Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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+ Details

NET SALES (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
NET SALES (Details) - USD ($) $ in Millions	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Disaggregation of Revenue [Line Items]
Net sales	$ 784.3	$ 920.0	$ 1,569.1	$ 1,824.0
Engineered Materials
Disaggregation of Revenue [Line Items]
Net sales	293.2	323.8	570.5	606.3
Latex Binders
Disaggregation of Revenue [Line Items]
Net sales	204.2	252.4	413.5	493.9
Polymer Solutions
Disaggregation of Revenue [Line Items]
Net sales	286.9	343.8	585.1	723.8
United States
Disaggregation of Revenue [Line Items]
Net sales	238.1	264.3	473.7	490.7
United States \| Engineered Materials
Disaggregation of Revenue [Line Items]
Net sales	127.3	144.4	251.5	265.1
United States \| Latex Binders
Disaggregation of Revenue [Line Items]
Net sales	75.9	80.2	145.4	145.5
United States \| Polymer Solutions
Disaggregation of Revenue [Line Items]
Net sales	34.9	39.7	76.8	80.1
Europe
Disaggregation of Revenue [Line Items]
Net sales	374.8	444.7	746.5	907.2
Europe \| Engineered Materials
Disaggregation of Revenue [Line Items]
Net sales	104.8	118.7	203.2	232.7
Europe \| Latex Binders
Disaggregation of Revenue [Line Items]
Net sales	89.4	108.2	181.8	217.5
Europe \| Polymer Solutions
Disaggregation of Revenue [Line Items]
Net sales	180.6	217.8	361.5	457.0
Asia-Pacific
Disaggregation of Revenue [Line Items]
Net sales	140.5	179.8	289.7	363.9
Asia-Pacific \| Engineered Materials
Disaggregation of Revenue [Line Items]
Net sales	38.7	38.5	73.8	63.7
Asia-Pacific \| Latex Binders
Disaggregation of Revenue [Line Items]
Net sales	37.2	62.4	82.9	128.1
Asia-Pacific \| Polymer Solutions
Disaggregation of Revenue [Line Items]
Net sales	64.6	78.9	133.0	172.1
Rest of World
Disaggregation of Revenue [Line Items]
Net sales	30.9	31.2	59.2	62.2
Rest of World \| Engineered Materials
Disaggregation of Revenue [Line Items]
Net sales	22.4	22.2	42.0	44.8
Rest of World \| Latex Binders
Disaggregation of Revenue [Line Items]
Net sales	1.7	1.6	3.4	2.8
Rest of World \| Polymer Solutions
Disaggregation of Revenue [Line Items]
Net sales	$ 6.8	$ 7.4	$ 13.8	$ 14.6