Given your brief sample, can we assume that there could be other currency names included along with Australian Dollars? If those are a known list, you could do the following.
Build your two row detail template so that SECR is your trap, and paint a single line on the next line, wide enough for all data in the customer grouping. On the Advanced tab, set the field to end on the end of left justification. Name this field Customer.
To this add a new Character calculated field, Currency, with this formula:
Instr("Some other currency",TextLine(Customer,1))>1 .Or.
Instr("Yet another currency name",TextLine(Customer,1))>1,
Now you need to isolate the real cusomter data from the currency detail which may or may not exist in the Customer field. Build a Customer Info field with this formula:
I will be out for much of the day today, but perhaps others can either add to this idea if necessary or provide something entirely different.