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Intangible Assets (Intangible Assets, Net, Other Than Goodwill) (Details) - USD ($) $ in Thousands | 6 Months Ended |
--- | --- | ---
Jun. 30, 2016 | Dec. 31, 2015
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets with finite lives: Gross | $ 263,215 | $ 262,429
Intangible assets with finite lives: Accumulated Amortization | (122,134) | (104,963)
Intangible assets with finite lives: Net | $ 141,081 | 157,466
Weighted Average Useful Life Remaining (in years) | 5 years |
Patents Costs [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets with finite lives: Gross | $ 16,377 | 16,251
Intangible assets with finite lives: Accumulated Amortization | (5,457) | (4,895)
Intangible assets with finite lives: Net | $ 10,920 | 11,356
Weighted Average Useful Life Remaining (in years) | 8 years |
Acquired Technology [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets with finite lives: Gross | $ 53,161 | 52,809
Intangible assets with finite lives: Accumulated Amortization | (22,075) | (16,405)
Intangible assets with finite lives: Net | $ 31,086 | 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 | (3,220) | (2,919)
Intangible assets with finite lives: Net | $ 1,510 | 1,811
Useful Life (in years) | 3 years |
Weighted Average Useful Life Remaining (in years) | 3 years |
Customer Relationships [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets with finite lives: Gross | $ 102,585 | 101,933
Intangible assets with finite lives: Accumulated Amortization | (42,315) | (36,158)
Intangible assets with finite lives: Net | $ 60,270 | 65,775
Weighted Average Useful Life Remaining (in years) | 7 years |
Non-Compete Agreements [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets with finite lives: Gross | $ 11,808 | 12,163
Intangible assets with finite lives: Accumulated Amortization | (8,916) | (8,558)
Intangible assets with finite lives: Net | $ 2,892 | 3,605
Weighted Average Useful Life Remaining (in years) | 3 years |
Trade Names [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets with finite lives: Gross | $ 28,352 | 28,108
Intangible assets with finite lives: Accumulated Amortization | (14,386) | (12,498)
Intangible assets with finite lives: Net | $ 13,966 | 15,610
Weighted Average Useful Life Remaining (in years) | 6 years |
Other [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets with finite lives: Gross | $ 46,202 | 46,435
Intangible assets with finite lives: Accumulated Amortization | (25,765) | (23,530)
Intangible assets with finite lives: Net | $ 20,437 | $ 22,905
Weighted Average Useful Life Remaining (in years) | 5 years |
Minimum [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Useful Life (in years) | 1 year |
Minimum [Member] | Patents Costs [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Useful Life (in years) | 1 year |
Minimum [Member] | Acquired Technology [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Useful Life (in years) | 2 years |
Minimum [Member] | Customer Relationships [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Useful Life (in years) | 2 years |
Minimum [Member] | Non-Compete Agreements [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Useful Life (in years) | 2 years |
Minimum [Member] | Trade Names [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Useful Life (in years) | 1 year |
Minimum [Member] | Other [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Useful Life (in years) | 1 year |
Maximum [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Useful Life (in years) | 19 years |
Maximum [Member] | Patents Costs [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Useful Life (in years) | 19 years |
Maximum [Member] | Acquired Technology [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Useful Life (in years) | 15 years |
Maximum [Member] | Customer Relationships [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Useful Life (in years) | 15 years |
Maximum [Member] | Non-Compete Agreements [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Useful Life (in years) | 5 years |
Maximum [Member] | Trade Names [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Useful Life (in years) | 9 years |
Maximum [Member] | Other [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Useful Life (in years) | 7 years |

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