Over the past couple of years, McDonald's took fast food rivals by surprise by expanding availability of its breakfast items to all day, which paid off with an earnings boost that extended into several quarters.

But the one time surge in revenue is just that, a one time boost.  Now, CEO Steve Easterbrook needs to find a new avenue for growth.  That could involve home delivery, for example.

Easterbrook told analysts in a conference call the food away from home market may present an opportunity.  He said the company is in very, very early stages of testing home delivery in Florida.

Although offering all day breakfast was a positive move, it has had some downsides.  Here's more from USA Today!