Brief: Arthur J. Gallagher & Co. Acquires Dion Leadership, Inc.
Aug 4 (Reuters) - Arthur J. Gallagher & Co. AJG.N: ARTHUR J. GALLAGHER & CO. ACQUIRES DION LEADERSHIP, INC. ARTHUR J. GALLAGHER & CO. - TERMS OF DEAL NOT DISCLOSED Source text: ID:nPn7gD7Tla Further company coverage: AJG.N ((Reuters.Briefs@thomsonreuters.com;))