Quanta Services (NYSE: PWR) reported earnings on Oct. 31. Here are the numbers you need to know.

The 10-second takeaway
For the quarter ended Sep. 30 (Q3), Quanta Services beat expectations on revenues and beat expectations on earnings per share.

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

Margins expanded across the board.

Revenue details
Quanta Services booked revenue of $1.69 billion. The 16 analysts polled by S&P Capital IQ predicted a top line of $1.64 billion on the same basis. GAAP reported sales were 35% higher than the prior-year quarter's $1.25 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 $0.42. The nine earnings estimates compiled by S&P Capital IQ predicted $0.37 per share. GAAP EPS of $0.45 for Q3 were 80% higher than the prior-year quarter's $0.25 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%, 100 basis points better than the prior-year quarter. Operating margin was 8.6%, 110 basis points better than the prior-year quarter. Net margin was 5.7%, 150 basis points better than the prior-year quarter.

Looking ahead
Next quarter's average estimate for revenue is $1.48 billion. On the bottom line, the average EPS estimate is $0.34.

Next year's average estimate for revenue is $6.07 billion. The average EPS estimate is $1.23.

Investor sentiment
The stock has a four-star rating (out of five) at Motley Fool CAPS, with 475 members out of 490 rating the stock outperform, and 15 members rating it underperform. Among 118 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 115 give Quanta Services 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 Quanta Services is outperform, with an average price target of $29.22.