Inventory (Tables)

12 Months Ended

Dec. 31, 2012

Inventory

Schedule of inventory

	As of December 31,
	2012		2011
	(In thousands)
Finished goods	$	57,540	$	49,038
Raw materials	19,041		11,212
Work-in-process	7,767		8,457
Total inventory	$	84,348	$	68,707