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Stock Repurchases (Tables)
 12 Months Ended
Dec. 31, 2018
Stock Repurchases [Abstract]  
Schedule of Repurchase of Common Stock

In 2017 and 2016 the Company repurchased shares of its common stock. Details of these purchases are as follows:

 

Period  Total
Number of
Shares
Purchased		   Average
Price Paid
per Share		   Total
Number of
Shares
Purchased
as Part of
Publicly
Announced
Program		   Maximum
Dollar
Value of
Shares that
May Yet Be
Purchased
Under the
Program		 
                 
Fourth Quarter 2016   283,343   $49.43    283,343      
First Quarter 2017                    
January 29 to February 25   900,997   $49.70    900,997      
February 26 to April 1   173,288   $49.92    173,288      
Third Quarter 2017                    
July 30 to August 26   4,490   $47.92    4,490      
August 27 to September 30   240,933   $46.30    240,933      
Total   1,603,051   $49.16    1,603,051   $88,710,000