Lancaster Colony, a manufacturer and marketer of specialty food products for the retail and foodservice market, has announced that it is to acquire Flatout Holdings, a producer of branded flatbread products predominantly for retail channels. Lancaster Colony is acquiring Flatout from private equity firm North Castle Partners through its wholly-owned subsidiary T. Marzetti Company for a price of appoximately $92 million on a cash-free and debt-free basis. Bruce Rosa, President …