XML 27 R19.htm IDEA: XBRL DOCUMENT v3.23.1
Stockholders' Equity (Tables)
 3 Months Ended
Mar. 31, 2023
Stockholders' Equity Note [Abstract]  
Schedule of Dividends Paid Previously or Declared
The following table presents the cash dividends either paid previously or declared by our board of directors for future payment on a per share basis:
20232022
First quarter$0.35 $0.31 
Second quarter$0.35 $0.31 
Third quarter$0.31 
Fourth quarter$0.31 
Total$0.70 $1.24 
Stock Options Granted
The following tables summarize the details of options granted under our stock option plans that were outstanding as of March 31, 2023, and the assumptions used to value those grants. All such grants were effective at the close of business on the date of grant.
 Options
Granted		Option Exercise
Price		Closing Stock Price on Date
of Grant		March 31, 2023
Date of GrantOptions
Outstanding		Options
Exercisable
January 3, 20231,071,943 $48.00 $47.400 1,062,367 70,562 
January 3, 2022713,438 $62.00 $61.980 666,921 53,355 
January 4, 2021741,510 $48.00 $47.650 654,243 244,108 
January 2, 2020902,263 $38.00 $37.230 744,467 382,024 
January 2, 20191,316,924 $26.00 $25.705 900,545 559,781 
January 2, 20181,087,936 $27.50 $27.270 658,540 527,626 
January 3, 20171,529,578 $23.50 $23.475 651,325 547,059 
April 19, 20161,690,880 $23.00 $22.870 478,231 356,861 
April 21, 20151,786,440 $21.00 $20.630 322,855 247,151 
April 22, 20141,910,000 $28.00 $25.265 30,298 30,298 
Total12,750,912 6,169,792 3,018,825 
Fair Value Assumptions for Options Granted
Date of GrantRisk-free
Interest Rate		Expected Life of
Option in Years		Expected
Dividend
Yield		Expected
Stock
Volatility		Estimated Fair
Value of Stock
Option
January 3, 20234.0 %5.002.6 %29.58 %$11.62 
January 3, 20221.3 %5.001.7 %28.52 %$13.68 
January 4, 20210.4 %5.002.0 %29.17 %$9.57 
January 2, 20201.7 %5.002.4 %25.70 %$6.81 
January 2, 20192.5 %5.002.9 %23.96 %$4.40 
January 2, 20182.2 %5.002.3 %23.45 %$5.02 
January 3, 20171.9 %5.002.6 %24.49 %$4.20 
April 19, 20161.3 %5.002.6 %26.34 %$4.09 
April 21, 20151.3 %5.002.7 %26.84 %$3.68 
April 22, 20141.8 %5.002.0 %28.55 %$4.79 
Reconciliation of Denominators Used in Computation of Basic and Diluted Earnings Per Share
The following tables present a reconciliation of the denominators used in the computation of basic and diluted earnings per share and a summary of the options to purchase shares of common stock which were excluded from the diluted earnings per share calculation because they were anti-dilutive:
 Three-month Period
Reconciliation20232022
Basic weighted average shares outstanding570,928,848 575,559,161 
Weighted shares assumed upon exercise of stock options1,703,741 2,059,645 
Diluted weighted average shares outstanding572,632,589 577,618,806 
Anti-Dilutive Options Excluded
 Three-month Period
Summary of Anti-dilutive Options Excluded20232022
Options to purchase shares of common stock2,269,908 930,401 
Weighted average exercise prices of options$52.17 58.40