@Doug – I cannot say if it's working for you, but there is a script for splitting a InDesign file (multi pages) to InDesign files (single pages) with a lot of options.
Author:
Hans Haesler
Script:
DokumentAufsplitten
UI: German
Made for: InDesign CS5
Mac version in sit archive:
Win version in zip archive:
I talked about it here:
Uwe