XML 43 R23.htm IDEA: XBRL DOCUMENT v2.4.1.9
Earnings Per Share (Tables)
 3 Months Ended
Mar. 31, 2015
Earnings Per Share [Abstract]  
Computation of basic and diluted earnings per share
 
For the Three Months Ended 
 March 31,
 
2015
 
2014
Numerator (basic and diluted):
 
 
 
Net income
$
212,864

 
$
173,860

 
 
 
 
Denominator:
 
 
 
Denominator for basic earnings per share - weighted-average shares
101,612

 
106,191

Effect of stock options (1)
1,645

 
1,879

Denominator for diluted earnings per share - weighted-average shares
103,257

 
108,070

 
 
 
 
Earnings per share:
 
 
 
Earnings per share-basic
$
2.09

 
$
1.64

Earnings per share-assuming dilution
$
2.06

 
$
1.61

 
 
 
 
Antidilutive potential common shares not included in the calculation of diluted earnings per share:
 
 
 
Stock options (1)
278

 
288

Weighted-average exercise price per share of antidilutive stock options (1)
$
195.90

 
$
135.22


(1) 
See Note 6 for further discussion on the terms of the Company's share-based compensation plans.