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Acquisition - Additional Information (Detail) - USD ($) $ in Thousands |  | 3 Months Ended | 6 Months Ended
--- | --- | --- | ---
Oct. 01, 2014 | Jun. 30, 2015 | Jun. 30, 2014 | Jun. 30, 2015 | Jun. 30, 2014
Business Acquisition [Line Items] |  |  |  |  |
Revenue |  | $ 411,518 | $ 446,131 | $ 831,055 | $ 907,114
Spezialpapierfabrik Oberschmitten GmbH [Member] |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Date of acquisition |  |  |  | Oct. 01, 2014 |
Payment made for acquisition | $ 8,000 |  |  |  |
Revenue | $ 33,000 |  |  |  |

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- Definition The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3213-108585 + Details
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