Cintas Corp (NASDAQ:CTAS) will release earnings results for its second quarter before the opening bell on Thursday, Dec. 18.Analysts expect the Cincinnati, Ohio-based company to report quarterly earnings at $1.19 per share, up from$1.09 per share in the year-ago period. The consensus estimate for Cintas quarterly revenue is $2.77 billion. Last year, it reported$2.56 billion in revenue, according to Benzinga Pro.On Oct. 28, Cintas announced a quarterly cash dividend and new $1.0 billion stock buyback autho ...