CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Product revenues	$ 448,340	$ 477,346	$ 370,783
Service revenues	82,124	71,986	52,561
Total net revenues	530,464	549,332	423,344
Product cost of revenues	250,800	256,230	201,057
Service cost of revenues	43,109	38,588	26,886
Total cost of revenues	293,909	294,818	227,943
Gross profit	236,555	254,514	195,401
Operating expenses:
Research and development	106,219	102,732	77,197
Selling, general and administrative	130,938	131,091	108,150
Amortization of intangibles	8,705	8,918	4,912
Total operating expenses	245,862	242,741	190,259
Income (loss) from operations	(9,307)	11,773	5,142
Interest income, net	515	374	1,082
Other expense, net	(293)	(514)	(785)
Income (loss) before income taxes	(9,085)	11,633	5,439
Provision for income taxes	1,852	2,854	9,774
Net income (loss)	$ (10,937)	$ 8,779	$ (4,335)
Net income (loss) per share:
Basic	$ (0.09)	$ 0.08	$ (0.04)
Diluted	$ (0.09)	$ 0.08	$ (0.04)
Weighted average shares:
Basic	116,457	115,175	101,487
Diluted	116,457	116,427	101,487