GOODWILL AND INTANGIBLE ASSETS - Acquired Technology - Additional Information (Details) € in Millions				3 Months Ended		9 Months Ended
	Apr. 28, 2023 USD ($) Board_member	Jun. 28, 2016 USD ($) Patent	Jun. 28, 2016 EUR (€) Patent	Sep. 30, 2023 USD ($)	Sep. 30, 2022 USD ($)	Sep. 30, 2023 USD ($)	Sep. 30, 2022 USD ($)
Finite-Lived Intangible Assets [Line Items]
Amortization of intangibles						$ 11,442,000	$ 14,562,000
Future amortization expense, 2023				$ 4,200,000		4,200,000
Future amortization expense, 2024				16,800,000		16,800,000
Future amortization expense, 2025				16,800,000		16,800,000
Future amortization expense, 2026				12,000,000		12,000,000
Future amortization expense of other intangible assets, fiscal year 2027				7,200,000		7,200,000
Future amortization expense, thereafter				37,500,000		37,500,000
Patent Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization of intangibles				$ 4,200,000	$ 3,200,000	$ 10,400,000	$ 13,500,000
Patents [Member] | Merck KGaA [Member]
Finite-Lived Intangible Assets [Line Items]
Number of patents acquired (more than) | Board_member	550
Assigned value of acquired intangible assets	$ 66,000,000
Cash paid for OLED patents	$ 66,000,000
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
Acquisition Costs, Period Cost		95,800,000	€ 86.8
Cash paid for OLED patents		$ 217,000
OLED patents useful life	10 years	10 years		10 years		10 years