Share-Based Compensation (Tables)

9 Months Ended

Mar. 29, 2013

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Total share-based compensation expense was as follows (in thousands):



	Three Months Ended				Nine Months Ended
	March 29, 2013		March 30, 2012		March 29, 2013		March 30, 2012
Cost of revenue	$	391	$	368	$	1,262	$	1,035
Research and development	619		526		1,746		1,548
Sales and marketing	473		458		1,282		1,258
General and administrative	1,326		2,264		3,526		4,084
Total share-based compensation expense	$	2,809	$	3,616	$	7,816	$	7,925

Weighted-average assumptions used in calculation of fair value of certain share-based awards

The fair value of share-based awards was estimated using the Black-Scholes option-pricing model with the following weighted-average assumptions for the following periods:



	Three Months Ended						Nine Months Ended
	March 29, 2013			March 30, 2012			March 29, 2013			March 30, 2012
Option Plans Shares
Risk-free interest rate	0.8		%	0.8		%	0.7		%	1		%
Volatility	65.1		%	63.8		%	66.1		%	70.0		%
Weighted average expected life (in years)	5.00			4.76			5.00			4.73
Expected dividend yield	—			—			—			—
Weighted average fair value	$	5.66		$	5.36		$	4.83		$	7.17

ESPP Plan shares
Risk-free interest rate	0.2		%	0.2		%	0.2		%	0.2		%
Volatility	82.6		%	76.1		%	83.0		%	78.4		%
Weighted average expected life (in years)	1.25			1.25			1.25			1.25
Expected dividend yield	—			—			—			—
Weighted average fair value	$	5.77		$	4.37		$	4.75		$	5.38

Summary of stock option activity

A summary of stock option activity for the nine months ended March 29, 2013 was as follows:



	Options Outstanding
	Shares		Weighted Average Exercise Price		Weighted Average Remaining Contractual term in years	Aggregate Intrinsic Value
						(in thousands)
Balance at June 29, 2012	3,703,660		$	10.79
Options granted	154,000		8.87
Options exercised	(1,215,356	)	10.74
Options cancelled	(215,661	)	12.40
Balance at March 29, 2013	2,426,643		$	10.55	6.96	$	9,503
Vested and expected to vest at March 29, 2013	2,271,522		$	10.57	6.85	$	8,818
Exercisable at March 29, 2013	1,472,902		$	10.91	5.92	$	5,827

Summary of RSA activity

The following table summarizes the Company's activity with respect to restricted stock units (“RSUs”) for the nine months ended March 29, 2013:



	Number of Shares
Balance at June 29, 2012	918,764
Awarded	950,139
Released	(295,118	)
Forfeited	(117,250	)
Balance at March 29, 2013	1,456,535
Vested and expected to vest at March 29, 2013	1,128,162

Summary of number and value of shares netted for employee taxes

The number and the value of the shares withheld for tax purposes are summarized in the table below (in thousands except share amounts):



	Three Months Ended				Nine Months Ended
	March 29, 2013		March 30, 2012		March 29, 2013		March 30, 2012
RSUs shares withheld for taxes	66,254		22,673		113,399		79,730
RSUs amounts withheld for taxes	$	995	$	222	$	1,371	$	1,040

Shares issued and weighted-average purchase price for Employee Stock Purchase Plan

The following table shows the shares issued and their respective weighted-average purchase price per share, pursuant to the ESPP, during the three and nine months ended March 29, 2013 and March 30, 2012. Beginning in February 2013, the Company offered this benefit to employees in various international locations. Prior to that, the ESPP was offered primarily to employees located in the U.S.



	Three Months Ended				Nine Months Ended
	March 29, 2013		March 30, 2012		March 29, 2013		March 30, 2012
Shares issued	256,972		248,785		485,707		508,132
Weighted-average purchase price per share	$	6.76	$	6.87	$	7.09	$	6.42