Subsequent Events:

3 Months Ended

Mar. 31, 2014

Subsequent Events:

Subsequent Events:

14. Subsequent Events: On April 29, 2014, the company announced that the Board of Directors approved a quarterly dividend of $1.10 per common share. The dividend is payable June 10, 2014 to shareholders of record on May 9, 2014. The dividend declaration represents an increase of $0.15 per common share, which is 16 percent higher than the prior quarterly dividend of $0.95 per common share.