Segment Information (Tables)

3 Months Ended

Mar. 31, 2018

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				Specialty Papers				Unallocated						Total
	2018		2017		2018		2017		2018		2017		2018			2017			2018			2017
Net sales	$	141.6	$	125.1	$	69.6	$	59.8	$	199.4	$	205.8	$	—		$	—		$	410.6		$	390.7
Energy and related sales, net		—	—			—	—			1.4		1.1		—			—			1.4			1.1
Total revenue		141.6		125.1		69.6	59.8			200.8		206.9		—			—			412.1			391.8
Cost of products sold		114.7		99.6		59.7		50.5		186.5		179.9		2.3			6.2			363.2			336.2
Gross profit (loss)		26.9		25.5		9.9		9.3		14.3		27.0		(2.3	)		(6.2	)		48.9			55.6
SG&A		11.6		11.1		2.7		2.2		11.9		13.5		10.9			8.1			37.1			34.9
(Gains) losses on dispositions of plant,    equipment and timberlands, net		—		—		—		—		—		—		(1.6	)		—			(1.6	)		—
Total operating income (loss)		15.3		14.4		7.2		7.1		2.4		13.5		(11.6	)		(14.3	)		13.4			20.7
Non-operating expense		—		—		—		—		—		—		(4.9	)		(3.1	)		(4.9	)		(3.1	)
Income (loss) before income taxes	$	15.3	$	14.4	$	7.2	$	7.1	$	2.4	$	13.5	$	(16.5	)	$	(17.4	)	$	8.5		$	17.6
Supplementary Data
Net tons sold (thousands)		40.0		38.8		26.3		24.8		188.4		197.2		—			—			254.8			260.8
Depreciation, depletion and    amortization	$	7.4	$	6.8	$	2.8	$	2.3	$	8.1	$	7.2	$	1.1		$	1.0		$	19.4		$	17.3
Capital expenditures		5.1		4.7		13.2		10.6		6.5		18.3		1.8			3.2			26.6			36.8