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(Loss) Earnings per Common Share (Tables)
 9 Months Ended
Sep. 30, 2012
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted
The following table sets forth the computation of the weighted average basic and diluted (loss) earnings per share:
 
 
Three Months Ended
 
Nine Months Ended
 
 
September 30,
 
September 30,
(In millions, except for per share amounts)
 
2012
 
2011
 
2012
 
2011
Numerator:
 
 
 
 
 
 
 
 
Net loss
 
$
(6.3
)
 
$
(14.1
)
 
$
(30.5
)
 
$
(33.8
)
Denominator:
 
 
 
 
 
 
 
 
Weighted average number of common shares outstanding during the period
 
37.4

 
37.5

 
37.6

 
37.8

Dilutive effect of stock-based compensation plans
 
—

 
—

 
—

 
—

Weighted average number of diluted shares outstanding during the period
 
37.4

 
37.5

 
37.6

 
37.8

 
 
 
 
 
 
 
 
 
(Loss) earnings per common share — basic
 
(0.17
)
 
(0.38
)
 
(0.81
)
 
(0.89
)
(Loss) earnings per common share — diluted
 
(0.17
)
 
(0.38
)
 
(0.81
)
 
(0.89
)
Anti-dilutive options excluded from calculation
 
6.5

 
6.2

 
6.2

 
5.0