Stockholders' Equity (Tables)

12 Months Ended

Sep. 30, 2011

Stockholders' Equity Attributable to Parent [Abstract]

Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

The following table represents a summary of the Company's stock options for the year ended September 30, 2011:

	Shares (in thousands)		Weighted average exercise price		Weighted average remaining contractual life (in years)	Aggregate intrinsic value (in thousands)
Balance outstanding at October 1, 2010	15,289		$	10.50
Granted	3,414		24.37
Exercised	(5,717	)	11.05
Canceled/forfeited	(583	)	23.73
Balance outstanding at September 30, 2011	12,403		$	13.45	5.0	$	77,479
Exercisable at September 30, 2011	4,692		$	8.72	3.9	$	43,688

Schedule of Other Share-based Compensation, Activity [Table Text Block]

The following table represents a summary of the Company's restricted stock and performance award transactions:

	Shares (In thousands)		Weighted average grant date fair value
Non-vested awards outstanding at October 1, 2010	4,263		$	10.91
Granted	2,706		23.61
Vested	(2,193	)	11.92
Forfeited	(103	)	16.66
Non-vested awards outstanding at September 30, 2011	4,673		$	17.67

Schedule of Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Grant Date Intrinsic Value [Table Text Block]

The following table summarizes the total intrinsic value for stock options exercised and awards vested (i.e., the difference between the market price at the exercise and the price paid by the employees to exercise the awards) for fiscal 2011, 2010 and 2009, respectively (in thousands):

	Fiscal Years Ended
	September 30 2011		October 1 2010		October 2 2009
Options	$	90,062	$	40,837	$	20,886
Awards	$	53,569	$	15,030	$	7,475

Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block]

The following table summarizes pre-tax share-based compensation expense by financial statement line (in thousands):

	Fiscal Years Ended
	September 30, 2011		October 1, 2010		October 2, 2009
Cost of sales	$	7,557	$	3,857	$	3,129
Research and development	18,100		7,419		6,195
Selling, general and administrative	32,681		29,465		14,142
Share-based compensation expense included in operating expenses	$	58,338	$	40,741	$	23,466

Schedule of Unrecognized Compensation Cost, Nonvested Awards [Table Text Block]

The following table summarizes total compensation costs related to unvested awards not yet recognized and the weighted average period over which it is expected to be recognized at September 30, 2011:

	For the Year Ended September 30, 2011
		Unrecognized Compensation Cost for unvested awards (in thousands)		Weighted average remaining recognition period (in years)
Options		$	37,287	2.2
Awards		$	35,852	1.3

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

The fair value of each option grant under the Company's plan is estimated on the date of the grant using the Black-Scholes option pricing model with the following weighted average assumptions. The fair value of the restricted and performance awards is equal to the closing market price of the Company's common stock on the date of grant.

	Fiscal Years Ended
	September 30, 2011		October 1, 2010		October 2, 2009
Expected volatility	49.26	%	56.19	%	60.90	%
Risk free interest rate (7 year contractual life options)	0.63	%	1.12	%	2.36	%
Dividend yield	0.00		0.00		0.00
Expected option life (7 year contractual life options)	4.10		4.23		4.42