CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Sep. 26, 2014	Dec. 31, 2013
Current assets:
Cash and cash equivalents	$ 42,028	$ 90,329
Short-term investments	55,151	80,252
Accounts receivable, net	75,640	75,052
Inventories	32,512	36,926
Deferred income taxes	2,631	24,650
Prepaid expenses and other current assets	26,852	21,521
Total current assets	234,814	328,730
Property and equipment, net	30,814	34,945
Goodwill	198,007	198,022
Intangibles, net	12,740	31,119
Other assets	13,347	13,268
Total assets	489,722	606,084
Current liabilities:
Accounts payable	21,377	22,380
Income taxes payable	307	331
Deferred revenue	35,095	27,020
Accrued liabilities	31,043	35,349
Total current liabilities	87,822	85,080
Income taxes payable, long-term	4,199	15,165
Other non-current liabilities	17,554	11,673
Total liabilities	109,575	111,918
Commitments and contingencies (Note 16)
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; 88,408 and 99,413 shares issued and outstanding at September 26, 2014 and December 31, 2013, respectively	88	99
Additional paid-in capital	2,264,422	2,336,275
Accumulated deficit	(1,883,393)	(1,841,999)
Accumulated other comprehensive loss	(970)	(209)
Total stockholders’ equity	380,147	494,166
Total liabilities and stockholders’ equity	$ 489,722	$ 606,084