Nobody answered – so I’ll follow up with the answer myself.
I found:
“overflow: hidden;”
specified in the element containing the menu which was keeping the flyout from extending outside of the element. I changed it to:
“overflow: visible;”
and that fixed it.
BTW, to figure out where I needed to go in the CSS to fix the problem I installed the Firefox plugin “FireBug.” Just mouseover the affected menu and the CSS that formats that part of the page displays in the Firebug window.
