The PhD is a doctoral degree, specifically called a "doctor of philosophy" degree. This is misleading because PhD holders are not necessarily philosophers (unless they earned their degree in philosophy!). That said, PhD recipients are able to engage in thought experiments, reason about problems, and solve problems in sophisticated ways.
Australia has seven of the top 100 institution of higher learning in the world! Australia sits above the likes of Germany, the Netherlands and Japan, placing eighth in the Universitas 2012 U21 Ranking of National Higher Education Systems.
Top Doctoral Programs in Administration in Australia 2017
or search for similar programs here