Inventories (Tables)

12 Months Ended

Dec. 31, 2012

Inventory Disclosure [Abstract]

Inventories

Inventories as of December 31, consisted of the following:

	2012			2011
Inventories carried at LIFO:
Finished goods	$	33,546		$	32,648
Raw materials, production parts and work-in-process	14,291			16,611
LIFO reserve	(27,608		)	(27,926		)
Total LIFO inventories	20,229			21,333
Inventories carried at FIFO:
Finished goods	25,623			31,912
Raw materials, production parts and work-in-process	12,284			12,667
Total FIFO inventories	37,907			44,579
Total Inventories	$	58,136		$	65,912