Share-Based Compensation Plans (Tables)

9 Months Ended

Sep. 30, 2011

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

Employee service share based compensation allocation of recognized period

The following table presents share-based compensation expense attributable to stock options and restricted shares. There is no deferred income tax benefit.

	For the Three Months Ended September 30,				For the Nine Months Ended September 30,
	2011		2010		2011		2010
	(In thousands)
Stock options	$	497	$	591	$	1,550	$	1,850
Restricted shares	532		149		2,497		883
Total share-based compensation expense	$	1,029	$	740	$	4,047	$	2,733

The following table presents share-based compensation expense as included in the Consolidated Statements of Income:

	For the Three Months Ended September 30,				For the Nine Months Ended September 30,
	2011		2010		2011		2010
	(In thousands)
Cost of sales	$	7	$	7	$	13	$	20
Selling, general and administrative	890		638		3,510		2,379
Research and development	132		95		524		334
Total share-based compensation expense	$	1,029	$	740	$	4,047	$	2,733

Summary of all common stock option activity

The following table summarizes our stock option activity for the nine months ended September 30, 2011:

	Number of Shares (In thousands)		Weighted Average Exercise Price Per Share		Average Remaining Contractual Term (Years)	Aggregate Intrinsic Value (In thousands)
Outstanding at December 31, 2010	7,843		$	10.26
Granted	120		6.46
Exercised	(187	)	4.99
Forfeited or expired	(1,545	)	11.63
Outstanding at September 30, 2011	6,231		$	10.00	3.10	$	109
Fully vested and expected to vest at September 30, 2011	6,195		$	10.01	3.07	$	109
Exercisable at September 30, 2011	5,678		$	10.17	2.69	$	109

Assumptions used in valuing the weighted average fair values of the options granted

The following assumptions were used in the Black-Scholes option pricing model to calculate weighted average fair values of the options granted for the nine months ended September 30, 2011 and 2010.

	For the Nine Months Ended September 30,
	2011			2010
Expected life (in years)	6.2			6.0
Risk-free interest rate	2.4		%	3.0		%
Volatility	67		%	71		%
Dividend yield	—			—
Weighted average grant date fair value per option granted	$	4.06		$	5.00

Restricted share activity

The following table summarizes our restricted share activity for the nine months ended September 30, 2011:

	Number of Shares (In thousands)		Weighted Average Grant-Date Fair Value (Per share)
Nonvested at December 31, 2010	372		$	5.96
Awards granted	809		7.70
Awards vested	(306	)	6.81
Awards forfeited	(116	)	7.18
Nonvested at September 30, 2011	759		$	7.29