Employee Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2012

Employee Benefits and Share-based Compensation [Abstract]

Schedule Of Stock Option Activity

Option Activity

Stock options activity during the nine months ended September 30, 2012, was as follows:

	Options Outstanding
	Number of shares		Weighted Average Exercise Price Per Share
	(in thousands)		(in dollars)
December 31, 2011	3,950		$	27.03
Granted	1,272		33.81
Cancelled and expired	(313	)	30.34
Exercised	(472	)	22.79
September 30, 2012	4,437		$	29.19

Schedule Of RSU Activity

RSU Activity

RSU activity during the nine months ended September 30, 2012, was as follows:

	RSUs Outstanding
	Number of shares		Weighted Average Grant Date Fair Value Per Share
	(in thousands)		(in dollars)
December 31, 2011	177		$	27.86
RSUs granted	50		31.64
RSUs vested	(103	)	29.19
RSUs cancelled	(9	)	30.59
September 30, 2012	115		$	28.10

Schedule Of Valuation And Expense Information

The following table sets forth the assumptions used to fair value option grants during the three and nine months ended September 30, 2012 and October 2, 2011 based on its historical experience.

	Three Months Ended				Nine Months Ended
	September 30, 2012		October 2, 2011		September 30, 2012	October 2, 2011
Expected life (in years)	4.4		4.3		4.3 - 4.4	4.3 - 4.4
Risk-free interest rate	0.48	%	1.09	%	0.48% - 0.91%	1.09% - 1.87%
Expected volatility	52.3	%	50.7	%	52.1% - 52.5%	49.9% - 50.7%
Dividend yield	—		—		—	—

Schedule Of Total Stock-Based Compensation Expense Resulting From Stock Options, Restricted Stock Awards, And The Employee Stock Purchase Plan

The following table sets forth the total stock-based compensation expense resulting from stock options, RSUs and the ESPP included in the Company’s unaudited condensed consolidated statements of operations (in thousands):

	Three Months Ended				Nine Months Ended
	September 30, 2012		October 2, 2011		September 30, 2012		October 2, 2011
Cost of revenue	$	473	$	259	$	1,021	$	737
Research and development	778		606		2,066		1,873
Sales and marketing	1,238		1,264		3,623		3,949
General and administrative	1,530		1,325		4,096		3,775
Total stock-based compensation	$	4,019	$	3,454	$	10,806	$	10,334