CBS (NYSE: CBS) reported earnings on May 1. Here are the numbers you need to know.

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

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

Margins grew across the board.

Revenue details
 CBS reported revenue of $4.04 billion. The 25 analysts polled by S&P Capital IQ foresaw revenue of $4.02 billion on the same basis. GAAP reported sales were 6.4% higher than the prior-year quarter's $3.80 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 $0.73. The 28 earnings estimates compiled by S&P Capital IQ predicted $0.67 per share. Non-GAAP EPS of $0.73 for Q1 were 38% higher than the prior-year quarter's $0.53 per share. (The prior-year quarter included -$0.05 per share in earnings from discontinued operations.) GAAP EPS of $0.70 for Q1 were 30% higher than the prior-year quarter's $0.54 per share. (The prior-year quarter included -$0.05 per share in earnings from discontinued operations.)

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 38.8%, 60 basis points better than the prior-year quarter. Operating margin was 19.8%, 170 basis points better than the prior-year quarter. Net margin was 11.0%, 140 basis points better than the prior-year quarter. (Margins calculated in GAAP terms.)

Looking ahead
 Next quarter's average estimate for revenue is $3.50 billion. On the bottom line, the average EPS estimate is $0.72.

Next year's average estimate for revenue is $14.93 billion. The average EPS estimate is $3.04.

Investor sentiment
 The stock has a three-star rating (out of five) at Motley Fool CAPS, with 344 members out of 426 rating the stock outperform, and 82 members rating it underperform. Among 155 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 139 give CBS a green thumbs-up, and 16 give it a red thumbs-down.

Of Wall Street recommendations tracked by S&P Capital IQ, the average opinion on CBS is outperform, with an average price target of $48.98.

Internet software and mass media are being consumed in radically different ways, on new and increasingly mobile devices. Is CBS on the right side of the revolution? Check out the changing landscape and meet the company that Motley Fool analysts expect to lead "The Next Trillion-dollar Revolution." Click here for instant access to this free report.