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GOODWILL AND OTHER INTANGIBLE ASSETS (Summary of Intangible Assets) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2017 | Sep. 30, 2016 | Sep. 30, 2017 | Sep. 30, 2016 | Dec. 31, 2016
Amortized intangible assets: |  |  |  |  |
Gross Carrying Amount | $ 143,990 |  | $ 143,990 |  | $ 130,112
Accumulated Amortization | (47,230) |  | (47,230) |  | (35,623)
Net Value | 96,760 |  | 96,760 |  | 94,489
Aggregate amortization expense | 2,708 | $ 2,553 | 7,643 | $ 6,788 |
Future estimated amortization expense |  |  |  |  |
2017 | 2,572 |  | 2,572 |  |
2018 | 10,851 |  | 10,851 |  |
2019 | 10,667 |  | 10,667 |  |
2020 | 9,464 |  | 9,464 |  |
2021 and thereafter | 63,206 |  | $ 63,206 |  |
Weighted Average |  |  |  |  |
Amortized intangible assets: |  |  |  |  |
Amortization Period |  |  | 11 years 9 months 18 days |  |
Patents |  |  |  |  |
Amortized intangible assets: |  |  |  |  |
Gross Carrying Amount | 7,695 |  | $ 7,695 |  | 6,859
Accumulated Amortization | (7,680) |  | (7,680) |  | (6,839)
Net Value | 15 |  | $ 15 |  | 20
Patents | Weighted Average |  |  |  |  |
Amortized intangible assets: |  |  |  |  |
Amortization Period |  |  | 2 months 12 days |  |
Technology |  |  |  |  |
Amortized intangible assets: |  |  |  |  |
Gross Carrying Amount | 46,817 |  | $ 46,817 |  | 41,731
Accumulated Amortization | (13,610) |  | (13,610) |  | (10,040)
Net Value | 33,207 |  | $ 33,207 |  | 31,691
Technology | Weighted Average |  |  |  |  |
Amortized intangible assets: |  |  |  |  |
Amortization Period |  |  | 15 years |  |
Customer relationships |  |  |  |  |
Amortized intangible assets: |  |  |  |  |
Gross Carrying Amount | 68,126 |  | $ 68,126 |  | 63,006
Accumulated Amortization | (11,763) |  | (11,763) |  | (6,696)
Net Value | 56,363 |  | $ 56,363 |  | 56,310
Customer relationships | Weighted Average |  |  |  |  |
Amortized intangible assets: |  |  |  |  |
Amortization Period |  |  | 12 years 2 months 12 days |  |
License agreements and other |  |  |  |  |
Amortized intangible assets: |  |  |  |  |
Gross Carrying Amount | 21,352 |  | $ 21,352 |  | 18,516
Accumulated Amortization | (14,177) |  | (14,177) |  | (12,048)
Net Value | $ 7,175 |  | $ 7,175 |  | $ 6,468
License agreements and other | Weighted Average |  |  |  |  |
Amortized intangible assets: |  |  |  |  |
Amortization Period |  |  | 7 years 7 months 6 days |  |

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