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Inventories, Net (Tables) | 6 Months Ended
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Jun. 30, 2015
Inventory Disclosure [Abstract] |
Inventories, Net |
| December 31, 2014 |  |  | June 30, 2015 |
| (In millions) |
Raw materials: |  |  |  |  |  |  |
Chemicals | $ | 76.0 |  |  | $ | 79.5 |
Component products |  | 3.4 |  |  |  | 3.5 |
Total raw materials |  | 79.4 |  |  |  | 83.0 |
Work in process: |  |  |  |  |  |  |
Chemicals |  | 32.9 |  |  |  | 30.8 |
Component products |  | 10.3 |  |  |  | 10.3 |
Total in-process products |  | 43.2 |  |  |  | 41.1 |
Finished products: |  |  |  |  |  |  |
Chemicals |  | 253.2 |  |  |  | 229.9 |
Component products |  | 3.2 |  |  |  | 2.3 |
Total finished products |  | 256.4 |  |  |  | 232.2 |
Supplies (primarily chemicals) |  | 64.0 |  |  |  | 62.1 |
Total | $ | 443.0 |  |  | $ | 418.4 |

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- Definition Tabular disclosure of the carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6361739&loc=d3e7789-107766 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 2 -Paragraph 6 -Subparagraph a,b,c -Article 5 + Details
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