Note 10 Earnings Per Share (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended	9 Months Ended
Jun. 29, 2013	Jun. 30, 2012	Jun. 29, 2013	Jun. 30, 2012
Earnings Per Share [Line Items]
Net income	$ 18,738	$ 8,948	$ 40,550	$ 16,084
Potentially Dilutive Securities	5,898	9,211	7,371	8,219
Weighted average shares used in computing per share amount:
Basic	83,082	81,519	82,515	81,213
Diluted	85,602	83,566	84,819	83,469
Net income per share:
Basic	$ 0.23	$ 0.11	$ 0.49	$ 0.20
Diluted	$ 0.22	$ 0.11	$ 0.48	$ 0.19
Employee stock options
Earnings Per Share [Line Items]
Potentially Dilutive Securities	5,895	8,253	7,368	7,806
Restricted stock units
Earnings Per Share [Line Items]
Potentially Dilutive Securities	3	958	3	413

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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-Publisher FASB

-Name Accounting Standards Codification

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+ Details

- Definition

The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

+ References

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+ Details

- Definition

The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

+ References+ Details

- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

+ References

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+ Details

- Definition

The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

+ References+ Details

- Definition

Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

+ References

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+ Details