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Stockholders' Equity (Tables) | 12 Months Ended
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Sep. 30, 2011
Stockholders' Equity Attributable to Parent [Abstract] |
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block] | The following table represents a summary of the Company's stock options for the year ended September 30, 2011:
| Shares (in thousands) |  | Weighted average exercise price |  | Weighted average remaining contractual life (in years) |  | Aggregate intrinsic value (in thousands)
Balance outstanding at October 1, 2010 | 15,289 |  |  | $ | 10.50 |  |  |  |  |
Granted | 3,414 |  |  | 24.37 |  |  |  |  |
Exercised | (5,717 | ) |  | 11.05 |  |  |  |  |
Canceled/forfeited | (583 | ) |  | 23.73 |  |  |  |  |
Balance outstanding at September 30, 2011 | 12,403 |  |  | $ | 13.45 |  |  | 5.0 |  |  | $ | 77,479 |
Exercisable at September 30, 2011 | 4,692 |  |  | $ | 8.72 |  |  | 3.9 |  |  | $ | 43,688 |
Schedule of Other Share-based Compensation, Activity [Table Text Block] | The following table represents a summary of the Company's restricted stock and performance award transactions:
| Shares (In thousands) |  | Weighted average grant date fair value
Non-vested awards outstanding at October 1, 2010 | 4,263 |  |  | $ | 10.91 |
Granted | 2,706 |  |  | 23.61 |
Vested | (2,193 | ) |  | 11.92 |
Forfeited | (103 | ) |  | 16.66 |
Non-vested awards outstanding at September 30, 2011 | 4,673 |  |  | $ | 17.67 |
Schedule of Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Grant Date Intrinsic Value [Table Text Block] | The following table summarizes the total intrinsic value for stock options exercised and awards vested (i.e., the difference between the market price at the exercise and the price paid by the employees to exercise the awards) for fiscal 2011, 2010 and 2009, respectively (in thousands):
| Fiscal Years Ended
| September 30 2011 |  | October 1 2010 |  | October 2 2009
Options | $ | 90,062 |  |  | $ | 40,837 |  |  | $ | 20,886 |
Awards | $ | 53,569 |  |  | $ | 15,030 |  |  | $ | 7,475 |
Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block] | The following table summarizes pre-tax share-based compensation expense by financial statement line (in thousands):
| Fiscal Years Ended
| September 30, 2011 |  | October 1, 2010 |  | October 2, 2009
Cost of sales | $ | 7,557 |  |  | $ | 3,857 |  |  | $ | 3,129 |
Research and development | 18,100 |  |  | 7,419 |  |  | 6,195 |
Selling, general and administrative | 32,681 |  |  | 29,465 |  |  | 14,142 |
Share-based compensation expense included in operating expenses | $ | 58,338 |  |  | $ | 40,741 |  |  | $ | 23,466 |
Schedule of Unrecognized Compensation Cost, Nonvested Awards [Table Text Block] | The following table summarizes total compensation costs related to unvested awards not yet recognized and the weighted average period over which it is expected to be recognized at September 30, 2011:
| For the Year Ended September 30, 2011
| Unrecognized Compensation Cost for unvested awards (in thousands) |  | Weighted average remaining recognition period (in years)
Options | $ | 37,287 |  |  | 2.2 |
Awards | $ | 35,852 |  |  | 1.3 |
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] | The fair value of each option grant under the Company's plan is estimated on the date of the grant using the Black-Scholes option pricing model with the following weighted average assumptions. The fair value of the restricted and performance awards is equal to the closing market price of the Company's common stock on the date of grant.
| Fiscal Years Ended
| September 30, 2011 |  | October 1, 2010 |  | October 2, 2009
Expected volatility | 49.26 | % |  | 56.19 | % |  | 60.90 | %
Risk free interest rate (7 year contractual life options) | 0.63 | % |  | 1.12 | % |  | 2.36 | %
Dividend yield | 0.00 |  |  | 0.00 |  |  | 0.00 |
Expected option life (7 year contractual life options) | 4.10 |  |  | 4.23 |  |  | 4.42 |

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- Definition Tabular disclosure of the allocation of equity-based compensation costs to a given line item on the balance sheet and income statement for the period. This may include the reporting line for the costs and the amount capitalized and expensed. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -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 S99 -Paragraph 1 -Subparagraph (SAB TOPIC 14.F) -URI http://asc.fasb.org/extlink&oid=6793087&loc=d3e301413-122809 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph g(1) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 -Section F Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph 64 -Subparagraph b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition Tabular disclosure of the changes in other outstanding share-based compensation awards other than stock options or nonvested awards. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Topic 718 -SubTopic 10 -Publisher FASB -Number -Article -Subparagraph (c)(2) -Name Accounting Standards Codification -Paragraph 2 -Section 50 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Topic 718 -SubTopic 10 -Publisher FASB -Number -Article -Subparagraph (c)(1) -Name Accounting Standards Codification -Paragraph 2 -Section 50 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (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 -Topic 718 -SubTopic 10 -Publisher FASB -Number -Article -Subparagraph (f)(2) -Name Accounting Standards Codification -Paragraph 2 -Section 50 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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