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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, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Dec. 31, 2018
Amortized intangible assets:          
Gross Carrying Amount $ 334,975   $ 334,975   $ 312,508
Accumulated Amortization (75,263)   (75,263)   (57,604)
Net Value 259,712   259,712   254,904
Aggregate amortization expense 7,399 $ 4,005 19,787 $ 9,578  
Future estimated amortization expense          
2019 7,683   7,683    
2020 26,340   26,340    
2021 25,484   25,484    
2022 25,247   25,247    
2023 and thereafter 174,958   $ 174,958    
Weighted Average          
Amortized intangible assets:          
Amortization Period     12 years 9 months 18 days    
Patents          
Amortized intangible assets:          
Gross Carrying Amount 5,972   $ 5,972   5,427
Accumulated Amortization (4,635)   (4,635)   (5,294)
Net Value 1,337   $ 1,337   133
Patents | Weighted Average          
Amortized intangible assets:          
Amortization Period     3 years    
Acquired technology          
Amortized intangible assets:          
Gross Carrying Amount 93,153   $ 93,153   92,389
Accumulated Amortization (22,856)   (22,856)   (18,304)
Net Value 70,297   $ 70,297   74,085
Acquired technology | Weighted Average          
Amortized intangible assets:          
Amortization Period     13 years 4 months 24 days    
Customer relationships          
Amortized intangible assets:          
Gross Carrying Amount 187,994   $ 187,994   179,597
Accumulated Amortization (29,336)   (29,336)   (20,439)
Net Value 158,658   $ 158,658   159,158
Customer relationships | Weighted Average          
Amortized intangible assets:          
Amortization Period     13 years 10 months 24 days    
Trademarks and trade names          
Amortized intangible assets:          
Gross Carrying Amount 33,026   $ 33,026   21,243
Accumulated Amortization (9,564)   (9,564)   (5,914)
Net Value 23,462   $ 23,462   15,329
Trademarks and trade names | Weighted Average          
Amortized intangible assets:          
Amortization Period     7 years 2 months 12 days    
License agreements and other          
Amortized intangible assets:          
Gross Carrying Amount 14,830   $ 14,830   13,852
Accumulated Amortization (8,872)   (8,872)   (7,653)
Net Value $ 5,958   $ 5,958   $ 6,199
License agreements and other | Weighted Average          
Amortized intangible assets:          
Amortization Period     11 years