Represents the exercise price of the purchase right as a percentage of the fair market value of a share of common stock on the first day of the purchase right period.

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Represents the exercise price of the purchase right as a percentage of the fair market value of a share of common stock on the last day of the purchase right period.

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- Definition

Represents the maximum amount that an employee is permitted to contribute during a purchase right period.

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- Definition

Represents the minimum percentage of market value on the grant date at which the participant has an option to purchase common stock of the entity.

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- Definition

Represents the aggregate number of share options (or share units) granted to date.

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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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-Name Accounting Standards Codification

-Topic 718

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-Section 50

-Paragraph 1

-Subparagraph (b)

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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- Definition

The date when the equity-based award expires as specified in the award agreement, which may be presented in a variety of ways (for example, year, month and year, day, month and year, quarter of a year).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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The maximum vesting term over which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition.

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The minimum vesting term over which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition.

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Description of award terms as to how many shares or portion of an award are no longer contingent on satisfaction of either a service condition, market condition or a performance condition, thereby giving the employee the legal right to convert the award to shares, to sell the shares, and be entitled to the cash proceeds of such sale. For example, vesting may be expressed as being 25 percent of the shares under option on each anniversary of the grant date.

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-Publisher FASB

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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-Topic 718

-SubTopic 10

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Stockholders' Equity and Stock Compensation Plans (Details) (USD $)	12 Months Ended						1 Months Ended	67 Months Ended	12 Months Ended
	Oct. 02, 2011	Oct. 03, 2010	Sep. 27, 2009	Oct. 02, 2011 1992 Incentive Stock Plan	Oct. 02, 2011 1992 Stock Option Plan for Non-Employee Directors	Oct. 02, 2011 2003 Outside Director Stock Option Plan	Mar. 31, 2006 2005 Equity Incentive Plan	Oct. 02, 2011 2005 Equity Incentive Plan	Oct. 02, 2011 Restricted Stock Program	Oct. 03, 2010 Restricted Stock Program	Sep. 27, 2009 Restricted Stock Program	Oct. 02, 2011 Employee Stock Purchase Plan ("ESPP")	Oct. 03, 2010 Employee Stock Purchase Plan ("ESPP")	Sep. 27, 2009 Employee Stock Purchase Plan ("ESPP")
Stockholder's Equity and Stock Compensation Plans
Aggregate number of shares of common stock granted to date				7,202,147	178,808
Aggregate number of shares of common stock that may be granted						400,000		6,086,216	528,403			2,373,290
Vesting period, minimum (in years)				1Y					3Y
Vesting period, maximum (in years)				5Y			4Y
Minimum percentage of market value on the grant date at which participant has option to purchase common stock					100.00%	100.00%
Expiration period, maximum (in years)				10Y	10Y	10Y	10Y	8Y
Percentage of vesting rights after specified period							25% on each anniversary of the grant date	25% on the first anniversary of the grant date, and the balance vests monthly thereafter
Maximum amount that an employee can contribute during a purchase right period												$ 5,000
Exercise price as percentage of fair market value on first day of purchase right period												100.00%
Exercise price as percentage of fair market value on last day of purchase right period												85.00%
Stock-based compensation and related income tax benefits
Total stock-based compensation	10,582,000	10,178,000	9,392,000						1,700,000	1,200,000	2,000,000	1,000,000	1,300,000	1,000,000
Income tax benefit related to stock-based compensation	(3,804,000)	(3,590,000)	(3,796,000)
Stock-based compensation, net of tax benefit	$ 6,778,000	$ 6,588,000	$ 5,596,000