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Note 4 - Inventories
3 Months Ended
Mar. 31, 2019
Notes to Financial Statements  
Inventory Disclosure [Text Block]
NOTE
4
- INVENTORIES
 
LIFO inventories are stated at the lower of cost or market and all other inventories are stated at the lower of cost or net realizable value. Replacement cost approximates current cost and the excess over LIFO cost is approximately
$64.6
million and
$63.7
million at
March 31, 2019
and
December 
31,
2018,
respectively. Allowances for excess and obsolete inventory totaled
$5.2
million and
$5.3
million at
March 31, 2019
and
December 
31,
2018,
respectively. An actual valuation of inventory under the LIFO method is made at the end of each year based on the inventory levels and costs at that time. Interim LIFO calculations are based on management’s estimate of expected year-end inventory levels and costs, and are subject to the final year-end LIFO inventory valuation.
 
Inventories are comprised of the following:
 
Inventories, net:
 
March 31,
2019
   
December 31,
2018
 
Raw materials and in-process
 
  $
21,242
    $
21,773
 
Finished parts
 
   
52,809
     
54,209
 
Finished products
 
   
11,308
     
11,405
 
Total net inventories
 
  $
85,359
    $
87,387