GOODLETTSVILLE, Tenn.--(BUSINESS WIRE)--Dollar General Corporation (NYSE: DG) announced today that the Company’s Board of Directors has declared a quarterly cash dividend of $0.22 per share on the Company’s common stock. The dividend will be payable on September 30, 2015 to shareholders of record at the close of business on September 16, 2015. About Dollar General Corporation Dollar General Corporation has been delivering value to shoppers for over 75 years. Dollar General helps shoppers Save t