Employee Benefit Plans (Tables)

6 Months Ended

Jul. 01, 2012

Employee Benefits and Share-based Compensation [Abstract]

Schedule Of Stock Option Activity

Option Activity

Stock options activity during the six months ended July 1, 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	1,059		34.12
Cancelled and expired	(251	)	29.48
Exercised	(286	)	22.13
July 1, 2012	4,472		$	28.88

Schedule Of RSU Activity

RSU Activity

RSU activity during the six months ended July 1, 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	(100	)	29.14
RSUs cancelled	(9	)	30.59
July 1, 2012	118		$	28.17

Schedule Of Valuation And Expense Information

The weighted average assumptions for option grants for the three and six months ended July 1, 2012 and July 3, 2011 based on its historical experience.

	Three Months Ended				Six Months Ended
	July 1, 2012		July 3, 2011		July 1, 2012		July 3, 2011
Expected life (in years)	4.4		4.4		4.4		4.4
Risk-free interest rate	0.62% - 0.71%		1.73	%	0.58% - 0.91%		1.80	%
Expected volatility	52.1	%	50.0	%	52.1	%	50.0	%
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				Six Months Ended
	July 1, 2012		July 3, 2011		July 1, 2012		July 3, 2011
Cost of revenue	$	278	$	243	$	548	$	478
Research and development	677		606		1,288		1,267
Sales and marketing	1,191		1,384		2,385		2,685
General and administrative	1,249		1,275		2,566		2,450
Total stock-based compensation	$	3,395	$	3,508	$	6,787	$	6,880