 18, 2015, the Company completed the acquisition of 100% of the common stock of Main Street Power Company, Inc. for approximately $25 million pursuant to the terms and condition of a definitive agreement dated January 24, 2015. The purchase consideration was composed of $20 million cash and the fair value of earn-out payments of $5 million. At September 30, 2015, the assets acquired (including $4 million cash) and liabilities assumed at the acquisition date were recorded at provisional amounts based on the preliminary purchase price allocation. The Company is in the process of obtaining additional information to measure all assets acquired and liabilities assumed in the acquisition within the measurement period, which could be up to one year from the date of acquisition. The preliminary purchase price allocation has resulted in the recognition of $14 million of goodwill. Subsequent changes to the fair value of earn-out payments will be reflected in earnings.

Acquisitions

9 Months Ended

Sep. 30, 2015

ACQUISITIONS

Main Street Power — On February 18, 2015, the Company completed the acquisition of 100% of the common stock of Main Street Power Company, Inc. for approximately $25 million pursuant to the terms and condition of a definitive agreement dated January 24, 2015. The purchase consideration was composed of $20 million cash and the fair value of earn-out payments of $5 million. At September 30, 2015, the assets acquired (including $4 million cash) and liabilities assumed at the acquisition date were recorded at provisional amounts based on the preliminary purchase price allocation. The Company is in the process of obtaining additional information to measure all assets acquired and liabilities assumed in the acquisition within the measurement period, which could be up to one year from the date of acquisition. The preliminary purchase price allocation has resulted in the recognition of $14 million of goodwill. Subsequent changes to the fair value of earn-out payments will be reflected in earnings.