Donaldson (NYSE:DCI) reported quarterly earnings of $1.15 per share which beat the analyst consensus estimate of $1.13 by 1.77 percent. This is a 11.65 percent increase over earnings of $1.03 per share from the same period last year. The company reported quarterly sales of $1.059 billion which beat the analyst consensus estimate of $1.043 billion by 1.51 percent. This is a 7.98 percent increase over sales of $980.700 million the same period last year.