CONSOLIDATED STATEMENTS OF NET INCOME - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Income Statement [Abstract]
NET SALES	$ 1,669.6	$ 1,628.1	$ 1,562.1	[1]
Cost of sales	1,207.5	1,195.4	1,202.9
GROSS MARGIN	462.1	432.7	359.2
OPERATING EXPENSES AND INCOME
Selling, general and administrative expenses	187.6	174.7	139.7
Research, development and engineering expenses	40.6	42.5	38.6
Equity, royalty and interest income from investees	34.3	33.6	28.0
Other operating expense, net	2.0	0.7	5.0
OPERATING INCOME	266.2	248.4	203.9
Interest expense	40.6	25.8	0.7
Other income, net	9.2	3.8	8.8
INCOME BEFORE INCOME TAXES	234.8	226.4	212.0
Income tax expense	49.2	55.1	41.6
NET INCOME	$ 185.6	$ 171.3	$ 170.4
PER SHARE DATA:
Weighted-average shares for basic EPS (in shares)	83.2	83.3	83.3
Weighted-average shares for diluted EPS (in shares)	83.6	83.4	83.3
Basic earnings per share (in dollars per share)	$ 2.23	$ 2.06	$ 2.05
Diluted earnings per share (in dollars per share)	$ 2.22	$ 2.05	$ 2.05

[1] Includes sales to related parties of $121.9 million, $390.8 million and $344.9 million for the years ended December 31, 2024, 2023 and 2022, respectively.