Stock Plans (Tables)

6 Months Ended

Jul. 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 and six months ended July 1, 2012 and July 3, 2011:

	Three Months Ended				Six Months Ended
	July 1, 2012		July 3, 2011		July 1, 2012		July 3, 2011
	(In thousands)
Cost of revenue	$	304	$	246	$	580	$	506
Research and development expenses	185		149		361		295
Selling, general and administrative expenses	4,287		4,511		9,311		7,159
Total stock-based compensation expense	$	4,776	$	4,906	$	10,252	$	7,960

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 and Six Months Ended
	July 1, 2012		July 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 six months ended July 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	740		26.25
Exercised	(637	)	18.44
Canceled	(206	)	22.26
Forfeited	(5	)	14.76
Outstanding at July 1, 2012	5,238		$	21.57	3.8	$	25.8
Exercisable at July 1, 2012	3,633		$	20.34	2.8	$	22.3
Vested and expected to vest in the future	4,783		$	21.57	3.8	$	23.5

Summary of Restricted Stock Award Activity

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

	Number of Shares		Weighted- Average Grant- Date Fair Value
	(In thousands)
Nonvested at January 1, 2012	672		$	23.62
Granted	351		25.83
Vested	(179	)	23.27
Forfeited	(19	)	25.26
Nonvested at July 1, 2012	825		$	24.60