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Goodwill and Other Intangible Assets (Schedule of Carrying Value of Intangible Assets) (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Finite-Lived Intangible Assets [Line Items]
Balance as of December 31, 2014	$ 9,791
Amortization	(1,301)	$ (239)
Impairment charges	(143)
Foreign currency translation	(96)
Balance as of September 30, 2015	8,251
T & D Solutions Segment [Member]
Finite-Lived Intangible Assets [Line Items]
Balance as of December 31, 2014	4,386
Amortization	(277)
Impairment charges	(143)
Foreign currency translation	(96)
Balance as of September 30, 2015	3,870
Critical Power Solutions Segment [Member]
Finite-Lived Intangible Assets [Line Items]
Balance as of December 31, 2014	5,405
Amortization	(1,024)
Balance as of September 30, 2015	$ 4,381

X

- Definition

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount of increase (decrease) to assets, excluding financial assets and goodwill, lacking physical substance with a finite life for foreign currency translation adjustments.

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The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value.

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