Earnings Per Share - Additional Information (Detail)	3 Months Ended
Dec. 29, 2012	Dec. 24, 2011
Schedule Of Earnings Per Share Basic And Diluted [Line Items]
Outstanding potentially anti-dilutive stock options	201,019
Options, dilutive effect		180,264

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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+ Details

- Definition

Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of call options and warrants using the treasury stock method.

+ References

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+ Details