(Editor's Note: This story has been updated with more information regarding General Dynamics' stock bid offer.) CACI International has thrown its hat into the ring in the chase to purchase CSRA, offering more money per share than General Dynamics’ multibillion-dollar bid. General Dynamics announced in February it planned to acquire CSRA in a deal valued at $9.6 billion. That deal included an offer to buy all of CSRA’s stocks for $40.75 per share. However, CACI on Sunday countered GD’s proposal...