(June 27, 2016, 7:34 AM EDT) -- MADISON, Wis. —An insurer and its reinsurer told a federal court in Wisconsin on June 22 that they had agreed to end their case over a dispute regarding choice of an arbitration umpire (Employers Insurance of Wausau f/d/a Employers Insurance of Wausau a Mutual Company v. Continental Casualty Company, No. 16-cv-00205, W.D. Wis.)....