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GOODWILL AND OTHER INTANGIBLE ASSETS (Summary of Intangible Assets) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2016 | Jun. 30, 2015 | Jun. 30, 2016 | Jun. 30, 2015 | Dec. 31, 2015
Amortized intangible assets: |  |  |  |  |
Gross Carrying Amount | $ 147,768 |  | $ 147,768 |  | $ 75,016
Accumulated Amortization | (44,225) |  | (44,225) |  | (43,487)
Net Value | 103,543 |  | 103,543 |  | 31,529
Aggregate amortization expense | 2,749 | $ 1,085 | 4,235 | $ 2,166 |
Future estimated amortization expense |  |  |  |  |
2016 | 5,082 |  | 5,082 |  |
2017 | 10,079 |  | 10,079 |  |
2018 | 10,083 |  | 10,083 |  |
2019 | 9,883 |  | 9,883 |  |
2020 and thereafter | 68,416 |  | $ 68,416 |  |
Weighted Average |  |  |  |  |
Amortized intangible assets: |  |  |  |  |
Amortization Period |  |  | 10 years 9 months 18 days |  |
Patents |  |  |  |  |
Amortized intangible assets: |  |  |  |  |
Gross Carrying Amount | 15,647 |  | $ 15,647 |  | 15,358
Accumulated Amortization | (15,621) |  | (15,621) |  | (15,330)
Net Value | 26 |  | $ 26 |  | 28
Patents | Weighted Average |  |  |  |  |
Amortized intangible assets: |  |  |  |  |
Amortization Period |  |  | 1 month 6 days |  |
Acquired technology |  |  |  |  |
Amortized intangible assets: |  |  |  |  |
Gross Carrying Amount | 43,949 |  | $ 43,949 |  | 32,030
Accumulated Amortization | (9,104) |  | (9,104) |  | (7,475)
Net Value | 34,845 |  | $ 34,845 |  | 24,555
Acquired technology | Weighted Average |  |  |  |  |
Amortized intangible assets: |  |  |  |  |
Amortization Period |  |  | 14 years 10 months 24 days |  |
Customer relationships |  |  |  |  |
Amortized intangible assets: |  |  |  |  |
Gross Carrying Amount | 65,239 |  | $ 65,239 |  | 6,406
Accumulated Amortization | (4,125) |  | (4,125) |  | (1,493)
Net Value | 61,114 |  | $ 61,114 |  | 4,913
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 | 22,933 |  | $ 22,933 |  | 21,222
Accumulated Amortization | (15,375) |  | (15,375) |  | (19,189)
Net Value | $ 7,558 |  | $ 7,558 |  | $ 2,033
License agreements and other | Weighted Average |  |  |  |  |
Amortized intangible assets: |  |  |  |  |
Amortization Period |  |  | 7 years 3 months 18 days |  |

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