CONDENSED CONSOLIDATED BALANCE SHEETS (unaudited) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 26,732	$ 201,937
Restricted cash	682	692
Available-for-sale securities-short-term portion	2,239	7,937
Accounts receivable, net	53,360	44,021
Inventories	91,966	42,851
Deferred tax assets-short-term portion	342	364
Property and equipment, net-held for sale	9,000	9,000
Prepaid expenses and other current assets	14,522	7,785
Total current assets	198,843	314,587
Available-for-sale securities-long-term portion	7,912	54,501
Property and equipment, net	34,142	30,583
Intangible assets, net	184,857	29,525
Goodwill	140,325	0
Deferred tax assets-long-term portion	5,806	450
Other long-term assets	17,044	8,369
Total assets	588,929	438,015
Current liabilities:
Accounts payable and accrued liabilities	54,658	44,774
Term loan-short-term portion	6,375	0
Deferred revenue-short-term portion	10,806	9,852
Total current liabilities	71,839	54,626
Deferred revenue-long-term portion	3,727	3,959
Other long-term liabilities	23,703	9,127
Convertible notes	105,000	95,469
Term loan-long-term portion	78,625	0
Stockholders' equity:
Common stock	706	704
Additional paid-in capital	755,000	750,332
Accumulated other comprehensive income	2,349	2,492
Accumulated deficit	(452,020)	(478,694)
Total stockholders' equity	306,035	274,834
Total liabilities and stockholders' equity	$ 588,929	$ 438,015