Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Earnings per share (Tables)

v3.8.0.1
Earnings per share (Tables)
12 Months Ended
Dec. 31, 2017
Earnings Per Share [Abstract]  
Schedule of computations of basic and diluted earnings per share
The computations of basic and diluted EPS for the years ended December 31, 2017, 2016 and 2015 were as follows:
 
Year Ended December 31,
 
2017
 
2016
 
2015
Net income for the computation of basic EPS
$
1,076,151

 
$
1,046,630

 
$
1,178,730

Weighted average ordinary shares outstanding—basic
161,059,552

 
185,514,370

 
203,850,828

Basic EPS
$
6.68

 
$
5.64

 
$
5.78

 
Year Ended December 31,
 
2017
 
2016
 
2015
Net income for the computation of diluted EPS
$
1,076,151

 
$
1,046,630

 
$
1,178,730

Weighted average ordinary shares outstanding—diluted
167,287,508

 
189,682,036

 
206,224,135

Diluted EPS
$
6.43

 
$
5.52

 
$
5.72

Schedule of computation of ordinary shares outstanding, excluding unvested restricted stock
The computations of ordinary shares outstanding, excluding shares of unvested restricted stock, as of December 31, 2017, 2016 and 2015 were as follows:
 
As of December 31,
 
2017
 
2016
 
2015
 
Number of ordinary shares
Ordinary shares issued
167,847,345

 
187,847,345

 
203,411,207

Treasury shares
(14,855,244
)
 
(11,600,191
)
 
(3,069,003
)
Ordinary shares outstanding
152,992,101

 
176,247,154

 
200,342,204

Shares of unvested restricted stock
(3,007,752
)
 
(3,426,810
)
 
(3,030,724
)
Ordinary shares outstanding, excluding shares of unvested restricted stock
149,984,349

 
172,820,344

 
197,311,480