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Earnings per Share Level 3 (Tables)
6 Months Ended
Jun. 30, 2012
Earnings Per Share [Abstract]  
Schedule of Weighted Average Number of Shares [Table Text Block]
The
following table summarizes the calculation of weighted average common shares outstanding used in the computation of diluted earnings per share (in thousands):

 
Three Months Ended
 
Six Months Ended
 
June 30,
 
June 30,
 
2012
 
2011
 
2012
 
2011
 
(Unaudited)
 
(Unaudited)
Weighted average basic common shares outstanding
47,473

 
45,945

 
47,539

 
45,587

Effect of dilutive securities:
 
 
 
 
 
 
 
Stock options
11

 
23

 
12

 
24

Contingent shares
133

 
68

 
124

 
63

Restricted stock and other
174

 
230

 
193

 
274

 Senior exchangeable notes

 
1,097

 

 
1,176

 Warrants

 
1,299

 

 
1,818

Weighted average diluted common and potential common shares outstanding
47,791

 
48,662

 
47,868

 
48,942