Stock-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2014

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

Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs

Stock-based compensation consisted of the following:

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
(In millions)	2014		2013		2014		2013
Stock-based compensation expense	$	1.1	$	1.9	$	4.1	$	5.1

Schedule of Share-based Compensation, Stock Options, Activity

The following table summarizes our stock option activity:

	Stock Options		Weighted Average Exercise Price
Outstanding December 31, 2013	5,371,538		$	13.11
Granted	61,275		3.72
Exercised	(87,569	)	3.97
Canceled	(856,854	)	18.85
Forfeited	(565,246	)	4.14
Outstanding September 30, 2014	3,923,144		$	13.15
Exercisable as of September 30, 2014	3,383,760		$	14.50

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions

The following table summarizes our weighted average assumptions used in the valuation of stock options:

	Nine Months Ended September 30,
	2014		2013
Volatility	46.2	%	42.8	%
Risk-free interest rate	1.9	%	1.1	%
Expected life (months)	73		72
Dividend yield	—		—

Schedule of Share-based Compensation, Restricted Stock Activity

The following table summarizes our restricted stock activity:

	Restricted Stock		Weighted Average Grant Date Fair Value Per Share
Nonvested as of December 31, 2013	1,192,321		$	4.87
Granted	1,170,354		3.68
Grant Adjustments	(4,925	)	3.75
Vested	(728,776	)	5.18
Forfeited	(317,895	)	3.94
Nonvested as of September 30, 2014	1,311,079		$	3.85