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Net Loss Per Share and Shareholders' Equity
 3 Months Ended
Mar. 31, 2016
Earnings Per Share [Abstract]  
Net Loss Per Share and Shareholders' Equity
Net Earnings (Loss) Per Share and Shareholders’ Equity
The following is a reconciliation of the numerator and denominator of the basic and diluted net earnings (loss) per share (EPS) computations:
 
 
Three Months Ended March 31,
 
 
2016
 
2015
(in millions, except common share and per common share amounts)
 
 
 
 
Numerator:
 
 
 
 
Net loss applicable to common shareholders
 
$
9.8

 
$
(15.9
)
Denominator:
 
 
 
 
Denominator for basic EPS–weighted-average common shares
 
67,179,348

 
52,288,757

Dilutive effect of stock-based compensation arrangements
 
2,496,120

 
—

Denominator for diluted EPS–adjusted weighted-average common shares
 
69,675,468

 
52,288,757

 
 
 
 
 
Basic EPS
 
$
0.15

 
$
(0.30
)
Diluted EPS
 
$
0.14

 
$
(0.30
)

The diluted EPS calculation for the three months ended March 31, 2015 excludes the effect of 5,142,688 outstanding stock options as their effect is anti-dilutive. Holders of non-vested stock-based compensation awards do not have voting rights or rights to receive nonforfeitable dividends on the shares covered by the awards.