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Business Acquisitions Purchase Price (Details) - USD ($) $ in Thousands | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014 | Jun. 30, 2014 | Dec. 31, 2013
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Business Acquisition [Line Items] |  |  |  |  |
Identifiable intangible assets | $ 5,158 |  |  |  |
Goodwill | $ 2,116 | $ 2,116 | $ 2,116 |  | $ 21,051
PECO and FGC Acquisitions |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Current assets |  |  |  | $ 2,391 |
Property, plant and equipment |  |  |  | 0 |
Identifiable intangible assets |  |  |  | 5,158 |
Current and long-term liabilities assumed |  |  |  | (3,935) |
Total identifiable net assets acquired |  |  |  | 3,614 |
Goodwill |  |  |  | 4,465 |
Total assets acquired |  |  |  | 8,079 |
Scenario, Previously Reported | PECO and FGC Acquisitions |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Current assets |  |  |  | 2,365 |
Property, plant and equipment |  |  |  | 281 |
Identifiable intangible assets |  |  |  | 0 |
Current and long-term liabilities assumed |  |  |  | (2,035) |
Total identifiable net assets acquired |  |  |  | 611 |
Goodwill |  |  |  | 7,468 |
Total assets acquired |  |  |  | 8,079 |
Measurement Adjustments | PECO and FGC Acquisitions |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Current assets |  |  |  | 26 |
Property, plant and equipment |  |  |  | (281) |
Identifiable intangible assets |  |  |  | 5,158 |
Current and long-term liabilities assumed |  |  |  | (1,900) |
Total identifiable net assets acquired |  |  |  | 3,003 |
Goodwill |  |  |  | (3,003) |
Total assets acquired |  |  |  | $ 0 |

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- Definition Amount of assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer, acquired at the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=73530397&loc=d3e4845-128472 + Details
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- Definition Amount of intangible assets, excluding goodwill, acquired at the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=73530397&loc=d3e4845-128472 + Details
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