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General and Summary of Significant Accounting Policies Intangible Assets #1 (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016
Finite-Lived Intangible Assets [Line Items] |  |
Cost | $ 167,044 | $ 46,925
Accumulated Amortization | 31,516 | 24,542
Finite-Lived Intangible Assets, Net | 135,528 | 22,383
Intangible Assets, Gross (Excluding Goodwill) | 175,269 |
INTANGIBLE ASSETS, net | $ 143,753 | $ 22,383
Patents [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Weighted-Average Amortization Life in Years | 10 years | 10 years
Cost | $ 17,064 | $ 14,423
Accumulated Amortization | 10,970 | 9,326
Finite-Lived Intangible Assets, Net | $ 6,094 | $ 5,097
MCDA contract [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Weighted-Average Amortization Life in Years |  | 10 years
Cost |  | $ 8,571
Accumulated Amortization |  | 8,571
Finite-Lived Intangible Assets, Net |  | $ 0
Customer Contracts [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Weighted-Average Amortization Life in Years | 9 years | 9 years
Cost | $ 5,319 | $ 5,319
Accumulated Amortization | 4,892 | 4,512
Finite-Lived Intangible Assets, Net | $ 427 | $ 807
Customer-Related Intangible Assets [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Weighted-Average Amortization Life in Years | 9 years | 15 years
Cost | $ 55,080 | $ 7,080
Accumulated Amortization | 6,562 | 590
Finite-Lived Intangible Assets, Net | $ 48,518 | $ 6,490
Trademarks [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Weighted-Average Amortization Life in Years | 4 years | 4 years
Cost | $ 425 | $ 425
Accumulated Amortization | 425 | 425
Finite-Lived Intangible Assets, Net | $ 0 | $ 0
Trade Names [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Weighted-Average Amortization Life in Years | 15 years | 15 years
Cost | $ 7,310 | $ 7,310
Accumulated Amortization | 1,096 | 609
Finite-Lived Intangible Assets, Net | $ 6,214 | $ 6,701
Developed Technology Rights [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Weighted-Average Amortization Life in Years | 11 years | 10 years
Cost | $ 81,846 | $ 3,797
Accumulated Amortization | 7,571 | 509
Finite-Lived Intangible Assets, Net | 74,275 | $ 3,288
In Process Research and Development [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Cost | $ 8,225 |

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- Definition Accumulated amount of 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=66006027&loc=d3e16323-109275 + Details
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