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GOODWILL AND INTANGIBLE ASSETS - Acquired Technology - Additional Information (Details)
€ in Millions
12 Months Ended
Jun. 28, 2016
USD ($)
patent
Jun. 28, 2016
EUR (€)
patent
Jul. 23, 2012
USD ($)
patent
Mar. 09, 2011
Dec. 31, 2018
USD ($)
patent
Dec. 31, 2017
USD ($)
Dec. 31, 2016
USD ($)
Finite-Lived Intangible Assets [Line Items]              
Amortization related to acquired technology         $ 21,962,000 $ 21,983,000 $ 16,492,000
Future amortization expense, 2019         20,500,000    
Future amortization expense, 2020         20,500,000    
Future amortization expense, 2021         20,500,000    
Future amortization expense, 2022         15,800,000    
Future amortization expense, thereafter         33,600,000    
Patent Technology [Member]              
Finite-Lived Intangible Assets [Line Items]              
Amortization related to acquired technology         $ 20,600,000 $ 20,600,000 $ 15,900,000
Licensing Agreements [Member] | Motorola [Member]              
Finite-Lived Intangible Assets [Line Items]              
Number of patents under license agreement | patent         74    
Amortization period of acquired intangible assets (in years)       7 years 6 months 7 years 6 months    
Patents [Member] | FUJIFILM [Member]              
Finite-Lived Intangible Assets [Line Items]              
Number of patents acquired (more than) | patent     1,200        
Assigned value of acquired intangible assets     $ 105,000,000        
Cash paid for OLED patents     $ 4,500,000        
OLED patents useful life     10 years   10 years    
Patents [Member] | BASF [Member]              
Finite-Lived Intangible Assets [Line Items]              
Number of patents acquired (more than) | patent 500 500          
Assigned value of acquired intangible assets $ 95,800,000 € 86.8          
Cash paid for OLED patents $ 217,000            
OLED patents useful life 10 years 10 years     10 years