I'm trying to hide event details from public users but display them for registered users.

This includes things like the legend on the main calendar, the author of the event, the event category.

Is there a way to display these details for registered users but not for the public? I want them to be able to see that there is an event on the calendar (but hiding all the details about it if the event is not public). I'm using the Hidden Details plug-in, but I can't seem to hide the legend, hide the author, and hide other details for only Public users.

Thanks,
Adam