FH-
On the 76C++, yes, the PCL's do need to come almost all the way back for idle. The engines govern on N1 (rather than N2) when you come out of fly. So, when you come back, you can slew the power back evenly.
BUT, given the lack of PCL friction in the C++ quadrant it is entirely feasible that anything that has enough energy to force the triggers over the little ramp and out of FLY, would knock them all the way back to idle.
BTW, the -76D will have low rotor warning, so I've heard.