| EARNINGS/(LOSS) PER SHARE | 
        
EARNINGS PER SHARE 
Basic and diluted earnings per common share were calculated as follows (in thousands, except per share amounts):  
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   | 
Three Months Ended September 30,  | 
   | 
Nine Months Ended September 30,  | 
 
   | 
2014  | 
   | 
2013  | 
   | 
2014  | 
   | 
2013  | 
 
Basic weighted average number of shares outstanding  | 
39,123  | 
 
  | 
   | 
36,226  | 
 
  | 
   | 
38,977  | 
 
  | 
   | 
36,060  | 
 
  | 
 
Effect of dilutive securities:  | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
 
Convertible debt (1)  | 
2,176  | 
 
  | 
   | 
2,176  | 
 
  | 
   | 
2,176  | 
 
  | 
   | 
2,176  | 
 
  | 
 
Stock options and unvested restricted stock  | 
357  | 
 
  | 
   | 
463  | 
 
  | 
   | 
411  | 
 
  | 
   | 
535  | 
 
  | 
 
Diluted weighted average shares outstanding  | 
41,656  | 
 
  | 
   | 
38,865  | 
 
  | 
   | 
41,564  | 
 
  | 
   | 
38,771  | 
 
  | 
 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
 
Net earnings as reported  | 
$  | 
32,577  | 
 
  | 
   | 
$  | 
38,191  | 
 
  | 
   | 
$  | 
93,033  | 
 
  | 
   | 
$  | 
78,375  | 
 
  | 
 
Interest attributable to convertible senior notes, net of income taxes  | 
378  | 
 
  | 
   | 
393  | 
 
  | 
   | 
1,135  | 
 
  | 
   | 
1,180  | 
 
  | 
 
Net earnings for diluted earnings per share  | 
$  | 
32,955  | 
 
  | 
   | 
38,584  | 
 
  | 
   | 
$  | 
94,168  | 
 
  | 
   | 
79,555  | 
 
  | 
 
Basic earnings per share  | 
$  | 
0.83  | 
 
  | 
   | 
$  | 
1.05  | 
 
  | 
   | 
$  | 
2.39  | 
 
  | 
   | 
$  | 
2.17  | 
 
  | 
 
Diluted earnings per share (1)  | 
$  | 
0.79  | 
 
  | 
   | 
$  | 
0.99  | 
 
  | 
   | 
$  | 
2.27  | 
 
  | 
   | 
$  | 
2.05  | 
 
  | 
 
Antidilutive stock options not included in the calculation of diluted earnings per share  | 
22  | 
 
  | 
   | 
10  | 
 
  | 
   | 
24  | 
 
  | 
   | 
5  | 
 
  | 
 
  
 
 
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(1)  | 
In accordance with ASC Subtopic 260-10, Earnings Per Share, we calculate the dilutive effect of convertible securities using the "if-converted" method.
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