Inventories (Tables)

6 Months Ended

Jun. 30, 2012

Inventory Disclosure [Abstract]

Composition of Inventories

The composition of inventories was as follows:

	June 30, 2012			December 31, 2011
Raw materials and component parts	$	38,825		$	32,009
Work-in-process	3,093			4,916
Finished goods	62,160			61,795
Subtotal	104,078			98,720
LIFO reserve	(2,839		)	(2,709		)
Total	$	101,239		$	96,011