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

The 10-second takeaway
 For the quarter ended March 31 (Q1), Kirby beat expectations on revenues and beat expectations on earnings per share.

Compared to the prior-year quarter, revenue shrank slightly. Non-GAAP earnings per share grew. GAAP earnings per share expanded.

Margins grew across the board.

Revenue details
 Kirby notched revenue of $558.8 million. The 10 analysts polled by S&P Capital IQ hoped for a top line of $531.4 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 $1.05. The 12 earnings estimates compiled by S&P Capital IQ averaged $0.91 per share. Non-GAAP EPS of $1.05 for Q1 were 6.1% higher than the prior-year quarter's $0.99 per share. GAAP EPS of $1.00 for Q1 were 9.9% higher than the prior-year quarter's $0.91 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 33.9%, 170 basis points better than the prior-year quarter. Operating margin was 17.9%, 100 basis points better than the prior-year quarter. Net margin was 10.1%, 110 basis points better than the prior-year quarter. (Margins calculated in GAAP terms.)

Looking ahead
 Next quarter's average estimate for revenue is $555.7 million. On the bottom line, the average EPS estimate is $1.05.

Next year's average estimate for revenue is $2.23 billion. The average EPS estimate is $4.22.

Investor sentiment
 The stock has a five-star rating (out of five) at Motley Fool CAPS, with 183 members out of 192 rating the stock outperform, and nine members rating it underperform. Among 46 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 44 give Kirby 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 Kirby is outperform, with an average price target of $79.64.

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