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