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Note 12 Stock-Based Compensation | 12 Months Ended
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Sep. 28, 2013
Share-based Compensation [Abstract] |
Disclosure of Compensation Related Costs, Share-based Payments [Text Block] | Stock-Based Compensation Stock compensation expense was attributable to:
| Year Ended
| September 28, 2013 |  | September 29, 2012 |  | October 1, 2011
| (In thousands)
Stock options | $ | 10,506 |  |  | $ | 10,084 |  |  | $ | 13,293 |
Restricted stock units | 7,018 |  |  | 7,915 |  |  | 5,603 |
Total | $ | 17,524 |  |  | $ | 17,999 |  |  | $ | 18,896 |
Stock-based compensation expense was as follows:
| Year Ended
| September 28, 2013 |  | September 29, 2012 |  | October 1, 2011
| (In thousands)
Cost of sales | $ | 5,464 |  |  | $ | 4,504 |  |  | $ | 4,730 |
Selling, general & administrative | 11,942 |  |  | 13,363 |  |  | 13,070 |
Research & development | 118 |  |  | 132 |  |  | 182 |
Restructuring | — |  |  | — |  |  | 914 |
Total | $ | 17,524 |  |  | $ | 17,999 |  |  | $ | 18,896 |
Stock Options The Company's stock option plans provide employees the right to purchase common stock at the fair market value of such shares on the grant date. The Company recognizes compensation expense for such awards over the vesting period, which is generally four to five years. The contractual term of all options is ten years. The Company recognizes compensation expense ratably over the service period. Assumptions used to estimate the fair value of stock options granted were as follows:
| Year Ended
| September 28, 2013 |  | September 29, 2012 |  | October 1, 2011
Volatility | 86.0 | % |  | 85.8 | % |  | 84.8 | %
Risk-free interest rate | 0.7 | % |  | 0.9 | % |  | 1.6 | %
Dividend yield | — |  |  | — |  |  | — |
Expected life of options | 5.0 |  |  | 5.0 |  |  | 5.0 |
Stock option activity was as follows:
| Number of Shares |  | Weighted-Average Exercise Price ($) |  | Weighted-Average Remaining Contractual Term (Years) |  | Aggregate Intrinsic Value of In-The-Money Options ($)
| (In thousands) |  |  |  |  |  | (In thousands)
Outstanding, October 2, 2010 | 11,078 |  |  | 14.39 |  |  | 7.44 |  | 35,417 |
Granted | 1,875 |  |  | 13.15 |  |  |  |  |  |
Exercised/Cancelled/Forfeited/Expired | (2,031 | ) |  | 16.18 |  |  |  |  |  |
Outstanding, October 1, 2011 | 10,922 |  |  | 13.85 |  |  | 6.89 |  | 14,195 |
Granted | 1,775 |  |  | 9.61 |  |  |  |  |  |
Exercised/Cancelled/Forfeited/Expired | (1,422 | ) |  | 14.08 |  |  |  |  |  |
Outstanding, September 29, 2012 | 11,275 |  |  | 13.15 |  |  | 6.54 |  | 18,548 |
Granted | 975 |  |  | 8.83 |  |  |  |  |
Exercised/Cancelled/Forfeited/Expired | (2,688 | ) |  | 13.36 |  |  |  |  |
Outstanding, September 28, 2013 | 9,562 |  |  | 12.65 |  |  | 5.99 |  | 62,825 |
Vested and expected to vest, September 28, 2013 | 9,287 |  |  | 12.73 |  |  | 5.91 |  | 60,697 |
Exercisable, September 28, 2013 | 7,180 |  |  | 13.49 |  |  | 5.18 |  | 45,128 |
The weighted-average grant date fair value of stock options granted during 2013, 2012 and 2011 was $5.91, $6.44, and $8.66, respectively. The aggregate intrinsic value in the preceding table represents the total pre-tax intrinsic value of in-the-money options that would have been received by the option holders had all option holders exercised their options at the Company's closing stock price on the date indicated. The total intrinsic value of stock options exercised was $12.1 million for 2013 and was insignificant for 2012 and 2011. As of September 28, 2013, unrecognized compensation expense of $14.3 million is expected to be recognized over a weighted average period of 2.4 years. Restricted Stock Units The Company issues restricted stock units to executive officers, directors and certain management employees. These units vest over periods ranging from one to four years and are automatically exchanged for shares of common stock at the vesting date. Compensation expense associated with these units is recognized ratably over the vesting period. Activity with respect to the Company's restricted stock units was as follows:
| Number of Shares |  | Weighted Grant-Date Fair Value Per Share ($) |  | Weighted-Average Remaining Contractual Term (Years) |  | Aggregate Intrinsic Value ($)
| (In thousands) |  |  |  |  |  | (In thousands)
Outstanding, October 2, 2010 | 938 |  |  | 9.78 |  |  | 2.12 |  | 10,200 |
Granted | 1,317 |  |  | 12.69 |  |  |  |  |  |
Vested/Cancelled | (417 | ) |  | 11.87 |  |  |  |  |  |
Outstanding, October 1, 2011 | 1,838 |  |  | 11.42 |  |  | 1.63 |  | 14,249 |
Granted | 790 |  |  | 6.16 |  |  |  |  |  |
Vested/Cancelled | (398 | ) |  | 11.69 |  |  |  |  |  |
Outstanding, September 29, 2012 | 2,230 |  |  | 9.51 |  |  | 1.08 |  | 21,272 |
Granted | 1,167 |  |  | 9.42 |  |  |  |  |  |
Vested/Cancelled | (1,629 | ) |  | 7.93 |  |  |  |  |  |
Outstanding, September 28, 2013 | 1,768 |  |  | 10.90 |  |  | 2.02 |  | 31,052 |
Expected to vest, September 28, 2013 | 1,210 |  |  | 11.52 |  |  | 1.58 |  | 21,245 |
The weighted-average grant date fair value of restricted stock units granted was $9.42, $6.16 and $12.69 in 2013, 2012 and 2011, respectively. The total fair value of restricted stock units vested was $8.3 million for 2013 and was insignificant for 2012 and 2011. As of September 28, 2013, unrecognized compensation expense of $9.6 million is expected to be recognized over a weighted average period of 1.6 years. Additionally, as of September 28, 2013, unrecognized compensation expense related to performance based restricted stock units was $2.6 million. No expense has been recorded for these performance based restricted stock units to date as achievement of performance criteria is not considered probable.

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- Definition The entire disclosure for compensation-related costs for equity-based compensation, which may include disclosure of policies, compensation plan details, allocation of equity compensation, incentive distributions, equity-based arrangements to obtain goods and services, deferred compensation arrangements, employee stock ownership plan details and employee stock purchase plan details. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 50 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6406099&loc=d3e25284-112666 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 40 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6418621&loc=d3e17540-113929 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5444-113901 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 + Details
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