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Background (Details) unit in Millions | 6 Months Ended |  |
--- | --- | --- | ---
Jun. 30, 2017 unit segment $ / shares | Dec. 31, 2016 $ / shares | May 15, 2016 $ / shares
Business Combination, Consideration Transferred |  |  |
Activated carbon units, count | unit | 750 |  |
Number of business segments | segment | 2 |  |
Common stock, par value (usd per share) | $ 0.01 | $ 0.01 | $ 0.01
WestRock, Rock-Tenn and MWV |  |  |
Business Combination, Consideration Transferred |  |  |
Common stock, par value (usd per share) |  |  | $ 0.01

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- Definition Face amount or stated value per share of common stock. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Details
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