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Inventories
12 Months Ended
Dec. 31, 2014
Inventory Disclosure [Abstract]  
Inventories
5.
Inventories
Inventories as of December 31, consisted of the following:
 
2014
 
2013
Inventories carried at LIFO:
 
 
 
Finished goods
$
41,687

 
$
36,238

Raw materials, production parts and work-in-process
24,458

 
13,922

LIFO reserve
(28,166
)
 
(27,463
)
Total LIFO inventories
37,979

 
22,697

Inventories carried at FIFO:
 
 
 
Finished goods
29,851

 
31,489

Raw materials, production parts and work-in-process
12,681

 
12,720

Total FIFO inventories
42,532

 
44,209

Total Inventories
$
80,511

 
$
66,906


The LIFO reserve approximates the difference between LIFO carrying cost and FIFO.