Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2016

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

Schedule of Stock-Based Compensation

Stock-based compensation for continuing operations consisted of the following: Stock-based compensation for discontinued operations was immaterial.

	Three Months Ended				Six Months Ended
	June 30,				June 30,
(In millions)	2016		2015		2016		2015
Stock-based compensation expense	$	0.2	$	0.5	$	0.4	$	1.4

Summary of Stock Option Activity

The following table summarizes our stock option activity:

	Stock Options		Weighted Average Exercise Price
Outstanding December 31, 2015	4,551,221		$	9.02
Granted	20,000		0.83
Exercised	(7,222	)	1.40
Canceled	(1,084,571	)	16.40
Forfeited	(339,347	)	1.59
Outstanding June 30, 2016	3,140,081		$	7.44
Exercisable as of June 30, 2016	2,295,177		$	9.63

Summary of Weighted Average Assumptions Used in the Valuation of Stock Options

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

	Six Months Ended
	June 30,
	2016		2015
Volatility	41.0	%	46.0	%
Risk-free interest rate	1.8	%	1.9	%
Expected life (months)	72		73
Dividend yield	—		—

Summary of 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, 2015	1,162,776		$	2.34
Granted	—		—
Vested	(257,656	)	2.69
Forfeited	(84,656	)	2.55
Nonvested as of June 30, 2016	820,464		$	2.21