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Earnings Per Share
 3 Months Ended
Mar. 31, 2016
Earnings Per Share [Abstract]  
Earnings Per Share
Earnings Per Share
The following table presents the computations of basic and diluted net earnings per share for the periods indicated:
 
Three Months Ended
 
March 31,
 
December 31,
 
March 31,
 
2016
 
2015
 
2015
 
(Dollars in thousands, except per share data)
Basic Earnings Per Share:
 
 
 
 
 
Net earnings
$
90,456

 
$
71,841

 
$
73,079

Less: Earnings allocated to unvested restricted stock (1)
(1,067
)
 
(690
)
 
(819
)
Net earnings allocated to common shares
$
89,389

 
$
71,151

 
$
72,260

 
 
 
 
 
 
Weighted-average basic shares and unvested restricted
 
 
 
 
 
stock outstanding
121,598

 
120,385

 
103,035

Less: Weighted-average unvested restricted stock outstanding
(1,392
)
 
(1,133
)
 
(1,122
)
Weighted-average basic shares outstanding
120,206

 
119,252

 
101,913

 
 
 
 
 
 
Basic earnings per share
$
0.74

 
$
0.60

 
$
0.71

 
 
 
 
 
 
Diluted Earnings Per Share:
 
 
 
 
 
Net earnings allocated to common shares
$
89,389

 
$
71,151

 
$
72,260

 
 
 
 
 
 
Weighted-average basic shares outstanding
120,206

 
119,252

 
101,913

 
 
 
 
 
 
Diluted earnings per share
$
0.74

 
$
0.60

 
$
0.71


________________________
(1)
Represents cash dividends paid to holders of unvested restricted stock, net of estimated forfeitures, plus undistributed earnings amounts available to holders of unvested restricted stock, if any.