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Intangible Assets (Intangible Assets Other Than Goodwill) (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2016 | Dec. 31, 2015
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets with finite lives: Gross | $ 255,851 | $ 262,429
Intangible assets with finite lives: Accumulated Amortization | (134,350) | (104,963)
Intangible assets with finite lives: Net | $ 121,501 | 157,466
Weighted average useful life remaining (in years) | 4 years |
Patents Costs [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets with finite lives: Gross | $ 16,263 | 16,251
Intangible assets with finite lives: Accumulated Amortization | (5,873) | (4,895)
Intangible assets with finite lives: Net | $ 10,390 | 11,356
Weighted average useful life remaining (in years) | 9 years |
Acquired Technology [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets with finite lives: Gross | $ 52,881 | 52,809
Intangible assets with finite lives: Accumulated Amortization | (27,543) | (16,405)
Intangible assets with finite lives: Net | $ 25,338 | 36,404
Weighted average useful life remaining (in years) | 4 years |
Internally Developed Software [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets with finite lives: Gross | $ 4,730 | 4,730
Intangible assets with finite lives: Accumulated Amortization | (3,522) | (2,919)
Intangible assets with finite lives: Net | 1,208 | 1,811
Customer Relationships [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets with finite lives: Gross | 99,067 | 101,933
Intangible assets with finite lives: Accumulated Amortization | (46,252) | (36,158)
Intangible assets with finite lives: Net | $ 52,815 | 65,775
Weighted average useful life remaining (in years) | 6 years |
Non-Compete Agreements [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets with finite lives: Gross | $ 9,423 | 12,163
Intangible assets with finite lives: Accumulated Amortization | (7,277) | (8,558)
Intangible assets with finite lives: Net | $ 2,146 | 3,605
Weighted average useful life remaining (in years) | 2 years |
Trade Names [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets with finite lives: Gross | $ 28,110 | 28,108
Intangible assets with finite lives: Accumulated Amortization | (16,015) | (12,498)
Intangible assets with finite lives: Net | $ 12,095 | 15,610
Weighted average useful life remaining (in years) | 5 years |
Other [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets with finite lives: Gross | $ 45,377 | 46,435
Intangible assets with finite lives: Accumulated Amortization | (27,868) | (23,530)
Intangible assets with finite lives: Net | $ 17,509 | $ 22,905
Weighted average useful life remaining (in years) | 4 years |
Minimum [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets estimated useful lives | 1 year |
Minimum [Member] | Patents Costs [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets estimated useful lives | 1 year |
Minimum [Member] | Acquired Technology [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets estimated useful lives | 1 year |
Minimum [Member] | Internally Developed Software [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets estimated useful lives | 2 years |
Minimum [Member] | Customer Relationships [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets estimated useful lives | 1 year |
Minimum [Member] | Non-Compete Agreements [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets estimated useful lives | 1 year |
Minimum [Member] | Trade Names [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets estimated useful lives | 1 year |
Minimum [Member] | Other [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets estimated useful lives | 1 year |
Maximum [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets estimated useful lives | 20 years |
Maximum [Member] | Patents Costs [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets estimated useful lives | 20 years |
Maximum [Member] | Acquired Technology [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets estimated useful lives | 16 years |
Maximum [Member] | Internally Developed Software [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Weighted average useful life remaining (in years) | 2 years |
Maximum [Member] | Customer Relationships [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets estimated useful lives | 14 years |
Maximum [Member] | Non-Compete Agreements [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets estimated useful lives | 4 years |
Maximum [Member] | Trade Names [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets estimated useful lives | 8 years |
Maximum [Member] | Other [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets estimated useful lives | 6 years |

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- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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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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