Helen of Troy Limited—designer, developer and worldwide marketer of brand-name personal care, health care, home environment and household consumer products—reports the Dec. 30, 2011 closing of its previously announced agreement to acquire the Pur water purification products business from The Procter & Gamble Company. The deal for the water filtration business, for an undisclosed sum, will include manufacturing facilities. According to Helen of Troy, the goal of this acquisition is to exp...