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Revenue - Summary of Disaggregated Information Pertaining to Net Sales (Detail) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2019 | Jun. 30, 2018
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | $ 235,053 | $ 215,742 | $ 464,186 | $ 426,949
Product [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 235,053 | 215,742 | 464,186 | 426,949
Composite Fibers [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 132,581 | 142,934 | 261,298 | 284,531
Composite Fibers [Member] | Europe, Middle East and Africa [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 80,002 | 91,790 | 157,916 | 186,572
Composite Fibers [Member] | Americas [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 33,964 | 28,992 | 65,604 | 53,040
Composite Fibers [Member] | Asia Pacific [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 18,615 | 22,152 | 37,778 | 44,919
Composite Fibers [Member] | Food & Beverage [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 70,390 | 70,186 | 141,843 | 140,583
Composite Fibers [Member] | Wallcovering [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 22,958 | 27,789 | 41,508 | 55,921
Composite Fibers [Member] | Technical Specialties [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 19,266 | 21,609 | 38,554 | 42,567
Composite Fibers [Member] | Composite Laminates [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 9,218 | 8,960 | 17,693 | 18,358
Composite Fibers [Member] | Metallized [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 10,749 | 14,390 | 21,700 | 27,102
Advanced Airlaid Materials [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 102,472 | 72,808 | 202,888 | 142,418
Advanced Airlaid Materials [Member] | Europe, Middle East and Africa [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 55,206 | 35,905 | 109,645 | 72,133
Advanced Airlaid Materials [Member] | Americas [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 45,261 | 36,310 | 89,595 | 69,128
Advanced Airlaid Materials [Member] | Asia Pacific [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 2,005 | 593 | 3,648 | 1,157
Advanced Airlaid Materials [Member] | Feminine Hygiene [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 51,851 | 46,937 | 106,839 | 95,410
Advanced Airlaid Materials [Member] | Specialty Wipes [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 17,656 | 10,495 | 34,988 | 18,262
Advanced Airlaid Materials [Member] | Table Top [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 16,347 | 2,179 | 29,678 | 4,244
Advanced Airlaid Materials [Member] | Adult Incontinence [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 6,365 | 5,190 | 11,853 | 9,622
Advanced Airlaid Materials [Member] | Home Care [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 4,352 | 3,875 | 8,316 | 7,902
Advanced Airlaid Materials [Member] | Other [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | $ 5,901 | $ 4,132 | $ 11,214 | $ 6,978

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