Stock Incentive Plans (Tables)

12 Months Ended

Dec. 31, 2014

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

Summary of Stock Option Activity

A summary of option activity during the three years ended December 31, 2014 is as follows:

	Options		Weighted Average Exercise Price
Outstanding — December 31, 2011	5,181,917		$	7.58
Exercised	(300,000	)	1.56
Canceled	(2,130,754	)	7.88
Outstanding — December 31, 2012	2,751,163		$	8.01
Exercised	(1,756,629	)	6.66
Canceled	(994,534	)	10.40
Outstanding — December 31, 2013	—		$	—
Exercised	—		—
Canceled	—		—
Outstanding — December 31, 2014	—		$	—

RSUs and Stock Awards Granted

Data concerning RSUs and stock awards granted in the years ended December 31:

	2014		2013		2012
RSUs — Employees	2,153,885		3,335,039		3,793,045
Weighted-average grant date fair value	$	10.22	$	7.34	$	5.44
Stock Awards — Board of Directors	77,139		103,842		207,288
Weighted-average grant date fair value	$	10.50	$	7.80	$	5.21

Summary of Nonvested RSU Activity

A summary of the changes in the number of unvested RSUs from December 31, 2011 to December 31, 2014 is presented below:

	Shares		Weighted Average Grant Date Fair Value
Outstanding — December 31, 2011	16,758,851		$	2.75
Granted	3,793,045		5.44
Released	(8,024,847	)	1.09
Forfeited	(216,762	)	4.53
Outstanding — December 31, 2012	12,310,287		$	4.63
Granted	3,335,039		7.34
Released	(5,299,116	)	3.94
Forfeited	(510,077	)	5.94
Outstanding — December 31, 2013	9,836,133		$	5.86
Granted	2,153,885		10.22
Released	(3,619,979	)	5.18
Forfeited	(756,341	)	7.45
Outstanding — December 31, 2014	7,613,698		$	7.20