CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Jun. 27, 2014	Dec. 31, 2013
Current assets:
Cash and cash equivalents	$ 59,173	$ 90,329
Short-term investments	75,238	80,252
Accounts receivable, net	79,937	75,052
Inventories	30,170	36,926
Deferred income taxes	6,746	24,650
Prepaid expenses and other current assets	23,766	21,521
Total current assets	275,030	328,730
Property and equipment, net	32,781	34,945
Goodwill	198,099	198,022
Intangibles, net	18,252	31,119
Other assets	8,281	13,268
Total assets	532,443	606,084
Current liabilities:
Accounts payable	24,630	22,380
Income taxes payable	664	331
Deferred revenue	38,017	27,020
Accrued liabilities	33,676	35,349
Total current liabilities	96,987	85,080
Income taxes payable, long-term	12,734	15,165
Other non-current liabilities	17,913	11,673
Total liabilities	127,634	111,918
Commitments and contingencies (Note 15)
Stockholders’ equity:
Preferred stock, $0.001 par value, 5,000 shares authorized; no shares issued or outstanding	0	0
Common stock, $0.001 par value, 150,000 shares authorized; 92,475 and 99,413 shares issued and outstanding at June 27, 2014 and December 31, 2013, respectively	92	99
Additional paid-in capital	2,289,187	2,336,275
Accumulated deficit	(1,884,471)	(1,841,999)
Accumulated other comprehensive loss	1	(209)
Total stockholders’ equity	404,809	494,166
Total liabilities and stockholders’ equity	$ 532,443	$ 606,084