Cintas (CTAS) has raised its profit forecast for fiscal 2027, and meeting it depends on its margins widening further. At 40.1 times earnings, against 22.1 for the S&P 500, the share price appears to assume the forecast holds. Cintas does not charge customers fuel surcharges, so how much higher fuel costs it can absorb is not settled yet.

How Much Margin Gain Is In Cintas’s Forecast?

Cintas now expects to keep 32% to 34% of each extra dollar of sales as operating profit in fiscal 2027. Its earlier forecast was 30% to 32%. Both ranges are well above Cintas’s 23% operating margin over the past twelve months. So its margins are set to widen again.

The same pattern appears in the profit forecast. Cintas raised its…