Donaldson (NYSE: DCI) reported earnings on May 17. Here are the numbers you need to know.

The 10-second takeaway
 For the quarter ended April 30 (Q3), Donaldson missed estimates on revenues and missed estimates on earnings per share.

Compared to the prior-year quarter, revenue dropped. GAAP earnings per share didn't change.

Margins grew across the board.

Revenue details
 Donaldson logged revenue of $619.4 million. The nine analysts polled by S&P Capital IQ expected revenue of $659.5 million on the same basis. GAAP reported sales were the same as the prior-year quarter's.

Source: S&P Capital IQ. Quarterly periods. Dollar amounts in millions. Non-GAAP figures may vary to maintain comparability with estimates.

EPS details
 EPS came in at $0.46. The 11 earnings estimates compiled by S&P Capital IQ predicted $0.49 per share. GAAP EPS of $0.46 were the same as the prior-year quarter.

Source: S&P Capital IQ. Quarterly periods. Non-GAAP figures may vary to maintain comparability with estimates.

Margin details
 For the quarter, gross margin was 35.8%, 50 basis points better than the prior-year quarter. Operating margin was 15.9%, 70 basis points better than the prior-year quarter. Net margin was 11.3%, 30 basis points better than the prior-year quarter. (Margins calculated in GAAP terms.)

Looking ahead
 Next quarter's average estimate for revenue is $636.4 million. On the bottom line, the average EPS estimate is $0.50.

Next year's average estimate for revenue is $2.50 billion. The average EPS estimate is $1.67.

Investor sentiment

Of Wall Street recommendations tracked by S&P Capital IQ, the average opinion on Donaldson is hold, with an average price target of $36.00.

Looking for alternatives to Donaldson? It takes more than great companies to build a fortune for the future. Learn the basic financial habits of millionaires next door and get focused stock ideas in our free report, "3 Stocks That Will Help You Retire Rich." Click here for instant access to this free report.