Condensed Consolidated Statements Of Operations (USD $)
In Thousands, except Per Share data
3 Months Ended9 Months Ended
Sep. 24, 2011
Sep. 25, 2010
Sep. 24, 2011
Sep. 25, 2010
Condensed Consolidated Statements Of Operations    
Revenue$ 83,655$ 75,492$ 253,084$ 195,348
Cost of revenue:    
Products and services49,002[1]45,168[1]143,209[1]117,194[1]
Merger-related expenses  19,966 
Amortization of intangible assets2,8061,3607,5104,080
Total cost of revenue51,80846,528170,685121,274
Gross profit31,84728,96482,39974,074
Operating expenses:    
Research and development16,717[1]14,299[1]50,340[1]39,232[1]
Sales and marketing12,593[1]10,408[1]38,831[1]29,014[1]
General and administrative5,475[1]7,344[1]21,450[1]19,515[1]
Merger-related and other expenses (See Note 3)1,4042,13712,9272,137
Amortization of intangible assets2,5521856,016555
Total operating expenses38,74134,373129,56490,453
Loss from operations(6,894)(5,409)(47,165)(16,379)
Other income (expense):    
Interest income1112080297
Interest expense(48)(45)(139)(1,138)
Change in fair value of preferred stock warrants   (173)
Other income (expense)3546413
Net loss before provision for income taxes(6,896)(5,330)(47,160)(17,380)
Provision for income taxes3821176435
Net loss(6,934)(5,351)(47,336)(17,815)
Preferred stock dividends   900
Net loss attributable to common stockholders$ (6,934)$ (5,351)$ (47,336)$ (18,715)
Net loss per common share:    
Basic and diluted$ (0.15)$ (0.14)$ (1.06)$ (0.70)
Weighted average number of shares used to compute net loss per common share:    
Basic and diluted47,12837,34144,86626,751
[1] Includes stock-based compensation as follows: Three Months Ended Nine Months Ended September 24,2011 September 25,2010 September 24,2011 September 25,2010 Cost of revenue $ 306 $ 528 $ 1,141 $ 1,152 Research and development 886 1,758 3,761 4,014 Sales and marketing 1,127 1,353 3,256 3,034 General and administrative 1,407 3,855 7,845 9,282 Merger-related expenses 70 — 1,234 — $ 3,796 $ 7,494 $ 17,237 $ 17,482