Annual report pursuant to Section 13 and 15(d)

Shareholders' Equity

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Shareholders' Equity
12 Months Ended
Dec. 31, 2018
Shareholders' Equity [Abstract]  
Shareholders' Equity

14. SHAREHOLDERS’ EQUITY

Preferred stockAuthorized preferred stock consists of 500,000 shares with a par value of $25 per share. No shares of preferred stock were issued and outstanding as of December 31, 2018 or 2017.  



Treasury stockIn the years ended December 31, 2018,  2017 and 2016, we withheld 26,421,  26,000 and 40,926 shares, respectively, in connection with cashless stock option exercises and restricted stock vestings to satisfy tax withholding obligations related to stock option exercises.  In the year ended December 31, 2018, restricted stock vestings of 35,265 shares were issued from treasury.