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v3.19.1

Segment Information - Schedule of Financial and Other Information by Business Unit (Detail) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2019 USD ($) T | Mar. 31, 2018 USD ($) T
Segment Reporting Information [Line Items] |  |
Net sales | $ 229,133 | $ 211,207
Type of Revenue [Extensible List] | us-gaap:ProductMember | us-gaap:ProductMember
Cost of products sold | $ 193,516 | $ 174,647
Type of Cost, Good or Service [Extensible List] | us-gaap:ProductMember | us-gaap:ProductMember
Gross profit | $ 35,617 | $ 36,560
SG&A | 24,622 | 29,931
(Gains) losses on dispositions of plant, equipment and timberlands, net | (669) | (1,116)
Operating income | 11,664 | 7,745
Non-operating expense | (5,203) | (3,719)
Income from continuing operations before income taxes | $ 6,461 | $ 4,026
Supplementary Data |  |
Net tons sold | T | 64,700 | 60,100
Depreciation, depletion and amortization | $ 12,788 | $ 11,336
Capital expenditures | 5,900 | 20,100
Composite Fibers [Member] |  |
Segment Reporting Information [Line Items] |  |
Net sales | 128,717 | $ 141,598
Type of Revenue [Extensible List] |  | us-gaap:ProductMember
Cost of products sold | 106,600 | $ 114,700
Type of Cost, Good or Service [Extensible List] |  | us-gaap:ProductMember
Gross profit | 22,100 | $ 26,900
SG&A | 10,800 | 11,600
Operating income | 11,300 | 15,300
Income from continuing operations before income taxes | $ 11,300 | $ 15,300
Supplementary Data |  |
Net tons sold | T | 31,500 | 36,300
Depreciation, depletion and amortization | $ 6,700 | $ 7,400
Capital expenditures | 3,200 | 5,100
Advanced Airlaid Materials [Member] |  |
Segment Reporting Information [Line Items] |  |
Net sales | $ 100,416 | $ 69,609
Type of Revenue [Extensible List] | us-gaap:ProductMember | us-gaap:ProductMember
Cost of products sold | $ 86,000 | $ 59,700
Type of Cost, Good or Service [Extensible List] | us-gaap:ProductMember | us-gaap:ProductMember
Gross profit | $ 14,400 | $ 9,900
SG&A | 4,400 | 2,700
Operating income | 10,000 | 7,200
Income from continuing operations before income taxes | $ 10,000 | $ 7,200
Supplementary Data |  |
Net tons sold | T | 33,200 | 23,800
Depreciation, depletion and amortization | $ 5,300 | $ 2,800
Capital expenditures | $ 2,200 | $ 13,200
Other and Unallocated [Member] |  |
Segment Reporting Information [Line Items] |  |
Type of Revenue [Extensible List] | us-gaap:ProductMember | us-gaap:ProductMember
Cost of products sold | $ 900 | $ 200
Type of Cost, Good or Service [Extensible List] | us-gaap:ProductMember | us-gaap:ProductMember
Gross profit | $ (900) | $ (200)
SG&A | 9,400 | 15,600
(Gains) losses on dispositions of plant, equipment and timberlands, net | (700) | (1,100)
Operating income | (9,600) | (14,800)
Non-operating expense | (5,200) | (3,700)
Income from continuing operations before income taxes | (14,800) | (18,500)
Supplementary Data |  |
Depreciation, depletion and amortization | 800 | 1,100
Capital expenditures | $ 500 | $ 1,800

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