Stock-Based Compensation (Tables)

12 Months Ended

Jan. 03, 2015

Stock-Based Compensation

Schedule of assumptions used to estimate fair values using Black-Scholes option-pricing model for Employee Stock Purchase Plan

	Year Ended
2009 Employee Stock Purchase Plan	January 3, 2015			December 28, 2013			December 29, 2012
Expected volatility		28	%		27	%		38	%
Risk-free interest rate %		0.2	%		0.1	%		0.2	%
Expected term (in months)		15			7			15
Dividend yield		—			—			—

Schedule of assumptions used to estimate fair values using Monte Carlo simulation model for Stock Incentive Plan

	Year Ended
2009 Stock Incentive Plan	January 3, 2015			December 28, 2013			December 29, 2012
Expected volatility		33	%		32	%		32	%
Risk-free interest rate %		0.7	%		0.5	%		0.4	%
Expected term (in years)		2.8			2.9			2.9
Dividend yield		—			—			—

Summary of Stock Options activity

Stock Options	Shares (000s)			Weighted- Average Exercise Price		Weighted-Average Remaining Contractual Term (In Years)		Aggregate Intrinsic Value (000s)
Outstanding at December 28, 2013		1,089		$	35.09
Exercised		(444	)	$	35.67
Cancelled or expired		(116	)	$	49.19
Outstanding at January 3, 2015		529		$	31.50		1.61	$	8,661
Vested at January 3, 2015 and expected to vest		529		$	31.50		1.61	$	8,661
Exercisable at January 3, 2015		529		$	31.50		1.61	$	8,661

Summary of RSAs and RSUs Activity

RSAs and RSUs	Shares (000s)			Weighted- Average Purchase Price		Weighted-Average Remaining Vesting Term (In Years)		Aggregate Intrinsic Value (000s)
Outstanding at December 28, 2013		1,835		$	—
Granted		735		$	—
Issued		(680	)	$	—
Cancelled or expired		(109	)	$	—
Outstanding at January 3, 2015		1,781		$	—		1.02	$	84,584
Outstanding at January 3, 2015 and expected to vest		1,654		$	—		1.02	$	78,567

Summary of MSUs Activity

MSUs	Shares (000s)			Weighted- Average Purchase Price		Weighted-Average Remaining Vesting Term (In Years)		Aggregate Intrinsic Value (000s)
Outstanding at December 28, 2013		246		$	—
Granted		76		$	—
Issued		—		$	—
Cancelled or expired		(24	)	$	—
Outstanding at January 3, 2015		298		$	—		1.18	$	14,181
Outstanding at January 3, 2015 and expected to vest		274		$	—		1.18	$	13,034

Summary of weighted average fair value at the date of grant

	Year Ended
	January 3, 2015		December 28, 2013		December 29, 2012
Per grant of RSAs and RSUs	$	47.93	$	43.01	$	42.25
Per grant of MSUs	$	60.08	$	31.94	$	53.25

Summary of stock-based payment and stock option values

The following summarizes the Company's stock-based payment and stock option values (in thousands):

	Year Ended
	January 3, 2015		December 28, 2013		December 29, 2012
Intrinsic value of stock options exercised	$	5,674	$	4,198	$	9,064
Intrinsic value of RSAs and RSUs that vested	$	32,138	$	23,649	$	40,105
Grant date fair value of RSAs and RSUs that vested	$	29,668	$	24,026	$	31,215

Schedule of stock-based compensation costs recognized in the Consolidated Statements of Income

The following table presents details of stock-based compensation costs recognized in the Consolidated Statements of Income (in thousands):

	Year Ended
	January 3, 2015		December 28, 2013		December 29, 2012
Cost of revenues	$	775	$	952	$	1,206
Research and development		18,521		14,530		12,602
Selling, general and administrative		19,771		15,318		17,368
		39,067		30,800		31,176
Income tax benefit		4,024		2,633		4,911
	$	35,043	$	28,167	$	26,265

Summary of shares reserved of common stock for future issuance

As of January 3, 2015, the Company had reserved shares of common stock for future issuance as follows (in thousands):

2000 Stock Incentive Plan	529
2009 Stock Incentive Plan	3,740
2009 Employee Stock Purchase Plan	882
Total shares reserved	5,151