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Stockholders' Equity (Tables)
 12 Months Ended
Dec. 31, 2022
Equity [Abstract]  
Changes in Number of Shares of Class A Stock Outstanding
The following table reflects changes in the number of shares of Class A Stock outstanding for the years indicated:

20222021
Class A Stock outstanding, beginning of year12,447,036 12,381,778 
Issued pursuant to share-based compensation plans (note 16)105,807 242,450 
Repurchased and canceled pursuant to the stock buy-back(1,684,287)(177,192)
Class A Stock outstanding, end of year10,868,556 12,447,036