Stock Option Plans (Summary Of The Status Of Unvested Restricted Stock Awards) (Details) (Unvested Restricted Stock Awards [Member], USD $)	3 Months Ended
Jan. 01, 2012
Unvested Restricted Stock Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares, Unvested at October 2, 2011	67,857
Weighted-Average Fair Value, Unvested at October 2, 2011	$ 39.56
Shares, Granted	84,000
Weighted-Average Fair Value, Granted	$ 37.67
Shares, Vested
Shares, Forfeited	(476)
Weighted-Average Fair Value, Forfeited	$ 27.01
Shares, Unvested at January 1, 2012	151,381
Weighted-Average Fair Value, Unvested at January 1, 2012	$ 38.55

The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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- Definition

The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units.

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