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Inventories
9 Months Ended
Sep. 30, 2013
Inventory Disclosure [Abstract]  
Inventories
5.
Inventories
Inventories are valued at the lower of cost or market. Inventories at September 30, 2013 and December 31, 2012 consisted of the following:
 
September 30,
2013
 
December 31,
2012
Inventories carried at LIFO:
 
 
 
Finished goods
$
37,796

 
$
33,546

Raw materials, production parts and work-in-process
13,555

 
14,291

LIFO reserve
(27,608
)
 
(27,608
)
Total LIFO inventories
23,743

 
20,229

Inventories carried at FIFO:
 

 
 

Finished goods
31,582

 
25,623

Raw materials, production parts and work-in-process
12,065

 
12,284

Total FIFO inventories
43,647

 
37,907

Total inventories
$
67,390

 
$
58,136


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