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Stock-Based Compensation Plans (Tables)
 12 Months Ended
Mar. 30, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Stock-Based compensation expense
The following table summarizes stock-based compensation expense related to stock awards granted under the Company’s equity incentive plans and rights to acquire stock granted under the Company’s Employee Stock Purchase Plan (ESPP):
(In thousands)
March 30, 2013

March 31, 2012

April 2, 2011
Stock-based compensation included in:



 

Cost of revenues
$
6,356


$
5,630

 
$
4,825

Research and development
37,937


32,310

 
28,780

Selling, general and administrative
33,569


29,478

 
26,653

Stock-based compensation effect on income before taxes
77,862


67,418


60,258

Income tax effect
(22,137
)

(19,214
)

(18,561
)
Net stock-based compensation effect on net income
$
55,725


$
48,204

 
$
41,697
Stock options, valuation assumptions
These fair values per share were estimated at the date of grant using the following weighted-average assumptions:
 
 
Stock Options
 
 
Employee Stock Purchase Plan

2013

2012

2011
 

2013

2012

2011
Expected life of options (years)
4.9

5.1
 
5.1
 

1.3

1.3

1.3
Expected stock price volatility
28%

31%
 
35%
 

26%

29%

31%
Risk-free interest rate
0.7%

1.1%
 
1.8%
 

0.2%

0.2%
 
0.3%
Dividend yield
2.6%

2.4%
 
2.5%
 

2.7%

2.4%
 
2.3%
Summary of restricted stock unit activity and related information
The per share weighted-average fair value of RSUs granted during fiscal 2013, 2012 and 2011 were $31.58, $33.69 and $25.14, respectively. The weighted average fair value of RSUs granted in fiscal 2013, 2012 and 2011 were calculated based on estimates at the date of grant using the following weighted-average assumptions: 

2013

2012

2011
Risk-free interest rate
0.4
%

0.7
%
 
1.0
%
Dividend yield
2.7
%

2.2
%
 
2.5
%
Stock options, vested and expected to vest, outstanding
Options outstanding that have vested and are expected to vest in future periods as of March 30, 2013 are as follows:
(Shares and intrinsic value in thousands)

Number of Shares

Weighted-Average Exercise Price Per Share

Weighted-Average Remaining Contractual Term (Years)

Aggregate Intrinsic Value (1)
Vested (i.e., exercisable)

11,639


$28.07

2.37

$
122,051

Expected to vest

1,046


$27.46

4.55

$
11,228

Total vested and expected to vest

12,685


$28.02

2.55

$
133,279










Total outstanding

12,753


$28.01

2.56

$
134,136



(1)
These amounts represent the difference between the exercise price and $38.17, the closing price per share of Xilinx’s stock on March 30, 2013, for all in-the-money options outstanding.
Shares available for grant under stock option plan
A summary of shares available for grant under the 2007 Equity Plan is as follows:
(Shares in thousands)

Shares Available for Grant
April 3, 2010

12,322

Additional shares reserved

4,500

Stocks options granted

(2,345
)
Stock options cancelled

365

RSUs granted

(2,043
)
RSUs cancelled

365

April 2, 2011

13,164

Additional shares reserved

4,500

Stocks options granted

(207
)
Stock options cancelled

70

RSUs granted

(2,977
)
RSUs cancelled

358

March 31, 2012

14,908

Additional shares reserved

3,500

Stocks options granted

(92
)
Stock options cancelled

209

RSUs granted

(3,018
)
RSUs cancelled

483

March 30, 2013

15,990
Stock options outstanding and exercisable under stock option plans, by exercise price range
The following information relates to options outstanding and exercisable under the Option Plans as of March 30, 2013:


Options Outstanding

Options Exercisable




Weighted-

Weighted-



Weighted-
(Shares in thousands)



Average

Average



Average




Remaining

Exercise



Exercise


Options

Contractual Term

Price Per

Options

Price Per
Range of Exercise Prices

Outstanding

(Years)

Share

Exercisable

Share
$15.95 - $19.79

169


2.93

$18.19

167


$18.18
$20.14 - $29.93

9,134


2.91

$24.29

8,336


$24.24
$30.04 - $38.51

1,209


2.76

$34.89

895


$35.27
$40.11 - $41.81

2,241


1.01

$40.19

2,241


$40.19


12,753


2.56

$28.01

11,639


$28.07
Employee Stock Option [Member]
  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Summary of restricted stock unit activity and related information
A summary of the Company’s RSU activity and related information is as follows:
 
 
RSUs Outstanding
(Shares and intrinsic value in thousands)
Number of Shares

Weighted-Average Grant-Date Fair Value Per Share

Weighted Average Remaining Contractual Term (Years)

Average Intrinsic Value (1)
April 3, 2010
3,652


$
21.70

 
 
 
 
Granted
2,043


$
25.14

 
 
 
 
Vested (2)
(1,192
)

$
22.23

 
 
 
 
Cancelled
(288
)

$
21.99

 
 
 
 
April 2, 2011
4,215


$
23.19

 
 
 
 
Granted
2,977


$
33.69

 
 
 
 
Vested (2)
(1,543
)

$
23.11

 
 
 
 
Cancelled
(410
)

$
25.18

 
 
 
 
March 31, 2012
5,239


$
29.01

 
 
 
 
Granted
3,018


$
31.58






Vested (2)
(1,778
)

$
27.01






Cancelled
(483
)

$
29.69






March 30, 2013
5,996


$
30.83


2.53

$
228,883












Expected to vest as of March 30, 2013
5,475


$
30.92


2.50

$
208,967


(1)
Aggregate intrinsic value for RSUs represents the closing price per share of Xilinx’s stock on March 30, 2013 of $38.17, multiplied by the number of RSUs outstanding or expected to vest as of March 30, 2013.
(2)
The number of RSUs vested includes shares that the Company withheld on behalf of employees to satisfy the statutory tax withholding requirements.
Summary of option plans activity
A summary of the Company’s Option Plans activity and related information is as follows:
 
 
Options Outstanding
(Shares in thousands)
Number of Shares

Weighted-Average Exercise Price Per Share
April 3, 2010
31,026


$
30.51

Granted
2,345


$
26.36

Exercised
(5,704
)

$
25.42

Forfeited/cancelled/expired
(2,698
)

$
50.69

April 2, 2011
24,969


$
29.11

Granted
207


$
34.79

Exercised
(3,622
)

$
24.70

Forfeited/cancelled/expired
(3,766
)

$
37.35

March 31, 2012
17,788


$
28.32

Granted
92


$
33.83

Exercised
(3,564
)

$
24.68

Forfeited/cancelled/expired
(1,563
)

$
39.54

March 30, 2013
12,753


$
28.01

Options exercisable at:



March 30, 2013
11,639


$
28.07

March 31, 2012
15,349


$
28.78