CHESAPEAKE, Va.--(BUSINESS WIRE)--Dollar Tree, Inc. (NASDAQ: DLTR), North America’s leading operator of discount variety stores selling everything for $1 or less, announced today that it has completed the acquisition of Family Dollar Stores, Inc., a leading national discount retailer offering name brands and quality, private brand merchandise. “We are pleased to announce we have completed our acquisition of Family Dollar and we formally welcome the Family Dollar team to the Dollar Tree organiza