CONDENSED CONSOLIDATED STATEMENTS OF NET INCOME - USD ($) shares in Millions, $ in Millions		3 Months Ended		9 Months Ended
		Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Income Statement [Abstract]
NET SALES	[1]	$ 396.2	$ 401.2	$ 1,228.4	$ 1,176.9
Cost of sales		293.3	301.5	901.3	900.4
GROSS MARGIN		102.9	99.7	327.1	276.5
OPERATING EXPENSES AND INCOME
Selling, general and administrative expenses		41.3	32.3	126.4	97.3
Research, development and engineering expenses		11.1	9.8	33.2	29.7
Equity, royalty and interest income from investees		8.1	7.3	24.8	21.5
Other operating (income) expense, net		(0.2)	0.0	0.1	3.6
OPERATING INCOME		58.8	64.9	192.2	167.4
Interest expense		11.0	0.3	15.2	0.6
Other income, net		1.1	0.0	2.2	3.9
Total other comprehensive loss, net of tax		48.9	64.6	179.2	170.7
Income tax expense		11.3	14.2	42.7	36.3
NET INCOME		$ 37.6	$ 50.4	$ 136.5	$ 134.4
PER SHARE DATA:
Weighted-average shares for basic EPS (in shares)		83.3	83.3	83.3	83.3
Weighted-average shares for diluted EPS (in shares)		83.4	83.3	83.4	83.3
Basic earnings per share (in dollars per share)		$ 0.45	$ 0.61	$ 1.64	$ 1.61
Diluted earnings per share (in dollars per share)		$ 0.45	$ 0.61	$ 1.64	$ 1.61

[1] Includes sales to related parties of $86.9 million and $263.2 million for the three and nine months ended September 30, 2023, respectively, compared with $90.1 million and $260.1 million for the three and nine months ended September 30, 2022, respectively.