SEGMENT INFORMATION - Reportable Segment's Results of Operations (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Revenue, Major Customer
Net sales	$ 2,456.9	$ 2,333.2	$ 2,549.4
Cost of sales	1,421.2	1,414.7	1,596.7
Selling, technical, general and administrative	628.8	596.8	578.6
Research and development	63.0	68.1	48.8
Add: Depreciation expense	40.0	42.6	41.6
Adjusted EBITDA	534.7	482.3	526.6
Operating Segments
Revenue, Major Customer
Net sales	2,456.9	2,333.2	2,549.4
Cost of sales	1,416.5	1,399.6	1,588.3
Selling, technical, general and administrative	474.5	443.0	434.5
Research and development	56.8	51.2	48.8
Other segment items	14.4	(0.3)	(7.2)
Add: Depreciation expense	40.0	42.6	41.6
Electronics
Revenue, Major Customer
Net sales	1,561.4	1,414.7	1,611.2
Adjusted EBITDA	361.5	317.7	360.7
Realized losses (gains) associated with derivatives	15.4	1.6	(1.6)
Electronics | Operating Segments
Revenue, Major Customer
Net sales	1,561.4	1,414.7	1,611.2
Cost of sales	910.1	854.2	1,021.8
Selling, technical, general and administrative	251.3	227.9	224.9
Research and development	45.1	37.2	32.6
Other segment items	15.3	2.1	(5.3)
Add: Depreciation expense	21.9	24.4	23.5
Industrial & Specialty
Revenue, Major Customer
Net sales	895.5	918.5	938.2
Adjusted EBITDA	173.2	164.6	165.9
Industrial & Specialty | Operating Segments
Revenue, Major Customer
Net sales	895.5	918.5	938.2
Cost of sales	506.4	545.4	566.5
Selling, technical, general and administrative	223.2	215.1	209.6
Research and development	11.7	14.0	16.2
Other segment items	(0.9)	(2.4)	(1.9)
Add: Depreciation expense	$ 18.1	$ 18.2	$ 18.1