Stock Plans (Tables)

3 Months Ended

Apr. 01, 2012

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Summary of Total Compensation Recognized Related to Outstanding Equity Awards

The following table summarizes total pre-tax compensation expense recognized related to the Company’s stock options, restricted stock, restricted stock units, performance units and stock grants, net of estimated forfeitures, included in the Company’s condensed consolidated statements of operations for the three months ended April 1, 2012 and April 3, 2011:

	Three Months Ended
	April 1, 2012		April 3, 2011
	(In thousands)
Cost of revenue	$	276	$	260
Research and development expenses	176		146
Selling, general and administrative expenses	5,024		2,648
Total stock-based compensation expense	$	5,476	$	3,054

Weighted-Average Assumptions Used in the Black-Scholes Option Pricing Model

The Company’s weighted-average assumptions used in the Black-Scholes option pricing model were as follows:

	Three Months Ended
	April 1, 2012		April 3, 2011
Risk-free interest rate	0.6	%	1.9	%
Expected dividend yield	1.2	%	1.1	%
Expected lives	4 years		4 years
Expected stock volatility	38.7	%	38.1	%

Summary of Stock Option Activity

The following table summarizes stock option activity for the three months ended April 1, 2012:

	Number of Shares		Weighted- Average Price		Weighted-Average Remaining Contractual Term	Total Intrinsic Value
	(In thousands)				(In years)	(In millions)
Outstanding at January 1, 2012	5,346		$	20.57
Granted	686		26.15
Exercised	(521	)	18.22
Canceled	(203	)	22.21
Forfeited	(4	)	12.95
Outstanding at April 1, 2012	5,304		$	21.46	4.0	$	22.5
Exercisable at April 1, 2012	3,655		$	20.28	3.0	$	19.2
Vested and expected to vest in the future	4,843		$	21.46	4.0	$	20.5

Summary of Restricted Stock Award Activity

The following table summarizes restricted stock award activity for the three months ended April 1, 2012:

	Number of Shares		Weighted- Average Grant- Date Fair Value
	(In thousands)
Nonvested at January 1, 2012	672		$	23.62
Granted	349		25.83
Vested	(124	)	23.20
Forfeited	(8	)	25.15
Nonvested at April 1, 2012	889		$	24.53