I am not sure what the exact cause of the issue in your case is. Can you please elaborate a bit more on the term "fly out menu" and attach some screenshots to illustrate the abnormality? Thus I will do my best to advice you further.
the Telerik team
Do you want to have your say when we set our development plans? Do you want to know when a feature you care about is added or when a bug fixed? Explore the Telerik Public Issue Tracking
system and vote to affect the priority of the items.