Stock-Based Compensation (Stock-Based Compensation Expense By Type Of Award) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Sep. 29, 2012	Oct. 01, 2011	Oct. 02, 2010
Stock-Based Compensation [Abstract]
Employee stock options	$ 1,599	$ 1,383	$ 1,519
Employee stock purchase plan (ESPP)	184	159	175
Restricted stock grants and units	1,650	1,162	691
Amounts capitalized as inventory	(742)	(652)	(639)
Amounts recognized in income for amounts previously capitalized as inventory	681	649	702
Total stock-based compensation included in income from operations	3,372	2,701	2,448
Income tax benefits on stock-based compensation	(1,161)	(931)	(828)
Net compensation expense included in net income	$ 2,211	$ 1,770	$ 1,620

Amounts Recognized In Income For Amounts Previously Capitalized As Inventory

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Employee Stock Purchase Plan Expense

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Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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The amount of expense, net of income tax, recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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Represents the compensation cost capitalized during the period arising from equity-based compensation arrangements (for example, shares of stock, units, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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The total recognized tax benefit related to compensation cost for equity-based payment arrangements recognized in income during the period.

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The noncash expense that represents the cost of restricted stock or unit distributed to employees as compensation.

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The noncash expense that accounts for the value of stock or unit options distributed to employees as compensation.

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