Management Compensation And Incentive Plans (Tables)

3 Months Ended

Mar. 31, 2013

Management Compensation And Incentive Plans [Abstract]

Restricted Stock And Performance Share Awards Activity

Restricted stock and performance share awards activity under the plans for the year ended December 31, 2012, was:

	Number of Shares		Weighted- Average Grant Date Fair Value
Outstanding unvested at January 1, 2012	1,725,158		$	15.82
Granted	964,906		10.08
Vested	(523,713	)	13.99
Forfeited/canceled/expired	(314,432	)	16.10
Outstanding at December 31, 2012	1,851,919		$	13.30

Restricted stock and performance share awards activity under the plans for the three months ended March 31, 2013 was:

	Number of Shares		Weighted- Average Grant  Date Fair Value
Outstanding unvested as of January 1, 2013	1,851,919		$	13.30
Granted	90,542		8.77
Vested	(288,939	)	15.90
Forfeited/canceled/expired	(70,821	)	19.21
Outstanding unvested as of March 31, 2013	1,582,701		12.30

Schedule Of Weighted Average Assumptions Used In Option-Pricing Model For Options Granted

The weighted average assumptions used in our Black-Scholes option-pricing model for options granted in 2010, 2011 and 2012 are:

	For the Year Ended December 31, 2010		For the Year Ended December 31, 2011		For the Year Ended December 31, 2012
Dividend yield	—	%	—	%	—	%
Expected volatility	64.53% - 69.76%		57.75% - 58.83%		55.33-57.32
Risk-free interest rate	1.43% - 3.08%		0.85% - 2.24%		0.66% - 0.90%
Expected term in years	6 years		6 years		6 years

Stock Option Activity Under The Plans

Stock option activity under the plans for the year ended December 31, 2012 was:

	Number of Shares		Weighted- Average Exercise Price
Outstanding at January 1, 2012	1,327,087		$	13.15
Granted	441,700		9.82
Exercised	(21,471	)	7.35
Forfeited/canceled/expired	(17,167	)	15.49
Outstanding at December 31, 2012	1,730,149		$	12.35

	Number of Shares		Weighted- Average Exercise Price
Outstanding as of January 1, 2013	1,730,149		$	12.35
Granted	5,200		9.74
Forfeited/canceled/expired	—		—
Exercised	(40,735	)	4.29
Outstanding as of March 31, 2013	1,694,614		12.54

Schedule Of Stock Options Outstanding And Exercisable

Stock options outstanding and exercisable under our plans at December 31, 2012 are:

			Options Outstanding			Options Exercisable
Range of Exercise Prices			Number Outstanding	Weighted Average Remaining Contractual Life in Years	Weighted Average Exercise Prices	Number Exercisable	Weighted Average Exercise Prices
$2.83	-	$22.57	1,730,149	7.3	$12.35	948,662	$	12.44