The external fund manager backed by Berkshire Hathaway's Charlie Munger, Li Lu, makes no bones about it when he says 'The biggest investment risk is not the volatility of prices, but whether you will suffer a permanent loss of capital.' So it seems the smart money knows that debt - which is usually involved in bankruptcies - is a very important factor, when you assess how risky a company is. As with many other companies Perrigo Company plc (NYSE:PRGO) makes use of debt. But should shareholders be worried about its use of debt?

When Is Debt Dangerous?

Generally speaking, debt only becomes a real problem when a company can't easily pay it off, either by raising capital or with its own cash flow. 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. By replacing dilution, though, debt can be an extremely good tool for businesses that need capital to invest in growth at high rates of return. When we examine debt levels, we first consider both cash and debt levels, together.

What Is Perrigo's Net Debt?

The chart below, which you can click on for greater detail, shows that Perrigo had US$4.05b in debt in June 2024; about the same as the year before. On the flip side, it has US$542.8m in cash leading to net debt of about US$3.51b.

How Strong Is Perrigo's Balance Sheet?

We can see from the most recent balance sheet that Perrigo had liabilities of US$1.49b falling due within a year, and liabilities of US$4.36b due beyond that. Offsetting this, it had US$542.8m in cash and US$751.6m in receivables that were due within 12 months. So it has liabilities totalling US$4.56b more than its cash and near-term receivables, combined.

Given this deficit is actually higher than the company's market capitalization of US$3.50b, we think shareholders really should watch Perrigo's debt levels, like a parent watching their child ride a bike for the first time. Hypothetically, extremely heavy dilution would be required if the company were forced to pay down its liabilities by raising capital at the current share price.

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). This way, we consider both the absolute quantum of the debt, as well as the interest rates paid on it.

Perrigo shareholders face the double whammy of a high net debt to EBITDA ratio (6.4), and fairly weak interest coverage, since EBIT is just 1.0 times the interest expense. This means we'd consider it to have a heavy debt load. Worse, Perrigo's EBIT was down 20% over the last year. If earnings continue to follow that trajectory, paying off that debt load will be harder than convincing us to run a marathon in the rain. When analysing debt levels, the balance sheet is the obvious place to start. But ultimately the future profitability of the business will decide if Perrigo can strengthen its balance sheet over time. So if you're focused on the future you can check out this free report showing analyst profit forecasts.

Finally, a company can only pay off debt with cold hard cash, not accounting profits. So the logical step is to look at the proportion of that EBIT that is matched by actual free cash flow. Happily for any shareholders, Perrigo actually produced more free cash flow than EBIT over the last three years. That sort of strong cash conversion gets us as excited as the crowd when the beat drops at a Daft Punk concert.

Our View

On the face of it, Perrigo's interest cover left us tentative about the stock, and its EBIT growth rate was no more enticing than the one empty restaurant on the busiest night of the year. But at least it's pretty decent at converting EBIT to free cash flow; that's encouraging. We're quite clear that we consider Perrigo to be really rather risky, as a result of its balance sheet health. For this reason we're pretty cautious about the stock, and we think shareholders should keep a close eye on its liquidity. The balance sheet is clearly the area to focus on when you are analysing debt. But ultimately, every company can contain risks that exist outside of the balance sheet. Be aware that Perrigo is showing 2 warning signs in our investment analysis , you should know about...

If, after all that, you're more interested in a fast growing company with a rock-solid balance sheet, then check out our list of net cash growth stocks without delay.

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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.