Dec 10 - Fitch Ratings has affirmed Anixter International Inc.'s (Anixter) and its wholly owned operating subsidiary, Anixter Inc.'s ratings as follows: Anixter --Issuer Default Rating (IDR) at 'BB+'; --Senior unsecured debt at 'BB-'. Anixter Inc. --IDR at 'BB+'; --Senior unsecured notes at 'BB+'; --Senior unsecured bank credit facility at 'BB+'. The Rating Outlook is Stable. Fitch's stable outlook for IT distributors in 2013 reflects the companies' strong liquidity and countercyclical c