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GOODWILL AND OTHER INTANGIBLE ASSETS (Summary of Intangible Assets) (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2017 | Mar. 31, 2016 | Dec. 31, 2016
Amortized intangible assets: |  |  |
Gross Carrying Amount | $ 131,150 |  | $ 130,112
Accumulated Amortization | (38,159) |  | (35,623)
Net Value | 92,991 |  | 94,489
Aggregate amortization expense | 2,429 | $ 1,486 |
Future estimated amortization expense |  |  |
2017 | 7,334 |  |
2018 | 9,755 |  |
2019 | 9,587 |  |
2020 | 8,476 |  |
2021 and thereafter | $ 57,839 |  |
Weighted Average |  |  |
Amortized intangible assets: |  |  |
Amortization Period | 11 years 8 months 12 days |  |
Patents |  |  |
Amortized intangible assets: |  |  |
Gross Carrying Amount | $ 6,946 |  | 6,859
Accumulated Amortization | (6,928) |  | (6,839)
Net Value | $ 18 |  | 20
Patents | Weighted Average |  |  |
Amortized intangible assets: |  |  |
Amortization Period | 2 months 12 days |  |
Technology |  |  |
Amortized intangible assets: |  |  |
Gross Carrying Amount | $ 42,263 |  | 41,731
Accumulated Amortization | (10,874) |  | (10,040)
Net Value | $ 31,389 |  | 31,691
Technology | Weighted Average |  |  |
Amortized intangible assets: |  |  |
Amortization Period | 14 years 10 months 24 days |  |
Customer relationships |  |  |
Amortized intangible assets: |  |  |
Gross Carrying Amount | $ 63,542 |  | 63,006
Accumulated Amortization | (8,144) |  | (6,696)
Net Value | $ 55,398 |  | 56,310
Customer relationships | Weighted Average |  |  |
Amortized intangible assets: |  |  |
Amortization Period | 11 years 9 months 18 days |  |
License agreements and other |  |  |
Amortized intangible assets: |  |  |
Gross Carrying Amount | $ 18,399 |  | 18,516
Accumulated Amortization | (12,213) |  | (12,048)
Net Value | $ 6,186 |  | $ 6,468
License agreements and other | Weighted Average |  |  |
Amortized intangible assets: |  |  |
Amortization Period | 8 years |  |

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