• Dover average operating margin for 2023 was 16.16%, a 2.21% decline from 2022.
• Dover average operating margin for 2022 was 15.81%, a 0.25% increase from 2021.
• Dover average operating margin for 2021 was 15.77%, a 11.69% increase from 2020.

Operating margin can be defined as operating margin measurement of what proportion of a company's revenue is left over after paying for variable costs of production such as wages, raw materials, etc.