Stock-Based Compensation (Tables)

6 Months Ended

Jun. 29, 2012

Stock-Based Compensation [Abstract]

Stock-based compensation in

The following table summarizes stock-based compensation costs in our Statements of Operations for the three and six months ended June 29, 2012 and July 1, 2011:

	Three months ended					Six months ended
	June 29, 2012		July 1, 2011			June 29, 2012		July 1, 2011
	(In thousands)
Stock-based compensation in:
Cost of revenue	$	805	$	762		$	1,599	$	1,509
Research and development expense		1,711		1,771			3,435		3,607
Selling, general and administrative expense		2,186		2,559			4,468		5,978
Total stock-based compensation in operating expense		3,897		4,330			7,903		9,585
Total stock-based compensation		4,702		5,092			9,502		11,094
Amount capitalized in inventory		—		(14	)		—		—
Total stock-based compensation	$	4,702	$	5,078		$	9,502	$	11,094

Valuation assumptions for stock options

	Three months ended						Six months ended
	June 29, 2012			July 1, 2011			June 29, 2012			July 1, 2011
Expected term (years)		4.70			4.75			4.70			4.75
Volatility		54	%		52	%		57	%		54	%
Risk-free interest rate		0.9	%		2.5	%		1.0	%		2.1	%
Expected dividends		0.0	%		0.0	%		0.0	%		0.0	%

Employee Stock Purchase Plan

	Three months ended						Six months ended
	June 29, 2012			July 1, 2011			June 29, 2012			July 1, 2011
Expected term (years)		0.5			0.5			0.5			0.5
Volatility		54	%		43	%		54	%		43	%
Risk-free interest rate		0.2	%		0.3	%		0.2	%		0.3	%
Expected dividends		0.0	%		0.0	%		0.0	%		0.0	%