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Other Financial Statement Information | 9 Months Ended
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Sep. 30, 2016
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Other Financial Statement Information | NOTE B – OTHER FINANCIAL STATEMENT INFORMATION Inventories – net
|  | September 30, 2016 |  |  | December 31, 2015 |
Finished products |  | $ | 34,891 |  |  | $ | 37,812 |
Work-in-process |  |  | 8,487 |  |  |  | 6,902 |
Raw materials |  |  | 39,363 |  |  |  | 34,854 |
|  |  | 82,741 |  |  |  | 79,568 |
Excess of current cost over LIFO cost |  |  | (3,219 | ) |  |  | (3,538 | )
Noncurrent portion of inventory |  |  | (5,857 | ) |  |  | (6,118 | )
|  | $ | 73,665 |  |  | $ | 69,912 |
Cost of inventories for certain material is determined using the last-in-first-out (LIFO) method and totaled approximately $29.0 million at September 30, 2016 and $26.8 million at December 31, 2015. An actual valuation of inventories under the LIFO method can be made only at the end of the year based on the inventory levels and costs at that time. Accordingly, interim LIFO calculations are based on management’s estimates of expected year-end inventory levels and costs. Because these estimates are subject to change and may be different than the actual inventory levels and costs at the end of the year, interim results are subject to the final year-end LIFO inventory valuation. During the three and nine months ended September 30, 2016, the net change in LIFO inventories resulted in a $.2 million and $.3 million benefit to Income before income taxes, respectively. During the three and nine months ended September 30, 2015, the net change in LIFO inventories resulted in a $.4 million benefit to Income before income taxes for each period. Noncurrent inventory is included in Other assets on the Consolidated Balance Sheets. Property, plant and equipment—net Major classes of Property, plant and equipment are stated at cost and were as follows:
|  | September 30, 2016 |  |  | December 31, 2015 |
Land and improvements |  | $ | 12,903 |  |  | $ | 12,260 |
Buildings and improvements |  |  | 73,739 |  |  |  | 71,711 |
Machinery and equipment |  |  | 158,980 |  |  |  | 137,599 |
Construction in progress |  |  | 3,868 |  |  |  | 3,369 |
|  |  | 249,490 |  |  |  | 224,939 |
Less accumulated depreciation |  |  | 142,163 |  |  |  | 132,974 |
|  | $ | 107,327 |  |  | $ | 91,965 |
Legal proceedings From time to time, the Company may be subject to litigation incidental to its business. The Company is not a party to any pending legal proceedings that the Company believes would, individually or in the aggregate, have a material adverse effect on its financial condition, results of operations, or cash flows.

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