Segment Information (Tables)

3 Months Ended

Mar. 31, 2019

Segment Reporting [Abstract]

Schedule of Financial and Other Information by Business Unit

The following tables set forth financial and other information by business unit for the period indicated:

Three months ended March 31					Advanced Airlaid				Other and
Dollars in millions	Composite Fibers				Materials				Unallocated						Total
	2019		2018		2019		2018		2019			2018			2019			2018
Net sales	$	128.7	$	141.6	$	100.4	$	69.6	$	—		$	—		$	229.1		$	211.2
Cost of products sold		106.6		114.7		86.0		59.7		0.9			0.2			193.5			174.6
Gross profit (loss)		22.1		26.9		14.4		9.9		(0.9	)		(0.2	)		35.6			36.6
SG&A		10.8		11.6		4.4		2.7		9.4			15.6			24.6			29.9
(Gains) losses on dispositions of plant,    equipment and timberlands, net		—		—		—		—		(0.7	)		(1.1	)		(0.7	)		(1.1	)
Total operating income (loss)		11.3		15.3		10.0		7.2		(9.6	)		(14.8	)		11.7			7.7
Non-operating expense		—		—		—		—		(5.2	)		(3.7	)		(5.2	)		(3.7	)
Income (loss) before income taxes	$	11.3	$	15.3	$	10.0	$	7.2	$	(14.8	)	$	(18.5	)	$	6.5		$	4.0
Supplementary Data
Net tons sold (thousands)		31.5		36.3		33.2		23.8		—			—			64.7			60.1
Depreciation, depletion and    amortization	$	6.7	$	7.4	$	5.3	$	2.8	$	0.8		$	1.1		$	12.8		$	11.3
Capital expenditures		3.2		5.1		2.2		13.2		0.5			1.8			5.9			20.1