Segment Information (Tables)

6 Months Ended

Jun. 30, 2021

Segment Reporting [Abstract]

Schedule of Operating Segment Reporting Information

Financial information for our operating segments for the quarters and six months ended June 30, 2021 and 2020 were as follows:

	(Unaudited)
	Composite			Engineered			Corporate &
(In millions)	Materials			Products			Other (a)			Total
Second Quarter 2021
Net sales to external customers	$	240.9		$	79.4		$	—		$	320.3
Intersegment sales		14.6			0.8			(15.4	)		—
Total sales	$	255.5		$	80.2		$	(15.4	)	$	320.3
Other operating expense		2.8			0.2			0.1			3.1
Operating income (loss)		24.5			5.9			(14.2	)		16.2
Depreciation and amortization		30.5			3.6			0.1			34.2
Stock-based compensation		0.8			0.1			3.4			4.3
Accrual basis additions to capital expenditures		3.4			0.4			—			3.8
Second Quarter 2020
Net sales to external customers	$	306.2		$	72.5		$	—		$	378.7
Intersegment sales		15.4			0.4			(15.8	)		—
Total sales	$	321.6		$	72.9		$	(15.8	)	$	378.7
Other operating expense		8.5			2.4			2.2			13.1
Operating income (loss)		20.1			(0.5	)		(13.2	)		6.4
Depreciation and amortization		30.8			4.0			0.1			34.9
Stock-based compensation		(0.3	)		(0.1	)		(1.3	)		(1.7	)
Accrual basis additions to capital expenditures		10.5			1.0			—			11.5
Six Months Ended June 30, 2021
Net sales to external customers	$	478.1		$	152.5		$	—		$	630.6
Intersegment sales		27.8			1.4			(29.2	)		—
Total sales	$	505.9		$	153.9		$	(29.2	)	$	630.6
Other operating expense		15.5			(0.5	)		0.2			15.2
Operating income (loss)		31.9			10.6			(36.5	)		6.0
Depreciation and amortization		61.3			7.3			0.1			68.7
Stock-based compensation		1.4			0.3			11.6			13.3
Accrual basis additions to capital expenditures		7.0			0.8			—			7.8
Six Months Ended June 30, 2020
Net sales to external customers	$	744.7		$	175.0		$	—		$	919.7
Intersegment sales		40.2			0.9			(41.1	)		—
Total sales	$	784.9		$	175.9		$	(41.1	)	$	919.7
Other operating expense		9.1			2.7			16.0			27.8
Operating income (loss)		111.6			6.0			(45.5	)		72.1
Depreciation and amortization		62.6			7.7			0.1			70.4
Stock-based compensation		4.4			1.1			7.2			12.7
Accrual basis additions to capital expenditures		30.7			2.7			—			33.4

(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, 2020	$	98.7		$	179.1		$	277.8
Amortization expense		(1.0	)		(2.5	)		(3.5	)
Currency translation adjustments		(1.1	)		—			(1.1	)
Balance at June 30, 2021	$	96.6		$	176.6		$	273.2