Complex sentence: There was some conflict within the House of Balenciaga on Ghesquiere's designs, with the Gucci group saying that if Balenciaga didn't become profitable within the year 2007, they would replace him.
Split into simpler sentences: There was some conflict within the House of Balenciaga on Ghesquiere's designs. The Gucci group said that if Balenciaga didn't become profitable within the year 2007, they would replace him.