XML 35 R18.htm IDEA: XBRL DOCUMENT v2.4.0.6
Earnings per Share (Tables)
 3 Months Ended
Mar. 31, 2013
Earnings Per Share [Abstract]  
Schedule of calculation of basic and diluted earnings per share
The following table sets forth the calculations of basic and diluted earnings per share:
 
For the Three Months Ended March 31,
 
2013
 
2012
 
(in thousands, except per share amounts)
Net income
$
16,727

 
$
26,336

Basic weighted-average common shares outstanding
66,211

 
64,104

Add: dilutive effect of stock options, unvested RSUs, and contingent PSUs
1,310

 
2,210

Add: dilutive effect of 3.50% Senior Convertible Notes
—

 
1,531

Diluted weighted-average common shares outstanding
67,521

 
67,845

Basic net income per common share
$
0.25

 
$
0.41

Diluted net income per common share
$
0.25

 
$
0.39