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Net Loss Per Share and Shareholders' Equity
 3 Months Ended
Mar. 31, 2017
Earnings Per Share [Abstract]  
Net Loss Per Share and Shareholders' Equity
Net (Loss) Earnings Per Share
The following is a reconciliation of the numerator and denominator of the basic and diluted net (loss) earnings per share ("EPS") computations:
 
 
Three Months Ended March 31,
 
 
2017
 
2016
 
(in millions, except common share and per common share amounts)
Numerator:
 
 
 
 
Net (loss) earnings
 
$
(24.6
)
 
$
9.8

Denominator:
 
 
 
 
Denominator for basic EPS–weighted-average common shares
 
68,260,015

 
67,179,348

Dilutive effect of stock-based compensation arrangements
 
—

 
2,496,120

Denominator for diluted EPS–adjusted weighted-average common shares
 
68,260,015

 
69,675,468

 
 
 
 
 
Basic EPS
 
$
(0.36
)
 
$
0.15

Diluted EPS
 
$
(0.36
)
 
$
0.14


The diluted EPS calculation for the three months ended March 31, 2017 excludes the effect of 674,023 shares of restricted stock, 194,733 restricted stock units, 83,130 performance stock units and 5,302,342 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.