NEW YORK--(BUSINESS WIRE)--Fitch Ratings has affirmed the 'BBB+' Issuer Default Rating (IDR) assigned to McGraw Hill Financial, Inc. (MHFI) with a Stable Outlook. A full list of ratings follows at the end of this release. Fitch's action follows MHFI's announcement that it intends to acquire SNL Financial (SNL) for approximately $2.225 billion. The purchase will be funded with a mix of cash on hand ($525 million) and incremental debt ($1.7 billion, with a $1 billion bridge already committed) and