GOODWILL AND INTANGIBLE ASSETS (Tables)

9 Months Ended

Sep. 30, 2022

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

Changes in the carrying value of goodwill were as follows:

	Chlor Alkali Products and Vinyls		Epoxy		Total
	($ in millions)
Balance at January 1, 2021	$	1,275.3	$	144.9	$	1,420.2
Foreign currency translation adjustment	0.1		—		0.1
Balance at September 30, 2021	$	1,275.4	$	144.9	$	1,420.3
Balance at January 1, 2022	$	1,275.6	$	145.0	$	1,420.6
Foreign currency translation adjustment	0.5		0.1		0.6
Balance at September 30, 2022	$	1,276.1	$	145.1	$	1,421.2

Schedule of Finite-Lived Intangible Assets

Intangible assets consisted of the following:

	September 30, 2022						December 31, 2021						September 30, 2021
	Gross Amount		Accumulated Amortization		Net		Gross Amount		Accumulated Amortization		Net		Gross Amount		Accumulated Amortization		Net
	($ in millions)
Customers, customer contracts and relationships	$	662.0	$	(389.3)	$	272.7	$	674.4	$	(359.8)	$	314.6	$	676.1	$	(347.8)	$	328.3
Acquired technology	91.9		(86.5)		5.4		93.9		(77.9)		16.0		94.2		(75.1)		19.1
Other	1.8		(0.7)		1.1		1.8		(0.7)		1.1		1.8		(0.7)		1.1
Total intangible assets	$	755.7	$	(476.5)	$	279.2	$	770.1	$	(438.4)	$	331.7	$	772.1	$	(423.6)	$	348.5