Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 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
	March 31,
(In millions)	2016		2015
Stock-based compensation expense	$	0.2	$	0.9

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	—		—
Canceled	(437,920	)	17.06
Forfeited	(264,207	)	1.46
Outstanding March 31, 2016	3,869,094		$	8.59
Exercisable as of March 31, 2016	2,867,618		$	11.06

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:

	Three Months Ended
	March 31,
	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	(155,596	)	2.62
Forfeited	(67,615	)	2.88
Nonvested as of March 31, 2016	939,565		$	2.26