CONDENSED CONSOLIDATED STATEMENTS OF NET INCOME - USD ($) shares in Millions, $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Income Statement [Abstract]
NET SALES	[1]	$ 413.6	$ 393.2	$ 832.2	$ 775.7
Cost of sales		299.2	297.8	608.0	598.9
GROSS MARGIN		114.4	95.4	224.2	176.8
OPERATING EXPENSES AND INCOME
Selling, general and administrative expenses		46.0	32.5	85.1	65.0
Research, development and engineering expenses		12.3	9.5	22.1	19.9
Equity, royalty and interest income from investees		8.3	5.5	16.7	14.2
Other operating expense, net		0.2	0.9	0.3	3.6
OPERATING INCOME		64.2	58.0	133.4	102.5
Interest expense		4.2	0.1	4.2	0.3
Other income, net		1.2	3.2	1.1	3.9
Total other comprehensive loss, net of tax		61.2	61.1	130.3	106.1
Income tax expense		15.0	11.9	31.4	22.1
NET INCOME		$ 46.2	$ 49.2	$ 98.9	$ 84.0
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)		83.3	83.3	83.3	83.3
Basic earnings per share (in dollars per share)		$ 0.55	$ 0.59	$ 1.19	$ 1.01
Diluted earnings per share (in dollars per share)		$ 0.55	$ 0.59	$ 1.19	$ 1.01

[1] Includes sales to related parties of $87.2 million and $176.3 million for the three and six months ended June 30, 2023, respectively, compared with $84.1 million and $170.0 million for the three and six months ended June 30, 2022, respectively.