Howard Marks put it nicely when he said that, rather than worrying about share price volatility, 'The possibility of permanent loss is the risk I worry about... and every practical investor I know worries about.' So it might be obvious that you need to consider debt, when you think about how risky any given stock is, because too much debt can sink a company. We can see that KLA Corporation (NASDAQ:KLAC) does use debt in its business. But is this debt a concern to shareholders?

When Is Debt A Problem?

Debt and other liabilities become risky for a business when it cannot easily fulfill those obligations, either with free cash flow or by raising capital at an attractive price. In the worst case scenario, a company can go bankrupt if it cannot pay its creditors. However, a more common (but still painful) scenario is that it has to raise new equity capital at a low price, thus permanently diluting shareholders. Having said that, the most common situation is where a company manages its debt reasonably well - and to its own advantage. The first step when considering a company's debt levels is to consider its cash and debt together.

What Is KLA's Net Debt?

As you can see below, at the end of March 2024, KLA had US$6.63b of debt, up from US$5.89b a year ago. Click the image for more detail. However, it does have US$4.29b in cash offsetting this, leading to net debt of about US$2.33b.

How Healthy Is KLA's Balance Sheet?

Zooming in on the latest balance sheet data, we can see that KLA had liabilities of US$4.46b due within 12 months and liabilities of US$7.40b due beyond that. Offsetting these obligations, it had cash of US$4.29b as well as receivables valued at US$1.71b due within 12 months. So it has liabilities totalling US$5.86b more than its cash and near-term receivables, combined.

Since publicly traded KLA shares are worth a very impressive total of US$107.0b, it seems unlikely that this level of liabilities would be a major threat. Having said that, it's clear that we should continue to monitor its balance sheet, lest it change for the worse.

We use two main ratios to inform us about debt levels relative to earnings. The first is net debt divided by earnings before interest, tax, depreciation, and amortization (EBITDA), while the second is how many times its earnings before interest and tax (EBIT) covers its interest expense (or its interest cover, for short). Thus we consider debt relative to earnings both with and without depreciation and amortization expenses.

KLA has a low net debt to EBITDA ratio of only 0.60. And its EBIT easily covers its interest expense, being 15.3 times the size. So you could argue it is no more threatened by its debt than an elephant is by a mouse. On the other hand, KLA's EBIT dived 16%, over the last year. We think hat kind of performance, if repeated frequently, could well lead to difficulties for the stock. There's no doubt that we learn most about debt from the balance sheet. But it is future earnings, more than anything, that will determine KLA's ability to maintain a healthy balance sheet going forward. So if you want to see what the professionals think, you might find this free report on analyst profit forecasts to be interesting.

But our final consideration is also important, because a company cannot pay debt with paper profits; it needs cold hard cash. So we clearly need to look at whether that EBIT is leading to corresponding free cash flow. During the last three years, KLA generated free cash flow amounting to a very robust 81% of its EBIT, more than we'd expect. That puts it in a very strong position to pay down debt.

Our View

KLA's interest cover suggests it can handle its debt as easily as Cristiano Ronaldo could score a goal against an under 14's goalkeeper. But the stark truth is that we are concerned by its EBIT growth rate. Taking all this data into account, it seems to us that KLA takes a pretty sensible approach to debt. That means they are taking on a bit more risk, in the hope of boosting shareholder returns. When analysing debt levels, the balance sheet is the obvious place to start. But ultimately, every company can contain risks that exist outside of the balance sheet. To that end, you should be aware of the 1 warning sign we've spotted with KLA .

Of course, if you're the type of investor who prefers buying stocks without the burden of debt, then don't hesitate to discover our exclusive list of net cash growth stocks, today.

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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.