Stock-Based Compensation (Tables)

9 Months Ended

Sep. 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				Nine Months Ended
	September 30,				September 30,
(In millions)	2016		2015		2016		2015
Stock-based compensation expense	$	0.2	$	0.3	$	0.6	$	1.7

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	(1,158,915	)	16.01
Forfeited	(506,014	)	1.52
Outstanding September 30, 2016	2,899,070		$	7.71
Exercisable as of September 30, 2016	2,288,411		$	9.37

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

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

	Nine Months Ended
	September 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	(306,888	)	2.47
Forfeited	(102,407	)	2.33
Nonvested as of September 30, 2016	753,481		$	2.28