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Earnings Per Share
 9 Months Ended
Sep. 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
 
Nine Months Ended
 
September 30,
 
June 30,
 
September 30,
 
September 30,
 
2016
 
2016
 
2015
 
2016
 
2015
 
(Dollars in thousands, except per share data)
Basic Earnings Per Share:
 
 
 
 
 
 
 
 
 
Net earnings
$
93,895

 
$
82,168

 
$
69,616

 
$
266,519

 
$
227,778

Less: Earnings allocated to unvested restricted stock (1)
(1,048
)
 
(863
)
 
(649
)
 
(2,983
)
 
(2,213
)
Net earnings allocated to common shares
$
92,847

 
$
81,305

 
$
68,967

 
$
263,536

 
$
225,565

 
 
 
 
 
 
 
 
 
 
Weighted-average basic shares and unvested restricted
 
 
 
 
 
 
 
 
 
stock outstanding
121,818

 
121,799

 
103,048

 
121,739

 
103,038

Less: Weighted-average unvested restricted stock
 
 
 
 
 
 
 
 
 
outstanding
(1,401
)
 
(1,481
)
 
(985
)
 
(1,425
)
 
(1,055
)
Weighted-average basic shares outstanding
120,417

 
120,318

 
102,063

 
120,314

 
101,983

 
 
 
 
 
 
 
 
 
 
Basic earnings per share
$
0.77

 
$
0.68

 
$
0.68

 
$
2.19

 
$
2.21

 
 
 
 
 
 
 
 
 
 
Diluted Earnings Per Share:
 
 
 
 
 
 
 
 
 
Net earnings allocated to common shares
$
92,847

 
$
81,305

 
$
68,967

 
$
263,536

 
$
225,565

 
 
 
 
 
 
 
 
 
 
Weighted-average basic shares outstanding
120,417

 
120,318

 
102,063

 
120,314

 
101,983

 
 
 
 
 
 
 
 
 
 
Diluted earnings per share
$
0.77

 
$
0.68

 
$
0.68

 
$
2.19

 
$
2.21


________________________
(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.