Employee Compensation Plans (Tables)

12 Months Ended

Sep. 28, 2013

Employee Compensation Plans

Summary of option activity

	Number of Shares			Weighted Average Exercise Price (per share)
Outstanding at September 29, 2012		7,470,975		$	12.56
Granted		474,236		$	45.48
Exercised		(2,849,308	)	$	6.95
Forfeited/expired		(73,563	)	$	49.53
Outstanding at September 28, 2013		5,022,340		$	18.30
Exercisable at September 28, 2013		3,958,017		$	10.70

Stock options vested and expected to vest

Number of options outstanding		Weighted average remaining contractual life (in years)		Weighted average exercise price		Intrinsic value at September 28, 2013 (in thousands)
	5,011,076		4.81	$	18.24	$	284,095

Stock options exercisable

Number of options exercisable		Weighted average remaining contractual life (in years)		Weighted average exercise price		Intrinsic value at September 28, 2013 (in thousands)
	3,958,017		3.90	$	10.70	$	254,162

Schedule of assumptions used in estimating the grant-date fair value of employee stock options and similar instruments

	Fiscal 2013			Fiscal 2012			Fiscal 2011
Average expected life		6 years			6 years			6 years
Average volatility		81	%		69	%		52	%
Dividend yield		—			—			—
Risk-free interest rate		1.02	%		1.31	%		2.37	%
Weighted average fair value	$	31.23		$	30.10		$	29.34

Summary of nonvested Restricted Stock Unit activity

  The following table summarizes the number and weighted average grant-date fair value of nonvested RSUs (amounts in thousands except grant date fair value and weighted average remaining contractual life):

	Share Units			Weighted Average Grant-Date Fair Value		Weighted Average Remaining Contractual Life (in Years)		Intrinsic Value (in Thousands)
Nonvested, September 29, 2012		81,834		$	39.62		3.52	$	1,943
Granted		175,789		$	45.19
Vested		(34,761	)	$	47.22
Forfeited		(1,360	)	$	54.12
Nonvested, September 28, 2013		221,502		$	42.74		1.71	$	16,586

Summary of the number and weighted average grant-date fair value of nonvested PSUs

	Share Units			Weighted Average Grant-Date Fair Value
Outstanding on September 29, 2012		—			—
Granted		122,719		$	41.28
Forfeited		(2,051	)	$	51.56
Outstanding on September 28, 2013(1)		120,668		$	41.10

(1)

The outstanding PSUs as of September 28, 2013, at the threshold award and maximum award levels were 96,534 and 144,802, respectively.

Schedule of assumptions used in estimating the grant-date fair value of employees' purchase rights under Employee Stock Purchase Plan

	Fiscal 2013			Fiscal 2012			Fiscal 2011
Average expected life		6 months			6 months			6 months
Average volatility		86	%		70	%		57	%
Dividend yield		—			—			—
Risk-free interest rate		0.13	%		0.09	%		0.19	%
Weighted average fair value	$	14.38		$	11.61		$	15.97

Equity-based compensation recognized and related tax benefit

 Stock-based compensation expense recognized in the Consolidated Statements of Operations in fiscal years 2013, 2012, and 2011 (in thousands):

	Fiscal 2013		Fiscal 2012		Fiscal 2011
Options	$	14,151	$	12,595	$	8,206
RSUs/PSUs/RSAs		7,529		1,861		—
ESPP		4,401		3,412		2,155
Total stock-based compensation expense recognized in the Consolidated Statements of Operations	$	26,081	$	17,868	$	10,361
Total related tax benefit	$	9,936	$	6,004	$	3,147