Diamond Offshore Drilling (NYSE: DO) reported earnings on April 19. Here are the numbers you need to know.

The 10-second takeaway
For the quarter ended March 31 (Q1), Diamond Offshore Drilling beat expectations on revenue and crushed expectations on earnings per share.

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

Margins contracted across the board.

Revenue details
Diamond Offshore Drilling reported revenue of $768.6 million. The 19 analysts polled by S&P Capital IQ expected to see revenue of $751.3 million on the same basis. GAAP reported sales were 4.7% lower than the prior-year quarter's $806.4 million.

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 $1.33. The 26 earnings estimates compiled by S&P Capital IQ averaged $1 per share. GAAP EPS of $1.33 for Q1 were 26% lower than the prior-year quarter's $1.80 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 48.3%, 470 basis points worse than the prior-year quarter. Operating margin was 31.2%, 810 basis points worse than the prior-year quarter. Net margin was 24.1%, 700 basis points worse than the prior-year quarter.

Looking ahead
Next quarter's average estimate for revenue is $746.0 million. On the bottom line, the average EPS estimate is $0.96.

Next year's average estimate for revenue is $3.07 billion. The average EPS estimate is $4.18.

Investor sentiment
The stock has a four-star rating (out of five) at Motley Fool CAPS, with 1,968 members rating the stock outperform and 45 members rating it underperform. Among 456 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 441 give Diamond Offshore Drilling 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 Diamond Offshore Drilling is hold, with an average price target of $67.37.

Can your portfolio provide you with enough income to last through retirement? You'll need more than Diamond Offshore Drilling. Learn how to maximize your investment income and "Secure Your Future With 9 Rock-Solid Dividend Stocks." Click here for instant access to this free report.