Shareholds of Dean Foods Company approved a proposed merger between Dean Foods and Dallas-based Suiza Foods today.

About 63 percent of the outstanding shares of the Franklin Park, Illinois-based dairy processing company, voted in favor of the transaction.

Suiza Foods’ shareholders are expected to vote on the merger on Sept. 21. The closing of the merger is subject to certain conditions in the merger agreement, including approval by the Department of Justice.

The merger is expected to be completed by the end of the year.

Dean Foods Company