Inventories (Tables)

12 Months Ended

Dec. 31, 2012

Components of Inventories

The components of inventories are as follows (in thousands):

	As of
	December 31, 2012		December 31, 2011
Raw material	$	31,350	$	45,795
Work in process		921		872
Deferred costs of long-term contracts		604		220
Finished goods		104,137		101,111
Total inventories, gross		137,012		147,998
Inventory reserves		(13,655)		(14,710)
Total inventories, net	$	123,357	$	133,288