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Capital Stock
9 Months Ended
Sep. 30, 2018
Equity [Abstract]  
Capital Stock

(14) CAPITAL STOCK

We have authorized capital stock of 485.0 million shares which includes 475.0 million shares of common stock and 10.0 million shares of preferred stock. We currently have no preferred stock issued or outstanding. The following is a schedule of changes in the number of common shares outstanding since the beginning of 2017:

 

 

 

Nine Months
Ended
September 30,
2018

 

 

Year
Ended
December 31,
2017

 

Beginning balance

 

 

248,129,430

 

 

 

247,144,356

 

Restricted stock grants

 

 

853,291

 

 

 

539,096

 

Restricted stock units vested

 

 

430,287

 

 

 

344,937

 

Performance stock units issued

 

 

73,985

 

 

 

85,461

 

Performance stock dividends

 

 

2,164

 

 

 

 

Treasury shares issued

 

 

4,900

 

 

 

15,580

 

Ending balance

 

 

249,494,057

 

 

 

248,129,430