Stock-Based Compensation (Tables)

6 Months Ended

Jun. 29, 2012

Summary Of Activity For Restricted Stock Units And Performance Based Restricted Stock Units [Text Block]

A summary of activity for our RSUs and PRSUs for the six months ended June 29, 2012 and information regarding RSUs and PRSUs outstanding and expected to vest as of June 29, 2012 is as follows:



(In thousands, except per share amounts and terms)	Number of Shares		Weighted-Average Grant-Date Fair Market Value Per Share		Weighted-Average Remaining Contractual Term (in Years)	Aggregate Intrinsic Value ⁽¹⁾
Outstanding, December 31, 2011	8,176		$	31.62
Grants	1,742		$	33.93
Vested	(550	)	$	28.82
Forfeited	(359	)	$	31.68
Outstanding, June 29, 2012	9,009		$	32.24	1.4	$	304,869
Vested and expected to vest, June 29, 2012	8,040		$	32.24	1.4	$	272,087


(1)	Aggregate intrinsic value represents the closing price per share of our stock on June 29, 2012, multiplied by the number of RSUs and PRSUs outstanding or vested and expected to vest as of June 29, 2012.

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

A summary of stock option activity for the six months ended June 29, 2012 and information regarding stock options outstanding, exercisable, and vested and expected to vest as of June 29, 2012 is as follows:



(In thousands, except per share amounts and terms)	Number of Shares		Weighted-Average Exercise Price Per Share		Weighted-Average Remaining Contractual Term (in Years)	Aggregate Intrinsic Value ⁽¹⁾
Outstanding, December 31, 2011	6,138		$	22.96
Grants	554		$	34.22
Exercises	(923	)	$	18.29
Forfeited/Cancelled/Expired	(11	)	$	17.47
Outstanding, June 29, 2012	5,758		$	24.80	4.2	$	59,372
Exercisable, June 29, 2012	4,452		$	21.23	2.7	$	57,356
Vested and expected to vest, June 29, 2012	5,569		$	24.38	4.0	$	59,219


(1)	For those stock options with an exercise price below the closing price per share on June 29, 2012, aggregate intrinsic value represents the difference between the exercise price and the closing price per share of our common stock on June 29, 2012, multiplied by the number of stock options outstanding, exercisable, or vested and expected to vest as of June 29, 2012.

Assumptions Used To Estimate Fair Value Of Stock Options Rsus And Prsus [Text Block]

The assumptions used to estimate the fair value of ESPP, RSUs and PRSUs were as follows:



	Three Months Ended						Six Months Ended
	June 29, 2012			July 1, 2011			June 29, 2012			July 1, 2011

ESPP purchase rights:
Expected term (in years)	1.0			0.8			1.0			0.8
Expected stock price volatility	39.1		%	34.5		%	39.1		%	34.5		%
Risk-free interest rate	0.2		%	0.2		%	0.2		%	0.2		%
Dividend yield	0.9		%	0.5		%	0.9		%	0.5		%
Weighted-average estimated fair value	$	10.54		$	12.88		$	10.54		$	12.88

RSUs and PRSUs:
Risk-free interest rate	0.3		%	0.8		%	0.3		%	0.9		%
Dividend yield	0.9		%	0.5		%	0.9		%	0.6		%
Weighted-average estimated fair value	$	32.52		$	47.85		$	33.13		$	42.07

Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Table Text Block]

In addition, we apply an expected forfeiture rate when amortizing stock-based compensation expense. Our stock-based compensation expense included in the consolidated statements of comprehensive income for the three and six months ended June 29, 2012 and July 1, 2011 was as follows:



	Three Months Ended						Six Months Ended
(In thousands)	June 29, 2012			July 1, 2011			June 29, 2012			July 1, 2011

Cost of sales	$	476		$	404		$	924		$	750
Research and development expense	10,475			8,888			20,328			16,470
Selling, general, and administrative expense	12,856			10,907			24,948			20,212
Pre-tax stock-based compensation expense	23,807			20,199			46,200			37,432
Less: income tax benefit	(6,102		)	(5,635		)	(11,806		)	(10,303		)
Net stock-based compensation expense	$	17,705		$	14,564		$	34,394		$	27,129