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GOODWILL AND OTHER INTANGIBLE ASSETS - Summary of Intangible Assets (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2021 | Mar. 31, 2020 | Dec. 31, 2020
Amortized intangible assets: |  |  |
Gross Carrying Amount | $ 460,504 |  | $ 466,741
Accumulated Amortization | (129,472) |  | (122,432)
Net Value | 331,032 |  | 344,309
Aggregate amortization expense | $ 9,811 | $ 8,014 |
Weighted Average |  |  |
Amortized intangible assets: |  |  |
Amortization Period (in years) | 13 years 3 months 18 days |  |
Patents |  |  |
Amortized intangible assets: |  |  |
Gross Carrying Amount | $ 2,810 |  | 2,861
Accumulated Amortization | (1,440) |  | (1,477)
Net Value | $ 1,370 |  | 1,384
Patents | Weighted Average |  |  |
Amortized intangible assets: |  |  |
Amortization Period (in years) | 13 years 9 months 18 days |  |
Acquired technology |  |  |
Amortized intangible assets: |  |  |
Gross Carrying Amount | $ 109,508 |  | 111,854
Accumulated Amortization | (38,415) |  | (36,943)
Net Value | $ 71,093 |  | 74,911
Acquired technology | Weighted Average |  |  |
Amortized intangible assets: |  |  |
Amortization Period (in years) | 12 years 2 months 12 days |  |
Customer relationships |  |  |
Amortized intangible assets: |  |  |
Gross Carrying Amount | $ 283,761 |  | 286,644
Accumulated Amortization | (61,214) |  | (56,714)
Net Value | $ 222,547 |  | 229,930
Customer relationships | Weighted Average |  |  |
Amortized intangible assets: |  |  |
Amortization Period (in years) | 13 years 6 months |  |
Trademarks and trade names |  |  |
Amortized intangible assets: |  |  |
Gross Carrying Amount | $ 45,444 |  | 46,174
Accumulated Amortization | (18,615) |  | (17,437)
Net Value | $ 26,829 |  | 28,737
Trademarks and trade names | Weighted Average |  |  |
Amortized intangible assets: |  |  |
Amortization Period (in years) | 6 years 9 months 18 days |  |
License agreements and other |  |  |
Amortized intangible assets: |  |  |
Gross Carrying Amount | $ 18,981 |  | 19,208
Accumulated Amortization | (9,788) |  | (9,861)
Net Value | $ 9,193 |  | $ 9,347
License agreements and other | Weighted Average |  |  |
Amortized intangible assets: |  |  |
Amortization Period (in years) | 36 years 8 months 12 days |  |

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