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EARNINGS PER SHARE
6 Months Ended
Jun. 30, 2012
EARNINGS PER SHARE
EARNINGS PER SHARE
Earnings per common share data were as follows:

 
Three Months Ended
 
Six Months Ended
 
June 30,
 
June 30,
(in thousands, except per share data)
2012
 
2011
 
2012
 
2011
Net earnings
$
21,707

 
$
30,252

 
$
48,128

 
$
51,663

Weighted-average common shares outstanding, basic
41,170

 
47,877

 
41,642

 
48,903

Shares issued on exercise of dilutive options
4,350

 
5,591

 
4,622

 
6,142

Shares purchased with assumed proceeds of options and unearned restricted shares
(2,801
)
 
(3,305
)
 
(2,883
)
 
(3,799
)
Shares contingently issuable

 
4

 
1

 
4

Weighted-average common shares outstanding, diluted
42,719

 
50,167

 
43,382

 
51,250

Net earnings per common share, diluted
$
0.51

 
$
0.60

 
$
1.11

 
$
1.01

Anti-dilutive options excluded from calculation of weighted-average common shares outstanding, diluted
3,521

 
3,285

 
3,403

 
2,915