Equity (Tables)

12 Months Ended

Dec. 31, 2012

Share Based Compensation Expense Recognized in Statement of Operations

Share-based compensation expense for the years ended December 31, 2012, 2011 and 2010 is reflected in the table below:

(In thousands)	2012		2011		2010
Share-based compensation expense	$	9,881	$	7,519	$	7,588

Summary of Option Activity

Option activity for the 2010 Stock Plan and predecessor plans for the years ended December 31, 2012, 2011 and 2010 is summarized as follows:

	2012					2011					2010
(Shares in thousands)	Number  of shares			Weighted average exercise price		Number  of shares			Weighted average exercise price		Number  of shares			Weighted average exercise price
Options outstanding, beginning of year		3,561		$	6.53		5,001		$	6.25		6,663		$	6.80
Granted		470			9.27		511			8.75		746			5.42
Exercised		(1,293	)		3.76		(1,698	)		5.95		(1,190	)		4.68
Canceled		(173	)		9.83		(253	)		9.41		(1,218	)		10.31
Options outstanding, end of year		2,565		$	8.20		3,561		$	6.53		5,001		$	6.25
Options exercisable, end of year		1,828		$	8.18		2,078		$	7.53		3,013		$	8.15

Summary of Options Outstanding

Options outstanding for the Company’s stock plans at December 31, 2012 are summarized as follows:

(Shares in thousands)	Options outstanding						Options exercisable
Range of exercise prices	Number outstanding		Weighted average remaining life in years		Weighted- average exercise price		Number exercisable		Weighted average exercise price
$1.13 to $3.08		183		3.1 years	$	1.26		183	$	1.26
$4.61 to $7.68		692		2.6 years		6.30		529		6.57
$7.69 to $9.22		767		3.0 years		8.63		504		8.56
$9.23 to $15.38		923		2.5 years		10.64		612		11.33
		2,565		2.7 years				1,828

Cash Received From Exercise Of Stock Options and Employee Contribution to ESPP

The table below sets forth the amount of cash received by the Company from the exercise of stock options and employee contributions to the ESPP during the years ended December 31, 2012, 2011 and 2010:

(In thousands)	2012		2011		2010
Exercise of stock options and employee contributions to the ESPP	$	7,431	$	11,690	$	6,799

Summary of Restricted Stock Activity

A summary of the Company’s restricted stock activity for the years ended December 31, 2012, 2011 and 2010 is presented in the following table:

(Shares in thousands)	2012					2011					2010
	Number of shares			Weighted average grant date fair value		Number of shares			Weighted average grant date fair value		Number of shares			Weighted average grant date fair value
Unvested, beginning of year		2,298		$	5.49		2,738		$	4.43		3,263		$	3.74
Granted		744			9.21		795			8.65		1,205			5.75
Vested		(1,132	)		5.42		(1,087	)		5.22		(1,640	)		4.04
Forfeited		(108	)		6.22		(148	)		4.89		(90	)		4.11
Unvested, end of year		1,802		$	7.02		2,298		$	5.49		2,738		$	4.43

Summary of Allocation of Share Based Compensation Expense

The following table summarizes the allocation of share-based compensation expense related to employee stock options, restricted stock awards and grants under the employee stock purchase plan accounted for under ASC 718 for the years ended December 31, 2012, 2011 and 2010:

(In thousands)	2012		2011		2010
Cost of sales	$	575	$	650	$	604
Engineering, research and development expenses		500		566		476
Selling, general and administrative expenses		8,806		6,303		6,523
Share-based compensation expense		9,881		7,519		7,603
Tax benefit		3,686		2,805		2,836
Share-based compensation expense, net of tax	$	6,195	$	4,714	$	4,767

Weighted Average Assumptions Used In Valuation And Resulting Weighted Average Fair Value Per Option Granted

The following table presents the weighted-average assumptions used in the valuation and the resulting weighted-average fair value per option granted for the years ended December 31, 2012, 2011 and 2010:

Employee stock options:	2012			2011			2010
Volatility		82.4	%		79.3	%		75.2	%
Risk-free interest rate		0.6	%		1.8	%		2.1	%
Dividend yield		0	%		0	%		0	%
Expected life		3.8 years			4 years			3.9 years
Weighted average fair value per option	$	5.42		$	5.14		$	3.25