Rock-Tenn (NYSE: RKT) reported earnings on Aug. 2. Here are the numbers you need to know.

The 10-second takeaway
For the quarter ended June 30 (Q3), Rock-Tenn met expectations on revenues and missed estimates on earnings per share.

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

Gross margins contracted, operating margins shrank, and net margins grew.

Revenue details
Rock-Tenn logged revenue of $2.30 billion. The nine analysts polled by S&P Capital IQ anticipated revenue of $2.31 billion on the same basis. GAAP reported sales were 67% higher than the prior-year quarter's $1.38 billion.

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 $0.95. The 12 earnings estimates compiled by S&P Capital IQ anticipated $1.02 per share. GAAP EPS were $0.81 for Q3 versus -$0.60 per share for 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 15.6%, 380 basis points worse than the prior-year quarter. Operating margin was 5.7%, 320 basis points worse than the prior-year quarter. Net margin was 2.5%, 470 basis points better than the prior-year quarter.

Looking ahead
Next quarter's average estimate for revenue is $2.45 billion. On the bottom line, the average EPS estimate is $1.34.

Next year's average estimate for revenue is $9.30 billion. The average EPS estimate is $4.44.

Investor sentiment
The stock has a five-star rating (out of five) at Motley Fool CAPS, with 184 members out of 196 rating the stock outperform, and 12 members rating it underperform. Among 40 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 37 give Rock-Tenn a green thumbs-up, and three 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 $73.64.