Subsequent Events

3 Months Ended

Mar. 31, 2017

Subsequent Events:

Subsequent Events:

14. Subsequent Events: On April 25, 2017, the company announced that the Board of Directors approved a quarterly dividend of $1.50 per common share. The dividend is payable June 10, 2017 to shareholders of record on May 10, 2017. The dividend declaration represents an increase of $0.10 per common share, which is 7 percent higher than the prior quarterly dividend of $1.40 per common share.