CarMax (NYSE: KMX) reported earnings on Dec. 21. Here are the numbers you need to know.

The 10-second takeaway
 For the quarter ending Nov. 30 (Q3), CarMax met expectations on revenue and missed on earnings per share.

Compared to the prior-year quarter, revenue expanded, and earnings per share were unchanged.

Margins contracted across the board.

Revenue details
 CarMax notched revenue of $2.3 billion. The 13 analysts polled by S&P Capital IQ foresaw revenue of $2.3 billion. Sales were 6.8% higher than the prior-year quarter's $2.1 billion.

Source: S&P Capital IQ. Quarterly periods. Dollar amounts in millions.

EPS details
 EPS came in at $0.36. The 15 earnings estimates compiled by S&P Capital IQ averaged $0.38 per share. GAAP EPS of $0.36 for Q3 were 0.3% higher than the prior-year quarter's $0.36 per share.

Source: S&P Capital IQ. Quarterly periods. Figures may be non-GAAP to maintain comparability with estimates.

Margin details
 For the quarter, gross margin was 15.7%, 60 basis points worse than the prior-year quarter. Operating margin was 5.7%, 50 basis points worse than the prior-year quarter. Net margin was 3.6%, 20 basis points worse than the prior-year quarter.

Source: S&P Capital IQ. Quarterly periods.

Looking ahead
 What does the future hold?

Next quarter's average estimate for revenue is $2.4 billion. On the bottom line, the average EPS estimate is $0.40.

Next year's average estimate for revenue is $9.9 billion. The average EPS estimate is $1.82.

Investor Sentiment
 The stock has a four-star rating (out of five) at Motley Fool CAPS, with 817 members out of 905 rating the stock outperform, and 88 members rating it underperform. Among 315 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 300 give CarMax a green thumbs-up, and 15 give it a red thumbs-down.

Of Wall Street recommendations tracked by S&P Capital IQ, the average opinion on CarMax is outperform, with an average price target of $35.30.