Preformed Line Products (Nasdaq: PLPC) reported earnings on May 7. Here are the numbers you need to know.

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

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

Gross margins shrank, operating margins were steady, net margins grew.

Revenue details
Preformed Line Products logged revenue of $108.8 million. The one analyst polled by S&P Capital IQ anticipated revenue of $107.0 million on the same basis. GAAP reported sales were 14% higher than the prior-year quarter's $95.1 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 $1.50. The one earnings estimate compiled by S&P Capital IQ predicted $1.37 per share. GAAP EPS of $1.50 for Q1 were 15% higher than the prior-year quarter's $1.30 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 33.1%, 140 basis points worse than the prior-year quarter. Operating margin was 11.1%, about the same as the prior-year quarter. Net margin was 7.5%, 10 basis points better than the prior-year quarter.

Looking ahead
Next quarter's average estimate for revenue is $107.6 million. On the bottom line, the average EPS estimate is $1.44.

Next year's average estimate for revenue is $432.3 million. The average EPS estimate is $5.62.

Investor sentiment
The stock has a five-star rating (out of five) at Motley Fool CAPS, with 279 members out of 284 rating the stock outperform, and five members rating it underperform. Among 75 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 74 give Preformed Line Products a green thumbs-up, and one give it a red thumbs-down.

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Seth Jayson had no position in any company mentioned here at the time of publication. You can view his stock holdings. He is the co-advisor of Motley Fool Hidden Gems, which provides new small-cap ideas every month, backed by a real-money portfolio. Try any of our Foolish newsletter services free for 30 days. We Fools don't all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.