Stock-Based Compensation And Stock Ownership Plans (Stock Option Activity) (Details) (Stock Options [Member], USD $) In Thousands, except Share data, unless otherwise specified	6 Months Ended	12 Months Ended
Mar. 29, 2013	Sep. 28, 2012
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Stock Options Outstanding and Exercisable, Beginning Balance	23,366
Number of Stock Options Exercised	(8,300)
Number of Stock Options Outstanding and Exercisable, Ending Balance	15,066	23,366
Weighted Average Exercise Price for Stock Options Outstanding and Exercisable, Beginning Balance	$ 15.39
Weighted Average Exercise Price for Stock Options Exercised	$ 10.35
Weighted Average Exercise Price for Stock Options Outstanding and Exercisable, Ending Balance	$ 18.16	$ 15.39
Weighted Average Remaining Contractual Term (Years)	1 year 9 months 18 days	1 year 7 months 6 days
Aggregate Intrinsic Value, Ending Balance	$ 84

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of options outstanding.

+ References

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The number of shares reserved for issuance under stock option agreements awarded under the plan that validly exist and are outstanding as of the balance sheet date, including vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Number of share options (or share units) exercised during the current period.

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