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Revenue - Summary of Disaggregated Information Pertaining to Net Sales (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2018 | Sep. 30, 2017 | Sep. 30, 2018 | Sep. 30, 2017
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | $ 209,855 | $ 210,120 | $ 636,806 | $ 591,035
Product [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 209,855 | 210,120 | 636,806 | 591,035
Composite Fibers [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 139,176 | 142,349 | 423,707 | 400,590
Composite Fibers [Member] | Europe, Middle East and Africa [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 87,870 | 91,944 | 274,442 | 259,532
Composite Fibers [Member] | Asia Pacific [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 21,101 | 24,207 | 66,020 | 64,324
Composite Fibers [Member] | Americas [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 30,205 | 26,198 | 83,245 | 76,734
Composite Fibers [Member] | Food & Beverage [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 68,534 | 66,539 | 209,117 | 194,575
Composite Fibers [Member] | Wallcovering [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 26,135 | 28,365 | 82,056 | 76,993
Composite Fibers [Member] | Technical Specialties [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 20,615 | 21,309 | 63,182 | 56,692
Composite Fibers [Member] | Composite Laminates [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 10,544 | 10,558 | 28,902 | 28,652
Composite Fibers [Member] | Metallized [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 13,348 | 15,578 | 40,450 | 43,678
Advanced Airlaid Materials [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 70,679 | 67,771 | 213,099 | 190,445
Advanced Airlaid Materials [Member] | Europe, Middle East and Africa [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 35,283 | 36,025 | 107,416 | 98,158
Advanced Airlaid Materials [Member] | Asia Pacific [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 497 | 449 | 1,656 | 1,058
Advanced Airlaid Materials [Member] | Americas [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 34,899 | 31,297 | 104,027 | 91,229
Advanced Airlaid Materials [Member] | Feminine Hygiene [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 46,054 | 46,623 | 141,464 | 133,550
Advanced Airlaid Materials [Member] | Specialty Wipes [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 11,104 | 8,899 | 29,366 | 21,941
Advanced Airlaid Materials [Member] | Adult Incontinence [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 5,036 | 3,761 | 14,658 | 10,625
Advanced Airlaid Materials [Member] | Home Care [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 4,009 | 3,715 | 11,911 | 9,642
Advanced Airlaid Materials [Member] | Other [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | $ 4,476 | $ 4,773 | $ 15,700 | $ 14,687

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