GOODWILL AND INTANGIBLE ASSETS - Acquired Technology - Additional Information (Details)
€ in Millions
 3 Months Ended 9 Months Ended
Jun. 28, 2016
USD ($)
patent
Jun. 28, 2016
EUR (€)
patent
Jul. 23, 2012
USD ($)
patent
Mar. 09, 2011
Sep. 30, 2016
USD ($)
patent
Sep. 30, 2015
USD ($)
Sep. 30, 2016
USD ($)
patent
Sep. 30, 2015
USD ($)
Finite-Lived Intangible Assets [Line Items]                
Amortization related to acquired technology         $ 5,100,000 $ 2,700,000 $ 11,039,000 $ 8,249,000
Future amortization expense, remainder of fiscal year         15,900,000   15,900,000  
Future amortization expense, fiscal year 2         20,600,000   20,600,000  
Future amortization expense, fiscal year 3         20,600,000   20,600,000  
Future amortization expense, fiscal year 4         20,600,000   20,600,000  
Future amortization expense, fiscal year 5         20,600,000   20,600,000  
Future amortization expense, fiscal year 6         $ 20,600,000   $ 20,600,000  
Licensing Agreements [Member] | Motorola [Member]                
Finite-Lived Intangible Assets [Line Items]                
Number of patents under license agreement | patent         74   74  
Amortization period of acquired intangible assets (in years)       7 years 6 months        
Patents | 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          
Patents | 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