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BASIC AND DILUTED EARNINGS PER COMMON SHARE
 9 Months Ended
Sep. 30, 2018
Earnings Per Share, Basic and Diluted [Abstract]  
BASIC AND DILUTED EARNINGS PER COMMON SHARE
BASIC AND DILUTED EARNINGS PER COMMON SHARE
Shares used in basic (loss) earnings per share are computed using the weighted-average number of common shares outstanding during each period. Shares used in diluted (loss) earnings per share include the dilutive effect of unvested restricted stock under the Company’s Stock Plan and unvested restricted stock units under the long-term incentive program under the Company’s Stock Plan using the treasury stock method. For the three and nine months ended September 30, 2018, diluted loss per share equals basic loss per share, as the assumed vesting of restricted stock and restricted stock units would have an anti-dilutive effect. As of September 30, 2018 and 2017, there were no outstanding stock options under the Company's Stock Plan. See Note 17, "Stock Compensation Plan," for information on certain restricted stock unit awards communicated to employees.

Following are the components of basic and diluted (loss) earnings per common share for the periods presented:
 
Three months ended September 30,
 
Nine months ended September 30,
 
2018
 
2017
 
2018
 
2017
Numerator:
 
 
 
 
 
 
 
Loss from continuing operations, net of taxes
$
(10.7
)
 
$
(32.8
)
 
$
(223.8
)
 
$
(107.6
)
(Loss) income from discontinued operations, net of taxes
(0.4
)
 
0.4

 
(0.1
)
 
1.3

Net loss
$
(11.1
)
 
$
(32.4
)
 
$
(223.9
)
 
$
(106.3
)
Denominator:
 
 
 
 
 
 
 
Weighted-average common shares outstanding – Basic
52,834,879

 
52,615,412

 
52,777,883

 
52,584,954

Effect of dilutive restricted stock
—

 
—

 
—

 
—

Weighted-average common shares outstanding – Diluted
52,834,879

 
52,615,412

 
52,777,883

 
52,584,954

Basic (loss) earnings per common share:
 
 
 
 
 
 
 
Continuing operations
$
(0.20
)
 
$
(0.62
)
 
$
(4.24
)
 
$
(2.04
)
Discontinued operations
(0.01
)
 
0.01

 
—

 
0.02

Net loss per common share
$
(0.21
)
 
$
(0.61
)
 
$
(4.24
)
 
$
(2.02
)
Diluted (loss) earnings per common share:


 
 
 
 
 
 
Continuing operations
$
(0.20
)
 
$
(0.62
)
 
$
(4.24
)
 
$
(2.04
)
Discontinued operations
(0.01
)
 
0.01

 
—

 
0.02

Net loss per common share
$
(0.21
)
 
$
(0.61
)
 
$
(4.24
)
 
$
(2.02
)
 
 
 
 
 
 
 
 
Unvested restricted stock and restricted stock unit awards under the Stock Plan(a)
197,667

 
19,506

 
165,961

 
19,486


(a) 
These are outstanding common stock equivalents that were not included in the computation of diluted earnings per common share because their inclusion would have had an anti-dilutive effect.