Segment Information (Tables)

6 Months Ended

Jun. 30, 2023

Segment Reporting [Abstract]

Schedule of Operating Segment Reporting Information

Financial information for our operating segments for the quarters and six months ended June 30, 2023 and 2022 were as follows:

	(Unaudited)
	Composite		Engineered		Corporate &
(In millions)	Materials		Products		Other (a)			Total
Quarter Ended June 30, 2023
Net sales to external customers	$	378.5	$	75.8	$	—		$	454.3
Intersegment sales		18.5		0.5		(19.0	)		—
Total sales	$	397.0	$	76.3	$	(19.0	)	$	454.3
Other operating expense		0.3		0.2		—			0.5
Operating income (loss)		64.2		6.8		(9.7	)		61.3
Depreciation and amortization		27.5		3.5		—			31.0
Stock-based compensation		1.1		0.3		1.4			2.8
Accrual basis additions to capital expenditures		12.9		40.8		—			53.7
Quarter Ended June 30, 2022
Net sales to external customers	$	318.1	$	74.9	$	—		$	393.0
Intersegment sales		18.5		1.0		(19.5	)		—
Total sales	$	336.6	$	75.9	$	(19.5	)	$	393.0
Other operating expense (income)		0.3		—		(19.4	)		(19.1	)
Operating income		47.2		9.1		7.5			63.8
Depreciation and amortization		28.1		3.5		0.1			31.7
Stock-based compensation		0.9		0.3		1.2			2.4
Accrual basis additions to capital expenditures		14.5		2.7		—			17.2
Six Months Ended June 30, 2023
Net sales to external customers	$	756.7	$	155.3	$	—		$	912.0
Intersegment sales		37.8		1.5		(39.3	)		—
Total sales	$	794.5	$	156.8	$	(39.3	)	$	912.0
Other operating expense		0.5		0.2		—			0.7
Operating income (loss)		137.4		18.8		(32.1	)		124.1
Depreciation and amortization		54.7		7.0		—			61.7
Stock-based compensation		4.2		1.1		10.4			15.7
Accrual basis additions to capital expenditures		26.0		44.5		—			70.5
Six Months Ended June 30, 2022
Net sales to external customers	$	631.9	$	151.7	$	—		$	783.6
Intersegment sales		35.0		1.3		(36.3	)		—
Total sales	$	666.9	$	153.0	$	(36.3	)	$	783.6
Other operating expense (income)		1.2		0.1		(19.4	)		(18.1	)
Operating income (loss)		89.8		19.7		(15.6	)		93.9
Depreciation and amortization		56.7		7.1		0.1			63.9
Stock-based compensation		3.5		1.0		8.3			12.8
Accrual basis additions to capital expenditures		24.6		3.7		—			28.3

(a)We do not allocate corporate expenses to the operating segments.

Schedule of Goodwill and Intangible Assets by Segment

Goodwill and Intangible Assets	Composite			Engineered
(In millions)	Materials			Products			Total
Balance at December 31, 2022	$	86.9		$	169.1		$	256.0
Amortization expense		(0.5	)		(1.3	)		(1.8	)
Currency translation adjustments		1.2			(1.2	)		—
Balance at June 30, 2023	$	87.6		$	166.6		$	254.2