It is common for people to try to stay up-to-date in their chosen profession. I.T. people study up on the latest technology, marketers keep up with the latest marketing techniques, etc. The most successful businesspeople go beyond their silo. They learn things unrelated to their work. By doing so, they take their abilities to a new level.
Taking knowledge from other fields and jobs allows you to innovate in your own. Knowing how other people in your organization work, allows you to make project transitions seamlessly. Knowing what challenges other people face can give you ideas on products or services to solve those problems.
Read up on history, programming, design, science, art, engineering, or any other topic that captures your imagination. You never know where your next big idea will come from.