Pentair (NYSE: PNR) reported earnings on April 24. Here are the numbers you need to know.

The 10-second takeaway
For the quarter ended March 31 (Q1), Pentair missed estimates on revenue and beat expectations on earnings per share.

Compared to the prior-year quarter, revenue expanded and GAAP earnings per share improved significantly.

Gross margin improved, operating margin shrank, and net margin expanded.

Revenue details
Pentair reported revenue of $858.2 million. The 14 analysts polled by S&P Capital IQ expected net sales of $899.3 million on the same basis. GAAP reported sales were 8.6% higher than the prior-year quarter's $790.3 million.

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

EPS details
Non-GAAP EPS came in at $0.64. The 17 earnings estimates compiled by S&P Capital IQ predicted $0.56 per share on the same basis. GAAP EPS of $0.61 for Q1 were 20% higher than the prior-year quarter's $0.51 per share.

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 32.7%, 120 basis points better than the prior-year quarter. Operating margin was 9.9%, 100 basis points worse than the prior-year quarter. Net margin was 7.1%, 70 basis points better than the prior-year quarter.

Looking ahead
Next quarter's average estimate for revenue is $979.7 million. On the bottom line, the average EPS estimate is $0.79.

Next year's average estimate for revenue is $3.73 billion. The average EPS estimate is $2.67.

Investor sentiment
The stock has a four-star rating (out of five) at Motley Fool CAPS, with 191 members out of 204 rating the stock outperform, and 13 members rating it underperform. Among 56 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 54 give Pentair a green thumbs-up, and two give it a red thumbs-down.

Of Wall Street recommendations tracked by S&P Capital IQ, the average opinion on Pentair is outperform, with an average price target of $47.19.

Seth Jayson had no position in any company mentioned here at the time of publication. You can view his stock holdings here. He is co-advisor of Motley Fool Hidden Gems, which provides new small-cap ideas every month, backed by a real-money portfolio. Try any of our Foolish newsletter services free for 30 days. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.