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Stock Purchase And Stock Option Plans (Stock Option Activity Under The 1999 Plans And The 1981 Plan) (Details) (USD $)	12 Months Ended
	Sep. 30, 2011	Oct. 01, 2010	Oct. 02, 2009
Stock Purchase And Stock Option Plans
Number of Stock Options Outstanding, Beginning balance	7,410,580	7,031,017	6,932,559
Number of Stock Options Granted	433,600	975,000	688,650
Number of Stock Options Exercised	(1,363,005)	(447,200)	(527,616)
Number of Stock Options Cancelled or expired	(19,665)	(148,237)	(62,576)
Number of Stock Options Outstanding, Ending balance	6,461,510	7,410,580	7,031,017
Weighted Average Exercise Price Outstanding, Beginning of period	$ 39.10	$ 37.43	$ 35.45
Weighted Average Exercise Price Options Granted	$ 46.04	$ 43.79	$ 41.07
Weighted Average Exercise Price Options Exercised	$ 21.37	$ 15.90	$ 15.07
Weighted Average Exercise Price Options Cancelled or expired	$ 47.81	$ 60.39	$ 57.38
Weighted Average Exercise Price Options Outstanding, End of period	$ 43.28	$ 39.10	$ 37.43

X

- Definition

The decrease in the number of shares that could be issued attributable to the lapse of rights to exercise previously issued stock options under the terms of the option agreements under the plan during the reporting period.

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The weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that lapsed during the reporting period.

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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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