Share-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2012

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

Schedule of Share-based Compensation, Stock Options, Activity

Option activity under the Company’s incentive stock plans is as follows:

	Number  of Shares		Weighted Avg. Exercise Price  Per Share
Outstanding, December 31, 2009 (3,170,359 exercisable at a weighted average price of $11.18 per share and a weighted average remaining contractual life of 4.8 years)	7,704,997		$	9.41
Granted	1,528,990		10.36
Exercised	(785,633	)	8.13
Canceled	(564,549	)	10.84
Outstanding, December 31, 2010 (3,430,038 exercisable at a weighted average price of $10.74 per share and a weighted average remaining contractual life of 4.7 years)	7,883,805		9.65
Granted	2,165,056		12.14
Exercised	(1,246,435	)	9.39
Canceled	(842,256	)	10.64
Outstanding, December 31, 2011 (3,366,610 exercisable at a weighted average price of $10.31 per share and a weighted average remaining contractual life of 4.3 years)	7,960,170		10.26
Granted	1,494,250		10.13
Exercised	(415,156	)	7.91
Canceled	(882,995	)	11.22
Outstanding, December 31, 2012 (4,068,071 exercisable at a weighted average price of $9.98 per share and a weighted average remaining contractual life of 4.2 years)	8,156,269		10.25

Schedule of Share-based Compensation, Restricted Stock Units Award Activity

Information with respect to outstanding RSU activity is as follows:

	Number  of Shares		Weighted Average Grant-Date Fair Value
Outstanding, December 31, 2009	91,423		$	7.40
Granted	54,670		10.33
Vested	—
Forfeited	(333	)	9.46
Outstanding, December 31, 2010	145,760		8.36
Granted	589,638		10.09
Vested	(14,750	)	7.72
Forfeited	(53,371	)	10.44
Outstanding, December 31, 2011	667,277		9.73
Granted	417,531		9.67
Vested	(146,327	)	9.49
Forfeited	(61,431	)	9.65
Outstanding, December 31, 2012	877,050		9.83

Stock options granted under the Company's option plans

	Years Ended December 31,
	2012		2011		2010
Expected term (years)	5.8		5.7		5.9
Stock volatility	36.6	%	40.4	%	40.9	%
Risk free interest rates	1.0	%	1.7	%	2.2	%
Dividends during expected terms	1.6	%	1.4	%	1.3	%

Share-based compensation expense

The following table shows total share-based compensation expense recognized in the Consolidated Statement of Operations for 2012, 2011 and 2010 (in thousands):

	Years Ended December 31,
	2012			2011			2010
Cost of revenues	$	1,178		$	1,009		$	798
Research and development	3,132			2,401			1,808
Selling, general and administrative	3,282			2,444			2,119
Pre-tax share-based compensation expense	7,592			5,854			4,725
Less income tax effect	(2,583		)	(2,104		)	(1,863		)
Net share-based compensation expense	$	5,009		$	3,750		$	2,862