Complex sentence: In June 2007, all of Dennis's United States holdings--minus the U.S. edition of "The Week"--were sold to the private equity firm Quadrangle Group, this included the editions of "Maxim", "Stuff" & "Blender".
Split into simpler sentences: In June 2007, all of Dennis's United States holdings--minus the U.S. edition of "The Week"--were sold to the private equity firm Quadrangle Group. This included the editions of "Maxim", "Stuff" and "Blender".