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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, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019 | Dec. 31, 2019
Amortized intangible assets: |  |  |  |  |
Gross Carrying Amount | $ 454,420 |  | $ 454,420 |  | $ 372,417
Accumulated Amortization | (101,680) |  | (101,680) |  | (81,333)
Net Value | 352,740 |  | 352,740 |  | 291,084
Aggregate amortization expense | 12,320 | $ 6,386 | 20,334 | $ 12,388 |
Future estimated amortization expense |  |  |  |  |
2020 | 19,192 |  | 19,192 |  |
2021 | 37,723 |  | 37,723 |  |
2022 | 37,443 |  | 37,443 |  |
2023 | 37,362 |  | 37,362 |  |
2024 and thereafter | 221,020 |  | $ 221,020 |  |
Weighted Average |  |  |  |  |
Amortized intangible assets: |  |  |  |  |
Amortization Period |  |  | 12 years 7 months 6 days |  |
Patents |  |  |  |  |
Amortized intangible assets: |  |  |  |  |
Gross Carrying Amount | 2,703 |  | $ 2,703 |  | 2,804
Accumulated Amortization | (1,334) |  | (1,334) |  | (1,318)
Net Value | 1,369 |  | $ 1,369 |  | 1,486
Patents | Weighted Average |  |  |  |  |
Amortized intangible assets: |  |  |  |  |
Amortization Period |  |  | 7 years 1 month 6 days |  |
Acquired technology |  |  |  |  |
Amortized intangible assets: |  |  |  |  |
Gross Carrying Amount | 105,020 |  | $ 105,020 |  | 100,511
Accumulated Amortization | (29,907) |  | (29,907) |  | (25,430)
Net Value | 75,113 |  | $ 75,113 |  | 75,081
Acquired technology | Weighted Average |  |  |  |  |
Amortized intangible assets: |  |  |  |  |
Amortization Period |  |  | 12 years 7 months 6 days |  |
Customer relationships |  |  |  |  |
Amortized intangible assets: |  |  |  |  |
Gross Carrying Amount | 279,709 |  | $ 279,709 |  | 217,934
Accumulated Amortization | (43,561) |  | (43,561) |  | (33,924)
Net Value | 236,148 |  | $ 236,148 |  | 184,010
Customer relationships | Weighted Average |  |  |  |  |
Amortized intangible assets: |  |  |  |  |
Amortization Period |  |  | 13 years 6 months |  |
Trademarks and trade names |  |  |  |  |
Amortized intangible assets: |  |  |  |  |
Gross Carrying Amount | 44,508 |  | $ 44,508 |  | 35,015
Accumulated Amortization | (13,568) |  | (13,568) |  | (11,003)
Net Value | 30,940 |  | $ 30,940 |  | 24,012
Trademarks and trade names | Weighted Average |  |  |  |  |
Amortized intangible assets: |  |  |  |  |
Amortization Period |  |  | 6 years |  |
License agreements and other |  |  |  |  |
Amortized intangible assets: |  |  |  |  |
Gross Carrying Amount | 22,480 |  | $ 22,480 |  | 16,153
Accumulated Amortization | (13,310) |  | (13,310) |  | (9,658)
Net Value | $ 9,170 |  | $ 9,170 |  | $ 6,495
License agreements and other | Weighted Average |  |  |  |  |
Amortized intangible assets: |  |  |  |  |
Amortization Period |  |  | 15 years 6 months |  |

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