Net Income (Loss) Per Share - Reconciliation of Basic and Diluted Share Amounts (Detail) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
Jun. 28, 2014	Jun. 29, 2013	Jun. 28, 2014	Jun. 29, 2013
Earnings Per Share [Line Items]
Basic weighted average common shares outstanding (in shares)	276,843	269,430	274,713	267,983
Weighted average common stock equivalents from assumed exercise of stock options and restricted stock units (in shares)	2,130	0	0	0
Incremental Common Shares Attributable To The Conversion Of Debt Securities	232	0	0	0
Diluted weighted average common shares outstanding (in shares)	279,205	269,430	274,713	267,983
Outstanding Stock Options [Member]
Weighted-average anti-dilutive shares related to:
Weighted-average anti-dilutive shares	4,727	7,964	7,007	8,724
Restricted Stock Units [Member]
Weighted-average anti-dilutive shares related to:
Weighted-average anti-dilutive shares	21	1,147	811	1,089

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Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of convertible debt securities using the treasury stock method

+ References

No definition available.

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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

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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.

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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.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

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