Stock-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2014

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

Stock Options Outstanding Under Equity-Based Compensation Plans

Stock Options

A summary of the changes in stock options outstanding during the nine months ended September 30, 2014 is presented below:

	Number of Options		Weighted Average Remaining Contract Term (Years)	Weighted Average Exercise Price		Aggregate Intrinsic Value
Options outstanding as of December 31, 2013	2.6		4.2	$	10.46	$	17.8
Granted	0.4			16.03		—
Exercised	—			—		0.2
Canceled	(1.1	)		9.04		—
Options outstanding as of March 31, 2014	1.9		7.7	$	12.62	$	5.0
Granted	0.2			8.94		—
Exercised	—			—		0.1
Canceled	(0.1	)		13.88		—
Options outstanding as of June 30, 2014	2.0		7.4	$	12.34	$	2.3
Granted	—			—		—
Exercised	(0.1	)		9.11		0.1
Canceled	(0.2	)		17.36		—
Options outstanding as of September 30, 2014	1.7		7.1	$	11.71	$	1.8
Options exercisable as of September 30, 2014	0.9		6.1	$	11.01	$	1.1

RSUs Outstanding Under Equity-Based Compensation Plans

Restricted Stock Units

A summary of the changes in RSUs outstanding during the nine months ended September 30, 2014 is presented below:

	Number of RSUs		Weighted Average Grant Date Fair Value Per RSU
Unvested units as of December 31, 2013	5.2		$	11.93
Granted	1.4		16.02
Vested	(1.7	)	10.09
Canceled	(0.1	)	13.84
Unvested units as of March 31, 2014	4.8		$	13.76
Granted	0.3		10.33
Vested	(0.4	)	11.53
Canceled	(0.3	)	13.44
Unvested units as of June 30, 2014	4.4		$	13.50
Granted	—		8.95
Vested	(0.2	)	14.56
Canceled	(0.2	)	15.80
Unvested units as of September 30, 2014	4.0		$	13.43