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Inventories
12 Months Ended
Dec. 31, 2014
Inventory Disclosure [Abstract]  
Inventories
INVENTORIES
 
      Inventories valued at LIFO represented 37% and 55% of total inventory for the years ended December 31, 2014 and 2013, respectively. The excess of current costs over LIFO-valued inventories was $10,230,000 and $9,483,000 on December 31, 2014 and December 31, 2013, respectively. (The $747,000 increase in LIFO reserve during 2014 came from reductions in inventory levels within U.S. operations. The impact of the application of the LIFO method on the Statement of Income for the years ended December 31, 2014, was an increase to cost of sales of $747,000, and an increase in 2013 of $508,000 and an decrease in 2012 of $484,000.) Inventories consisted of the following on a cost basis, net of reserves:
 
 
December 31,
(in thousands)
 
2014
 
2013
Finished goods and parts
 
$
112,197

 
$
84,548

Work in process
 
18,635

 
9,906

Raw materials
 
35,256

 
14,650

 
 
$
166,088

 
$
109,104