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Earnings Per Share
 6 Months Ended
Jun. 30, 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
 
Six Months Ended
 
June 30,
 
March 31,
 
June 30,
 
June 30,
 
2016
 
2016
 
2015
 
2016
 
2015
 
(Dollars in thousands, except per share data)
Basic Earnings Per Share:
 
 
 
 
 
 
 
 
 
Net earnings
$
82,168

 
$
90,456

 
$
85,083

 
$
172,624

 
$
158,162

Less: Earnings allocated to unvested restricted stock (1)
(863
)
 
(1,067
)
 
(807
)
 
(1,933
)
 
(1,570
)
Net earnings allocated to common shares
$
81,305

 
$
89,389

 
$
84,276

 
$
170,691

 
$
156,592

 
 
 
 
 
 
 
 
 
 
Weighted-average basic shares and unvested restricted
 
 
 
 
 
 
 
 
 
stock outstanding
121,799

 
121,598

 
103,030

 
121,698

 
103,033

Less: Weighted-average unvested restricted stock
 
 
 
 
 
 
 
 
 
outstanding
(1,481
)
 
(1,392
)
 
(1,060
)
 
(1,436
)
 
(1,091
)
Weighted-average basic shares outstanding
120,318

 
120,206

 
101,970

 
120,262

 
101,942

 
 
 
 
 
 
 
 
 
 
Basic earnings per share
$
0.68

 
$
0.74

 
$
0.83

 
$
1.42

 
$
1.54

 
 
 
 
 
 
 
 
 
 
Diluted Earnings Per Share:
 
 
 
 
 
 
 
 
 
Net earnings allocated to common shares
$
81,305

 
$
89,389

 
$
84,276

 
$
170,691

 
$
156,592

 
 
 
 
 
 
 
 
 
 
Weighted-average basic shares outstanding
120,318

 
120,206

 
101,970

 
120,262

 
101,942

 
 
 
 
 
 
 
 
 
 
Diluted earnings per share
$
0.68

 
$
0.74

 
$
0.83

 
$
1.42

 
$
1.54


________________________
(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.