v2.4.0.6

Stock-Based Compensation (Tables) | 12 Months Ended
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Dec. 29, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Assumption of stock option's fair value | The weighted-average fair value calculations are based on the following average assumptions:
| Fiscal Year 2012 |  | Fiscal Year 2011 |  | Fiscal Year 2010
Stock Options: |  |  |  |  |
Expected life | 4.5 years |  | 4.5 years |  | 4.5 years
Volatility | 77.3% |  | 77.0% |  | 74.2%
Risk free interest rate | 0.80% |  | 1.82% |  | 2.04%
Dividends | — |  | — |  | —
Employee Stock Purchase Plan: |  |  |  |  |
Expected life | 0.5 years |  | 0.5 years |  | 0.5 years
Volatility | 45.5% |  | 73.4% |  | 80.3%
Risk free interest rate | 0.12% |  | 0.19% |  | 0.20%
Dividends | — |  | — |  | —
Significant ranges of outstanding and exercisable options | The following table summarizes significant ranges of outstanding and exercisable options as of December 29, 2012.
Exercise Prices | Options Outstanding |  | Options Exercisable
Number Outstanding |  | Weighted Average Remaining Contractual Life (Years) |  | Weighted Average Exercise Price |  | Number Exercisable |  | Weighted Average Exercise Price
$0.93-$2.71 | 212,592 |  |  | 2.75 |  |  | $ | 1.35 |  |  | 212,592 |  |  | $ | 1.35 |
$5.25-$7.50 | 229,259 |  |  | 3.48 |  |  | $ | 7.13 |  |  | 229,259 |  |  | $ | 7.13 |
$7.78-$10.21 | 152,130 |  |  | 2.81 |  |  | $ | 9.26 |  |  | 121,151 |  |  | $ | 9.18 |
$10.46-$10.46 | 206,280 |  |  | 4.30 |  |  | $ | 10.46 |  |  | 106,756 |  |  | $ | 10.46 |
$10.83-$11.37 | 212,518 |  |  | 4.79 |  |  | $ | 11.30 |  |  | 123,872 |  |  | $ | 11.25 |
$11.63-$15.21 | 205,997 |  |  | 5.04 |  |  | $ | 13.74 |  |  | 87,966 |  |  | $ | 13.12 |
$15.31-$16.16 | 213,464 |  |  | 4.52 |  |  | $ | 15.85 |  |  | 141,573 |  |  | $ | 15.92 |
$16.41-$16.59 | 26,400 |  |  | 5.46 |  |  | $ | 16.52 |  |  | 10,077 |  |  | $ | 16.52 |
$16.70-$16.70 | 351,079 |  |  | 5.22 |  |  | $ | 16.70 |  |  | 145,755 |  |  | $ | 16.70 |
$17.23-$19.84 | 210,600 |  |  | 6.01 |  |  | $ | 18.35 |  |  | 44,455 |  |  | $ | 18.53 |
$0.93-$19.84 | 2,020,319 |  |  | 4.44 |  |  | $ | 12.01 |  |  | 1,223,456 |  |  | $ | 10.11 |
Stock-based compensation expense for all share-based payment awards | Stock-based compensation expense for all share-based payment awards made to the Company’s employees and directors pursuant to the employee stock option and employee stock purchase plans by function were as follows (in thousands):
| Fiscal Year 2012 |  | Fiscal Year 2011 |  | Fiscal Year 2010
Cost of products | $ | 164 |  |  | $ | 176 |  |  | $ | 126 |
Cost of service | 230 |  |  | 218 |  |  | 206 |
Research and development | 1,220 |  |  | 984 |  |  | 514 |
Selling | 1,791 |  |  | 1,366 |  |  | 596 |
General and administrative | 2,485 |  |  | 1,729 |  |  | 1,508 |
Total stock-based compensation expense related to employee stock options and employee stock purchases | $ | 5,890 |  |  | $ | 4,473 |  |  | $ | 2,950 |
Stock Options and Restricted Stock Units [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Stock option plans activity | A summary of activity under the Company’s stock option plans including options and RSUs during fiscal year 2012, and shares available for grant at December 29, 2012 is as follows:
| Shares Available for Grant (Options and RSUs)
Options and RSUs |
Shares available for grant at December 31, 2011 | 1,391,930 |
Options granted | (281,085 | )
Options cancelled | 139,376 |
RSUs granted | (103,554 | )
RSUs canceled | — |
Plan shares expired | (53,102 | )
Shares available for grant at December 29, 2012 | 1,093,565 |
Stock Options [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Stock option plans activity | A summary of activity of stock options in 2012 is as follows:
| Number of Shares Outstanding (Options) |  | Weighted Average Exercise Price |  | Weighted Average Remaining Contractual Term (Years) |  | Aggregate Intrinsic Value (in Thousands)
Options |  |  |  |  |  |  |
Outstanding at December 31, 2011 | 2,348,162 |  |  | $ | 10.53 |  |  | 4.86 |  |  | — |
Exercised | (469,552 | ) |  | 6.52 |  |  | — |  |  | — |
Granted | 281,085 |  |  | 16.74 |  | — |  |  | — |
Cancelled | (139,376 | ) |  | 15.07 |  | — |  |  | — |
Outstanding at December 29, 2012 | 2,020,319 |  |  | $ | 12.01 |  |  | 4.44 |  |  | $ | 6,770 |
Exercisable at December 29, 2012 | 1,223,456 |  |  | $ | 10.11 |  |  | 3.81 |  |  | $ | 5,931 |
Restricted Stock Units (RSUs) [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Stock option plans activity | A summary of activity for RSUs is as follows:
RSU | Number of RSU | Weighted Average Fair Value as of December 29, 2012
Outstanding RSU as of December 31, 2011 | 300,058 |  | $ | 15.30 |
Granted | 51,777 |  | 17.79 |
Released | (116,673 | ) | 14.88 |
Cancelled | — |  | — |
Outstanding RSU as of December 29, 2012 | 235,162 |  | $ | 16.32 |

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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of employee stock purchase plans, including, but not limited to: (a) expected term, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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