Rock-Tenn (NYSE: RKT) reported earnings on April 23. Here are the numbers you need to know.

The 10-second takeaway
 For the quarter ended March 31 (Q2), Rock-Tenn met expectations on revenues and beat expectations on earnings per share.

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

Margins grew across the board.

Revenue details
 Rock-Tenn logged revenue of $2.32 billion. The 11 analysts polled by S&P Capital IQ looked for a top line of $2.35 billion 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 $1.12. The 16 earnings estimates compiled by S&P Capital IQ predicted $1.05 per share. Non-GAAP EPS of $1.12 for Q2 were 15% higher than the prior-year quarter's $0.97 per share. GAAP EPS of $4.45 for Q2 were much higher than the prior-year quarter's $0.44 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 16.6%, 80 basis points better than the prior-year quarter. Operating margin was 6.4%, 70 basis points better than the prior-year quarter. Net margin was 14.0%, much better than the prior-year quarter. (Margins calculated in GAAP terms.)

Looking ahead
 Next quarter's average estimate for revenue is $2.45 billion. On the bottom line, the average EPS estimate is $1.68.

Next year's average estimate for revenue is $9.63 billion. The average EPS estimate is $6.34.

Investor sentiment
 The stock has a three-star rating (out of five) at Motley Fool CAPS, with 186 members out of 199 rating the stock outperform, and 13 members rating it underperform. Among 52 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 48 give Rock-Tenn a green thumbs-up, and four give it a red thumbs-down.

Of Wall Street recommendations tracked by S&P Capital IQ, the average opinion on Rock-Tenn is outperform, with an average price target of $98.04.

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