v2.4.0.6

Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2011

Stockholders' Equity [Abstract]

Weighted-Average Assumptions

		Year Ended December 31,
		2010
		(In thousands)
Dividend yield			0.00	%
Expected volatility			67.79	%
Risk-free interest rate			2.90	%
Expected life of options (in years)			2.00

Stock Option Activity

		Number of shares				Weighted- Average Exercise Price
Options outstanding December 31, 2008			1,453,370			$	2.26
Options granted			—				—
Options exercised			420,583				2.19
Options forfeited			36,689				7.01
Options expired			2,819				4.87
Options outstanding December 31, 2009			993,279				2.11
Options granted			1,043,045				18.21
Options exercised			308,084				3.22
Options forfeited			5,628				9.65
Options expired			9,447				4.72
Options outstanding December 31, 2010			1,713,165				11.68
Options granted			0				0.00
Options exercised			203,894				1.82
Options forfeited			82				9.29
Options expired			1,670				5.91
Options outstanding December 31, 2011			1,507,519			$	13.02
Options exercisable at December 31, 2011			464,451			$	1.38

Option Outstanding Range Of Exercise Price

		Options Outstanding												Options Exercisable
Range of Exercise Prices		Options Outstanding				Weighted Average Exercise Price				Weighted Average Remaining Contractual Life (Years)				Options Exercisable				Weighted Average Exercise Price				Weighted Average Remaining Contractual Life (Years)
$0.25 - $2.50			369,023			$	0.41				2.03				369,023			$	0.41				2.03
$2.51 - $13.66			95,451			$	5.14				4.22				95,428			$	5.14				4.22
$13.67 - $18.21			1,043,045			$	18.21				3.34				—			$	—				—
			1,507,519			$	13.02				3.07				464,451			$	1.38				2.45

Nonvested Stock Awards

Nonvested Stock Awards		Restricted Stock				Restricted Stock Units				Number of Shares Underlying Awards				Weighted Average Grant- Date Fair Value
Nonvested at December 31, 2008			1,043,101				96,673				1,139,774			$	18.53
Granted			1,170,380				138,895				1,309,275				10.22
Vested			393,764				27,338				421,102				16.37
Forfeited			220,434				21,411				241,845				17.38
Nonvested at December 31, 2009			1,599,283				186,819				1,786,102			$	13.11
Granted			991,379				333,153				1,324,532				17.13
Vested			856,964				88,559				945,523				13.75
Forfeited			142,176				26,342				168,518				13.67
Nonvested at December 31, 2010			1,591,522				405,071				1,996,593			$	15.43
Granted			681,674				243,983				925,657				25.39
Vested			751,873				116,863				868,736				16.01
Forfeited			135,903				113,097				249,000				19.02
Nonvested at December 31, 2011			1,385,420				419,094				1,804,514			$	19.75

Shares Reserved For Issuance

Common stock available for future issuances under the Plans			2,063,753
Common stock reserved for outstanding options and restricted stock units			1,926,613
Common stock reserved for outstanding warrants			24,375
			4,014,741

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