Stock-Based Incentive Plans (Tables)

12 Months Ended

Dec. 31, 2011

Share-based Compensation Arrangement by Share-based Payment Award

Schedule of Share-based Compensation, Stock Options, Activity

The following table summarizes stock option activity for the Plans for the year ended December 31, 2011:

			Weighted-Average
	Options		Exercise Price		Remaining Contractual Term	Aggregate Intrinsic Value
Outstanding at December 31, 2010	521,000		$	5.41
Exercised	(87,000	)	$	4.73
Outstanding at December 31, 2011	434,000		$	5.55	2.8 years	$	13,442,000
Vested	434,000		$	5.55	2.8 years	$	13,442,000
Exercisable at December 31, 2011	434,000		$	5.55	2.8 years	$	13,442,000

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

The following table summarizes nonvested restricted share activity for the year ended December 31, 2011:

	Nonvested Restricted Shares		Weighted Average Grant Date Fair Value
Nonvested restricted stock at December 31, 2010	1,623,000		$	6.85
Granted	1,107,000		$	29.24
Vested	(1,180,000	)	$	9.36
Canceled	(45,000	)	$	17.72
Nonvested restricted stock at December 31, 2011	1,505,000		$	21.01

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

The following table summarizes restricted stock unit activity for the year ended December 31, 2011:

	Restricted Stock Units		Weighted Average Grant Date Fair Value
Nonvested restricted stock units outstanding at December 31, 2010	38,000		$	8.12
Granted	15,000		$	24.87
Vested	(27,000	)	$	9.41
Nonvested restricted stock units outstanding at December 31, 2011	26,000		$	16.57
Vested restricted stock units outstanding at December 31, 2011	72,000		$	7.56