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Goodwill and Other Intangible Assets (Schedule of Carrying Value of Intangible Assets) (Details) - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2015 | Jun. 30, 2014
Finite-Lived Intangible Assets [Line Items] |  |
Balance as of December 31, 2014 | $ 9,791 |
Amortization | (869) | $ (159)
Foreign currency translation | (56) |
Balance as of June 30, 2015 | 8,866 |
T & D Solutions Segment [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Balance as of December 31, 2014 | 4,386 |
Amortization | (186) |
Foreign currency translation | (56) |
Balance as of June 30, 2015 | 4,144 |
Critical Power Solutions Segment [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Balance as of December 31, 2014 | 5,405 |
Amortization | (683) |
Balance as of June 30, 2015 | $ 4,722 |

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- 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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- Definition 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. + References No definition available. + Details
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- Definition Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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- Definition Amount of increase (decrease) to assets, excluding financial assets and goodwill, lacking physical substance with a finite life for foreign currency translation adjustments. + References No definition available. + Details
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