The market for IDT Corporation's (NYSE:IDT) stock was strong after it released a healthy earnings report last week. However, we think that shareholders should be cautious as we found some worrying factors underlying the profit.

An Unusual Tax Situation

We can see that IDT received a tax benefit of US$6.4m. This is of course a bit out of the ordinary, given it is more common for companies to be paying tax than receiving tax benefits! We're sure the company was pleased with its tax benefit. However, our data indicates that tax benefits can temporarily boost statutory profit in the year it is booked, but subsequently profit may fall back. In the likely event the tax benefit is not repeated, we'd expect to see its statutory profit levels drop, at least in the absence of strong growth. While we think it's good that the company has booked a tax benefit, it does mean that there's every chance the statutory profit will come in a lot higher than it would be if the income was adjusted for one-off factors.

Note: we always recommend investors check balance sheet strength. Click here to be taken to our balance sheet analysis of IDT.

Our Take On IDT's Profit Performance

As we have already discussed IDT reported that it received a tax benefit, rather than paying tax, in the last year. Given that sort of benefit is not recurring, a focus on the statutory profit might make the company seem better than it really is. Because of this, we think that it may be that IDT's statutory profits are better than its underlying earnings power. The good news is that, its earnings per share increased by 61% in the last year. Of course, we've only just scratched the surface when it comes to analysing its earnings; one could also consider margins, forecast growth, and return on investment, among other factors. If you'd like to know more about IDT as a business, it's important to be aware of any risks it's facing. For example - IDT has 1 warning sign we think you should be aware of.

Today we've zoomed in on a single data point to better understand the nature of IDT's profit. But there is always more to discover if you are capable of focussing your mind on minutiae. Some people consider a high return on equity to be a good sign of a quality business. So you may wish to see this free collection of companies boasting high return on equity, or this list of stocks with high insider ownership.

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This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.