Complex sentence: A few months later, on July 17,1997, the F. W. Woolworth Company changed its name to Venator Group and closed their remaining department stores, while expanding the specialty store idea.
Split into simpler sentences: A few months later, on July 17,1997, the F. W. Woolworth Company closed their remaining department stores. The surviving Woolworth Corporation changed its name to Venator Group, Inc., while continuing its focus on the specialty store idea.