Inventories (Tables)

3 Months Ended

Mar. 31, 2013

Inventory, Net [Abstract]

Schedule of inventories

The following is a summary of inventories held by the Company at March 31, 2013 and December 31, 2012 (in thousands):

	March 31, 2013		December 31, 2012
Raw materials	$	119,792	$	108,460
Work-in-process	69,127		59,763
Finished goods	195,838		189,415
Total	$	384,757	$	357,638