ARLINGTON, Va.--(BUSINESS WIRE)--Graham Holdings Company (NYSE: GHC) (the Company) today announced that it intends to offer, subject to market and other conditions, $500 million in aggregate principal amount of its senior unsecured notes due 2033 (the Notes). The Notes will be guaranteed, jointly and severally, on a senior unsecured basis, by certain of the Company's existing and future domestic subsidiaries. Substantially concurrently with the offering of Notes, the Company intends to amend an. ...