Goodwill

Goodwill by segment is as follows:



	December 31, 2017		December 31, 2016
	(in millions)
Rail Group	$	134.6	$	134.6
Construction Products Group	136.0		111.0
Energy Equipment Group	507.9		506.7
Railcar Leasing and Management Services Group	1.8		1.8
	$	780.3	$	754.1

As of December 31, 2017 and 2016, the Company's annual impairment test of goodwill was completed at the reporting unit level and no impairment charges were determined to be necessary. The increase in the Construction Products Group goodwill as of December 31, 2017 is due to acquisition activities during the twelve months ended December 31, 2017. See Note 2 Acquisitions and Divestitures. Changes in the Energy Equipment Group goodwill during the year ended December 31, 2017 resulted from fluctuations in foreign currency exchange rates.