Subsequent Events

3 Months Ended

Mar. 31, 2016

Subsequent Events:

Subsequent Events:

14. Subsequent Events: On April 26, 2016, the company announced that the Board of Directors approved a quarterly dividend of $1.40 per common share. The dividend is payable June 10, 2016 to shareholders of record on May 10, 2016. The dividend declaration represents an increase of $0.10 per common share, which is 8 percent higher than the prior quarterly dividend of $1.30 per common share.