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Inventories | 12 Months Ended
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Dec. 31, 2016
Inventory Disclosure [Abstract] |
Inventories | Inventories The following table sets forth the components of inventory:
| December 31,
(In thousands) | 2016 |  | 2015
Finished products | $ | 54,348 |  |  | $ | 74,929 |
Work in process | 6,542 |  |  | 8,979 |
Raw materials and supplies | 84,069 |  |  | 85,643 |
Inventories at current cost | 144,959 |  |  | 169,551 |
Less: LIFO valuation | (41,893 | ) |  | (43,702 | )
Total inventories | $ | 103,066 |  |  | $ | 125,849 |
Inventories stated on the LIFO basis represent 25% and 23% of total inventories at December 31, 2016 and 2015, respectively. Reductions in certain inventory quantities during the years ended December 31, 2016 and 2015 resulted in liquidations of LIFO inventories carried at lower costs prevailing in prior years. The effect of LIFO liquidations during 2016 reduced cost of sales by $0.3 million and increased net income by $0.2 million. The effect of LIFO liquidations during 2015 reduced cost of sales by $1.4 million and increased net income by $0.9 million.

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- Definition The entire disclosure for inventory. Includes, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the classes of inventory, and the nature of the cost elements included in inventory. + 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 210.5-02.6) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: 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 + Details
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